feat(android): add adaptive icons, dynamic shortcuts, in-process hot-swap, and exit-to-launcher

mobile/android/app/src/main/AndroidManifest.xml

@@ -29,7 +29,8 @@
 
   <application
       android:allowBackup="true"
-      android:icon="@drawable/love"
+      android:icon="@mipmap/ic_launcher"
+      android:roundIcon="@mipmap/ic_launcher_round"
       android:label="${NAME}" >
     <meta-data
         android:name="android.allow_multiple_resumed_activities"
@@ -39,7 +40,7 @@
         android:exported="true"
         android:configChanges="orientation|screenSize|smallestScreenSize|screenLayout|keyboard|keyboardHidden|navigation"
         android:label="${NAME}"
-        android:launchMode="singleInstance"
+        android:launchMode="singleTask"
         android:screenOrientation="${ORIENTATION}"
         android:resizeableActivity="false"
         android:theme="@android:style/Theme.NoTitleBar.Fullscreen" >

mobile/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>

mobile/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>

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

@@ -3,4 +3,9 @@
     <color name="colorPrimary">#3F51B5</color>
     <color name="colorPrimaryDark">#303F9F</color>
     <color name="colorAccent">#FF4081</color>
+    <color name="ic_launcher_background">#FFFFFF</color>
+    <color name="shortcut_red">#E53935</color>
+    <color name="shortcut_blue">#1E88E5</color>
+    <color name="shortcut_yellow">#FDD835</color>
+    <color name="shortcut_gold">#D4AF37</color>
 </resources>