public static void SetBackground(View view, Drawable icon) {
    if (Build.VERSION.SDK_INT >= 16)
        Helper.SetBackground(view, icon);
    else view.setBackgroundDrawable(icon);
}

public class Helper {
    public static void SetBackground(View view, Drawable icon) {
        view.setBackground(icon);
    }
}

public static Method getResources;

    static {
            try {
                    Class<?> class[] = new Class[1];
                    class[0] = String.class;
                    getResources= Context.class.getMethod("getResources", class);
            } catch (NoSuchMethodException e) {
                    Log.e(TAG, "getResources is deprecated");
            }
    }

MyClass extends Application { ...}

if(MyClass.getResources!= null){
           //Do stuff

  } else {

//Fail or do other stuff
}

public interface DrawableUtil {
    void setBackground(View v, Drawable d);
}

public class PreJellyBeanDrawableUtil {
    void setBackground(View v, Drawable d) {
        v.setBackgroundDrawable(d);
    }
}
public class JellyBeanDrawableUtil {
    void setBackground(View v, Drawable d) {
        v.setBackground(d);
    }
}

DrawableUtil util;
if (Build.VERSION.SDK_INT >= 16)
    util = new JellyBeanDrawableUtil();
else
    util = new PreJellyBeanDrawableUtil();
util.setBackground(view, icon);