"Reprint" General application completely quit the app to get a crash exception, save the error log, and restart the app

Reprint Address: http://zheyiw.iteye.com/blog/1670990

Personal Note: general application1, collect all avtivity to completely exit the application2, catch the crash exception, save the error log, and restart the app Public classHkbaseapplicationextendsApplication {//Activity object list for unified management of activity    PrivateList<activity>activitylist; //Exception Capture    protected BooleanIsneedcaughtexeption =true;//whether to catch unknown exceptions    Privatependingintent restartintent; PrivateMyuncaughtexceptionhandler Uncaughtexceptionhandler; PrivateString Packgename; @Override Public voidonCreate () {Super. OnCreate (); Activitylist=NewArraylist<activity>(); Packgename=Getpackagename (); if(isneedcaughtexeption) {cauchexception (); }    }    //Restart the system after-------------------exception capture-----catch Exception-----------------//    Private voidcauchexception () {Intent Intent=NewIntent (); //parameter 1: Package name, Parameter 2: Activity at the program entryIntent.setclassname (Packgename, Packgename + ". Loginactivity "); Restartintent= Pendingintent.getactivity (Getapplicationcontext (), 1, intent, intent.flag_activity_new_task); //trigger thread When program crashesUncaughtexceptionhandler =NewMyuncaughtexceptionhandler ();    Thread.setdefaultuncaughtexceptionhandler (Uncaughtexceptionhandler); }    //Create a service to catch a crash exception    Private classMyuncaughtexceptionhandlerImplementsUncaughtexceptionhandler {@Override Public voiduncaughtexception (thread thread, Throwable ex) {//Save error logSavecatchinfo2file (ex); //Restart the app after 1 secondsAlarmmanager mgr =(Alarmmanager) Getsystemservice (Context.alarm_service); Mgr.set (ALARMMANAGER.RTC, System.currenttimemillis ()+ 1000, restartintent); //Close the current appfinishallactivity ();        Finishprogram ();    }    }; /*** Save the error message to the file * *@returnreturn file name*/    PrivateString Savecatchinfo2file (Throwable ex) {writer writer=NewStringWriter (); PrintWriter PrintWriter=NewPrintWriter (writer);        Ex.printstacktrace (PrintWriter); Throwable cause=Ex.getcause ();  while(Cause! =NULL) {cause.printstacktrace (printwriter); Cause=Cause.getcause ();        } printwriter.close (); String SB=writer.tostring (); Try{DateFormat Formatter=NewSimpleDateFormat ("Yyyy-mm-dd-hh-mm-ss"); String Time= Formatter.format (NewDate ()); String FileName= time + ". txt"; System.out.println ("FileName:" +fileName); if(Environment.getexternalstoragestate (). Equals (environment.media_mounted)) {String FilePath= Environment.getexternalstoragedirectory () + "/hkdownload/" +Packgename+ "/crash/"; File dir=NewFile (FilePath); if(!dir.exists ()) {                    if(!Dir.mkdirs ()) {                        //failed to create directory: generally because the SD card is unplugged                        return""; }} System.out.println ("FilePath + fileName:" + FilePath +fileName); FileOutputStream Fos=NewFileOutputStream (FilePath +fileName);                Fos.write (Sb.getbytes ());                Fos.close (); //after the file is saved, check the error log when the application is started, and find the new error log, send it to the developer            }            returnFileName; } Catch(Exception e) {System.out.println ("An error occured while writing file ..." +e.getmessage ()); }        return NULL; }    //------------------------------Activity Management-----------------------//    //Activity Management: Remove activity from the list     Public voidremoveactivity (activity activity) {activitylist.remove (activity); }    //activity Management: Adding activity to the list     Public voidaddactivity (activity activity) {Activitylist.add (activity); }    //activity Management: End all activity     Public voidfinishallactivity () { for(Activity activity:activitylist) {if(NULL!=activity)            {activity.finish (); }        }    }    //end thread, typically used with finishallactivity ()//For example: Finishallactivity;finishprogram ();     Public voidFinishprogram () {android.os.Process.killProcess (Android.os.Process.myPid ()); }}

"Reprint" General application completely quit the app to get a crash exception, save the error log, and restart the app