java - Android Timer SPAN_EXCLUSIVE_EXCLUSIVE spans cannot have a zero length -

after looking fo ther error @ least @ fourm , found answers speak 3rd party device keyborad or somthing caused it(samsung devices @ least)(iam using 1 plus one). ive setted timer 10 seconds , every time reached 3rd time of runnig (i refresh activity) got error span_exclusive_exclusive spans cannot have 0 length.

timerattack class code:

@suppresslint("newapi") public class timeattack extends activity implements animationlistener {  string pic;//תמונה של הדגל button answer1;//תשובות button answer2; button answer3; button answer4; button hint; textview guess; textview numofguess; textview score; textview scorenum; textview textviewtime; mediaplayer mphint; mediaplayer mpnext; mediaplayer mpwrong; animation animationfadein; animation animationfadeout; string fn; guesses g; score s; timer t; button [] b = new button[4]; databasehandler db = new databasehandler(this); list<string>wronganswers=new arraylist<string>(); int countg=0;//count guesses int counta=0;//count right answers int countq=0;//count questions  @suppresslint("newapi") @override protected void oncreate(bundle savedinstancestate) {     super.oncreate(savedinstancestate);     setcontentview(r.layout.activity_third);      actionbar actionbar = getactionbar();     actionbar.setdisplayhomeasupenabled(true);     score =(textview)findviewbyid(r.id.score);     scorenum =(textview)findviewbyid(r.id.scorenum);     scorenum.settext(string.valueof(s.score));     guess =(textview)findviewbyid(r.id.guesses);     numofguess=(textview)findviewbyid(r.id.numofguesses);     numofguess.settext(string.valueof(guesses.numofguesses));     textviewtime = (textview) findviewbyid(r.id.textviewtime);     hint =(button)findviewbyid(r.id.hint);     hint.setonclicklistener(hintonclicklistener);     mphint = mediaplayer.create(this,r.raw.hint_sound);     mpnext = mediaplayer.create(this, r.raw.next_flag);     mpwrong = mediaplayer.create(this, r.raw.wrong_answer);     animationfadein = animationutils.loadanimation(this, r.anim.fade_in);     animationfadeout = animationutils.loadanimation(this, r.anim.fade_out);      textviewtime.settext(t.time);     final counterclass timer = new counterclass(11000, 1000);      timer.start();      flags f = new flags();     random r = new random();//הדגל שיבחר לשאלה     int num = r.nextint(160);//up      f = db.getflag(num);//הצגת הדגל הרנדומלי שיצא     fn = f.getname().tostring();     pic = f.getimage().tostring();     pic_view(pic);//מעבר לפונקציה להשמת התמונה של הדגל במשחק      //מערך ארבע כפתורים כנגד ארבע תשובות      b[0] = (button)findviewbyid(r.id.button1);     b[1] = (button)findviewbyid(r.id.button2);     b[2] = (button)findviewbyid(r.id.button3);     b[3] = (button)findviewbyid(r.id.button4);      list<string>answers=new arraylist<string>();//מערך תשובות      answers.add(f.getname().tostring());//הוספת התשובה הנכונה     for(int i=1;i<4;i++)     {         num = r.nextint(200);         string valtoadd1 = db.getflag(num).getname().tostring();         if(!answers.contains(valtoadd1)){             wronganswers.add(valtoadd1);             answers.add(valtoadd1);         }      }      collections.shuffle(answers);//ערבוב התשובות      for(int i=0;i<answers.size();i++)     {         b[i].settext(answers.get(i));//השמת התשובות מהמהערך למערך הכפתורים         b[i].startanimation(animationfadein);     }  }//end of oncreat   public boolean onoptionsitemselected(menuitem item){//actionbar activity     intent myintent = new intent(getapplicationcontext(), mainactivity.class);     startactivityforresult(myintent, 0);     return true; }  @suppresslint("newapi") public void resetquiz() {     countq++;     recreate(); }  private onclicklistener hintonclicklistener = new onclicklistener() {      @override     public void onclick(view v) {         // todo auto-generated method stub         mphint.start();         /*if(guesses.numofguesses==1)         {             g.setnumofguesses(3);             finish();//כאשר מספר הניחושים             return;         }         else*/         g.numofguesses++;         numofguess.settext(string.valueof(guesses.numofguesses));          int invisblecount=0;         for(int i=0;i<b.length;i++){             if(invisblecount<2){                 string buttontext = b[i].gettext().tostring();                   if(buttontext.equals(wronganswers.get(0))||buttontext.equals(wronganswers.get(1)))                 {                     b[i].startanimation(animationfadeout);                     b[i].setvisibility(view.invisible);                     invisblecount++;                 }             }         }     } };  public void check(view v) {     log.d("yes", fn);     button b = (button)v;     string text = b.gettext().tostring();     if(text.equals(fn))     {         mpnext.start();         s.score+=5;         resetquiz();     }     else     {         mpwrong.start();         guesses.numofguesses++;         countg=guesses.numofguesses;         /*if(guesses.numofguesses==1)         {             //g.setnumofguesses(3);             //finish();//כאשר מספר הניחושים             return;         }else             guesses.numofguesses--;*/         if(s.score>0)             s.score-=5;         scorenum.settext(string.valueof(s.score));         numofguess.settext(string.valueof(guesses.numofguesses));     }  }  @override public boolean oncreateoptionsmenu(menu menu) {     // inflate menu; adds items action bar if present.     getmenuinflater().inflate(r.menu.second, menu);     return true; }  private void pic_view(string pic2) {     // todo auto-generated method stub     //גישה לדגל לפי שמו וייבוא התמונה     log.d("result pic function " , pic2);     imageview imageview = (imageview)findviewbyid(r.id.imageview1);     string uri ="@drawable/";     uri += pic2;         int imageresource = getresources().getidentifier(uri, pic2, getpackagename());//הצוות התמונה      drawable res= getresources().getdrawable(imageresource);//ציור התמונה     imageview.setimagedrawable(res); }   @override public void onanimationend(animation animation) {     // todo auto-generated method stub     toast.maketext(getbasecontext(), "animatoin stoped", toast.length_short).show(); }   @override public void onanimationrepeat(animation animation) {     // todo auto-generated method stub  }   public void onanimationstart(animation animation) {     // todo auto-generated method stub  }  public class counterclass extends countdowntimer {      public counterclass(long millisinfuture, long countdowninterval) {         super(millisinfuture, countdowninterval);         // todo auto-generated constructor stub     }      @suppresslint("newapi")     @targetapi(build.version_codes.gingerbread)     @override     public void ontick(long millisuntilfinished) {         // todo auto-generated method stub          long millis = millisuntilfinished;         string hms = string.format("%02d:%02d:%02d", timeunit.milliseconds.tohours(millis),                 timeunit.milliseconds.tominutes(millis) - timeunit.hours.tominutes(timeunit.milliseconds.tohours(millis)),                 timeunit.milliseconds.toseconds(millis) - timeunit.minutes.toseconds(timeunit.milliseconds.tominutes(millis)));         system.out.println(hms);         textviewtime.settext(hms);     }      @override     public void onfinish() {         // todo auto-generated method stub         log.d("time", "more" + textviewtime.gettext().tostring());         toast toast = toast.maketext(getapplicationcontext(), "time's lets see made far...", toast.length_short);         toast.show();         intent en = new intent(timeattack.this,person.class);         string = scorenum.gettext().tostring();         en.putextra("score",extra);         startactivity(en);     }  } } 

stacktrace:

04-26 11:26:15.590: i/system.out(5670): 00:00:08 04-26 11:26:15.610: i/system.out(5670): 00:00:03 04-26 11:26:16.590: i/system.out(5670): 00:00:07 04-26 11:26:16.620: i/system.out(5670): 00:00:02 04-26 11:26:17.590: i/system.out(5670): 00:00:06 04-26 11:26:17.630: i/system.out(5670): 00:00:01 04-26 11:26:18.590: i/system.out(5670): 00:00:05 04-26 11:26:19.130: d/yes(5670): finland 04-26 11:26:19.320: d/into(5670): com.example.flagsgame.flags@42cc7998 04-26 11:26:19.320: d/into(5670): 147 04-26 11:26:19.320: d/result pic function(5670): palau 04-26 11:26:19.420: d/into(5670): com.example.flagsgame.flags@428a6720 04-26 11:26:19.420: d/into(5670): 119 04-26 11:26:19.460: d/into(5670): com.example.flagsgame.flags@42d8f3d0 04-26 11:26:19.460: d/into(5670): 37 04-26 11:26:19.490: d/into(5670): com.example.flagsgame.flags@42b7ff38 04-26 11:26:19.490: d/into(5670): 183 04-26 11:26:19.510: e/mediaplayer(5670): should have subtitle controller set 04-26 11:26:19.510: e/mediaplayer(5670): should have subtitle controller set 04-26 11:26:19.510: e/mediaplayer(5670): should have subtitle controller set 04-26 11:26:19.510: i/system.out(5670): 00:00:10 04-26 11:26:19.510: d/time(5670): more00:00:01 04-26 11:26:19.530: i/timeline(5670): timeline: activity_launch_request id:com.example.flagsgame time:36376629 04-26 11:26:19.710: w/mediaplayer-jni(5670): mediaplayer finalized without being released 04-26 11:26:19.710: w/mediaplayer-jni(5670): mediaplayer finalized without being released 04-26 11:26:19.720: w/mediaplayer-jni(5670): mediaplayer finalized without being released 04-26 11:26:19.720: w/bundle(5670): key score expected integer value java.lang.string.  default value 0 returned. 04-26 11:26:19.730: w/bundle(5670): attempt cast generated internal exception: 04-26 11:26:19.730: w/bundle(5670): java.lang.classcastexception: java.lang.string cannot cast java.lang.integer 04-26 11:26:19.730: w/bundle(5670):     @ android.os.bundle.getint(bundle.java:1000) 04-26 11:26:19.730: w/bundle(5670):     @ android.content.intent.getintextra(intent.java:4620) 04-26 11:26:19.730: w/bundle(5670):     @ com.example.flagsgame.person.oncreate(person.java:40) 04-26 11:26:19.730: w/bundle(5670):     @ android.app.activity.performcreate(activity.java:5231) 04-26 11:26:19.730: w/bundle(5670):     @ android.app.instrumentation.callactivityoncreate(instrumentation.java:1087) 04-26 11:26:19.730: w/bundle(5670):     @ android.app.activitythread.performlaunchactivity(activitythread.java:2169) 04-26 11:26:19.730: w/bundle(5670):     @ android.app.activitythread.handlelaunchactivity(activitythread.java:2271) 04-26 11:26:19.730: w/bundle(5670):     @ android.app.activitythread.access$800(activitythread.java:144) 04-26 11:26:19.730: w/bundle(5670):     @ android.app.activitythread$h.handlemessage(activitythread.java:1205) 04-26 11:26:19.730: w/bundle(5670):     @ android.os.handler.dispatchmessage(handler.java:102) 04-26 11:26:19.730: w/bundle(5670):     @ android.os.looper.loop(looper.java:136) 04-26 11:26:19.730: w/bundle(5670):     @ android.app.activitythread.main(activitythread.java:5146) 04-26 11:26:19.730: w/bundle(5670):     @ java.lang.reflect.method.invokenative(native method) 04-26 11:26:19.730: w/bundle(5670):     @ java.lang.reflect.method.invoke(method.java:515) 04-26 11:26:19.730: w/bundle(5670):     @ com.android.internal.os.zygoteinit$methodandargscaller.run(zygoteinit.java:796) 04-26 11:26:19.730: w/bundle(5670):     @ com.android.internal.os.zygoteinit.main(zygoteinit.java:612) 04-26 11:26:19.730: w/bundle(5670):     @ dalvik.system.nativestart.main(native method) 04-26 11:26:19.800: i/system.out(5670): 00:00:04 04-26 11:26:19.910: i/timeline(5670): timeline: activity_idle id: android.os.binderproxy@42b40b18 time:36377008 04-26 11:26:19.920: e/spannablestringbuilder(5670): span_exclusive_exclusive spans cannot have 0 length 04-26 11:26:19.920: e/spannablestringbuilder(5670): span_exclusive_exclusive spans cannot have 0 length 04-26 11:26:19.930: e/spannablestringbuilder(5670): span_exclusive_exclusive spans cannot have 0 length 04-26 11:26:19.930: e/spannablestringbuilder(5670): span_exclusive_exclusive spans cannot have 0 length 04-26 11:26:20.510: i/system.out(5670): 00:00:09 04-26 11:26:20.800: i/system.out(5670): 00:00:03 04-26 11:26:21.510: i/system.out(5670): 00:00:08 04-26 11:26:21.800: i/system.out(5670): 00:00:02 04-26 11:26:22.510: i/system.out(5670): 00:00:07 04-26 11:26:22.800: i/system.out(5670): 00:00:01 04-26 11:26:23.510: i/system.out(5670): 00:00:06 04-26 11:26:24.050: d/time(5670): more00:00:01 04-26 11:26:24.060: i/timeline(5670): timeline: activity_launch_request id:com.example.flagsgame time:36381154 04-26 11:26:24.150: w/bundle(5670): key score expected integer value java.lang.string.  default value 0 returned. 04-26 11:26:24.150: w/bundle(5670): attempt cast generated internal exception: 04-26 11:26:24.150: w/bundle(5670): java.lang.classcastexception: java.lang.string cannot cast java.lang.integer 04-26 11:26:24.150: w/bundle(5670):     @ android.os.bundle.getint(bundle.java:1000) 04-26 11:26:24.150: w/bundle(5670):     @ android.content.intent.getintextra(intent.java:4620) 04-26 11:26:24.150: w/bundle(5670):     @ com.example.flagsgame.person.oncreate(person.java:40) 04-26 11:26:24.150: w/bundle(5670):     @ android.app.activity.performcreate(activity.java:5231) 04-26 11:26:24.150: w/bundle(5670):     @ android.app.instrumentation.callactivityoncreate(instrumentation.java:1087) 04-26 11:26:24.150: w/bundle(5670):     @ android.app.activitythread.performlaunchactivity(activitythread.java:2169) 04-26 11:26:24.150: w/bundle(5670):     @ android.app.activitythread.handlelaunchactivity(activitythread.java:2271) 04-26 11:26:24.150: w/bundle(5670):     @ android.app.activitythread.access$800(activitythread.java:144) 04-26 11:26:24.150: w/bundle(5670):     @ android.app.activitythread$h.handlemessage(activitythread.java:1205) 04-26 11:26:24.150: w/bundle(5670):     @ android.os.handler.dispatchmessage(handler.java:102) 04-26 11:26:24.150: w/bundle(5670):     @ android.os.looper.loop(looper.java:136) 04-26 11:26:24.150: w/bundle(5670):     @ android.app.activitythread.main(activitythread.java:5146) 04-26 11:26:24.150: w/bundle(5670):     @ java.lang.reflect.method.invokenative(native method) 04-26 11:26:24.150: w/bundle(5670):     @ java.lang.reflect.method.invoke(method.java:515) 04-26 11:26:24.150: w/bundle(5670):     @ com.android.internal.os.zygoteinit$methodandargscaller.run(zygoteinit.java:796) 04-26 11:26:24.150: w/bundle(5670):     @ com.android.internal.os.zygoteinit.main(zygoteinit.java:612) 04-26 11:26:24.150: w/bundle(5670):     @ dalvik.system.nativestart.main(native method) 04-26 11:26:24.270: e/spannablestringbuilder(5670): span_exclusive_exclusive spans cannot have 0 length 04-26 11:26:24.270: e/spannablestringbuilder(5670): span_exclusive_exclusive spans cannot have 0 length 04-26 11:26:24.270: i/timeline(5670): timeline: activity_idle id: android.os.binderproxy@426f66b0 time:36381361 04-26 11:26:24.520: i/system.out(5670): 00:00:05 04-26 11:26:25.520: i/system.out(5670): 00:00:04 04-26 11:26:26.520: i/system.out(5670): 00:00:03 04-26 11:26:27.520: i/system.out(5670): 00:00:02 04-26 11:26:28.520: i/system.out(5670): 00:00:01 04-26 11:26:30.240: d/time(5670): more00:00:01 04-26 11:26:30.250: i/timeline(5670): timeline: activity_launch_request id:com.example.flagsgame time:36387346 04-26 11:26:30.320: w/bundle(5670): key score expected integer value java.lang.string.  default value 0 returned. 04-26 11:26:30.320: w/bundle(5670): attempt cast generated internal exception: 04-26 11:26:30.320: w/bundle(5670): java.lang.classcastexception: java.lang.string cannot cast java.lang.integer 04-26 11:26:30.320: w/bundle(5670):     @ android.os.bundle.getint(bundle.java:1000) 04-26 11:26:30.320: w/bundle(5670):     @ android.content.intent.getintextra(intent.java:4620) 04-26 11:26:30.320: w/bundle(5670):     @ com.example.flagsgame.person.oncreate(person.java:40) 04-26 11:26:30.320: w/bundle(5670):     @ android.app.activity.performcreate(activity.java:5231) 04-26 11:26:30.320: w/bundle(5670):     @ android.app.instrumentation.callactivityoncreate(instrumentation.java:1087) 04-26 11:26:30.320: w/bundle(5670):     @ android.app.activitythread.performlaunchactivity(activitythread.java:2169) 04-26 11:26:30.320: w/bundle(5670):     @ android.app.activitythread.handlelaunchactivity(activitythread.java:2271) 04-26 11:26:30.320: w/bundle(5670):     @ android.app.activitythread.access$800(activitythread.java:144) 04-26 11:26:30.320: w/bundle(5670):     @ android.app.activitythread$h.handlemessage(activitythread.java:1205) 04-26 11:26:30.320: w/bundle(5670):     @     android.os.handler.dispatchmessage(handler.java:102) 04-26 11:26:30.320: w/bundle(5670):     @ android.os.looper.loop(looper.java:136) 04-26 11:26:30.320: w/bundle(5670):     @ android.app.activitythread.main(activitythread.java:5146) 04-26 11:26:30.320: w/bundle(5670):     @ java.lang.reflect.method.invokenative(native method) 04-26 11:26:30.320: w/bundle(5670):     @ java.lang.reflect.method.invoke(method.java:515) 04-26 11:26:30.320: w/bundle(5670):     @ com.android.internal.os.zygoteinit$methodandargscaller.run(zygoteinit.java:796) 04-26 11:26:30.320: w/bundle(5670):     @ com.android.internal.os.zygoteinit.main(zygoteinit.java:612) 04-26 11:26:30.320: w/bundle(5670):     @ dalvik.system.nativestart.main(native method) 04-26 11:26:30.370: i/timeline(5670): timeline: activity_idle id: android.os.binderproxy@42b6b638 time:36387461 04-26 11:26:30.370: e/spannablestringbuilder(5670): span_exclusive_exclusive spans cannot have 0 length 04-26 11:26:30.370: e/spannablestringbuilder(5670): span_exclusive_exclusive spans cannot have 0 length 04-26 11:27:03.740: w/iinputconnectionwrapper(5670): getextractedtext on inactive inputconnection 04-26 11:27:03.740: w/iinputconnectionwrapper(5670): gettextbeforecursor on inactive inputconnection 04-26 11:27:03.740: w/iinputconnectionwrapper(5670): getselectedtext on inactive inputconnection 04-26 11:27:03.740: w/iinputconnectionwrapper(5670): gettextaftercursor on inactive inputconnection 

as can see timer still runnig after error got. error: span_exclusive_exclusive spans cannot have 0 length