/**
* 删除文件
*
* @param deletePositions 将要被删除的文件在listview的位置的集和
*/
private void delLocalFile(List<DownloadedBean> delList) {
// int size = delList.size();
// String[] name = new String[size];
// //使用迭代器的方式来历遍
// Iterator<Integer> iterator = delList.iterator();
// int i = 0;
// while(iterator.hasNext()){
// Integer position = iterator.next();
// DownloadedBean bean = mList.get(position);
// name[i] = bean.getName();
// DBUtil.getInstance(getActivity()).deleteData(
// SQLHelper.TABLE_DOWNLOADED, "name = ?",
// new String[] { bean.getName() });
// mList.remove(bean);
// i++;
// }
for (DownloadedBean downloadedBean : delList) {
// DownloadedBean bean = delList.get(i);
// name[i] = bean.getName();
DBUtil.getInstance(getActivity())
.deleteData(
SQLHelper.TABLE_DOWNLOADED, "name = ?", new String[] {downloadedBean.getName()});
}
mList.removeAll(delList);
Log.i("DownloadedFragment", "删除后的mList集合:" + mList);
// for (int i = 0; i < length; i++) {
// mList.remove(mList.get(deletePositions[i]));
// }
deleteFile(delList);
if (adapter != null) {
adapter.notifyDataSetChanged();
}
}
public void changeData() {
Cursor cursor = DBUtil.getInstance(getActivity()).selectLastData(SQLHelper.TABLE_DOWNLOADED);
while (cursor.moveToNext()) {
DownloadedBean info = new DownloadedBean();
info.setAuthor(cursor.getString(cursor.getColumnIndex("author")));
info.setName(cursor.getString(cursor.getColumnIndex("name")));
info.setProgramId(cursor.getString(cursor.getColumnIndex("program_id")));
info.setStoragePath(cursor.getString(cursor.getColumnIndex("storage_path")));
info.setThumb(cursor.getString(cursor.getColumnIndex("thumb")));
info.setChecked_state(false);
mList.add(info);
}
cursor.close();
if (adapter != null) {
adapter.notifyDataSetChanged();
}
}