ANDROID笔记: ActionBar(三)之ActionBar List

package com.example.android_actionenu.test;



import android.annotation.SuppressLint;

import android.app.ActionBar;

import android.app.ActionBar.OnNavigationListener;

import android.app.Activity;

import android.os.Bundle;

import android.widget.ArrayAdapter;

import android.widget.SpinnerAdapter;

import android.widget.Toast;



import com.example.android_actionbar.R;



public class ListActionBarActivity extends Activity {



    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_listactionbar);

        // 生成一个SpinnerAdapter

        SpinnerAdapter adapter = ArrayAdapter.createFromResource(this,

                R.array.actionarrays,

                android.R.layout.simple_spinner_dropdown_item);

        final String[] arrys = getResources().getStringArray(

                R.array.actionarrays);



        ActionBar actionBar = getActionBar();



        actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);

        actionBar.setListNavigationCallbacks(adapter,

                new OnNavigationListener() {



                    @SuppressLint("ShowToast")

                    @Override

                    public boolean onNavigationItemSelected(int itemPosition,

                            long itemId) {

                        Toast.makeText(ListActionBarActivity.this,

                                arrys[itemPosition], 200).show();

                        return true;

                    }

                });

    }



}

/res/values/strings.xml

<?xml version="1.0" encoding="utf-8"?>

<resources>



    <string name="app_name">Android_ActionBar</string>

    <string name="action_settings">Settings</string>

    <string name="hello_world">Hello world!</string>



    <string-array name="actionarrays">

        <item>item1</item>

        <item>item2</item>

        <item>item3</item>

        <item>item4</item>

    </string-array>



</resources>