You can create a menu dir in the res/ folder. Right click on res
in the project view in Android Studio and click new -> "Android Resource Directory". Then select menu under "Resource Type". You can then add a file to that new res/menu directory that contains your menu items like this (res/menu/main_menu.xml)
<menu xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto">
<item
android:id="@+id/action"
android:title="@string/action"
app:showAsAction="always" />
</menu>
And get sure to override the onCreateOptionsMenu(Menu menu)
in the MainActivity
class like this:
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.main_menu,menu);
return true;
}
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…