private void reloadLesson(Header header) {
String lessonNo = Integer.toString(header.getNo());
VolleyHelper.createInstance(HeaderActivity.this)
.requestLesson(
lessonNo,
new LessonCallback() {
@Override
public void execute(byte[] data) {
HeaderAdapter adapter = (HeaderAdapter) mHeaderList.getAdapter();
adapter.notifyDataSetChanged();
}
});
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder holder;
if (convertView == null) {
LayoutInflater inflater =
(LayoutInflater) getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
convertView = inflater.inflate(R.layout.header_item, null);
holder = new ViewHolder();
holder.noText = (TextView) convertView.findViewById(R.id.no_text);
holder.titleText = (TextView) convertView.findViewById(R.id.title_text);
holder.unloadText = (TextView) convertView.findViewById(R.id.unload_text);
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
Header header = getItem(position);
holder.noText.setText(getContext().getString(R.string.lesson_no, header.getNo()));
holder.titleText.setText(header.getTitle());
SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(getContext());
boolean isUnloaded = !preferences.contains(Integer.toString(header.getNo()));
holder.unloadText.setVisibility(isUnloaded ? View.VISIBLE : View.GONE);
return convertView;
}
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
Header header = (Header) parent.getItemAtPosition(position);
String lessonNo = Integer.toString(header.getNo());
VolleyHelper.createInstance(HeaderActivity.this)
.requestLesson(
lessonNo,
new LessonCallback() {
@Override
public void execute(byte[] data) {
Intent intent = MainActivity.createIntent(HeaderActivity.this, data);
startActivityForResult(intent, RC_HEADER);
}
});
}