Implement dark theme support

app/src/hidden/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@color/white"/>
+    <background android:drawable="@color/light"/>
     <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
 </adaptive-icon>

app/src/hidden/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@color/white"/>
+    <background android:drawable="@color/light"/>
     <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
 </adaptive-icon>

app/src/main/res/mipmap-anydpi-v26/ic_sos.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@color/white"/>
+    <background android:drawable="@color/light"/>
     <foreground android:drawable="@mipmap/ic_sos_foreground"/>
 </adaptive-icon>

app/src/main/res/mipmap-anydpi-v26/ic_sos_round.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@color/white"/>
+    <background android:drawable="@color/light"/>
     <foreground android:drawable="@mipmap/ic_sos_foreground"/>
 </adaptive-icon>

app/src/main/res/mipmap-anydpi-v26/ic_start.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@color/white"/>
+    <background android:drawable="@color/light"/>
     <foreground android:drawable="@mipmap/ic_start_foreground"/>
 </adaptive-icon>

app/src/main/res/mipmap-anydpi-v26/ic_start_round.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@color/white"/>
+    <background android:drawable="@color/light"/>
     <foreground android:drawable="@mipmap/ic_start_foreground"/>
 </adaptive-icon>

app/src/main/res/mipmap-anydpi-v26/ic_stop.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@color/white"/>
+    <background android:drawable="@color/light"/>
     <foreground android:drawable="@mipmap/ic_stop_foreground"/>
 </adaptive-icon>

app/src/main/res/mipmap-anydpi-v26/ic_stop_round.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@color/white"/>
+    <background android:drawable="@color/light"/>
     <foreground android:drawable="@mipmap/ic_stop_foreground"/>
 </adaptive-icon>

app/src/main/res/values-night/colors.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+    <color name="primary">#2E7D32</color>
+    <color name="primary_dark">#1B5E20</color>
+    <color name="accent">#81C784</color>
+    <color name="light">#FAFAFA</color>
+
+</resources>

app/src/main/res/values/colors.xml

@@ -4,6 +4,6 @@
     <color name="primary">#43A047</color>
     <color name="primary_dark">#2E7D32</color>
     <color name="accent">#388E3C</color>
-    <color name="white">#FFFFFF</color>
+    <color name="light">#FFFFFF</color>
 
 </resources>

app/src/main/res/values/themes.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
 
-    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+    <style name="AppTheme" parent="Theme.AppCompat.DayNight.DarkActionBar">
         <item name="colorPrimary">@color/primary</item>
         <item name="colorPrimaryDark">@color/primary_dark</item>
         <item name="colorAccent">@color/accent</item>