Disable configuration changes

app/src/main/AndroidManifest.xml

@@ -11,7 +11,8 @@
         android:theme="@style/AppTheme">
 
         <activity
-            android:name=".MainActivity">
+            android:name=".MainActivity"
+            android:configChanges="keyboardHidden|orientation|screenSize">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />