how to lock the android programatically

Question

i want to lock the phone when i click the lock button.anybody please help with simple code.i tried with part of code from API_Demos but it shows some error.

Answer 1

@Bhupinder Kindly check the following link.

http://musicm122.blogspot.in/2011/10/locking-and-unlocking-android-phone.html

//Get the window from the context

   WindowManager wm = Context.getSystemService(Context.WINDOW_SERVICE);

   //Unlock

   //http://developer.android.com/reference/android/app/Activity.html#getWindow()

   Window window = getWindow();  

   window.addFlags(wm.LayoutParams.FLAG_DISMISS_KEYGUARD);  



   //Lock device

   DevicePolicyManager mDPM;

   mDPM = (DevicePolicyManager)getSystemService(Context.DEVICE_POLICY_SERVICE);