android - Remove the background of a textview -

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i set background textview , want remove dynamically dosen't work, there suggestion?

if (mtoday) {         monthview[mrow][mcolumn].setbackgroundresource(r.color.black);     }     else {         monthview[mrow][mcolumn].setbackgroundresource(0);     }

i found reasonable explanation here why happen, again didn't solve problem.

try this.

txtemail.setbackgroundresource(android.r.color.transparent);

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