android - How will i create a loop inside a button click -

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i have 1 button , text view . want display number 0-5 in text view when each time click on button.

int index = 2;                      switch (index) {                         case 0:                             // if using index 0, set text index 1 text , change index 1                             index = 1;                             line2.settext(0);                             break;                         case 1:                             index = 2;                             line2.settext(1);                             break;                         case 2:                             index = 0;                             line2.settext(2);                             break;                     }

i had tried of examples available on internet,but not changing value. please me figure out.

thanks in advance.

int mcounter = 0;

on onclick() of button:

if(mcounter>4){      mcounter=0;  } mcounter++; txtinfo.settext(""+mcounter);

hope you.


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