Format String value up to 2 decimal place in Java

public static String formatStringUpto2DigitDecimal(String orig) {

    String newValue =  orig.substring(orig.indexOf("."));
    if(newValue.length() > 3){
        System.out.println("newValue : " + newValue + " New : " + newValue.substring(0,3));
        return orig.substring(0,orig.indexOf(".")).concat(newValue.substring(0,3));
    }

    return orig;
}

Change the Background Color on Run-time/Pragmatically of Shape Draw-able in Android.

How to Change the Background Color on Run-time/Pragmatically of Shape Draw-able in Android.

GradientDrawable gradientDrawable = (GradientDrawable) myView.getBackground();//To change the solid color
gradientDrawable .setColor(yourColor)

//To change the stroke color
int width_px = (int)TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 2, getResources().getDisplayMetrics());
gradientDrawable .setStroke(width_px, Color.Black);