<service android:enabled="true" android:name=".Services.GhostModeService" />

 android:hardwareAccelerated="true"

<activity android:name=".MainActivity"
            android:configChanges="orientation|screenSize|keyboardHidden"
            android:label="@string/app_name"
            android:launchMode="singleInstance">

            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    Log.d(TAG,"classmain-> onCreate");
    initializeM();
    settingWebview();
    initializeNavigationTab();
    myoutube.loadUrl(URL);
    ghostModeServiceIntent=new Intent(MainActivity.this,GhostModeService.class);
}

private void settingWebview() {
        myoutube.setWebViewClient(new Myyoutube());
        myoutube.getSettings().setLoadsImagesAutomatically(true);
        myoutube.setScrollBarStyle(View.SCROLLBARS_INSIDE_OVERLAY);
        myoutube.getSettings().setBuiltInZoomControls(false);
        myoutube.getSettings().setLoadsImagesAutomatically(true);
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1)
            myoutube.getSettings().setMediaPlaybackRequiresUserGesture(true);
        myoutube.getSettings().setJavaScriptEnabled(true);
        myoutube.getSettings().setPluginState(WebSettings.PluginState.ON);
    }

private WindowManager mWindowManager;
 private View mGhostmode;

@Override
    public void onCreate() {
    super.onCreate();

    Log.d(TAG,"classghostservice-> onCreate()");
    LayoutInflater inflater = (LayoutInflater) getSystemService(LAYOUT_INFLATER_SERVICE);
    mGhostmode = inflater.inflate(R.layout.layout_ghostmode,null,false);

    //setting the layout parameters
    WindowManager.LayoutParams params = new WindowManager.LayoutParams(
            500,
            500,
            WindowManager.LayoutParams.TYPE_PHONE,
            WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE,
            PixelFormat.TRANSLUCENT);

    params.x=0;
    params.y=0;
    params.gravity=Gravity.END | Gravity.BOTTOM;


    //getting windows services and adding the floating view to it
    mWindowManager = (WindowManager) getSystemService(WINDOW_SERVICE);
    mWindowManager.addView(mGhostmode, params);

}

@Override
    public int onStartCommand(Intent intent, int flags, int startId) {
        Log.d(TAG,"classghostservice-> onstartCommand()");
        foregroundNotification(1);
        return START_NOT_STICKY;

    }

<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/drawer"
android:layout_width="match_parent"
android:layout_height="match_parent".....

private static DrawerLayout windowMain;

windowManager = (WindowManager) getSystemService(WINDOW_SERVICE);
 inflater = (LayoutInflater) getSystemService(LAYOUT_INFLATER_SERVICE);
 windowMain = (DrawerLayout) inflater.inflate(R.layout.activity_main, null);

findViewById()

windowMain.findViewById(R.id.btn);
windowMain.findViewById(R.id.webview);

WindowManager.LayoutParams=expandParams
expandParams = new WindowManager.LayoutParams(
        WindowManager.LayoutParams.MATCH_PARENT,
        WindowManager.LayoutParams.MATCH_PARENT,
        WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY,
        WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON|
                WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL,
        PixelFormat.TRANSLUCENT);
expandParams.gravity = Gravity.START | Gravity.TOP;
expandParams.x = 0;
expandParams.y = 0;

windowManager.addView(windowMain, expandParams);

windowManager.updateViewLayout(windowMain, ghostParams);

windowManager.removeView(windowMain);
  finish()