Collect client error messages

public class CrashApplication extends Application {@Overridepublic void onCreate() {super.onCreate();MyUncaughtExceptionHandler handler = MyUncaughtExceptionHandler.getInstance();handler.init(getApplicationContext());Thread.currentThread().setUncaughtExceptionHandler(handler);}}

Public class implements uncaughtexceptionhandler {Private Static implements handler; private context; private implements () {} public static synchronized myuncaughtexceptionhandler getinstance () {If (handler = NULL) {handler = new myuncaughtexceptionhandler (); Return handler;} else {return handler ;}} public void Init (context) {th Is. Context = context ;}@ overridepublic void uncaughtexception (thread, throwable ex) {try {system. Out. println ("an error occurred! "); Stringbuilder sb = new stringbuilder (); // obtain the version packagemanager = context. getpackagemanager (); packageinfo = packagemanager. getpackageinfo (context. getpackagename (), 0); string versionname = packageinfo. versionname; sb. append ("program version:" + versionname ). append ("\ n"); // obtain the device information field [] fields = build. class. getdeclaredfields (); For (INT I = 0; I <fields. length; I ++) {fields [I]. setaccessible (true); string name = Fields [I]. getname (); string value = Fields [I]. get (null ). tostring (); sb. append (name + "=" + value ). append ("\ n") ;}// get error message stringwriter wR = new stringwriter (); printwriter err = new printwriter (WR); Ex. printstacktrace (ERR); string MSG = Wr. tostring (); sb. append (MSG); system. out. println (sb. tostring (); // upload server (not implemented)} catch (exception e) {e. printstacktrace ();} // process suicide android. OS. process. killprocess (Android. OS. process. mypid ());}}