Dialog not displaying from fragmentActivity in android -


i want display dialog inside class extends fragmentactivity.i have tried in many ways.atlast tried this link. have tried samething iam getting following error message.

  05-14 10:15:28.821: e/androidruntime(2927): java.lang.illegalstateexception: activity has been destroyed   05-14 10:15:28.821: e/androidruntime(2927):   @   android.support.v4.app.fragmentmanagerimpl.enqueueaction(fragmentmanager.java:1342)   05-14 10:15:28.821: e/androidruntime(2927):   @ android.support.v4.app.backstackrecord.commitinternal(backstackrecord.java:595)   05-14 10:15:28.821: e/androidruntime(2927):   @ android.support.v4.app.backstackrecord.commit(backstackrecord.java:574)   05-14 10:15:28.821: e/androidruntime(2927):   @ android.support.v4.app.dialogfragment.show(dialogfragment.java:127)   05-14 10:15:28.821: e/androidruntime(2927):   @ com.sriseshaa.ecgviewer.fragmenttabactivity$1$1.run(fragmenttabactivity.java:70)   05-14 10:15:28.821: e/androidruntime(2927):   @ android.os.handler.handlecallback(handler.java:725)   05-14 10:15:28.821: e/androidruntime(2927):   @ android.os.handler.dispatchmessage(handler.java:92)   05-14 10:15:28.821: e/androidruntime(2927):   @ android.os.looper.loop(looper.java:137)   05-14 10:15:28.821: e/androidruntime(2927):   @ android.app.activitythread.main(activitythread.java:5039)   05-14 10:15:28.821: e/androidruntime(2927):   @ java.lang.reflect.method.invokenative(native method)   05-14 10:15:28.821: e/androidruntime(2927):   @ java.lang.reflect.method.invoke(method.java:511)   05-14 10:15:28.821: e/androidruntime(2927):   @ com.android.internal.os.zygoteinit$methodandargscaller.run(zygoteinit.java:793)   05-14 10:15:28.821: e/androidruntime(2927):   @ com.android.internal.os.zygoteinit.main(zygoteinit.java:560)   05-14 10:15:28.821: e/androidruntime(2927):   @ dalvik.system.nativestart.main(native method)

fragmenttabactivity.java:70 

   adfragment.show(getsupportfragmentmanager(), "dialog");

i have called dialog following code snippet

          bundle bundle = new bundle();             bundle.putstring("title", "message");             bundle.putstring("message", statichelper.l);             bundle.putstring("positive", "ok");             bundle.putstring("negative", "cancel");             // bundle.putint("id", mindex++);             alertdialogfragment adfragment = new alertdialogfragment();             adfragment.setarguments(bundle);             adfragment.show(getsupportfragmentmanager(), "dialog");

what have missed? , problem in this? please me.thank u!!

if want display alertdialog problem of using alertdialog.builder following.

    alertdialog.builder dialog = new alertdialog.builder(this);     dialog.seticon(r.drawable.ic_launcher);     dialog.settitle("title");     dialog.setmessage("message");     dialog.setpositivebutton("yes", new dialoginterface.onclicklistener() {         public void onclick(dialoginterface dialog, int id) {          }        });        dialog.setnegativebutton("no", new dialoginterface.onclicklistener() {             public void onclick(dialoginterface dialog, int id) {                 dialog.dismiss();             }       });       dialog.show();

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