How to check the phone is locked in android?

Question

How to check the phone is locked or not in android?

Answer 1

I attached the answer for finding the phone is locked or not, i declared the code below,

KeyguardManager km = (KeyguardManager)getSystemService(Context.KEYGUARD_SERVICE);
boolean locked = km.inKeyguardRestrictedInputMode();
if(locked == true){
  // do something
}else{
  // do something else
}