How to implement the Android ActionBar back button?

Question

I have an activity with a listview. When the user click the item, the item \"viewer\" opens:

List1.setOnItemClickListener(new OnItemClickListener() {
    @Ov         


        

Answer 1

Android Annotations:

@OptionsItem(android.R.id.home)
void homeSelected() {
    onBackPressed();
}

Source: https://github.com/excilys/androidannotations