How exactly does the android:onClick XML attribute differ from setOnClickListener?

Question

From that I\'ve read you can assign a onClick handler to a button in two ways.

Using the android:onClick XML attribute where you just use t

Answer 1

To make your life easier and avoid the Anonymous Class in setOnClicklistener (), implement a View.OnClicklistener Interface as below:

public class YourClass extends CommonActivity implements View.OnClickListener, ...

this avoids:

btn.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View v) {
        yourMethod(v);
    }
});

and goes directly to:

@Override
public void onClick(View v) {
  switch (v.getId()) {
    case R.id.your_view:
      yourMethod();
      break;
  }
}