Unlock phone programmatically, Bring to front activity

Unlock phone:

on Manifest:

<uses-permission android:name="android.permission.DISABLE_KEYGUARD" />

on code (onCreate method)

Window winManager = getWindow();

winManager.addFlags(WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD);

winManager.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);

winManager.addFlags(WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON);

Bring to Front:

Intent intentactivity = new Intent(Transitions.ACTION_SHOW_MAIN);

intentactivity.addFlags(Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT

|Intent.FLAG_ACTIVITY_REORDER_TO_FRONT

|Intent.FLAG_ACTIVITY_NEW_TASK);

intentactivity.putExtra(Transitions.ACTIVITY_COMMAND, MainActivity.COMMAND_TAKE_PICTURE);

this.context.startActivity(intentactivity);