how to set background in corner code example
Example: set top corner of shape radius programmatically android
GradientDrawable shape = new GradientDrawable();
shape.setCornerRadius( 8 );
// add some color
// You can add your random color generator here
// and set color
if (i % 2 == 0) {
shape.setColor(Color.RED);
} else {
shape.setColor(Color.BLUE);
}
// now find your view and add background to it
View view = (LinearLayout) findViewById( R.id.my_view );
view.setBackground(shape);