Android: DIP 2 PX programmatically. Works on any device with any density. Useful when settings width and height in code.

Util.java

import android.content.Context;
import android.util.TypedValue;

public class Util {
    public static int dp(Context context, int size) {
        return (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,
					       size,
                                               context.getResources().getDisplayMetrics());
    }
}