Optimized NavigationView, the way to exit.

Add vibration and shadow to tool buttons.

app/src/main/AndroidManifest.xml

@@ -2,6 +2,8 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.fatapp.oxygentoolbox">
 
+    <uses-permission android:name="android.permission.VIBRATE" />
+
     <application
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
@@ -46,5 +48,4 @@
             </intent-filter>
         </activity>
     </application>
-
 </manifest>