android studio - Trying to change the color of a dialog's button after closing it once -


so created dialog in android studio. wanted button switch colors after clicked red blue , blue red. 

 if (btnsoundon.gettext().tostring().equals("on"))         {             bluebtn=false;             btnsoundon.startanimation(scale1);             btnsoundon.startanimation(scale2);             btnsoundon.setbackgroundcolor(color.red);             mp.pause();             btnsoundon.settext("off");           }         else if(btnsoundon.gettext().tostring().equals("off"))         {             bluebtn=true;             mp.start();             btnsoundon.startanimation(scale1);             btnsoundon.startanimation(scale2);             btnsoundon.setbackgroundcolor(color.blue);             btnsoundon.settext("on");          }

after close dialog wanted remember color of button. put in creating dialog function created:

 if (bluebtn)     {         btnsoundon.setbackgroundcolor(color.blue);     }     else if (!bluebtn)     {         btnsoundon.setbackgroundcolor(color.red);     }

but reason when reopen dialog starts blue button time. cant figure out why. in advance.


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