教你如何创建类似QQ的android弹出菜单
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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gridview private GridView menuGridView; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); initPopuWindows(); } @Override public boolean onCreateOptionsMenu(Menu menu) { // TODO Auto-generated method stub return true; } /** * 设置PopupWindows */ private void initPopuWindows() { //初始化gridview menuGridView=(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 stub if ((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 stub MenuInfo 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; } } }); } @Override public boolean onMenuOpened(int featureId, Menu menu) { // TODO Auto-generated method stub if (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 } @Override public boolean onPrepareOptionsMenu(Menu menu) { // TODO Auto-generated method stub menu.add("menu"); return super.onPrepareOptionsMenu(menu); } }