Full Source code to create options Menu with Sub Items in Android
example_menu.xml
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto">
<item
android:id="@+id/item1"
android:icon="@drawable/ic_icon"
android:title="Item 1"
app:showAsAction="ifRoom" />
<item
android:id="@+id/item2"
android:title="Item 2"
app:showAsAction="never" />
<item
android:id="@+id/item3"
android:title="Item 3"
app:showAsAction="never">
<menu>
<item
android:id="@+id/subitem1"
android:title="Sub Item 1" />
<item
android:id="@+id/subitem2"
android:title="Sub Item 2" />
</menu>
</item>
</menu>
MainActivity.java
package com.example.application.optionsmenuexample;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.widget.Toast;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.example_menu, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.item1:
Toast.makeText(this, "Item 1 selected", Toast.LENGTH_SHORT).show();
return true;
case R.id.item2:
Toast.makeText(this, "Item 2 selected", Toast.LENGTH_SHORT).show();
return true;
case R.id.item3:
Toast.makeText(this, "Item 3 selected", Toast.LENGTH_SHORT).show();
return true;
case R.id.subitem1:
Toast.makeText(this, "Sub Item 1 selected", Toast.LENGTH_SHORT).show();
return true;
case R.id.subitem2:
Toast.makeText(this, "Sub Item 2 selected", Toast.LENGTH_SHORT).show();
return true;
default:
return super.onOptionsItemSelected(item);
}
}
}