Disable Screen Lock in Android

Add this code into your Activity  : 

KeyguardManager keyguardManager = (KeyguardManager)getSystemService(Activity.KEYGUARD_SERVICE);
 KeyguardLock lock = keyguardManager.newKeyguardLock(KEYGUARD_SERVICE); lock.disableKeyguard();


In androidmanifest add this permission: 

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