Here you can find the source of hasVibrationPermission(Context context)
private static boolean hasVibrationPermission(Context context)
//package com.java2s; import android.Manifest.permission; import android.content.Context; import android.content.pm.PackageManager; public class Main { private static boolean hasVibrationPermission(Context context) { int result = context .checkCallingOrSelfPermission(permission.VIBRATE); return (result == PackageManager.PERMISSION_GRANTED); }/*w w w . j a va 2 s . co m*/ }