gistfile1.java

public class FindView {
	public static In in(final View view) {
		return new In() {
			@Override
			@SuppressWarnings("unchecked")
			public View byId(final int id) {
				return view.findViewById(id);
			}
		};
	}

	public static In in(final Activity activity) {
		return new In() {
			@Override
			@SuppressWarnings("unchecked")
			public View byId(final int id) {
				return activity.findViewById(id);
			}
		};
	}

	public interface In {
		<T extends View> T byId(int id);
	}
}