java - Android game 3 trials for user -

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hello it's first time develop android color game. i'd put 3 trials in each question. i'm bit confused how or put while loop in code. please have on have tried far:

  int trial = 0;    private void getcorrectobject() {      list<integer> objects = new arraylist<integer>();     objects.add(1);     objects.add(2);     objects.add(3);     objects.add(4);     objects.add(5);     objects.add(6);     objects.add(7);     objects.add(8);     objects.add(9);      collections.shuffle(objects);     int correctobject =  objects.get(0);     log.d("test", string.valueof(correctobject));        while(trial <=3){         trial++;       switch(correctobject)     {     case 1:         bobjectcorrect.setimageresource(r.drawable.stage1_1_object1);         bobjectcorrect.setonclicklistener(new view.onclicklistener() {              public void onclick(view view) {                 intent = new intent(getapplicationcontext(), stage1_2.class);                 startactivity(i);                 new thread(){                     public void run(){                         mediaplayer mp = mediaplayer.create(stage1_2.this, r.raw.brown);                         mp.start();                     }                 }.start();                 finish();             }         });         break;     case 2:         bobject1.setimageresource(r.drawable.stage1_1_object1);         bobject1.setonclicklistener(new view.onclicklistener() {              public void onclick(view view) {                 intent = new intent(getapplicationcontext(), stage1_2.class);                 startactivity(i);                 new thread(){                     public void run(){                         mediaplayer mp = mediaplayer.create(stage1_2.this, r.raw.brown);                         mp.start();                     }                 }.start();                 finish();             }         });         break;     case 3:         bobject2.setimageresource(r.drawable.stage1_1_object1);         bobject2.setonclicklistener(new view.onclicklistener() {              public void onclick(view view) {                 intent = new intent(getapplicationcontext(), stage1_2.class);                 startactivity(i);                 new thread(){                     public void run(){                         mediaplayer mp = mediaplayer.create(stage1_2.this, r.raw.brown);                         mp.start();                     }                 }.start();                 finish();             }         });         break;     case 4:         bobject3.setimageresource(r.drawable.stage1_1_object1);         bobject3.setonclicklistener(new view.onclicklistener() {              public void onclick(view view) {                 intent = new intent(getapplicationcontext(), stage1_2.class);                 startactivity(i);                 new thread(){                     public void run(){                         mediaplayer mp = mediaplayer.create(stage1_2.this, r.raw.brown);                         mp.start();                     }                 }.start();                 finish();             }         });         break;     case 5:         bobject4.setimageresource(r.drawable.stage1_1_object1);         bobject4.setonclicklistener(new view.onclicklistener() {              public void onclick(view view) {                 intent = new intent(getapplicationcontext(), stage1_2.class);                 startactivity(i);                 new thread(){                     public void run(){                         mediaplayer mp = mediaplayer.create(stage1_2.this, r.raw.brown);                         mp.start();                     }                 }.start();                 finish();             }         });         break;     case 6:         bobject5.setimageresource(r.drawable.stage1_1_object1);         bobject5.setonclicklistener(new view.onclicklistener() {              public void onclick(view view) {                 intent = new intent(getapplicationcontext(), stage1_2.class);                 startactivity(i);                 new thread(){                     public void run(){                         mediaplayer mp = mediaplayer.create(stage1_2.this, r.raw.brown);                         mp.start();                     }                 }.start();                 finish();             }         });         break;     case 7:         bobject6.setimageresource(r.drawable.stage1_1_object1);         bobject6.setonclicklistener(new view.onclicklistener() {              public void onclick(view view) {                 intent = new intent(getapplicationcontext(), stage1_2.class);                 startactivity(i);                 new thread(){                     public void run(){                         mediaplayer mp = mediaplayer.create(stage1_2.this, r.raw.brown);                         mp.start();                     }                 }.start();                 finish();             }         });         break;     case 8:         bobject7.setimageresource(r.drawable.stage1_1_object1);         bobject7.setonclicklistener(new view.onclicklistener() {              public void onclick(view view) {                 intent = new intent(getapplicationcontext(), stage1_2.class);                 startactivity(i);                 new thread(){                     public void run(){                         mediaplayer mp = mediaplayer.create(stage1_2.this, r.raw.brown);                         mp.start();                     }                 }.start();                 finish();             }         });         break;     case 9:         bobject8.setimageresource(r.drawable.stage1_1_object1);         bobject8.setonclicklistener(new view.onclicklistener() {              public void onclick(view view) {                 intent = new intent(getapplicationcontext(), stage1_2.class);                 startactivity(i);                 new thread(){                     public void run(){                         mediaplayer mp = mediaplayer.create(stage1_2.this, r.raw.brown);                         mp.start();                     }                 }.start();                 finish();             }         });         break;     } // last of switch statement       if(trial == 3){         new alertdialog.builder(this)         .settitle("game over")         .setmessage("sorry reached 3rd trial")         .setpositivebutton("try again?", new dialoginterface.onclicklistener() {             public void onclick(dialoginterface dialog, int which) {                  intent = new intent(stage1_2.this, stage1_1.class);                 startactivity(i);             }          })         .setnegativebutton("back menu", new dialoginterface.onclicklistener() {             public void onclick(dialoginterface dialog, int which) {                  intent = new intent(stage1_2.this, shapingcolors.class);                 startactivity(i);             }          })          .show();     }      } // end of while loop

i finish thing can continue game. appreciated. in advance.

i added new method called guessedwrong()

 private void guessedwrong(){     trial++;      if(trial == 3){         new alertdialog.builder(this)         .settitle("game over")         .setmessage("sorry reached 3rd trial")         .setpositivebutton("try again?", new dialoginterface.onclicklistener() {             public void onclick(dialoginterface dialog, int which) {                  intent = new intent(stage1_1.this, stage1_1.class);                 startactivity(i);             }          })         .setnegativebutton("back menu", new dialoginterface.onclicklistener() {             public void onclick(dialoginterface dialog, int which) {                  intent = new intent(stage1_1.this, shapingcolors.class);                 startactivity(i);             }          })          .show();     }   }

the reason you're confused can't use loop task. when using java android framework, each of callback functions (for example, onclick listener, or activity's onresume) has run , finish within 1 frame of application. after function returns app update screen. means if you're doing responding series of clicks, can't in loop. have handle each click in separate call callback. for , while loops appropriate if want iterate on list of items decide should happen right now (for example, if you're adding items listview), can't iterate on things happen @ different times (such user's guesses).

you have think activity state machine. make trial member variable (field) of activity, starts out @ 0. might have function guessedwrong() increments trial, , goes "game over" screen if it's greater 2. onclick listener wrong answers call function. when moving new question, reset trial 0.

you need make sure number of trials (which state you're in) preserved if activity restarted. lesson recreating activity in android developers' training offered google shows how this.


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