change data.time ---> data.date.getTime()
public void onBindViewHolder(ItemViewHolder itemViewHolder, int i) {
final ItemData data = mDataSet.get(i);
ShapeDrawable drawable = new ShapeDrawable(new OvalShape());
drawable.getPaint().setColor(data.color);
itemViewHolder.icon.setBackgroundDrawable(drawable);
itemViewHolder.icon.setImageResource(data.icon);
itemViewHolder.title.setText(data.title);
itemViewHolder.subTitle.setText(dateFormat.format(data.date.getTime()));
}
change data.time ---> data.date.getTime()
public void onBindViewHolder(ItemViewHolder itemViewHolder, int i) {
final ItemData data = mDataSet.get(i);
ShapeDrawable drawable = new ShapeDrawable(new OvalShape());
drawable.getPaint().setColor(data.color);
itemViewHolder.icon.setBackgroundDrawable(drawable);
itemViewHolder.icon.setImageResource(data.icon);
itemViewHolder.title.setText(data.title);
itemViewHolder.subTitle.setText(dateFormat.format(data.date.getTime()));
}