EPHV_demo_heading_view.java

@Parent
@SingleTop
@Layout(R.layout.feed_heading)
public class HeadingView {

    @View(R.id.headingTxt)
    private TextView headingTxt;

    @View(R.id.toggleIcon)
    private ImageView toggleIcon;

    @Toggle(R.id.toggleView)
    private LinearLayout toggleView;

    @ParentPosition
    private int mParentPosition;

    private Context mContext;
    private String mHeading;

    public HeadingView(Context context, String heading) {
        mContext = context;
        mHeading = heading;
    }

    @Resolve
    private void onResolved() {
        toggleIcon.setImageDrawable(mContext.getResources().getDrawable(R.drawable.ic_keyboard_arrow_up_white_24dp));
        headingTxt.setText(mHeading);
    }

    @Expand
    private void onExpand(){
        toggleIcon.setImageDrawable(mContext.getResources().getDrawable(R.drawable.ic_keyboard_arrow_down_white_24dp));
    }

    @Collapse
    private void onCollapse(){
        toggleIcon.setImageDrawable(mContext.getResources().getDrawable(R.drawable.ic_keyboard_arrow_up_white_24dp));
    }
}