Android: Go back to previous activity

Question

I want to do something simple on android app. How is it possible to go back to a previous activity.

What code do I need to go back to previous activity

Answer 1

You can try this:

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    if (keyCode == KeyEvent.KEYCODE_BACK && event.getRepeatCount() == 0) {

        finish();
        return true;
    }
    return super.onKeyDown(keyCode, event);
}