android - Set icon on button center position through programatically -

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i want set icon on button on center place through programatically above diagram please 1 me...

may helps you..

set background image button in drawable folder use below code:

btn.setbackgroundresource(r.drawable.image);

btn.setbackgrounddrawable(getresources().getdrawable(r.drawable.image));

or use: setcompounddrawablewithintrinsicbounds().

look more regarding setcompounddrawablewithintrinsicbounds() in documentation : click here

edit:

try way: setcompounddrawablewithintrinsicbounds(r.drawables.minus,0,0,0);

add line in xml: android:paddingleft="100dp"

EXIT