Options menu example in android/how to create options menu in android
Android provides a standard XML format to define menu items
create an XML file inside your project's res/menu/ directory and build the menu with the following elements:
<menu>(root node,can hold <items>)
<item>(represents a single item in a menu)
Res/menu/options.menu.xml
<?xml version="1.0" encoding="utf-8"?> <menu xmlns:android="http://schemas.android.com/apk/res/android"> <item android:id="@+id/next" android:icon="@drawable/icon" android:title="@string/next" /> <item android:id="@+id/previous" android:icon="@drawable/icon" android:title="@string/previous" /> <item android:id="@+id/list" android:icon="@drawable/icon" android:title="@string/list" /> </menu> |
OptionsMenuActivity.xml
package com.example; import android.app.Activity; import android.os.Bundle; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.widget.Toast; public class OptionsMenuActivity extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); } public boolean onCreateOptionsMenu(Menu menu) { MenuInflater inflater = getMenuInflater(); inflater.inflate(R.menu.options_menu, menu); return true; } public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.next: Toast.makeText(this, "You have chosen the " + getResources().getString(R.string.next) + " menu option", Toast.LENGTH_SHORT).show(); return true; case R.id.previous: Toast.makeText(this, "You have chosen the " + getResources().getString(R.string.previous) + " menu option", Toast.LENGTH_SHORT).show(); return true; case R.id.list: Toast.makeText(this, "You have chosen the " + getResources().getString(R.string.list) + " menu option", Toast.LENGTH_SHORT).show(); return true; default: return super.onOptionsItemSelected(item); } } } |
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