android - Changing and setting button background color and also comparing clicks on button pressed using switch and case -


i have been working on examination app while now, please stock setting buttons background colors comparing values on every button pressed. below code, please getting wrong? gives me no error , don't satisfy desired task.

    switch (v.getid()) {     case r.id.option1:         button s2 = (button) findviewbyid(r.id.option2);         actual = boption1.gettext().tostring();         s2.getbackground().setcolorfilter(0xff33ff33, porterduff.mode.multiply);         boption2.getbackground().setcolorfilter(0x33ff33ff, porterduff.mode.multiply);         boption3.getbackground().setcolorfilter(0x33ff33ff, porterduff.mode.multiply);         boption4.getbackground().setcolorfilter(0x33ff33ff, porterduff.mode.multiply);         aoption1 = 1;         aoption2 = 0;         aoption3 = 0;         aoption4 = 0;         break;     case r.id.option2:         actual = boption2.gettext().tostring();         boption1.getbackground().setcolorfilter(0x33ff33ff, porterduff.mode.multiply);         boption2.getbackground().setcolorfilter(0xff33ff33, porterduff.mode.multiply);         boption3.getbackground().setcolorfilter(0x33ff33ff, porterduff.mode.multiply);         boption4.getbackground().setcolorfilter(0x33ff33ff, porterduff.mode.multiply);         aoption1 = 0;         aoption2 = 1;         aoption3 = 0;         aoption4 = 0;         break;     case r.id.option3:         actual = boption3.gettext().tostring();         boption1.getbackground().setcolorfilter(0x33ff33ff, porterduff.mode.multiply);         boption2.getbackground().setcolorfilter(0x33ff33ff, porterduff.mode.multiply);         boption3.getbackground().setcolorfilter(0xff33ff33, porterduff.mode.multiply);         boption4.getbackground().setcolorfilter(0x33ff33ff, porterduff.mode.multiply);         aoption1 = 0;         aoption2 = 0;         aoption3 = 1;         aoption4 = 0;         break;     case r.id.option4:         actual = boption4.gettext().tostring();         boption1.getbackground().setcolorfilter(0x33ff33ff, porterduff.mode.multiply);         boption2.getbackground().setcolorfilter(0x33ff33ff, porterduff.mode.multiply);         boption3.getbackground().setcolorfilter(0x33ff33ff, porterduff.mode.multiply);         boption4.getbackground().setcolorfilter(0xff33ff33, porterduff.mode.multiply);         aoption1 = 0;         aoption2 = 0;         aoption3 = 0;         aoption4 = 1;         break;     case r.id.confirm:         tvexplain.settext(explain);         ahint.setvisibility(view.visible);         proceed.setvisibility(view.visible);         proceed.settext(continued);         confirm.setvisibility(view.invisible);         confirm.setlayoutparams(new layoutparams(3, 1));         if(actual.equals(null)){ }else{             if(actual.equals(answer)){                 if(aoption1 == 1){                     boption1.getbackground().setcolorfilter(0xff66ff66, porterduff.mode.multiply);                 }else if(aoption2 == 1){                     boption2.getbackground().setcolorfilter(0xff66ff66, porterduff.mode.multiply);                 }else if(aoption3 == 1){                     boption3.getbackground().setcolorfilter(0xff66ff66, porterduff.mode.multiply);                 }else if(aoption4 == 1){                     boption4.getbackground().setcolorfilter(0xff66ff66, porterduff.mode.multiply);                 }             }         }         break;     }

why don't use android art studio create different colors buttons?


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