Hello All,
I am very new to Android, and this is my first program.
I am trying to create an activity with a button which will lock the
screen of the device. It will just be a normal lock which the user can
swipe and remove.
I do not understand why even after complete execution of the program
it is not working. Please help.
My code is as follows:
package com.droid.ScreenLock;
import android.app.Activity;
import android.app.KeyguardManager;
import android.app.KeyguardManager.KeyguardLock;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
public class MainActivity extends Activity {
private KeyguardManager n;
private Boolean b;
private KeyguardLock l;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Button tbut = (Button) findViewById(R.id.button1);
tbut.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
n = (KeyguardManager)
getSystemService(KEYGUARD_SERVICE);
b = n.inKeyguardRestrictedInputMode();
}
});
}
public void onPause() {
super.onPause();
if (b != true) {
l = (KeyguardLock) n.newKeyguardLock("User");
l.reenableKeyguard();
l = null;
}
}
}
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