Android application force closed while exiting the application -


another problem in android application. when click on home button, exits application saying sorry, application has stopped unexpectedly

the code home button is

imageview home  =   (imageview)findviewbyid(r.id.home1);     home.setonclicklistener(new onclicklistener() {          @override         public void onclick(view arg0) {             // todo auto-generated method stub             kalma1.stop();             intent =new intent(kalma1.this, null);             i.setflags(intent.flag_activity_clear_top);             finish();         }     });

and console says following

gc_external_alloc freed 1110 objects / 70984 bytes in 77ms shutting down vm threadid=1: thread exiting uncaught exception (group=0x4001d800) fatal exception: main java.lang.nullpointerexception @ android.content.componentname.<init>(componentname.java:76) @ android.content.intent.<init>  (intent.java:2678) @ com.kalmas.kalma1$5.onclick(kalma1.java:74) @ android.view.view.performclick(view.java:2408) @ android.view.view$performclick.run(view.java:8816) @ android.os.handler.handlecallback(handler.java:587) @  android.os.handler.dispatchmessage(handler.java:92) @ android.os.looper.loop(looper.java:123) @ android.app.activitythread.main(activitythread.java:4627) @  java.lang.reflect.method.invokenative(native method) @ java.lang.reflect.method.invoke(method.java:521) @ com.android.internal.os.zygoteinit$methodandargscaller.run(zygoteinit.java:868) @ com.android.internal.os.zygoteinit.main(zygoteinit.java:626) @ dalvik.system.nativestart.main(native method) sending signal. pid: 368 sig: 9

if want finish activity dont use intent write finish()

home.setonclicklistener(new onclicklistener() {          @override         public void onclick(view arg0) {             // todo auto-generated method stub              finish();         }     });

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