Theme switching

app/src/main/java/com/meloda/fast/util/AndroidUtils.kt

@@ -3,6 +3,7 @@ package com.meloda.fast.util
 import android.content.ClipData
 import android.content.Context
 import android.content.Intent
+import android.content.res.Configuration
 import android.net.NetworkCapabilities
 import android.net.Uri
 import android.os.Build
@@ -28,6 +29,15 @@ object AndroidUtils {
 
     fun dp(px: Int) = dp(px.toFloat())
 
+    fun isDarkTheme(): Boolean {
+        val currentNightMode =
+            AppGlobal.resources.configuration.uiMode and Configuration.UI_MODE_NIGHT_MASK
+        return when (currentNightMode) {
+            Configuration.UI_MODE_NIGHT_YES -> true
+            else -> false
+        }
+    }
+
     fun hasConnection(): Boolean {
         val network = AppGlobal.connectivityManager.activeNetwork ?: return false
         val activeNetwork =

app/src/main/java/com/meloda/fast/util/ColorUtils.kt

@@ -1,6 +1,7 @@
 package com.meloda.fast.util
 
 import android.content.Context
+import android.graphics.Color
 import androidx.annotation.ColorInt
 import com.meloda.fast.R
 
@@ -11,4 +12,19 @@ object ColorUtils {
         return AndroidUtils.getThemeAttrColor(context, R.attr.colorAccent)
     }
 
+    @ColorInt
+    fun getColorPrimary(context: Context): Int {
+        return AndroidUtils.getThemeAttrColor(context, R.attr.colorPrimary)
+    }
+
+    @JvmOverloads
+    fun darkenColor(color: Int, darkFactor: Float = 0.75f): Int {
+        var newColor = color
+        val hsv = FloatArray(3)
+        Color.colorToHSV(newColor, hsv)
+        hsv[2] *= darkFactor
+        newColor = Color.HSVToColor(hsv)
+        return newColor
+    }
+
 }

app/src/main/java/com/meloda/fast/util/Utils.kt

@@ -17,15 +17,6 @@ object Utils {
         return context.getString(R.string.error, t.message.toString())
     }
 
-    fun isDarkTheme(): Boolean {
-        val currentNightMode =
-            AppGlobal.resources.configuration.uiMode and Configuration.UI_MODE_NIGHT_MASK
-        return when (currentNightMode) {
-            Configuration.UI_MODE_NIGHT_YES -> true
-            else -> false
-        }
-    }
-
     fun serialize(source: Any?): ByteArray? {
         try {
             val bos = BytesOutputStream()