Move from java/ to kotlin/ directory

Android 12 dynamic color usage on login screen

app/src/main/kotlin/com/meloda/fast/base/BaseActivity.kt

@@ -0,0 +1,48 @@
+package com.meloda.fast.base
+
+import android.os.Bundle
+import android.view.View
+import androidx.annotation.LayoutRes
+import androidx.appcompat.app.AppCompatActivity
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.LifecycleOwner
+import androidx.lifecycle.LifecycleRegistry
+import com.google.android.material.snackbar.Snackbar
+
+abstract class BaseActivity : AppCompatActivity, LifecycleOwner {
+
+    constructor() : super()
+
+    constructor(@LayoutRes resId: Int) : super(resId)
+
+    protected lateinit var lifecycleRegistry: LifecycleRegistry
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        lifecycleRegistry = LifecycleRegistry(this)
+        lifecycleRegistry.currentState = Lifecycle.State.CREATED
+    }
+
+    override fun onStart() {
+        super.onStart()
+        lifecycleRegistry.currentState = Lifecycle.State.STARTED
+    }
+
+    override fun onResume() {
+        super.onResume()
+        lifecycleRegistry.currentState = Lifecycle.State.RESUMED
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        lifecycleRegistry.currentState = Lifecycle.State.DESTROYED
+    }
+
+    val rootView: View? get() = findViewById(android.R.id.content)
+
+    fun requireRootView() = rootView!!
+
+    var errorSnackbar: Snackbar? = null
+
+}