[Android]_ch4.1_OptionMenu元件介紹

[Android]_ch4.1_OptionMenu元件介紹

@Override

public boolean onCreateOptionsMenu(Menu menu) {

MenuInflater menuInflater=getMenuInflater();

menuInflater.inflate(R.menu.option_menu, menu);

return super.onCreateOptionsMenu(menu);

}



@Override

public boolean onOptionsItemSelected(MenuItem item) {

int id=item.getItemId();

Resources resources=getResources();

String msg="選擇:";

switch(id){

case R.id.item1:

msg=msg+resources.getString(R.string.s1);

break;

case R.id.item2:

msg=msg+resources.getString(R.string.s2);

break;

case R.id.item3:

msg=msg+resources.getString(R.string.s3);

break;

case R.id.item4:

msg=msg+resources.getString(R.string.s4);

finish();

break;

}

Toast.makeText(MainActivity.this, msg, Toast.LENGTH_SHORT).show();

return super.onOptionsItemSelected(item);

}