Question

I have my custom application running on the phone and it should run 24/7, so there is one requirement to restrict launching of home screen of android phone when user clicks on Home button of the phone means if my application running on the phone and user clicks on the Home button It should not navigate to the Home screen of the phone.
It should always display my custom application on the phone.

So can anyone help me to achieve this functionality? Please share some example code so it would be helpful for me to implement.

Regards,
Piks

Answer 1

try this:

@Override
public void onAttachedToWindow() {
    // TODO Auto-generated method stub
    this.getWindow().setType(WindowManager.LayoutParams.TYPE_KEYGUARD);     
    super.onAttachedToWindow();
}
@Override
public boolean dispatchKeyEvent(KeyEvent event) {
    if (event.getAction() == KeyEvent.ACTION_DOWN) {
        switch (event.getKeyCode()) {
        case KeyEvent.KEYCODE_BACK:
            return true;
        case KeyEvent.KEYCODE_HOME:
            return true;
        }
    } else if (event.getAction() == KeyEvent.ACTION_UP) {
        switch (event.getKeyCode()) {
        case KeyEvent.KEYCODE_BACK:
            if (!event.isCanceled()) {
                // Do BACK behavior.
            }
            return true;
        case KeyEvent.KEYCODE_HOME:
            if (!event.isCanceled()) {
                // Do HOME behavior.
            }
            return true;
        default:
            return true;


        }
    }

    return super.dispatchKeyEvent(event);
}