Options Menu with Suboptions
Example Code:
MainActivity.java:
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package com.example.subitems;
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.menu_example, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()){
case R.id.item1:
Toast.makeText(this, "Option 1 is selected", Toast.LENGTH_SHORT).show();
return true;
case R.id.item2:
Toast.makeText(this, "Option 2 is selected", Toast.LENGTH_SHORT).show();
return true;
case R.id.subitem1:
Toast.makeText(this, "SubOption 1 is selected", Toast.LENGTH_SHORT).show();
return true;
case R.id.subitem2:
Toast.makeText(this, "SubOption 2 is selected", Toast.LENGTH_SHORT).show();
return true;
case R.id.subitem3:
Toast.makeText(this, "SubOption 3 is selected", Toast.LENGTH_SHORT).show();
return true;
case R.id.subitem4:
Toast.makeText(this, "SubOption 4 is selected", Toast.LENGTH_SHORT).show();
return true;
}
return super.onOptionsItemSelected(item);
}
}
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package com.example.subitems;
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.menu_example, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()){
case R.id.item1:
Toast.makeText(this, "Option 1 is selected", Toast.LENGTH_SHORT).show();
return true;
case R.id.item2:
Toast.makeText(this, "Option 2 is selected", Toast.LENGTH_SHORT).show();
return true;
case R.id.subitem1:
Toast.makeText(this, "SubOption 1 is selected", Toast.LENGTH_SHORT).show();
return true;
case R.id.subitem2:
Toast.makeText(this, "SubOption 2 is selected", Toast.LENGTH_SHORT).show();
return true;
case R.id.subitem3:
Toast.makeText(this, "SubOption 3 is selected", Toast.LENGTH_SHORT).show();
return true;
case R.id.subitem4:
Toast.makeText(this, "SubOption 4 is selected", Toast.LENGTH_SHORT).show();
return true;
}
return super.onOptionsItemSelected(item);
}
}
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menu_example.xml:
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<?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:title="Option 1"
app:showAsAction="never">
<menu>
<item
android:id="@+id/subitem1"
android:title="Option 1.1"/>
<item
android:id="@+id/subitem2"
android:title="Option 1.2"/>
</menu>
</item>
<item android:id="@+id/item2"
android:title="Option 2"
app:showAsAction="never" >
<menu>
<item
android:id="@+id/subitem3"
android:title="Option 2.1"/>
<item
android:id="@+id/subitem4"
android:title="Option 2.2"/>
</menu>
</item>
</menu>
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