Android UI How to - Add Action Items to the Action Bar








You can display additional items on the Action Bar. These additional items are called action items. Action items are shortcuts to some of the commonly performed operations in your application.

Example

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >


</LinearLayout>

Java code

package com.java2s.myapplication3.app;
//from   w  ww  . j  a va2s . c  o  m

import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.Toast;

public class MainActivity extends Activity {
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        super.onCreateOptionsMenu(menu);
        CreateMenu(menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item)
    {
        return MenuChoice(item);
    }

    private void CreateMenu(Menu menu)
    {
        MenuItem mnu1 = menu.add(0, 0, 0, "Item 1");
        {
            mnu1.setIcon(R.drawable.ic_launcher);
            mnu1.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
        }
        MenuItem mnu2 = menu.add(0, 1, 1, "Item 2");
        {
            mnu2.setIcon(R.drawable.ic_launcher);
            mnu2.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
        }
        MenuItem mnu3 = menu.add(0, 2, 2, "Item 3");
        {
            mnu3.setIcon(R.drawable.ic_launcher);
            mnu3.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
        }
        MenuItem mnu4 = menu.add(0, 3, 3, "Item 4");
        {
            mnu4.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
        }
        MenuItem mnu5 = menu.add(0, 4, 4, "Item 5");
        {
            mnu5.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
        }
    }

    private boolean MenuChoice(MenuItem item)
    {
        switch (item.getItemId()) {
            case 0:
                Toast.makeText(this, "You clicked on Item 1",
                        Toast.LENGTH_LONG).show();
                return true;
            case 1:
                Toast.makeText(this, "You clicked on Item 2",
                        Toast.LENGTH_LONG).show();
                return true;
            case 2:
                Toast.makeText(this, "You clicked on Item 3",
                        Toast.LENGTH_LONG).show();
                return true;
            case 3:
                Toast.makeText(this, "You clicked on Item 4",
                        Toast.LENGTH_LONG).show();
                return true;
            case 4:
                Toast.makeText(this, "You clicked on Item 5",
                        Toast.LENGTH_LONG).show();
                return true;
        }
        return false;
    }

}
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