android - Textview setText from EditText in alert dialog -

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  • what's wrong code? application has been stopped.

       public void names (view v) {        alertdialog.builder alert = new alertdialog.builder(this);        layoutinflater inflater = getlayoutinflater();        alert.setview(inflater.inflate(r.layout.dialog_signin, null));        alert.settitle("set players names");        alert.setpositivebutton(r.string.ok, new dialoginterface.onclicklistener() {            public void onclick(dialoginterface dialog, int id) {                textview j=(textview)findviewbyid(r.id.textview2);                textview k=(textview)findviewbyid(r.id.textview3);                edittext l=(edittext)findviewbyid(r.id.player1);                edittext m=(edittext)findviewbyid(r.id.player2);                string name1 = l.gettext().tostring();                string name2 = m.gettext().tostring();                j.settext(name1);                k.settext(name2);            }        });        alertdialog dialog = alert.create();        dialog.show();       }

    logcat:

    06-08 18:07:20.613: d/libegl(20332): loaded /vendor/lib/egl/libegl_adreno.so 06-08 18:07:20.613: d/libegl(20332): loaded /vendor/lib/egl/libglesv1_cm_adreno.so 06-08 18:07:20.623: d/libegl(20332): loaded /vendor/lib/egl/libglesv2_adreno.so 06-08 18:07:20.623: i/adreno-egl(20332): : egl 1.4 qualcomm build: (cl4169980) 06-08 18:07:20.623: i/adreno-egl(20332): opengl es shader compiler version: 17.01.10.spl 06-08 18:07:20.623: i/adreno-egl(20332): build date: 12/01/13 sun 06-08 18:07:20.623: i/adreno-egl(20332): local branch: 06-08 18:07:20.623: i/adreno-egl(20332): remote branch: 06-08 18:07:20.623: i/adreno-egl(20332): local patches: 06-08 18:07:20.623: i/adreno-egl(20332): reconstruct branch: 06-08 18:07:20.673: d/openglrenderer(20332): enabling debug mode 0 06-08 18:07:26.448: d/androidruntime(20332): shutting down vm 06-08 18:07:26.458: w/dalvikvm(20332): threadid=1: thread exiting uncaught exception (group=0x415898b0) 06-08 18:07:26.458: e/androidruntime(20332): fatal exception: main 06-08 18:07:26.458: e/androidruntime(20332): java.lang.nullpointerexception 06-08 18:07:26.458: e/androidruntime(20332): @ com.example.game.mainactivity$1.onclick(mainactivity.java:87) 06-08 18:07:26.458: e/androidruntime(20332): @ com.android.internal.app.alertcontroller$buttonhandler.handlemessage(alertcontroller.java:171) 06-08 18:07:26.458: e/androidruntime(20332): @ android.os.handler.dispatchmessage(handler.java:99) 06-08 18:07:26.458: e/androidruntime(20332): @ android.os.looper.loop(looper.java:213) 06-08 18:07:26.458: e/androidruntime(20332): @ android.app.activitythread.main(activitythread.java:5225) 06-08 18:07:26.458: e/androidruntime(20332): @ java.lang.reflect.method.invokenative(native method) 06-08 18:07:26.458: e/androidruntime(20332): @ java.lang.reflect.method.invoke(method.java:525) 06-08 18:07:26.458: e/androidruntime(20332): @ com.android.internal.os.zygoteinit$methodandargscaller.run(zygoteinit.java:741) 06-08 18:07:26.458: e/androidruntime(20332): @ com.android.internal.os.zygoteinit.main(zygoteinit.java:557) 06-08 18:07:26.458: e/androidruntime(20332): @ dalvik.system.nativestart.main(native method)

    1.      06-08 18:15:27.578: d/androidruntime(20809): shutting down vm            06-08 18:15:27.578: w/dalvikvm(20809): threadid=1: thread exiting uncaught exception (group=0x415898b0)            06-08 18:15:27.578: e/androidruntime(20809): fatal exception: main            06-08 18:15:27.578: e/androidruntime(20809): java.lang.nullpointerexception            06-08 18:15:27.578: e/androidruntime(20809):     @ com.example.game.mainactivity$1.onclick(mainactivity.java:92)            06-08 18:15:27.578: e/androidruntime(20809):     @ com.android.internal.app.alertcontroller$buttonhandler.handlemessage(alertcontroller.java:171)            06-08 18:15:27.578: e/androidruntime(20809):     @ android.os.handler.dispatchmessage(handler.java:99)            06-08 18:15:27.578: e/androidruntime(20809):     @ android.os.looper.loop(looper.java:213)            06-08 18:15:27.578: e/androidruntime(20809):     @ android.app.activitythread.main(activitythread.java:5225)            06-08 18:15:27.578: e/androidruntime(20809):     @ java.lang.reflect.method.invokenative(native method)            06-08 18:15:27.578: e/androidruntime(20809):     @ java.lang.reflect.method.invoke(method.java:525)            06-08 18:15:27.578: e/androidruntime(20809):     @ com.android.internal.os.zygoteinit$methodandargscaller.run(zygoteinit.java:741)            06-08 18:15:27.578: e/androidruntime(20809):     @ com.android.internal.os.zygoteinit.main(zygoteinit.java:557)            06-08 18:15:27.578: e/androidruntime(20809):     @ dalvik.system.nativestart.main(native method)            06-08 18:15:29.079: i/process(20809): sending signal. pid: 20809 sig: 9

you must getting npe on getting values edittext

try following :

final view mylayout = inflater.inflate(r.layout.dialog_screen, null);     alert.setview(mylayout);     alert.settitle("set players names");      alert.setpositivebutton("ok", new dialoginterface.onclicklistener() {         public void onclick(dialoginterface dialog, int id) {             textview j=(textview)mylayout.findviewbyid(r.id.textview2);             textview k=(textview)mylayout.findviewbyid(r.id.textview3);             edittext l=(edittext)mylayout.findviewbyid(r.id.player1);             edittext m=(edittext)mylayout.findviewbyid(r.id.player2);             string name1 = l.gettext().tostring();             string name2 = m.gettext().tostring();             j.settext(name1);             k.settext(name2);             log.i("j"+name1, "k"+name2);         }     });

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