android 添加menu 菜单项

@Override

public boolean onCreateOptionsMenu(Menu menu) {

menu.add(0,1,1,R.string.about);

menu.add(0,2,2,R.string.exit);

return super.onCreateOptionsMenu(menu);

}

@Override

public boolean onOptionsItemSelected(MenuItem item) {

if (item.getItemId() == 2) {

finish();

}

return super.onOptionsItemSelected(item);

}