教你如何创建类似QQ的android弹出菜单

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Android人才招聘——最新招聘

大家可能看到 android 的自带的系统菜单比较难看,如图:

 

很多应用都自己定义了系统菜单,

QQ游览器

手机QQ

我今天做的就是类似手机QQ的菜单,效果图如下:

这是我用PopupWindow重写一个菜单 ,popupwindow实现弹出菜单功能非常实用，在有布局中经常出现，给用户体验非常不错 ，主要是控制菜单的显示和消失(动画控制)，另外对文字和图片(大小最好都一样，否则最后效果有点难看)分别做了适配，其中对文字的长度进行了处理。

下面不用多说,进行代码.需要提一下的是,屏蔽一下系统菜单,需要下面两步1. 需要创建至少一个系统菜单选项

2. 在onMenuOpened方法里显示自己的菜单视图，并返回FALSE

package cn.mxgsa.menu;import java.util.List;import android.app.Activity;import android.os.Bundle;import android.view.Gravity;import android.view.KeyEvent;import android.view.Menu;import android.view.View;import android.view.ViewGroup.LayoutParams;import android.widget.AdapterView;import android.widget.AdapterView.OnItemClickListener;import android.widget.GridView;import android.widget.PopupWindow;import android.widget.Toast;public class MenuLikeQQActivity extends Activity {/*** 定义popupwindow*/private PopupWindow popup;/*** 定义适配器*/private MenuAdapter menuAdapter;//菜单项列表private List<MenuInfo> menulists;//定义gridviewprivate GridView menuGridView;/** Called when the activity is first created. */@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.main);initPopuWindows();}@Overridepublic boolean onCreateOptionsMenu(Menu menu) {// TODO Auto-generated method stubreturn true;}/*** 设置PopupWindows*/private void initPopuWindows() {//初始化gridviewmenuGridView=(GridView)View.inflate(this, R.layout.gridview_menu, null);//初始化PopupWindow,LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT控制显示popup = new PopupWindow(menuGridView, LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT);// 设置menu菜单背景popup.setBackgroundDrawable(getResources().getDrawable(R.drawable.menu_background));// menu菜单获得焦点 如果没有获得焦点menu菜单中的控件事件无法响应popup.setFocusable(true);//设置显示和隐藏的动画popup.setAnimationStyle(R.style.menushow);popup.update();//设置触摸获取焦点menuGridView.setFocusableInTouchMode(true);//设置键盘事件,如果按下菜单键则隐藏菜单menuGridView.setOnKeyListener(new android.view.View.OnKeyListener() {public boolean onKey(View v, int keyCode, KeyEvent event) {// TODO Auto-generated method stubif ((keyCode == KeyEvent.KEYCODE_MENU) && (popup.isShowing())) {popup.dismiss();return true;}return false;}});//添加菜单按钮事件menuGridView.setOnItemClickListener(new OnItemClickListener() {public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) {// TODO Auto-generated method stubMenuInfo mInfo = menulists.get(arg2);popup.dismiss();if (mInfo.ishide) {return;}switch (mInfo.menuId) {case MenuUtils.MENU_ADD_FRIEND:Toast.makeText(MenuLikeQQActivity.this, "添加好友", 1).show();break;case MenuUtils.MENU_ADD_GROUP:Toast.makeText(MenuLikeQQActivity.this, "添加分组", 1).show();break;case MenuUtils.MENU_EXIT:Toast.makeText(MenuLikeQQActivity.this, "退出应用", 1).show();break;case MenuUtils.MENU_GROUP_ACCURATE:break;case MenuUtils.MENU_GROUP_CATEGORY:break;case MenuUtils.MENU_HELP:Toast.makeText(MenuLikeQQActivity.this, "检查更新", 1).show();break;case MenuUtils.MENU_LOGOUT:Toast.makeText(MenuLikeQQActivity.this, "切换用户", 1).show();break;case MenuUtils.MENU_SERCH_FRIEND:Toast.makeText(MenuLikeQQActivity.this, "搜索好友", 1).show();break;case MenuUtils.MENU_SETTING:Toast.makeText(MenuLikeQQActivity.this, "设置", 1).show();break;}}});}@Overridepublic boolean onMenuOpened(int featureId, Menu menu) {// TODO Auto-generated method stubif (popup != null) {menulists = MenuUtils.getMenuList();menuAdapter = new MenuAdapter(this, menulists);menuGridView.setAdapter(menuAdapter);popup.showAtLocation(this.findViewById(R.id.linearlayout), Gravity.BOTTOM, 0, 0);}return false;// 返回为true 则显示系统menu}@Overridepublic boolean onPrepareOptionsMenu(Menu menu) {// TODO Auto-generated method stubmenu.add("menu");return super.onPrepareOptionsMenu(menu);}}

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