Android开发中PopupWindow用法实例分析
本文实例分析了Android开发中PopupWindow用法。分享给大家供大家参考,具体如下:
privateTextViewtv_appmanager_title; privateListViewlv_app_manager; privateLinearLayoutll_appmanager_loading; privateAppManagerProviderprovider; privateList<AppManagerInfo>infos; privateAppManagerAdapteradapter; privatePopupWindowlocalPopupWindow; privateHandlerhandler=newHandler(){ publicvoidhandleMessage(android.os.Messagemsg){ switch(msg.what){ caseConstants.MSG_APP_MANAGER: ll_appmanager_loading.setVisibility(View.INVISIBLE); adapter=newAppManagerAdapter(infos,AppManagerActivity.this); lv_app_manager.setAdapter(adapter); break; } }; }; @Override protectedvoidonCreate(BundlesavedInstanceState){ super.onCreate(savedInstanceState); setContentView(R.layout.appmanager); lv_app_manager=(ListView)this.findViewById(R.id.lv_app_manager); ll_appmanager_loading=(LinearLayout)this.findViewById(R.id.ll_appmanager_loading); ll_appmanager_loading.setVisibility(View.VISIBLE); newThread(){ publicvoidrun(){ provider=newAppManagerProvider(AppManagerActivity.this); infos=provider.getAppManagerInfo(); Messagemsg=newMessage(); msg.what=Constants.MSG_APP_MANAGER; handler.sendMessage(msg); }; }.start(); lv_app_manager.setOnItemClickListener(newOnItemClickListener(){ @Override publicvoidonItemClick(AdapterView<?>parent,Viewview, intposition,longid){ if(null!=localPopupWindow){ localPopupWindow.dismiss(); localPopupWindow=null; } int[]location=newint[2]; view.getLocationInWindow(location); intx=location[0]+60; inty=location[1]; TextViewtv=newTextView(AppManagerActivity.this); AppManagerInfoinfo=(AppManagerInfo)lv_app_manager.getItemAtPosition(position); tv.setText(info.getPackName()); tv.setTextSize(20); tv.setTextColor(Color.RED); localPopupWindow=newPopupWindow(tv,LayoutParams.WRAP_CONTENT,LayoutParams.WRAP_CONTENT); Drawablebackground=newColorDrawable(Color.GRAY); localPopupWindow.setBackgroundDrawable(background); localPopupWindow.showAtLocation(tv,51,x,y); } }); lv_app_manager.setOnScrollListener(newOnScrollListener(){ @Override publicvoidonScrollStateChanged(AbsListViewview,intscrollState){ if(null!=localPopupWindow){ localPopupWindow.dismiss(); localPopupWindow=null; } } @Override publicvoidonScroll(AbsListViewview,intfirstVisibleItem, intvisibleItemCount,inttotalItemCount){ if(null!=localPopupWindow){ localPopupWindow.dismiss(); localPopupWindow=null; } } }); }
更多关于Android相关内容感兴趣的读者可查看本站专题:《Android开发入门与进阶教程》、《Android通信方式总结》、《Android基本组件用法总结》、《Android视图View技巧总结》、《Android布局layout技巧总结》及《Android控件用法总结》
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