diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 5cfa2940..96b3c5be 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -2,18 +2,26 @@ plugins {
     id("com.android.application")
     id("kotlin-android")
     id("kotlin-kapt")
+    id("androidx.navigation.safeargs.kotlin")
+    id("dagger.hilt.android.plugin")
 }
 
 android {
-    compileSdkVersion(ConfigData.compileSdkVersion)
-    buildToolsVersion(ConfigData.buildToolsVersion)
+    compileSdkVersion(30)
+    buildToolsVersion("30.0.3")
 
     defaultConfig {
         applicationId = "com.meloda.fast"
-        minSdkVersion(ConfigData.minSdkVersion)
-        targetSdkVersion(ConfigData.targetSdkVersion)
-        versionCode = ConfigData.versionCode
-        versionName = ConfigData.versionName
+        minSdkVersion(23)
+        targetSdkVersion(30)
+        versionCode = 1
+        versionName = "1.0"
+
+        javaCompileOptions {
+            annotationProcessorOptions {
+                arguments += mapOf("room.schemaLocation" to "$projectDir/schemas")
+            }
+        }
     }
 
     buildTypes {
@@ -43,53 +51,62 @@ android {
         dataBinding = true
         viewBinding = true
     }
+
 }
 
-java {
-    val kotlinSrcDir = "src/main/kotlin"
-    println(sourceSets.names)
-//    val mainJavaSourceSet: SourceDirectorySet = sourceSets.getByName("main").java
-//    mainJavaSourceSet.srcDir(kotlinSrcDir)
-//    println(mainJavaSourceSet.srcDirs)
+kapt {
+    correctErrorTypes = true
+
+    //use this shit if you don't want to have hilt errors
+    javacOptions {
+        option("-Adagger.hilt.android.internal.disableAndroidSuperclassValidation=true")
+    }
 }
 
-//java.sourceSets.create("src/main/kotlin")
-
-//sourceSets {
-//    main.java.srcDirs += "src/main/kotlin"
-//}
-
 dependencies {
-    implementation(Deps.kotlin)
+    implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.5.20")
 
-    coreLibraryDesugaring(Deps.desugaring)
+    coreLibraryDesugaring("com.android.tools:desugar_jdk_libs:1.1.5")
 
-    implementation(Deps.appCompat)
-    implementation(Deps.material)
-    implementation(Deps.core)
-    implementation(Deps.preferences)
-    implementation(Deps.swipeRefreshLayout)
-    implementation(Deps.recyclerView)
-    implementation(Deps.cardView)
-    implementation(Deps.fragment)
+    implementation("androidx.appcompat:appcompat:1.4.0-alpha03")
+    implementation("com.google.android.material:material:1.4.0")
+    implementation("androidx.core:core-ktx:1.7.0-alpha01")
+    implementation("androidx.preference:preference-ktx:1.1.1")
+    implementation("androidx.swiperefreshlayout:swiperefreshlayout:1.2.0-alpha01")
+    implementation("androidx.recyclerview:recyclerview:1.2.1")
+    implementation("androidx.cardview:cardview:1.0.0")
+    implementation("androidx.fragment:fragment-ktx:1.3.5")
 
-    implementation(Deps.coroutineCore)
-    implementation(Deps.coroutineAndroid)
+    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.5.1")
+    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.5.1")
 
-    implementation(Deps.roomRuntime)
-    kapt(Deps.roomCompiler)
+    implementation("androidx.room:room-runtime:2.3.0")
+    kapt("androidx.room:room-compiler:2.3.0")
+
+    implementation("androidx.navigation:navigation-fragment-ktx:2.3.5")
+    implementation("androidx.navigation:navigation-ui-ktx:2.3.5")
+
+    implementation("androidx.lifecycle:lifecycle-viewmodel-ktx:2.3.1")
+    implementation("androidx.lifecycle:lifecycle-livedata-ktx:2.3.1")
+    implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.3.1")
+    implementation("androidx.lifecycle:lifecycle-viewmodel-savedstate:2.3.1")
+    implementation("androidx.lifecycle:lifecycle-common-java8:2.3.1")
+
+    implementation("com.squareup.okhttp3:okhttp:5.0.0-alpha.2")
+    implementation("com.squareup.okhttp3:logging-interceptor:5.0.0-alpha.2")
+    implementation("com.squareup.retrofit2:retrofit:2.9.0")
+    implementation("com.squareup.retrofit2:converter-gson:2.9.0")
+
+    implementation("com.google.dagger:hilt-android:2.37")
+    kapt("com.google.dagger:hilt-android-compiler:2.37")
+    implementation("androidx.hilt:hilt-navigation-fragment:1.0.0")
 
-    implementation(Deps.gson)
-    implementation(Deps.jsoup)
-    implementation(Deps.acra)
     implementation("com.github.yogacp:android-viewbinding:1.0.2")
 
-    implementation("androidx.lifecycle:lifecycle-viewmodel-ktx:${Versions.lifecycle}")
-    implementation("androidx.lifecycle:lifecycle-livedata-ktx:${Versions.lifecycle}")
-    implementation("androidx.lifecycle:lifecycle-runtime-ktx:${Versions.lifecycle}")
-    implementation("androidx.lifecycle:lifecycle-viewmodel-savedstate:${Versions.lifecycle}")
-    implementation("androidx.lifecycle:lifecycle-common-java8:${Versions.lifecycle}")
+    implementation("io.coil-kt:coil:1.2.2")
+
+    implementation("com.google.code.gson:gson:2.8.7")
+    implementation("org.jsoup:jsoup:1.14.1")
+    implementation("ch.acra:acra:4.11.1")
 
-    implementation("com.squareup.retrofit2:retrofit:${Versions.retrofit}")
-    implementation("com.squareup.retrofit2:converter-gson:${Versions.retrofit}")
 }
\ No newline at end of file
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index b8451b8d..6842b223 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -2,6 +2,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.meloda.fast">
 
+    <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
 
     <application
diff --git a/app/src/main/java/com/meloda/fast/UserConfig.kt b/app/src/main/java/com/meloda/fast/UserConfig.kt
index 80aa623b..bfdab4a1 100644
--- a/app/src/main/java/com/meloda/fast/UserConfig.kt
+++ b/app/src/main/java/com/meloda/fast/UserConfig.kt
@@ -10,32 +10,26 @@ object UserConfig {
 
     const val API_ID = "6964679"
 
-    var token = ""
-    var userId = 0
+    var userId: Int = -1
+        get() = AppGlobal.preferences.getInt(USER_ID, -1)
+        set(value) {
+            field = value
+            AppGlobal.preferences.edit().putInt(USER_ID, value).apply()
+        }
 
-    fun save() {
-        AppGlobal.preferences.edit()
-            .putString(TOKEN, token)
-            .putInt(USER_ID, userId)
-            .apply()
-    }
-
-    fun restore() {
-        token = AppGlobal.preferences.getString(TOKEN, "") ?: ""
-        userId = AppGlobal.preferences.getInt(USER_ID, -1)
-    }
+    var accessToken: String = ""
+        get() = AppGlobal.preferences.getString(TOKEN, "") ?: ""
+        set(value) {
+            field = value
+            AppGlobal.preferences.edit().putString(TOKEN, value).apply()
+        }
 
     fun clear() {
-        token = ""
+        accessToken = ""
         userId = -1
-
-        AppGlobal.preferences.edit()
-            .remove(TOKEN)
-            .remove(USER_ID)
-            .apply()
     }
 
     fun isLoggedIn(): Boolean {
-        return userId > 0 && !TextUtils.isEmpty(token)
+        return userId > 0 && !TextUtils.isEmpty(accessToken)
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/meloda/fast/activity/MainActivity.kt b/app/src/main/java/com/meloda/fast/activity/MainActivity.kt
index 27a92332..360db60b 100644
--- a/app/src/main/java/com/meloda/fast/activity/MainActivity.kt
+++ b/app/src/main/java/com/meloda/fast/activity/MainActivity.kt
@@ -5,19 +5,15 @@ import android.viewbinding.library.activity.viewBinding
 import com.meloda.fast.R
 import com.meloda.fast.base.BaseActivity
 import com.meloda.fast.databinding.ActivityMainBinding
-import com.meloda.fast.fragment.LoginFragment
-
+import dagger.hilt.android.AndroidEntryPoint
 
+@AndroidEntryPoint
 class MainActivity : BaseActivity(R.layout.activity_main) {
 
     private val binding: ActivityMainBinding by viewBinding()
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-
-        supportFragmentManager.beginTransaction()
-            .replace(R.id.fragmentContainer, LoginFragment())
-            .commit()
     }
 
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/meloda/fast/api/Answer.kt b/app/src/main/java/com/meloda/fast/api/Answer.kt
new file mode 100644
index 00000000..f6fbffb5
--- /dev/null
+++ b/app/src/main/java/com/meloda/fast/api/Answer.kt
@@ -0,0 +1,6 @@
+package com.meloda.fast.api
+
+sealed class Answer<out R> {
+    data class Success<out T>(val data: T) : Answer<T>()
+    data class Error(val errorString: String) : Answer<Nothing>()
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/meloda/fast/api/Requests.kt b/app/src/main/java/com/meloda/fast/api/Requests.kt
new file mode 100644
index 00000000..2e7b6b8a
--- /dev/null
+++ b/app/src/main/java/com/meloda/fast/api/Requests.kt
@@ -0,0 +1,2 @@
+package com.meloda.fast.api
+
diff --git a/app/src/main/java/com/meloda/fast/api/VKAuth.kt b/app/src/main/java/com/meloda/fast/api/VKAuth.kt
index 1a78c006..2d4422dc 100644
--- a/app/src/main/java/com/meloda/fast/api/VKAuth.kt
+++ b/app/src/main/java/com/meloda/fast/api/VKAuth.kt
@@ -29,12 +29,12 @@ object VKAuth {
 
     fun getDirectAuthUrl(login: String, password: String, captcha: String = ""): String {
         return "https://oauth.vk.com/token?grant_type=password&" +
-                "client_id=6146827&" +
+                "client_id=${VKConstants.VK_APP_ID}&" +
                 "scope=$settings&" +
-                "client_secret=qVxWRF1CwHERuIrKBnqe&" +
+                "client_secret=${VKConstants.VK_APP_SECRET}&" +
                 "username=$login&" +
                 "password=$password" +
-                (if (captcha.isEmpty()) "" else "&$captcha") +
+                (if (captcha.isBlank()) "" else "&$captcha") +
                 "&v=${VKApi.API_VERSION}"
 //        return "https://oauth.vk.com/token?grant_type=password&" +
 //                "client_id=2274003&" +
@@ -61,20 +61,19 @@ object VKAuth {
                 "v=${URLEncoder.encode(VKApi.API_VERSION, "utf-8")}"
     }
 
-    @Throws(Exception::class)
-    fun parseRedirectUrl(url: String): Array<String> {
-        val accessToken = VKUtil.extractPattern(url, "access_token=(.*?)&")
-        val userId = VKUtil.extractPattern(url, "user_id=(\\d*)")
+    fun parseRedirectUrl(url: String): Pair<String, Int> {
+        val accessToken = VKUtil.extractPattern(url, "access_token=(.*?)&") ?: ""
+        val userId = VKUtil.extractPattern(url, "user_id=(\\d*)")?.toIntOrNull() ?: -1
 
         if (BuildConfig.DEBUG) {
             Log.i(TAG, "access_token=$accessToken")
             Log.i(TAG, "user_id=$userId")
         }
 
-        if (userId == null || userId.isEmpty() || accessToken == null || accessToken.isEmpty()) throw Exception(
-            "Failed to parse redirect url $url"
+        if (accessToken.isEmpty() || userId == -1) throw Exception(
+            "Failed to parse redirect url: $url"
         )
 
-        return arrayOf(accessToken, userId)
+        return accessToken to userId
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/meloda/fast/api/VKConstants.kt b/app/src/main/java/com/meloda/fast/api/VKConstants.kt
index 31a388a2..dd3bf81e 100644
--- a/app/src/main/java/com/meloda/fast/api/VKConstants.kt
+++ b/app/src/main/java/com/meloda/fast/api/VKConstants.kt
@@ -8,6 +8,12 @@ object VKConstants {
     const val USER_FIELDS =
         "photo_50,photo_100,photo_200,status,screen_name,online,online_mobile,last_seen,verified,sex"
 
+    const val VK_APP_ID = "2274003"
+    const val VK_APP_SECRET = "hHbZxrka2uZ6jB1inYsH"
+
+    const val VK_ME_ID = "6146827"
+    const val VK_ME_SECRET = "qVxWRF1CwHERuIrKBnqe"
+
     /*
 
     const val ACTION_CHAT_CREATE = "chat_create"
diff --git a/app/src/main/java/com/meloda/fast/api/VKRepo.kt b/app/src/main/java/com/meloda/fast/api/VKRepo.kt
new file mode 100644
index 00000000..168f4352
--- /dev/null
+++ b/app/src/main/java/com/meloda/fast/api/VKRepo.kt
@@ -0,0 +1,7 @@
+package com.meloda.fast.api
+
+interface VKRepo {
+
+
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/meloda/fast/base/BaseVMFragment.kt b/app/src/main/java/com/meloda/fast/base/BaseVMFragment.kt
new file mode 100644
index 00000000..108f7aee
--- /dev/null
+++ b/app/src/main/java/com/meloda/fast/base/BaseVMFragment.kt
@@ -0,0 +1,33 @@
+package com.meloda.fast.base
+
+import android.os.Bundle
+import android.view.View
+import androidx.annotation.LayoutRes
+import androidx.lifecycle.lifecycleScope
+import com.meloda.fast.base.viewmodel.BaseVM
+import com.meloda.fast.base.viewmodel.VKEvent
+import kotlinx.coroutines.flow.onEach
+import kotlinx.coroutines.flow.collect
+
+abstract class BaseVMFragment<VM : BaseVM> : BaseFragment {
+
+    constructor() : super()
+
+    constructor(@LayoutRes resId: Int) : super(resId)
+
+    protected abstract val viewModel: VM
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        viewLifecycleOwner.lifecycleScope.launchWhenStarted {
+            viewModel.tasksEvent.onEach { onEvent(it) }.collect()
+        }
+    }
+
+    protected open fun onEvent(event: VKEvent) {
+        when (event) {
+
+        }
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/meloda/fast/base/viewmodel/BaseVM.kt b/app/src/main/java/com/meloda/fast/base/viewmodel/BaseVM.kt
new file mode 100644
index 00000000..55e7a233
--- /dev/null
+++ b/app/src/main/java/com/meloda/fast/base/viewmodel/BaseVM.kt
@@ -0,0 +1,30 @@
+package com.meloda.fast.base.viewmodel
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.meloda.fast.api.Answer
+import kotlinx.coroutines.channels.Channel
+import kotlinx.coroutines.flow.receiveAsFlow
+import kotlinx.coroutines.launch
+
+abstract class BaseVM : ViewModel() {
+
+    protected val tasksEventChannel = Channel<VKEvent>()
+    val tasksEvent = tasksEventChannel.receiveAsFlow()
+
+    protected fun <T> makeJob(
+        job: suspend () -> Answer<T>,
+        onAnswer: suspend (T) -> Unit = {},
+        onStart: (suspend () -> Unit)? = null,
+        onEnd: (suspend () -> Unit)? = null,
+        onError: (suspend (String) -> Unit)? = null
+    ) = viewModelScope.launch {
+        onStart?.invoke()
+        when (val response = job()) {
+            is Answer.Success -> onAnswer(response.data)
+            is Answer.Error -> onError?.invoke(response.errorString) ?: tasksEventChannel.send(
+                ShowDialogInfoEvent(null, response.errorString)
+            )
+        }
+    }.also { it.invokeOnCompletion { viewModelScope.launch { onEnd?.invoke() } } }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/meloda/fast/base/viewmodel/Events.kt b/app/src/main/java/com/meloda/fast/base/viewmodel/Events.kt
new file mode 100644
index 00000000..a8b06a79
--- /dev/null
+++ b/app/src/main/java/com/meloda/fast/base/viewmodel/Events.kt
@@ -0,0 +1,8 @@
+package com.meloda.fast.base.viewmodel
+
+data class ShowDialogInfoEvent(
+    val title: String? = null,
+    val message: String,
+    val positiveBtn: String? = null,
+    val negativeBtn: String? = null
+) : VKEvent()
\ No newline at end of file
diff --git a/app/src/main/java/com/meloda/fast/base/viewmodel/VKEvent.kt b/app/src/main/java/com/meloda/fast/base/viewmodel/VKEvent.kt
new file mode 100644
index 00000000..34d800a9
--- /dev/null
+++ b/app/src/main/java/com/meloda/fast/base/viewmodel/VKEvent.kt
@@ -0,0 +1,3 @@
+package com.meloda.fast.base.viewmodel
+
+abstract class VKEvent
\ No newline at end of file
diff --git a/app/src/main/java/com/meloda/fast/common/AppGlobal.kt b/app/src/main/java/com/meloda/fast/common/AppGlobal.kt
index 9df02cae..053bfd5e 100644
--- a/app/src/main/java/com/meloda/fast/common/AppGlobal.kt
+++ b/app/src/main/java/com/meloda/fast/common/AppGlobal.kt
@@ -11,9 +11,9 @@ import androidx.core.content.pm.PackageInfoCompat
 import androidx.preference.PreferenceManager
 import com.meloda.fast.BuildConfig
 import com.meloda.fast.R
-import com.meloda.fast.UserConfig
 import com.meloda.fast.database.DatabaseHelper
 import com.meloda.fast.util.AndroidUtils
+import dagger.hilt.android.HiltAndroidApp
 import org.acra.ACRA
 import org.acra.ReportingInteractionMode
 import org.acra.annotation.ReportsCrashes
@@ -29,6 +29,7 @@ import java.util.*
     resDialogPositiveButtonText = R.string.send_crash_report,
     resDialogNegativeButtonText = R.string.ok
 )
+@HiltAndroidApp
 class AppGlobal : Application() {
 
     companion object {
@@ -81,8 +82,6 @@ class AppGlobal : Application() {
 
         screenWidth = AndroidUtils.getDisplayWidth()
         screenHeight = AndroidUtils.getDisplayHeight()
-
-        UserConfig.restore()
     }
 
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/meloda/fast/extensions/NavigationExtensions.kt b/app/src/main/java/com/meloda/fast/extensions/NavigationExtensions.kt
new file mode 100644
index 00000000..85b33033
--- /dev/null
+++ b/app/src/main/java/com/meloda/fast/extensions/NavigationExtensions.kt
@@ -0,0 +1,261 @@
+package com.meloda.fast.extensions
+
+import android.content.Intent
+import android.util.SparseArray
+import androidx.core.util.forEach
+import androidx.core.util.set
+import androidx.fragment.app.FragmentManager
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
+import androidx.navigation.NavController
+import androidx.navigation.fragment.NavHostFragment
+import com.google.android.material.bottomnavigation.BottomNavigationView
+import com.meloda.fast.R
+
+/**
+ * Manages the various graphs needed for a [BottomNavigationView].
+ *
+ * This sample is a workaround until the Navigation Component supports multiple back stacks.
+ */
+object NavigationExtensions {
+
+    fun BottomNavigationView.setupWithNavController(
+        navGraphIds: List<Int>,
+        fragmentManager: FragmentManager,
+//    dataManager: DataManager,
+        containerId: Int,
+        intent: Intent
+    ): LiveData<NavController> {
+
+        // Map of tags
+        val graphIdToTagMap = SparseArray<String>()
+        // Result. Mutable live data with the selected controlled
+        val selectedNavController = MutableLiveData<NavController>()
+
+        var firstFragmentGraphId = 0
+
+        // First create a NavHostFragment for each NavGraph ID
+        navGraphIds.forEachIndexed { index, navGraphId ->
+            val fragmentTag = getFragmentTag(index)
+
+            // Find or create the Navigation host fragment
+            val navHostFragment = obtainNavHostFragment(
+                fragmentManager,
+                fragmentTag,
+                navGraphId,
+                containerId
+            )
+
+            // Obtain its id
+            val graphId = navHostFragment.navController.graph.id
+
+            if (index == 0) {
+                firstFragmentGraphId = graphId
+            }
+
+            // Save to the map
+            graphIdToTagMap[graphId] = fragmentTag
+
+            // Attach or detach nav host fragment depending on whether it's the selected item.
+            if (this.selectedItemId == graphId) {
+                // Update livedata with the selected graph
+                selectedNavController.value = navHostFragment.navController
+                attachNavHostFragment(fragmentManager, navHostFragment, index == 0)
+            } else {
+                detachNavHostFragment(fragmentManager, navHostFragment)
+            }
+        }
+
+        // Now connect selecting an item with swapping Fragments
+        var selectedItemTag = graphIdToTagMap[this.selectedItemId]
+        val firstFragmentTag = graphIdToTagMap[firstFragmentGraphId]
+        var isOnFirstFragment = selectedItemTag == firstFragmentTag
+
+        // When a navigation item is selected
+        setOnNavigationItemSelectedListener { item ->
+            // Don't do anything if the state is state has already been saved.
+            if (fragmentManager.isStateSaved) {
+                false
+            } else {
+                val navController =
+                    (fragmentManager.findFragmentByTag(selectedItemTag) as NavHostFragment).navController
+                navController.popBackStack(navController.graph.startDestination, false)
+                if (selectedItemTag != graphIdToTagMap[item.itemId]) {
+//                val listCheck = listOf(R.id.contacts, R.id.chats)
+                    val newlySelectedItemTag =
+                        //if (listCheck.contains(item.itemId) && dataManager.token.isBlank()) graphIdToTagMap[R.id.signIn] else
+                        graphIdToTagMap[item.itemId]
+
+                    // Pop everything above the first fragment (the "fixed start destination")
+                    fragmentManager.popBackStack(
+                        firstFragmentTag,
+                        FragmentManager.POP_BACK_STACK_INCLUSIVE
+                    )
+                    val selectedFragment =
+                        fragmentManager.findFragmentByTag(newlySelectedItemTag) as NavHostFragment
+
+                    // Exclude the first fragment tag because it's always in the back stack.
+                    if (firstFragmentTag != newlySelectedItemTag) {
+                        // Commit a transaction that cleans the back stack and adds the first fragment
+                        // to it, creating the fixed started destination.
+                        fragmentManager.beginTransaction()
+                            .setCustomAnimations(
+                                R.anim.nav_default_enter_anim,
+                                R.anim.nav_default_exit_anim,
+                                R.anim.nav_default_pop_enter_anim,
+                                R.anim.nav_default_pop_exit_anim
+                            )
+                            .attach(selectedFragment)
+                            .setPrimaryNavigationFragment(selectedFragment)
+                            .apply {
+                                // Detach all other Fragments
+                                graphIdToTagMap.forEach { _, fragmentTagIter ->
+                                    if (fragmentTagIter != newlySelectedItemTag) {
+                                        detach(fragmentManager.findFragmentByTag(firstFragmentTag)!!)
+                                    }
+                                }
+                            }
+                            .addToBackStack(firstFragmentTag)
+                            .setReorderingAllowed(true)
+                            .commit()
+                    }
+                    selectedItemTag = newlySelectedItemTag
+                    isOnFirstFragment = selectedItemTag == firstFragmentTag
+                    selectedNavController.value = selectedFragment.navController
+                    true
+                } else {
+                    false
+                }
+            }
+        }
+        setOnNavigationItemReselectedListener { item ->
+            val newlySelectedItemTag = graphIdToTagMap[item.itemId]
+            val selectedFragment =
+                fragmentManager.findFragmentByTag(newlySelectedItemTag) as NavHostFragment
+            val navController = selectedFragment.navController
+            // Pop the back stack to the start destination of the current navController graph
+            if (selectedItemTag != graphIdToTagMap[item.itemId]) {
+                fragmentManager.beginTransaction()
+                    .setCustomAnimations(
+                        R.anim.nav_default_enter_anim,
+                        R.anim.nav_default_exit_anim,
+                        R.anim.nav_default_pop_enter_anim,
+                        R.anim.nav_default_pop_exit_anim
+                    )
+                    .attach(selectedFragment)
+                    .setPrimaryNavigationFragment(selectedFragment)
+                    .apply {
+                        // Detach all other Fragments
+                        graphIdToTagMap.forEach { _, fragmentTagIter ->
+                            if (fragmentTagIter != newlySelectedItemTag) {
+                                detach(fragmentManager.findFragmentByTag(firstFragmentTag)!!)
+                            }
+                        }
+                    }
+                    .addToBackStack(firstFragmentTag)
+                    .setReorderingAllowed(true)
+                    .commit()
+                selectedItemTag = newlySelectedItemTag
+                isOnFirstFragment = selectedItemTag == firstFragmentTag
+                selectedNavController.value = selectedFragment.navController
+            } else navController.popBackStack(navController.graph.startDestination, false)
+        }
+        // Optional: on item reselected, pop back stack to the destination of the graph
+        setupDeepLinks(navGraphIds, fragmentManager, containerId, intent)
+
+        // Finally, ensure that we update our BottomNavigationView when the back stack changes
+        fragmentManager.addOnBackStackChangedListener {
+            if (!isOnFirstFragment && !fragmentManager.isOnBackStack(firstFragmentTag)) {
+                this.selectedItemId = firstFragmentGraphId
+            }
+
+            // Reset the graph if the currentDestination is not valid (happens when the back
+            // stack is popped after using the back button).
+            selectedNavController.value?.let { controller ->
+                if (controller.currentDestination == null) {
+                    controller.navigate(controller.graph.id)
+                }
+            }
+        }
+        return selectedNavController
+    }
+
+    private fun BottomNavigationView.setupDeepLinks(
+        navGraphIds: List<Int>,
+        fragmentManager: FragmentManager,
+        containerId: Int,
+        intent: Intent
+    ) {
+        navGraphIds.forEachIndexed { index, navGraphId ->
+            val fragmentTag = getFragmentTag(index)
+
+            // Find or create the Navigation host fragment
+            val navHostFragment = obtainNavHostFragment(
+                fragmentManager,
+                fragmentTag,
+                navGraphId,
+                containerId
+            )
+            // Handle Intent
+            if (navHostFragment.navController.handleDeepLink(intent) &&
+                selectedItemId != navHostFragment.navController.graph.id
+            ) {
+                this.selectedItemId = navHostFragment.navController.graph.id
+            }
+        }
+    }
+
+    private fun detachNavHostFragment(
+        fragmentManager: FragmentManager,
+        navHostFragment: NavHostFragment
+    ) {
+        fragmentManager.beginTransaction()
+            .detach(navHostFragment)
+            .commitNow()
+    }
+
+    private fun attachNavHostFragment(
+        fragmentManager: FragmentManager,
+        navHostFragment: NavHostFragment,
+        isPrimaryNavFragment: Boolean
+    ) {
+        fragmentManager.beginTransaction()
+            .attach(navHostFragment)
+            .apply {
+                if (isPrimaryNavFragment) {
+                    setPrimaryNavigationFragment(navHostFragment)
+                }
+            }
+            .commitNow()
+    }
+
+    private fun obtainNavHostFragment(
+        fragmentManager: FragmentManager,
+        fragmentTag: String,
+        navGraphId: Int,
+        containerId: Int,
+    ): NavHostFragment {
+        // If the Nav Host fragment exists, return it
+        val existingFragment = fragmentManager.findFragmentByTag(fragmentTag) as NavHostFragment?
+        existingFragment?.let { return it }
+
+        // Otherwise, create it and return it.
+        val navHostFragment = NavHostFragment.create(navGraphId)
+        fragmentManager.beginTransaction()
+            .add(containerId, navHostFragment, fragmentTag)
+            .commitNow()
+        return navHostFragment
+    }
+
+    private fun FragmentManager.isOnBackStack(backStackName: String): Boolean {
+        val backStackCount = backStackEntryCount
+        for (index in 0 until backStackCount) {
+            if (getBackStackEntryAt(index).name == backStackName) {
+                return true
+            }
+        }
+        return false
+    }
+
+    private fun getFragmentTag(index: Int) = "bottomNavigation#$index"
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/meloda/fast/fragment/LoginFragment.kt b/app/src/main/java/com/meloda/fast/fragment/LoginFragment.kt
deleted file mode 100644
index 25e5d03f..00000000
--- a/app/src/main/java/com/meloda/fast/fragment/LoginFragment.kt
+++ /dev/null
@@ -1,22 +0,0 @@
-package com.meloda.fast.fragment
-
-import android.os.Bundle
-import android.view.View
-import android.viewbinding.library.fragment.viewBinding
-import com.meloda.fast.R
-import com.meloda.fast.base.BaseFragment
-import com.meloda.fast.databinding.FragmentLoginBinding
-
-class LoginFragment : BaseFragment(R.layout.fragment_login) {
-
-    private val binding: FragmentLoginBinding by viewBinding()
-
-    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
-        super.onViewCreated(view, savedInstanceState)
-
-
-    }
-
-
-
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/meloda/fast/fragment/login/LoginFragment.kt b/app/src/main/java/com/meloda/fast/fragment/login/LoginFragment.kt
new file mode 100644
index 00000000..2ccd8b43
--- /dev/null
+++ b/app/src/main/java/com/meloda/fast/fragment/login/LoginFragment.kt
@@ -0,0 +1,220 @@
+package com.meloda.fast.fragment.login
+
+import android.os.Bundle
+import android.view.Gravity
+import android.view.KeyEvent
+import android.view.View
+import android.view.ViewGroup
+import android.view.inputmethod.EditorInfo
+import android.viewbinding.library.fragment.viewBinding
+import android.widget.LinearLayout
+import androidx.appcompat.app.AlertDialog
+import androidx.core.os.bundleOf
+import androidx.core.widget.addTextChangedListener
+import androidx.fragment.app.setFragmentResultListener
+import androidx.fragment.app.viewModels
+import androidx.lifecycle.lifecycleScope
+import androidx.navigation.fragment.findNavController
+import coil.load
+import com.google.android.material.imageview.ShapeableImageView
+import com.google.android.material.textfield.TextInputEditText
+import com.google.android.material.textfield.TextInputLayout
+import com.meloda.fast.R
+import com.meloda.fast.base.BaseVMFragment
+import com.meloda.fast.base.viewmodel.VKEvent
+import com.meloda.fast.databinding.FragmentLoginBinding
+import com.meloda.fast.util.KeyboardUtils
+import dagger.hilt.android.AndroidEntryPoint
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import java.util.*
+import kotlin.concurrent.schedule
+import kotlin.math.roundToInt
+
+@AndroidEntryPoint
+class LoginFragment : BaseVMFragment<LoginVM>(R.layout.fragment_login) {
+
+    override val viewModel: LoginVM by viewModels()
+    private val binding: FragmentLoginBinding by viewBinding()
+
+    private var lastEmail: String = ""
+    private var lastPassword: String = ""
+
+    private var errorTimer: Timer? = null
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        viewModel.checkUserSession()
+
+        prepareViews()
+
+        setFragmentResultListener("validation") { _, bundle ->
+            lifecycleScope.launch { viewModel.getValidatedData(bundle) }
+        }
+
+        binding.loginInput.setText("danil_nikolaev_02@mail.ru")
+        binding.passwordInput.setText("iwanttofuck24")
+    }
+
+    override fun onEvent(event: VKEvent) {
+        super.onEvent(event)
+
+        when (event) {
+            is ShowCaptchaDialog -> showCaptchaDialog(event.captchaImage, event.captchaSid)
+            is GoToValidationEvent -> goToValidation(event.redirectUrl)
+            GoToMainEvent -> goToMain()
+        }
+    }
+
+    private fun prepareViews() {
+        prepareEmailEditText()
+        preparePasswordEditText()
+        prepareAuthButton()
+    }
+
+    private fun prepareEmailEditText() {
+        binding.loginInput.addTextChangedListener {
+            if (!binding.loginLayout.error.isNullOrBlank()) binding.loginLayout.error = ""
+        }
+    }
+
+    private fun preparePasswordEditText() {
+        binding.passwordLayout.endIconMode = TextInputLayout.END_ICON_NONE
+
+        binding.passwordInput.addTextChangedListener {
+            if (!binding.passwordLayout.error.isNullOrBlank()) binding.passwordLayout.error = ""
+        }
+
+        binding.passwordInput.setOnFocusChangeListener { _, hasFocus ->
+            binding.passwordLayout.endIconMode =
+                if (hasFocus) TextInputLayout.END_ICON_PASSWORD_TOGGLE
+                else TextInputLayout.END_ICON_NONE
+        }
+
+        binding.passwordInput.setOnEditorActionListener { _, _, event ->
+            if (event == null) return@setOnEditorActionListener false
+            return@setOnEditorActionListener if (event.action == EditorInfo.IME_ACTION_GO ||
+                (event.action == KeyEvent.ACTION_DOWN && (event.keyCode == KeyEvent.KEYCODE_ENTER || event.keyCode == KeyEvent.KEYCODE_NUMPAD_ENTER))
+            ) {
+                KeyboardUtils.hideKeyboardFrom(binding.passwordInput)
+                binding.authorize.performClick()
+                true
+            } else false
+        }
+    }
+
+    private fun prepareAuthButton() {
+        binding.authorize.setOnClickListener {
+            val loginString = binding.loginInput.text.toString().trim()
+            val passwordString = binding.passwordInput.text.toString().trim()
+
+            if (!validateInputData(loginString, passwordString)) return@setOnClickListener
+
+            viewModel.login(requireContext(), loginString, passwordString)
+            KeyboardUtils.hideKeyboardFrom(it)
+        }
+    }
+
+    private fun validateInputData(loginString: String, passwordString: String): Boolean {
+        var isValidated = true
+
+        if (loginString.isEmpty()) {
+            isValidated = false
+            setError("Input login", binding.loginLayout)
+        }
+
+        if (passwordString.isEmpty()) {
+            isValidated = false
+            setError("Input password", binding.passwordLayout)
+        }
+
+        return isValidated
+    }
+
+    private fun setError(error: String, inputLayout: TextInputLayout) {
+        inputLayout.error = error
+
+        if (errorTimer != null) {
+            errorTimer?.cancel()
+            errorTimer = null
+        }
+
+        if (errorTimer == null) {
+            errorTimer = Timer()
+        }
+
+        errorTimer?.schedule(2500) {
+            lifecycleScope.launch(Dispatchers.Main) { clearErrors() }
+        }
+    }
+
+    private fun clearErrors() {
+        binding.loginLayout.error = ""
+        binding.passwordLayout.error = ""
+    }
+
+    // TODO: 7/10/2021 extract layout to resources
+    private fun showCaptchaDialog(captchaImage: String, captchaSid: String) {
+        val metrics = resources.displayMetrics
+
+        val width = (metrics.widthPixels / 3.5).roundToInt()
+        val height = metrics.heightPixels / 7
+
+        val image = ShapeableImageView(requireContext()).also {
+            it.layoutParams = ViewGroup.LayoutParams(width, height)
+        }
+
+        val shapeModel = image.shapeAppearanceModel
+        image.shapeAppearanceModel = shapeModel.withCornerSize { 12f }
+
+        image.load(captchaImage) { crossfade(100) }
+
+        val captchaCodeEditText = TextInputEditText(requireContext())
+        captchaCodeEditText.setHint(R.string.captcha_hint)
+
+        captchaCodeEditText.layoutParams =
+            LinearLayout.LayoutParams(
+                ViewGroup.LayoutParams.MATCH_PARENT,
+                ViewGroup.LayoutParams.WRAP_CONTENT
+            )
+
+        val builder = AlertDialog.Builder(requireContext())
+
+        val layout = LinearLayout(requireContext())
+
+        layout.orientation = LinearLayout.VERTICAL
+        layout.gravity = Gravity.CENTER
+        layout.addView(image)
+        layout.addView(captchaCodeEditText)
+
+        builder.setView(layout)
+        builder.setNegativeButton(android.R.string.cancel, null)
+        builder.setPositiveButton(android.R.string.ok) { _, _ ->
+            val captchaCode = captchaCodeEditText.text.toString().trim()
+
+            viewModel.login(
+                requireContext(),
+                lastEmail,
+                lastPassword,
+                "&captcha_sid=$captchaSid&captcha_key=$captchaCode"
+            )
+        }
+
+        builder.setTitle(R.string.input_captcha)
+        builder.show()
+
+    }
+
+    private fun goToValidation(redirectUrl: String) {
+        findNavController().navigate(
+            R.id.toValidation,
+            bundleOf("redirectUrl" to redirectUrl)
+        )
+    }
+
+    private fun goToMain() {
+        findNavController().navigate(R.id.toMain)
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/meloda/fast/fragment/login/LoginVM.kt b/app/src/main/java/com/meloda/fast/fragment/login/LoginVM.kt
new file mode 100644
index 00000000..dfeb3a24
--- /dev/null
+++ b/app/src/main/java/com/meloda/fast/fragment/login/LoginVM.kt
@@ -0,0 +1,161 @@
+package com.meloda.fast.fragment.login
+
+import android.annotation.SuppressLint
+import android.content.Context
+import android.os.Bundle
+import android.view.ViewGroup
+import android.webkit.CookieManager
+import android.webkit.JavascriptInterface
+import android.webkit.WebView
+import android.webkit.WebViewClient
+import androidx.lifecycle.viewModelScope
+import com.meloda.fast.UserConfig
+import com.meloda.fast.api.VKAuth
+import com.meloda.fast.base.viewmodel.BaseVM
+import com.meloda.fast.base.viewmodel.VKEvent
+import kotlinx.coroutines.launch
+import org.json.JSONObject
+import org.jsoup.Jsoup
+
+class LoginVM : BaseVM() {
+
+    fun login(
+        context: Context,
+        email: String,
+        password: String,
+        captcha: String = ""
+    ) {
+        val urlToGo = VKAuth.getDirectAuthUrl(email, password, captcha)
+
+//        val builder = AlertDialog.Builder(context)
+
+        val webView = createWebView(context)
+        webView.layoutParams = ViewGroup.LayoutParams(
+            ViewGroup.LayoutParams.MATCH_PARENT,
+            ViewGroup.LayoutParams.WRAP_CONTENT
+        )
+
+//        builder.setTitle("Auth")
+//        builder.setView(webView)
+//        builder.show()
+
+        webView.addJavascriptInterface(WebViewHandlerInterface(), "HtmlHandler")
+        webView.webViewClient = object : WebViewClient() {
+            override fun onPageFinished(view: WebView?, url: String?) {
+                webView.loadUrl(
+                    "javascript:window.HtmlHandler.handleHtml" +
+                            "('<html>'+document.getElementsByTagName('html')[0].innerHTML+'</html>');"
+                )
+            }
+        }
+
+        webView.loadUrl(urlToGo)
+    }
+
+    @SuppressLint("SetJavaScriptEnabled")
+    private fun createWebView(context: Context): WebView {
+        val loginWebView = WebView(context)
+
+        loginWebView.settings.javaScriptEnabled = true
+        loginWebView.settings.domStorageEnabled = true
+        loginWebView.settings.loadsImagesAutomatically = false
+        loginWebView.settings.userAgentString = "Chrome/41.0.2228.0 Safari/537.36"
+
+        loginWebView.clearCache(true)
+
+        val cookieManager = CookieManager.getInstance()
+        cookieManager.removeAllCookies(null)
+        cookieManager.flush()
+        cookieManager.setAcceptCookie(false)
+
+        return loginWebView
+    }
+
+    @Suppress("MoveVariableDeclarationIntoWhen")
+    private fun checkResponse(response: JSONObject) {
+        viewModelScope.launch {
+            if (response.has("error")) {
+                val errorString = response.optString("error")
+
+                when (errorString) {
+                    "need_validation" -> {
+                        val redirectUrl = response.optString("redirect_uri")
+
+                        tasksEventChannel.send(GoToValidationEvent(redirectUrl))
+
+//                    val bundle = Bundle()
+//                    bundle.putString("url", redirectUrl)
+
+                        /* fragment.setFragmentResultListener("validation") { _, bundle ->
+                             val userId = bundle.getInt("userId")
+                             val token = bundle.getString("token") ?: ""
+                             saveUserData(userId, token)
+
+                             openMainScreen()
+                         }
+
+
+                         fragment.parentFragmentManager.beginTransaction()
+                             .replace(
+                                 R.id.fragmentContainer,
+                                 ValidationFragment().apply { arguments = bundle })
+                             .addToBackStack("")
+                             .commit()*/
+
+                    }
+                    "need_captcha" -> {
+                        val captchaImage = response.optString("captcha_img")
+                        val captchaSid = response.optString("captcha_sid")
+
+                        tasksEventChannel.send(ShowCaptchaDialog(captchaImage, captchaSid))
+//                    showCaptchaDialog(captchaImage, captchaSid)
+                    }
+                }
+            } else {
+                val userId = response.optInt("user_id", -1)
+                val accessToken = response.optString("access_token")
+
+                UserConfig.accessToken = accessToken
+                UserConfig.userId = userId
+
+                tasksEventChannel.send(GoToMainEvent)
+
+//            openMainScreen()
+
+//            onResponseListener?.onResponse(null)
+            }
+        }
+    }
+
+    suspend fun getValidatedData(bundle: Bundle) {
+        val accessToken = bundle.getString("token") ?: ""
+        val userId = bundle.getInt("userId")
+
+        UserConfig.accessToken = accessToken
+        UserConfig.userId = userId
+
+        tasksEventChannel.send(GoToMainEvent)
+    }
+
+    fun checkUserSession() = viewModelScope.launch {
+        if (UserConfig.isLoggedIn()) tasksEventChannel.send(GoToMainEvent)
+    }
+
+    inner class WebViewHandlerInterface {
+        @JavascriptInterface
+        fun handleHtml(html: String) {
+            val doc = Jsoup.parse(html)
+
+            val responseString =
+                doc.select("pre[style=\"word-wrap: break-word; white-space: pre-wrap;\"]").first()
+                    ?.text() ?: ""
+
+            checkResponse(JSONObject(responseString))
+        }
+    }
+
+}
+
+data class ShowCaptchaDialog(val captchaImage: String, val captchaSid: String) : VKEvent()
+data class GoToValidationEvent(val redirectUrl: String) : VKEvent()
+object GoToMainEvent : VKEvent()
\ No newline at end of file
diff --git a/app/src/main/java/com/meloda/fast/fragment/login/ValidationFragment.kt b/app/src/main/java/com/meloda/fast/fragment/login/ValidationFragment.kt
new file mode 100644
index 00000000..4dedd559
--- /dev/null
+++ b/app/src/main/java/com/meloda/fast/fragment/login/ValidationFragment.kt
@@ -0,0 +1,75 @@
+package com.meloda.fast.fragment.login
+
+import android.graphics.Bitmap
+import android.os.Bundle
+import android.util.Log
+import android.view.View
+import android.view.ViewGroup
+import android.viewbinding.library.fragment.viewBinding
+import android.webkit.CookieManager
+import android.webkit.WebView
+import android.webkit.WebViewClient
+import androidx.core.os.bundleOf
+import androidx.navigation.fragment.findNavController
+import com.meloda.fast.R
+import com.meloda.fast.api.VKAuth
+import com.meloda.fast.base.BaseFragment
+import com.meloda.fast.databinding.FragmentValidationBinding
+
+class ValidationFragment : BaseFragment(R.layout.fragment_validation) {
+
+    private val binding: FragmentValidationBinding by viewBinding()
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        val redirectUrl = getRedirectUrl()
+
+        binding.webView.webViewClient = object : WebViewClient() {
+            override fun onPageStarted(view: WebView?, url: String?, favicon: Bitmap?) {
+                Log.d("Fast::Validation", "onPageStarted: url: $url")
+                parseUrl(url ?: "")
+            }
+        }
+
+        binding.webView.settings.domStorageEnabled = true
+        binding.webView.clearCache(true)
+        binding.webView.layoutParams = ViewGroup.LayoutParams(
+            ViewGroup.LayoutParams.MATCH_PARENT,
+            ViewGroup.LayoutParams.MATCH_PARENT
+        )
+
+        val manager = CookieManager.getInstance()
+        manager.removeAllCookies(null)
+        manager.flush()
+        manager.setAcceptCookie(true)
+
+        binding.webView.loadUrl(redirectUrl)
+    }
+
+    private fun getRedirectUrl() = requireArguments().getString("redirectUrl", "")
+
+    private fun parseUrl(url: String) {
+        if (url.startsWith("https://oauth.vk.com/blank.html#success=1")) {
+            if (!url.contains("error=")) {
+                val data = VKAuth.parseRedirectUrl(url)
+
+                val accessToken = data.first
+                val userId = data.second
+
+                parentFragmentManager.setFragmentResult(
+                    "validation",
+                    bundleOf(
+                        "accessToken" to accessToken,
+                        "userId" to userId
+                    )
+                )
+
+                findNavController().navigate(R.id.toLogin)
+            }
+        } else {
+            Log.d("Fast::Validation", "parseUrl: $url")
+        }
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/meloda/fast/fragment/main/MainFragment.kt b/app/src/main/java/com/meloda/fast/fragment/main/MainFragment.kt
new file mode 100644
index 00000000..cff043a7
--- /dev/null
+++ b/app/src/main/java/com/meloda/fast/fragment/main/MainFragment.kt
@@ -0,0 +1,38 @@
+package com.meloda.fast.fragment.main
+
+import android.os.Bundle
+import android.view.View
+import android.viewbinding.library.fragment.viewBinding
+import androidx.fragment.app.viewModels
+import com.meloda.fast.R
+import com.meloda.fast.base.BaseVMFragment
+import com.meloda.fast.databinding.FragmentMainBinding
+import com.meloda.fast.extensions.NavigationExtensions.setupWithNavController
+import dagger.hilt.android.AndroidEntryPoint
+
+@AndroidEntryPoint
+class MainFragment : BaseVMFragment<MainVM>(R.layout.fragment_main) {
+
+    override val viewModel: MainVM by viewModels()
+    private val binding: FragmentMainBinding by viewBinding()
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        if (savedInstanceState == null) setupBottomBar()
+
+    }
+
+    private fun setupBottomBar() {
+        val navGraphIds = listOf(R.id.messages, R.id.friends)
+
+        binding.bottomBar.setupWithNavController(
+            navGraphIds = listOf(),
+            fragmentManager = childFragmentManager,
+            containerId = R.id.fragmentContainer,
+            intent = requireActivity().intent
+        )
+    }
+
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/meloda/fast/fragment/main/MainVM.kt b/app/src/main/java/com/meloda/fast/fragment/main/MainVM.kt
new file mode 100644
index 00000000..a5bb4b26
--- /dev/null
+++ b/app/src/main/java/com/meloda/fast/fragment/main/MainVM.kt
@@ -0,0 +1,5 @@
+package com.meloda.fast.fragment.main
+
+import com.meloda.fast.base.viewmodel.BaseVM
+
+class MainVM : BaseVM()
\ No newline at end of file
diff --git a/app/src/main/java/com/meloda/fast/fragment/messages/ConversationsFragment.kt b/app/src/main/java/com/meloda/fast/fragment/messages/ConversationsFragment.kt
new file mode 100644
index 00000000..c5e276d1
--- /dev/null
+++ b/app/src/main/java/com/meloda/fast/fragment/messages/ConversationsFragment.kt
@@ -0,0 +1,9 @@
+package com.meloda.fast.fragment.messages
+
+import com.meloda.fast.R
+import com.meloda.fast.base.BaseFragment
+import dagger.hilt.android.AndroidEntryPoint
+
+@AndroidEntryPoint
+class ConversationsFragment : BaseFragment(R.layout.fragment_conversations) {
+}
\ No newline at end of file
diff --git a/app/src/main/res/drawable/edit_text_box_background.xml b/app/src/main/res/drawable/edit_text_box_background.xml
new file mode 100644
index 00000000..d70c9f09
--- /dev/null
+++ b/app/src/main/res/drawable/edit_text_box_background.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:color="?colorAccent" android:state_focused="true" />
+    <item android:alpha="0.87" android:color="?colorOnSurface" android:state_hovered="true" />
+    <item android:alpha="0.12" android:color="?colorOnSurface" android:state_enabled="false" />
+    <item android:alpha="0.38" android:color="?colorOnSurface" />
+</selector>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 0f2f82ba..395fd0e6 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -1,43 +1,21 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.drawerlayout.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<layout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:id="@+id/drawerLayout"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent">
+    xmlns:tools="http://schemas.android.com/tools">
 
-    <androidx.coordinatorlayout.widget.CoordinatorLayout
+    <LinearLayout
         android:layout_width="match_parent"
-        android:layout_height="match_parent">
-
-        <FrameLayout
-            android:id="@+id/fragmentContainer"
-            android:layout_width="match_parent"
-            android:layout_height="match_parent" />
-
-        <com.google.android.material.bottomnavigation.BottomNavigationView
-            android:id="@+id/bottomBar"
-            android:layout_width="match_parent"
-            android:layout_height="48dp"
-            android:layout_gravity="bottom"
-            android:visibility="gone"
-            app:backgroundTint="?colorPrimary"
-            app:elevation="0.5dp"
-            app:itemIconTint="@drawable/navigation_view_items_colors"
-            app:itemTextColor="@drawable/navigation_view_items_colors"
-            app:labelVisibilityMode="unlabeled"
-            app:menu="@menu/activity_main_bottom" />
-
-    </androidx.coordinatorlayout.widget.CoordinatorLayout>
-
-    <com.google.android.material.navigation.NavigationView
-        android:id="@+id/navigationView"
-        android:layout_width="wrap_content"
         android:layout_height="match_parent"
-        android:layout_gravity="start"
-        app:headerLayout="@layout/activity_main_drawer_header"
-        app:itemBackground="@drawable/navigation_view_item_background_selector"
-        app:itemIconTint="@drawable/navigation_view_item_icon_colors"
-        app:itemTextColor="@drawable/navigation_view_item_text_colors"
-        app:menu="@menu/activity_main_drawer" />
+        android:orientation="vertical"
+        tools:context=".MainActivity">
 
-</androidx.drawerlayout.widget.DrawerLayout>
\ No newline at end of file
+        <androidx.fragment.app.FragmentContainerView
+            android:id="@+id/fragmentContainer"
+            android:name="androidx.navigation.fragment.NavHostFragment"
+            android:layout_width="match_parent"
+            android:layout_height="0dp"
+            android:layout_weight="1"
+            app:defaultNavHost="true"
+            app:navGraph="@navigation/main" />
+    </LinearLayout>
+</layout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_conversations.xml b/app/src/main/res/layout/fragment_conversations.xml
index 303d2f4d..0ba8b3f0 100644
--- a/app/src/main/res/layout/fragment_conversations.xml
+++ b/app/src/main/res/layout/fragment_conversations.xml
@@ -18,7 +18,11 @@
             android:layout_height="wrap_content"
             app:layout_scrollFlags="scroll|enterAlways">
 
-            <include layout="@layout/toolbar" />
+            <com.google.android.material.appbar.MaterialToolbar
+                android:id="@+id/toolbar"
+                android:layout_width="match_parent"
+                android:layout_height="?actionBarSize"
+                app:titleCentered="true" />
         </com.google.android.material.appbar.CollapsingToolbarLayout>
 
     </com.google.android.material.appbar.AppBarLayout>
diff --git a/app/src/main/res/layout/fragment_login.xml b/app/src/main/res/layout/fragment_login.xml
index da8e8e6f..bb7ebb67 100644
--- a/app/src/main/res/layout/fragment_login.xml
+++ b/app/src/main/res/layout/fragment_login.xml
@@ -1,135 +1,138 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.appcompat.widget.LinearLayoutCompat xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:id="@+id/loginRoot"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:orientation="vertical">
+<layout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
 
-    <androidx.core.widget.NestedScrollView
+    <androidx.appcompat.widget.LinearLayoutCompat
+        android:id="@+id/loginRoot"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-        android:fillViewport="true">
+        android:orientation="vertical">
 
-        <RelativeLayout
+        <androidx.core.widget.NestedScrollView
             android:layout_width="match_parent"
-            android:layout_height="match_parent">
+            android:layout_height="match_parent"
+            android:fillViewport="true">
 
-            <com.google.android.material.card.MaterialCardView
-                android:id="@+id/loginCard"
-                android:layout_width="wrap_content"
+            <LinearLayout
+                android:layout_width="match_parent"
                 android:layout_height="wrap_content"
-                android:layout_centerInParent="true"
-                android:minWidth="380dp"
-                app:cardCornerRadius="9dp"
-                app:cardElevation="0dp"
-                app:strokeColor="?dividerHorizontal"
-                app:strokeWidth="2dp">
+                android:gravity="center"
+                android:orientation="vertical"
+                android:padding="16dp">
+
+                <FrameLayout
+                    android:id="@+id/logoContainer"
+                    android:layout_width="140dp"
+                    android:layout_height="140dp"
+                    android:layout_gravity="center_horizontal"
+                    android:background="@drawable/ic_logo_fast_border">
+
+                    <com.meloda.fast.widget.CircleImageView
+                        android:id="@+id/logoImage"
+                        android:layout_width="match_parent"
+                        android:layout_height="match_parent"
+                        android:layout_gravity="center"
+                        android:padding="42dp"
+                        android:src="@drawable/ic_fast_lightning"
+                        app:tint="?colorAccent" />
+                </FrameLayout>
 
                 <LinearLayout
-                    android:id="@+id/loginCardLayout"
+                    android:id="@+id/loginContainer"
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
-                    android:orientation="vertical"
-                    android:padding="16dp">
+                    android:layout_marginTop="48dp"
+                    android:orientation="horizontal">
 
-                    <TextView
-                        android:id="@+id/loginLogoText"
+                    <androidx.appcompat.widget.AppCompatImageView
+                        android:id="@+id/loginImage"
+                        style="@style/AppTheme.Login.EditText.Icon"
                         android:layout_width="wrap_content"
                         android:layout_height="wrap_content"
-                        android:layout_gravity="center_horizontal"
-                        android:layout_marginTop="12dp"
-                        android:fontFamily="@font/google_sans_regular"
-                        android:text="@string/fast_messenger"
-                        android:textColor="@color/login_secondary_color"
-                        android:textSize="26sp" />
+                        android:layout_marginTop="16dp"
+                        android:src="@drawable/ic_baseline_account_circle_24"
+                        app:tint="?colorAccent" />
 
-                    <FrameLayout
-                        android:id="@+id/loginLogoContainer"
-                        android:layout_width="176dp"
-                        android:layout_height="176dp"
-                        android:layout_gravity="center_horizontal"
-                        android:layout_marginTop="12dp"
-                        android:background="@drawable/ic_logo_fast_border">
-
-                        <androidx.appcompat.widget.AppCompatImageView
-                            android:id="@+id/loginLogoImage"
-                            android:layout_width="wrap_content"
-                            android:layout_height="wrap_content"
-                            android:layout_gravity="center"
-                            android:src="@drawable/ic_fast_lightning"
-                            app:tint="?colorAccent" />
-
-                    </FrameLayout>
-
-                    <LinearLayout
-                        android:id="@+id/loginEmailContainer"
+                    <com.google.android.material.textfield.TextInputLayout
+                        android:id="@+id/loginLayout"
+                        style="@style/Widget.TextInputLayout.NoError.Dense"
                         android:layout_width="match_parent"
-                        android:layout_height="wrap_content"
-                        android:layout_marginTop="24dp"
-                        android:orientation="horizontal">
+                        android:layout_height="wrap_content">
 
-                        <androidx.appcompat.widget.AppCompatImageView
-                            android:id="@+id/loginEmailImage"
-                            style="@style/AppTheme.Login.EditText.Icon"
-                            android:layout_width="wrap_content"
-                            android:layout_height="match_parent"
-                            android:src="@drawable/ic_email" />
-
-                        <androidx.appcompat.widget.AppCompatEditText
-                            android:id="@+id/loginEmailEditText"
-                            style="@style/AppTheme.Login.EditText"
+                        <com.google.android.material.textfield.TextInputEditText
+                            android:id="@+id/loginInput"
                             android:layout_width="match_parent"
-                            android:hint="@string/email_login_hint"
+                            android:layout_height="48dp"
+                            android:hint="@string/login_hint"
                             android:imeOptions="actionGo"
-                            android:inputType="textEmailAddress" />
+                            android:inputType="textEmailAddress"
+                            android:textCursorDrawable="@null" />
 
-                    </LinearLayout>
+                    </com.google.android.material.textfield.TextInputLayout>
 
-                    <LinearLayout
-                        android:id="@+id/loginPasswordContainer"
-                        android:layout_width="match_parent"
-                        android:layout_height="wrap_content"
-                        android:layout_marginTop="@dimen/activity_vertical_margin"
-                        android:orientation="horizontal">
-
-                        <androidx.appcompat.widget.AppCompatImageView
-                            android:id="@+id/loginPasswordImage"
-                            style="@style/AppTheme.Login.EditText.Icon"
-                            android:layout_width="wrap_content"
-                            android:layout_height="match_parent"
-                            android:src="@drawable/ic_key" />
-
-                        <androidx.appcompat.widget.AppCompatEditText
-                            android:id="@+id/loginPasswordEditText"
-                            style="@style/AppTheme.Login.EditText"
-                            android:layout_width="match_parent"
-                            android:hint="@string/password_login_hint"
-                            android:inputType="textPassword" />
-
-                    </LinearLayout>
-
-                    <com.google.android.material.button.MaterialButton
-                        android:id="@+id/loginAuthorize"
-                        style="@style/Widget.MaterialComponents.Button.UnelevatedButton"
-                        android:layout_width="wrap_content"
-                        android:layout_height="60dp"
-                        android:layout_gravity="center_horizontal"
-                        android:layout_marginTop="12dp"
-                        android:fontFamily="@font/google_sans_regular"
-                        android:letterSpacing="0"
-                        android:paddingStart="36dp"
-                        android:paddingEnd="36dp"
-                        android:text="@string/log_in"
-                        android:textColor="@color/login_button_text_color"
-                        android:textSize="14sp"
-                        app:backgroundTint="?colorAccent"
-                        app:cornerRadius="50dp" />
 
                 </LinearLayout>
 
-            </com.google.android.material.card.MaterialCardView>
+                <LinearLayout
+                    android:id="@+id/passwordContainer"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="@dimen/activity_vertical_margin"
+                    android:orientation="horizontal">
 
-        </RelativeLayout>
-    </androidx.core.widget.NestedScrollView>
-</androidx.appcompat.widget.LinearLayoutCompat>
\ No newline at end of file
+                    <androidx.appcompat.widget.AppCompatImageView
+                        android:id="@+id/passwordImage"
+                        style="@style/AppTheme.Login.EditText.Icon"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_marginTop="16dp"
+                        android:src="@drawable/ic_key"
+                        app:tint="?colorAccent" />
+
+                    <com.google.android.material.textfield.TextInputLayout
+                        android:id="@+id/passwordLayout"
+                        style="@style/Widget.TextInputLayout.NoError.Dense"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        app:passwordToggleEnabled="true"
+                        app:passwordToggleTint="?colorAccent">
+
+                        <com.google.android.material.textfield.TextInputEditText
+                            android:id="@+id/passwordInput"
+                            android:layout_width="match_parent"
+                            android:layout_height="48dp"
+                            android:hint="@string/password_login_hint"
+                            android:inputType="textPassword"
+                            android:textCursorDrawable="@null" />
+
+                    </com.google.android.material.textfield.TextInputLayout>
+
+                </LinearLayout>
+
+                <com.google.android.material.button.MaterialButton
+                    android:id="@+id/authorize"
+                    style="@style/Widget.MaterialButton"
+                    android:layout_width="wrap_content"
+                    android:layout_height="60dp"
+                    android:layout_gravity="center_horizontal|bottom"
+                    android:layout_marginTop="12dp"
+                    android:fontFamily="@font/google_sans_medium"
+                    android:letterSpacing="0"
+                    android:paddingStart="24dp"
+                    android:paddingEnd="16dp"
+                    android:text="@string/log_in"
+                    android:textColor="?colorAccent"
+                    android:textSize="14sp"
+                    app:backgroundTint="?colorSurface"
+                    app:cornerRadius="50dp"
+                    app:elevation="16dp"
+                    app:icon="@drawable/ic_arrow_end"
+                    app:iconGravity="end"
+                    app:iconTint="?colorAccent"
+                    app:rippleColor="?colorAccent" />
+
+            </LinearLayout>
+
+        </androidx.core.widget.NestedScrollView>
+    </androidx.appcompat.widget.LinearLayoutCompat>
+</layout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_main.xml b/app/src/main/res/layout/fragment_main.xml
new file mode 100644
index 00000000..0ef577c6
--- /dev/null
+++ b/app/src/main/res/layout/fragment_main.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <androidx.coordinatorlayout.widget.CoordinatorLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <androidx.fragment.app.FragmentContainerView
+            android:id="@+id/fragmentContainer"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:layout_marginBottom="48dp" />
+
+        <com.google.android.material.bottomnavigation.BottomNavigationView
+            android:id="@+id/bottomBar"
+            android:layout_width="match_parent"
+            android:layout_height="48dp"
+            android:layout_gravity="bottom"
+            app:backgroundTint="?colorPrimary"
+            app:elevation="0.5dp"
+            app:itemIconTint="@drawable/navigation_view_items_colors"
+            app:itemTextColor="@drawable/navigation_view_items_colors"
+            app:labelVisibilityMode="unlabeled"
+            app:menu="@menu/activity_main_bottom" />
+
+    </androidx.coordinatorlayout.widget.CoordinatorLayout>
+
+</layout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_validation.xml b/app/src/main/res/layout/fragment_validation.xml
new file mode 100644
index 00000000..7a6e0918
--- /dev/null
+++ b/app/src/main/res/layout/fragment_validation.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layout xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <WebView
+        android:id="@+id/webView"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+
+</layout>
\ No newline at end of file
diff --git a/app/src/main/res/navigation/friends.xml b/app/src/main/res/navigation/friends.xml
new file mode 100644
index 00000000..c54baa11
--- /dev/null
+++ b/app/src/main/res/navigation/friends.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<navigation xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:id="@+id/friends">
+
+</navigation>
\ No newline at end of file
diff --git a/app/src/main/res/navigation/main.xml b/app/src/main/res/navigation/main.xml
new file mode 100644
index 00000000..29701442
--- /dev/null
+++ b/app/src/main/res/navigation/main.xml
@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="utf-8"?>
+<navigation xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/main"
+    app:startDestination="@id/loginFragment">
+
+    <fragment
+        android:id="@+id/mainFragment"
+        android:name="com.meloda.fast.fragment.main.MainFragment"
+        android:label="MainFragment"
+        tools:layout="@layout/fragment_main" />
+
+    <fragment
+        android:id="@+id/loginFragment"
+        android:name="com.meloda.fast.fragment.login.LoginFragment"
+        android:label="LoginFragment"
+        tools:layout="@layout/fragment_login">
+
+        <action
+            android:id="@+id/toMain"
+            app:destination="@id/mainFragment"
+            app:popUpTo="@id/loginFragment"
+            app:popUpToInclusive="true" />
+
+        <action
+            android:id="@+id/toValidation"
+            app:destination="@id/validationFragment" />
+
+    </fragment>
+
+    <fragment
+        android:id="@+id/validationFragment"
+        android:name="com.meloda.fast.fragment.login.ValidationFragment"
+        android:label="ValidationFragment"
+        tools:layout="@layout/fragment_validation">
+
+        <action
+            android:id="@+id/toLogin"
+            app:destination="@id/loginFragment"
+            app:popUpTo="@id/validationFragment"
+            app:popUpToInclusive="true" />
+
+    </fragment>
+
+</navigation>
\ No newline at end of file
diff --git a/app/src/main/res/navigation/messages.xml b/app/src/main/res/navigation/messages.xml
new file mode 100644
index 00000000..b58469a6
--- /dev/null
+++ b/app/src/main/res/navigation/messages.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<navigation xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:id="@+id/messages">
+
+</navigation>
\ No newline at end of file
diff --git a/app/src/main/res/values-night/themes.xml b/app/src/main/res/values-night/themes.xml
deleted file mode 100644
index 91edf23a..00000000
--- a/app/src/main/res/values-night/themes.xml
+++ /dev/null
@@ -1,48 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources xmlns:tools="http://schemas.android.com/tools">
-
-    <style name="AppTheme" parent="Theme.MaterialComponents.NoActionBar.Bridge">
-        <item name="colorPrimary">@color/dark_primary</item>
-        <item name="colorPrimaryDark">@color/dark_primaryDark</item>
-        <item name="colorAccent">@color/dark_accent</item>
-        <item name="toolbarStyle">@style/AppTheme.Toolbar</item>
-        <item name="preferenceTheme">@style/PreferenceThemeOverlay</item>
-        <item name="dialogCornerRadius">12dp</item>
-        <item name="android:windowBackground">@color/dark_background</item>
-        <item name="itemTitleColor">@android:color/white</item>
-        <item name="dividerHorizontal">@color/dark_divider</item>
-        <item name="textColorSecondary">@color/dark_textSecondary</item>
-        <item name="editTextFilledBackgroundColor">@color/dark_edittext_filled_background</item>
-        <item name="messageInTextColor">@color/dark_message_in</item>
-        <item name="messageOutTextColor">@color/dark_message_out</item>
-
-        <item name="android:windowAnimationStyle">@style/AppTheme.ActivityAnimation</item>
-
-        <item name="android:navigationBarColor" tools:targetApi="M">@color/dark_navigationBar</item>
-        <item name="android:navigationBarDividerColor" tools:targetApi="o_mr1">@android:color/transparent</item>
-    </style>
-
-    <style name="AppTheme.FullScreenDialog" parent="Theme.MaterialComponents.Dialog.Bridge">
-        <item name="colorPrimary">@color/dark_primary</item>
-        <item name="colorPrimaryDark">@color/dark_primaryDark</item>
-        <item name="colorAccent">@color/dark_accent</item>
-        <item name="android:windowIsFloating">false</item>
-        <item name="android:windowBackground">@color/dark_background</item>
-        <item name="actionMenuTextColor">?colorAccent</item>
-
-        <item name="android:navigationBarColor" tools:targetApi="o_mr1">?colorPrimaryDark</item>
-        <item name="android:windowLightNavigationBar" tools:targetApi="o_mr1">true</item>
-        <item name="android:navigationBarDividerColor" tools:targetApi="o_mr1">
-            @android:color/transparent
-        </item>
-
-        <item name="colorControlNormal">?colorAccent</item>
-    </style>
-
-    <style name="AppTheme.ProfileDialog" parent="Theme.MaterialComponents.BottomSheetDialog">
-        <item name="colorAccent">@color/dark_accent</item>
-        <item name="colorPrimary">@color/dark_primary</item>
-        <item name="colorPrimaryDark">@color/dark_primaryDark</item>
-    </style>
-
-</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 2bfa3a5d..6a4e55e1 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -153,5 +153,6 @@
     <string name="captcha_hint">Captcha</string>
     <string name="input_captcha">Input code from picture</string>
 
+    <string name="login_hint">Login</string>
 
 </resources>
diff --git a/app/src/main/res/values/themes.xml b/app/src/main/res/values/themes.xml
index 66230582..3450857f 100644
--- a/app/src/main/res/values/themes.xml
+++ b/app/src/main/res/values/themes.xml
@@ -5,7 +5,9 @@
         <item name="colorPrimary">@color/primary</item>
         <item name="colorPrimaryDark">@color/primaryDark</item>
         <item name="colorAccent">@color/accent</item>
+
         <item name="toolbarStyle">@style/AppTheme.Toolbar</item>
+
         <item name="android:windowLightStatusBar">true</item>
         <item name="preferenceTheme">@style/PreferenceThemeOverlay</item>
         <item name="dialogCornerRadius">12dp</item>
@@ -26,14 +28,14 @@
             @android:color/transparent
         </item>
 
+
     </style>
 
     <style name="AppTheme.Toolbar" parent="Widget.MaterialComponents.Toolbar.PrimarySurface">
         <item name="titleTextAppearance">@style/Toolbar.Title</item>
         <item name="android:textSize">24sp</item>
         <item name="android:elevation">3dp</item>
-        <item name="titleTextColor">?colorAccent</item>
-        <item name="android:background">?colorPrimary</item>
+        <item name="titleTextColor">@color/accent</item>
     </style>
 
     <style name="Toolbar.Title" parent="TextAppearance.MaterialComponents.Body1">
@@ -86,4 +88,21 @@
         <item name="colorPrimaryDark">@color/primaryDark</item>
     </style>
 
+    <style name="Widget.TextInputLayout" parent="Widget.MaterialComponents.TextInputLayout.OutlinedBox">
+        <item name="errorEnabled">true</item>
+    </style>
+
+    <style name="Widget.TextInputLayout.NoError.Dense" parent="Widget.MaterialComponents.TextInputLayout.OutlinedBox.Dense">
+        <item name="errorEnabled">true</item>
+        <item name="hintTextColor">?colorAccent</item>
+        <item name="boxStrokeColor">@drawable/edit_text_box_background</item>
+        <item name="boxStrokeErrorColor">?colorAccent</item>
+        <item name="boxStrokeWidth">2dp</item>
+    </style>
+
+    <style name="Widget.MaterialButton" parent="Widget.MaterialComponents.Button">
+
+    </style>
+
+
 </resources>
\ No newline at end of file
diff --git a/build.gradle.kts b/build.gradle.kts
index d83584b9..b3069f30 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -5,8 +5,11 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:${Versions.kotlin}")
-        classpath("com.android.tools.build:gradle:${Versions.gradlePlugin}")
+        classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:1.5.20")
+        classpath("com.android.tools.build:gradle:4.2.2")
+        classpath("androidx.navigation:navigation-safe-args-gradle-plugin:2.3.5")
+
+        classpath("com.google.dagger:hilt-android-gradle-plugin:2.37")
     }
 }
 
diff --git a/buildSrc/build.gradle.kts b/buildSrc/build.gradle.kts
deleted file mode 100644
index 8e88a958..00000000
--- a/buildSrc/build.gradle.kts
+++ /dev/null
@@ -1,9 +0,0 @@
-import org.gradle.kotlin.dsl.`kotlin-dsl`
-
-plugins {
-    `kotlin-dsl`
-}
-
-repositories {
-    mavenCentral()
-}
\ No newline at end of file
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diff --git a/buildSrc/build/classes/kotlin/main/META-INF/buildSrc.kotlin_module b/buildSrc/build/classes/kotlin/main/META-INF/buildSrc.kotlin_module
deleted file mode 100644
index a49347af..00000000
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diff --git a/buildSrc/build/classes/kotlin/main/Versions.class b/buildSrc/build/classes/kotlin/main/Versions.class
deleted file mode 100644
index def4094d..00000000
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diff --git a/buildSrc/build/kotlin/buildSrcjar-classes.txt b/buildSrc/build/kotlin/buildSrcjar-classes.txt
deleted file mode 100644
index f0bc2a6c..00000000
--- a/buildSrc/build/kotlin/buildSrcjar-classes.txt
+++ /dev/null
@@ -1 +0,0 @@
-D:\Workspace\Android\fast-messenger\buildSrc\build\classes\kotlin\main\BuildPlugins$android$2.class;D:\Workspace\Android\fast-messenger\buildSrc\build\classes\kotlin\main\BuildPlugins$kotlin$2.class;D:\Workspace\Android\fast-messenger\buildSrc\build\classes\kotlin\main\BuildPlugins.class;D:\Workspace\Android\fast-messenger\buildSrc\build\classes\kotlin\main\ConfigData.class;D:\Workspace\Android\fast-messenger\buildSrc\build\classes\kotlin\main\Deps$acra$2.class;D:\Workspace\Android\fast-messenger\buildSrc\build\classes\kotlin\main\Deps$appCompat$2.class;D:\Workspace\Android\fast-messenger\buildSrc\build\classes\kotlin\main\Deps$cardView$2.class;D:\Workspace\Android\fast-messenger\buildSrc\build\classes\kotlin\main\Deps$core$2.class;D:\Workspace\Android\fast-messenger\buildSrc\build\classes\kotlin\main\Deps$coroutineAndroid$2.class;D:\Workspace\Android\fast-messenger\buildSrc\build\classes\kotlin\main\Deps$coroutineCore$2.class;D:\Workspace\Android\fast-messenger\buildSrc\build\classes\kotlin\main\Deps$desugaring$2.class;D:\Workspace\Android\fast-messenger\buildSrc\build\classes\kotlin\main\Deps$fragment$2.class;D:\Workspace\Android\fast-messenger\buildSrc\build\classes\kotlin\main\Deps$gson$2.class;D:\Workspace\Android\fast-messenger\buildSrc\build\classes\kotlin\main\Deps$jsoup$2.class;D:\Workspace\Android\fast-messenger\buildSrc\build\classes\kotlin\main\Deps$kotlin$2.class;D:\Workspace\Android\fast-messenger\buildSrc\build\classes\kotlin\main\Deps$material$2.class;D:\Workspace\Android\fast-messenger\buildSrc\build\classes\kotlin\main\Deps$preferences$2.class;D:\Workspace\Android\fast-messenger\buildSrc\build\classes\kotlin\main\Deps$recyclerView$2.class;D:\Workspace\Android\fast-messenger\buildSrc\build\classes\kotlin\main\Deps$roomCompiler$2.class;D:\Workspace\Android\fast-messenger\buildSrc\build\classes\kotlin\main\Deps$roomRuntime$2.class;D:\Workspace\Android\fast-messenger\buildSrc\build\classes\kotlin\main\Deps$swipeRefreshLayout$2.class;D:\Workspace\Android\fast-messenger\buildSrc\build\classes\kotlin\main\Deps.class;D:\Workspace\Android\fast-messenger\buildSrc\build\classes\kotlin\main\Versions.class
\ No newline at end of file
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deleted file mode 100644
index 4b8fb0da..00000000
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diff --git a/buildSrc/build/kotlin/compileKotlin/caches-jvm/jvm/kotlin/source-to-classes.tab_i.len b/buildSrc/build/kotlin/compileKotlin/caches-jvm/jvm/kotlin/source-to-classes.tab_i.len
deleted file mode 100644
index 131e2657..00000000
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diff --git a/buildSrc/build/kotlin/compileKotlin/caches-jvm/lookups/counters.tab b/buildSrc/build/kotlin/compileKotlin/caches-jvm/lookups/counters.tab
deleted file mode 100644
index 8ade2aaa..00000000
--- a/buildSrc/build/kotlin/compileKotlin/caches-jvm/lookups/counters.tab
+++ /dev/null
@@ -1,2 +0,0 @@
-18
-15
\ No newline at end of file
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index 347e9244..00000000
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deleted file mode 100644
index 131e2657..00000000
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diff --git a/buildSrc/build/kotlin/compileKotlin/last-build.bin b/buildSrc/build/kotlin/compileKotlin/last-build.bin
deleted file mode 100644
index 5276ae9a..00000000
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diff --git a/buildSrc/build/libs/buildSrc.jar b/buildSrc/build/libs/buildSrc.jar
deleted file mode 100644
index 0f188c43..00000000
Binary files a/buildSrc/build/libs/buildSrc.jar and /dev/null differ
diff --git a/buildSrc/build/pluginUnderTestMetadata/plugin-under-test-metadata.properties b/buildSrc/build/pluginUnderTestMetadata/plugin-under-test-metadata.properties
deleted file mode 100644
index 806216fc..00000000
--- a/buildSrc/build/pluginUnderTestMetadata/plugin-under-test-metadata.properties
+++ /dev/null
@@ -1 +0,0 @@
-implementation-classpath=D\:/Workspace/Android/fast-messenger/buildSrc/build/classes/java/main;D\:/Workspace/Android/fast-messenger/buildSrc/build/classes/groovy/main;D\:/Workspace/Android/fast-messenger/buildSrc/build/classes/kotlin/main;D\:/Workspace/Android/fast-messenger/buildSrc/build/resources/main
diff --git a/buildSrc/build/reports/plugin-development/validation-report.txt b/buildSrc/build/reports/plugin-development/validation-report.txt
deleted file mode 100644
index e69de29b..00000000
diff --git a/buildSrc/build/source-roots/buildSrc/source-roots.txt b/buildSrc/build/source-roots/buildSrc/source-roots.txt
deleted file mode 100644
index 5bca968b..00000000
--- a/buildSrc/build/source-roots/buildSrc/source-roots.txt
+++ /dev/null
@@ -1,8 +0,0 @@
-src\main\resources
-src\main\java
-src\main\groovy
-src\main\kotlin
-src\test\resources
-src\test\java
-src\test\groovy
-src\test\kotlin
diff --git a/buildSrc/build/tmp/jar/MANIFEST.MF b/buildSrc/build/tmp/jar/MANIFEST.MF
deleted file mode 100644
index 59499bce..00000000
--- a/buildSrc/build/tmp/jar/MANIFEST.MF
+++ /dev/null
@@ -1,2 +0,0 @@
-Manifest-Version: 1.0
-
diff --git a/buildSrc/src/main/kotlin/ConfigData.kt b/buildSrc/src/main/kotlin/ConfigData.kt
deleted file mode 100644
index e0ae2e07..00000000
--- a/buildSrc/src/main/kotlin/ConfigData.kt
+++ /dev/null
@@ -1,10 +0,0 @@
-object ConfigData {
-
-    const val compileSdkVersion = 30
-    const val buildToolsVersion = "30.0.3"
-    const val minSdkVersion = 23
-    const val targetSdkVersion = 30
-    const val versionCode = 1
-    const val versionName = "1.0"
-
-}
\ No newline at end of file
diff --git a/buildSrc/src/main/kotlin/Dependencies.kt b/buildSrc/src/main/kotlin/Dependencies.kt
deleted file mode 100644
index 22ded1ac..00000000
--- a/buildSrc/src/main/kotlin/Dependencies.kt
+++ /dev/null
@@ -1,31 +0,0 @@
-object BuildPlugins {
-    val android by lazy { "com.android.tools.build:gradle:${Versions.gradlePlugin}" }
-    val kotlin by lazy { "org.jetbrains.kotlin:kotlin-gradle-plugin:${Versions.kotlin}" }
-}
-
-object Deps {
-    val kotlin by lazy { "org.jetbrains.kotlin:kotlin-stdlib-jdk8:${Versions.kotlin}" }
-
-    val desugaring by lazy { "com.android.tools:desugar_jdk_libs:${Versions.desugaring}" }
-
-    val appCompat by lazy { "androidx.appcompat:appcompat:${Versions.appCompat}" }
-    val material by lazy { "com.google.android.material:material:${Versions.material}" }
-    val core by lazy { "androidx.core:core-ktx:${Versions.core}" }
-    val preferences by lazy { "androidx.preference:preference-ktx:${Versions.preferences}" }
-    val swipeRefreshLayout by lazy { "androidx.swiperefreshlayout:swiperefreshlayout:${Versions.swipeRefreshLayout}" }
-    val recyclerView by lazy { "androidx.recyclerview:recyclerview:${Versions.recyclerView}" }
-    val cardView by lazy { "androidx.cardview:cardview:${Versions.cardView}" }
-    val fragment by lazy { "androidx.fragment:fragment-ktx:${Versions.fragment}" }
-
-    val coroutineCore by lazy { "org.jetbrains.kotlinx:kotlinx-coroutines-core:${Versions.coroutines}" }
-    val coroutineAndroid by lazy { "org.jetbrains.kotlinx:kotlinx-coroutines-android:${Versions.coroutines}" }
-
-    val roomRuntime by lazy { "androidx.room:room-runtime:${Versions.room}" }
-    val roomCompiler by lazy { "androidx.room:room-compiler:${Versions.room}" }
-
-    val gson by lazy { "com.google.code.gson:gson:${Versions.gson}" }
-
-    val jsoup by lazy { "org.jsoup:jsoup:${Versions.jsoup}" }
-
-    val acra by lazy { "ch.acra:acra:${Versions.acra}" }
-}
\ No newline at end of file
diff --git a/buildSrc/src/main/kotlin/Versions.kt b/buildSrc/src/main/kotlin/Versions.kt
deleted file mode 100644
index b4d09b60..00000000
--- a/buildSrc/src/main/kotlin/Versions.kt
+++ /dev/null
@@ -1,34 +0,0 @@
-object Versions {
-
-    const val desugaring = "1.1.5"
-    const val gradlePlugin = "4.2.1"
-    const val kotlin = "1.5.0"
-
-    const val appCompat = "1.4.0-alpha02"
-    const val material = "1.4.0-rc01"
-    const val core = "1.6.0-rc01"
-    const val preferences = "1.1.1"
-    const val swipeRefreshLayout = "1.2.0-alpha01"
-    const val recyclerView = "1.2.1"
-    const val cardView = "1.0.0"
-    const val fragment = "1.3.5"
-
-    const val coroutines = "1.4.3"
-
-    const val room = "2.2.0"
-
-    const val gson = "2.8.6"
-
-    const val jsoup = "1.13.1"
-
-    const val acra = "4.11.1"
-
-    const val viewBinding = "1.0.2"
-
-
-
-    const val lifecycle = "2.3.1"
-
-    const val retrofit = "2.9.0"
-
-}
\ No newline at end of file
diff --git a/settings.gradle.kts b/settings.gradle.kts
index f3c2a3ba..47bfbee1 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -1,2 +1,2 @@
-rootProject.name = "Fast"
+rootProject.name = "fast-messenger"
 include(":app")
\ No newline at end of file