public void release() {
for (CoursePreviewInfo coursePreviewInfo : mCoursePreviewInfos) {
if (coursePreviewInfo == null) {
continue;
}
coursePreviewInfo.release();
}
}
@Override
public void onBindViewHolder(CoursePreviewViewHolder holder, int position) {
if (holder == null) {
return;
}
if (position >= mCoursePreviewInfos.size()) {
return;
}
final CoursePreviewInfo coursePreviewInfo = mCoursePreviewInfos.get(position);
if (coursePreviewInfo == null) {
return;
}
// course cover
if (TextUtils.isEmpty(coursePreviewInfo.getCourseCoverUrl())) {
holder.mIvCourseCover.setImageResource(R.mipmap.ic_launcher);
} else {
ImageLoader.getInstance()
.displayImage(coursePreviewInfo.getCourseCoverUrl(), holder.mIvCourseCover);
}
// course name
holder.mTvCourseName.setText(coursePreviewInfo.getCourseName());
holder.mIvDownloadCourse.setOnClickListener(
new OnClickListener() {
@Override
public void onClick(View v) {
// download course
if (TextUtils.isEmpty(coursePreviewInfo.getCourseUrl())) {
ToastUtil.showToast(
v.getContext(),
v.getContext()
.getString(R.string.advanced_use__course_preview_url_is_empty_note));
return;
}
ToastUtil.showToast(
v.getContext(),
v.getContext().getString(R.string.advanced_use__course_preview_add_download)
+ coursePreviewInfo.getCourseName());
// use FileDownloader to download
FileDownloader.start(coursePreviewInfo.getCourseUrl());
}
});
holder.itemView.setOnClickListener(
new OnClickListener() {
@Override
public void onClick(View v) {
// go to play course
ToastUtil.showToast(v.getContext(), "watch " + coursePreviewInfo.getCourseName());
}
});
}