android Menu 菜單使用總結

 

閱讀之後簡單寫其中的某些功能，先貼圖：

 

第一步：

相關代碼：

 

第二步：

 

代碼中的實現：

 

package com.jiaruihuademo.testmenu;

import java.util.ArrayList;
import java.util.List;

import android.os.Bundle;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnCreateContextMenuListener;
import android.widget.AdapterView;
import android.widget.AdapterView.AdapterContextMenuInfo;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.PopupMenu;
import android.widget.PopupMenu.OnMenuItemClickListener;
import android.widget.Toast;

/**
 * 
 * menu 的簡單使用
 * 
 * @author JiaRH
 * 
 * @date 2013-12-30 上午9:55:29
 */
@SuppressLint(NewApi)
public class MainActivity extends Activity implements OnMenuItemClickListener,
		OnCreateContextMenuListener, OnItemClickListener {

	private ListView listview;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);

		listview = (ListView) findViewById(R.id.listView1);
		List list = new ArrayList();
		for (int i = 0; i < 20; i++) {

			list.add(i + );
		}
		listview.setAdapter(new ArrayAdapter(this,
				android.R.layout.simple_list_item_1, list));

		listview.setOnItemClickListener(this);

	}

	/**
	 * 創建popviewMenu
	 * 
	 * @param v
	 */
	@SuppressLint(NewApi)
	public void showpop(View v) {
		PopupMenu popup = new PopupMenu(this, v);
		MenuInflater inflater = popup.getMenuInflater();
		inflater.inflate(R.menu.main, popup.getMenu());
		popup.setOnMenuItemClickListener(this);
		popup.show();

	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.main, menu);
		return true;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see android.app.Activity#onOptionsItemSelected(android.view.MenuItem)
	 */
	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
		switch (item.getItemId()) {
		case R.id.item1:
			Toast.makeText(this, you have clicked 1 , 0).show();
			break;
		case R.id.item2:
			Toast.makeText(this, you have clicked 2 , 0).show();
			break;
		case R.id.item3:
			Toast.makeText(this, you have clicked 3 , 0).show();
			break;
		case R.id.item4:
			Toast.makeText(this, you have clicked 4 , 0).show();
			break;

		default:
			break;
		}
		return super.onOptionsItemSelected(item);
	}

	/**
	 * 響應popmenu的點擊事件
	 */
	@Override
	public boolean onMenuItemClick(MenuItem item) {
		switch (item.getItemId()) {
		case R.id.item1:
			Toast.makeText(this, you have clicked 1 , 0).show();
			break;
		case R.id.item2:
			Toast.makeText(this, you have clicked 2 , 0).show();
			break;
		case R.id.item3:
			Toast.makeText(this, you have clicked 3 , 0).show();
			break;
		case R.id.item4:
			Toast.makeText(this, you have clicked 4 , 0).show();
			break;

		default:
			break;
		}
		return false;
	}

	/**
	 * listview響應事件
	 */
	@Override
	public void onItemClick(AdapterView parent, View view, int position,
			long id) {
		// TODO Auto-generated method stub
		registerForContextMenu(view);

	}

	@Override
	public void onCreateContextMenu(ContextMenu menu, View v,
			ContextMenuInfo menuInfo) {
		super.onCreateContextMenu(menu, v, menuInfo);
		MenuInflater inflater = getMenuInflater();
		inflater.inflate(R.menu.main, menu);
	}

	@Override
	public boolean onContextItemSelected(MenuItem item) {
		AdapterContextMenuInfo info = (AdapterContextMenuInfo) item
				.getMenuInfo();
		switch (item.getItemId()) {
		case R.id.item1:
			Toast.makeText(this, you have clicked 1 , 0).show();
			return true;
		case R.id.item2:
			Toast.makeText(this, you have clicked 2 , 0).show();
			return true;
		case R.id.item3:
			Toast.makeText(this, you have clicked 3 , 0).show();
			return true;
		case R.id.item4:
			Toast.makeText(this, you have clicked 4 , 0).show();
			return true;
		default:
			return super.onContextItemSelected(item);
		}
	}
}

第三步;附上佈局文件：

 

 

備註;

 

我使用的

<uses-sdk
android:minSdkVersion=8
android:targetSdkVersion=18 /></uses-sdk