Using static methods in Android?

Question

I already made some Apps in Android and noticed that I am often using static methods.

For example I have an Class which extends PreferenceFragment. In t

Answer 1

You can use a Java property known as mirroring. Below I use the property to finish the activity.

 Button btn = new Button(getActivity().getApplicationContext());
    btn.setText("Save");
    v.addView(btn);
    btn.setOnClickListener(new View.OnClickListener() {
        public void onClick(View v) {
            SettingsFragment.this.getActivity().finish();            
        }
    });