Android Development (26)--application

Application

 Packagecom.lgaoxiao.application;Importjava.util.LinkedList;Importjava.util.List;Importandroid.app.Activity;Importandroid.app.Application;/*** A class used to end all background activity * *@authorAdministrator *@see http://java--hhf.iteye.com/blog/1826880 *  */ Public classSysapplicationextendsApplication {//using lists to keep each activity is key    PrivateList<activity> mlist =NewLinkedlist<activity>(); //to implement a static object that is created every time you use the class without creating a new object    Private StaticSysapplication instance; //Construction Method    Privatesysapplication () {}//Instantiate once     Public synchronized Staticsysapplication getinstance () {if(NULL==instance) {Instance=Newsysapplication (); }        returninstance; }    //Add Activity     Public voidaddactivity (activity activity) {Mlist.add (activity); }    //close each activity in the list     Public voidexit () {Try {             for(Activity activity:mlist) {if(Activity! =NULL) Activity.finish (); }        } Catch(Exception e) {e.printstacktrace (); } finally{system.exit (0); }    }    //Kill Process     Public voidonlowmemory () {Super. Onlowmemory ();    System.GC (); }}

Android Development (26)--application