Add launch screen. Fixes https://github.com/austinhuang0131/barinsta/issues/410

app/src/main/AndroidManifest.xml

@@ -22,7 +22,7 @@
         android:label="@string/app_name"
         android:requestLegacyExternalStorage="true"
         android:supportsRtl="true"
-        android:theme="@style/AppTheme.Light.White"
+        android:theme="@style/AppTheme.Launcher"
         tools:ignore="UnusedAttribute">
         <activity
             android:name=".activities.MainActivity"

app/src/main/res/drawable/launch_screen.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android"
+    android:opacity="opaque">
+    <item android:drawable="@color/grey_900" />
+    <item>
+        <bitmap
+            android:gravity="center"
+            android:src="@drawable/barinsta_logo" />
+    </item>
+</layer-list>

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

@@ -140,4 +140,8 @@
         <item name="dmOutgoingBgColor">@color/deep_purple_400</item>
         <item name="dmDateHeaderBgColor">@color/deep_purple_600</item>
     </style>
+
+    <style name="AppTheme.Launcher" parent="AppTheme.Dark">
+        <item name="android:windowBackground">@drawable/launch_screen</item>
+    </style>
 </resources>