Add splash screen for Android

android/AndroidManifest.xml

@@ -1,7 +1,12 @@
 <?xml version="1.0"?>
 <manifest package="org.martchus.passwordmanager" xmlns:android="http://schemas.android.com/apk/res/android" android:versionName="2.1.5" android:versionCode="2" android:installLocation="auto">
     <application android:icon="@drawable/icon" android:name="org.qtproject.qt5.android.bindings.QtApplication" android:label="@string/app_name">
-        <activity android:configChanges="orientation|uiMode|screenLayout|screenSize|smallestScreenSize|locale|fontScale|keyboard|keyboardHidden|navigation" android:name="org.qtproject.qt5.android.bindings.QtActivity" android:label="Password Manager" android:screenOrientation="unspecified">
+        <activity
+            android:configChanges="orientation|uiMode|screenLayout|screenSize|smallestScreenSize|layoutDirection|locale|fontScale|keyboard|keyboardHidden|navigation"
+            android:name="org.qtproject.qt5.android.bindings.QtActivity"
+            android:label="@string/app_name"
+            android:screenOrientation="unspecified"
+            android:theme="@style/AppTheme">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN"/>
                 <category android:name="android.intent.category.LAUNCHER"/>
@@ -27,9 +32,7 @@
             <meta-data android:value="@string/fatal_error_msg" android:name="android.app.fatal_error_msg"/>
 
             <!-- Splash screen -->
-            <!--
-            <meta-data android:name="android.app.splash_screen_drawable" android:resource="@drawable/logo"/>
-            -->
+            <meta-data android:name="android.app.splash_screen_drawable" android:resource="@drawable/splash"/>
             <!-- Splash screen -->
         </activity>
     </application>

android/res/drawable/splash.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item>
+        <shape android:shape="rectangle" >
+            <solid android:color="#FFFFFFFF"/>
+        </shape>
+    </item>
+    <item>
+         <bitmap android:src="@drawable/icon"
+        android:gravity="center"/>
+    </item>
+</layer-list>

android/res/values/apptheme.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <style name="AppTheme" parent="@android:style/Theme.DeviceDefault.Light.NoActionBar">
+        <item name="android:windowBackground">@drawable/splash</item>
+    </style>
+</resources>