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@ -32,80 +32,203 @@ import android.content.res.Resources; |
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import android.view.LayoutInflater; |
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import android.view.View; |
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import android.view.ViewGroup; |
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import android.widget.ArrayAdapter; |
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import android.widget.BaseExpandableListAdapter; |
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import android.widget.ImageView; |
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import android.widget.TextView; |
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public class AudioPlaylistAdapter extends ArrayAdapter<String> { |
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public class AudioPlaylistAdapter extends BaseExpandableListAdapter { |
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private Context mContext; |
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private LayoutInflater mInflater; |
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private final int mGroupTextId; |
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private final int mChildTextId; |
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private ArrayList<String> mTitles; |
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private HashMap<String, ArrayList<Media>> mPlaylists; |
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private HashMap<String, ArrayList<String>> mSubTitles; |
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private HashMap<String, HashMap<String, ArrayList<Media>>> mGroups; |
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public AudioPlaylistAdapter(Context context, int textViewResourceId) { |
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super(context, textViewResourceId); |
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public AudioPlaylistAdapter(Context context, int groupTextId, int childTextId) { |
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mContext = context; |
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mInflater = LayoutInflater.from(context); |
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mGroupTextId = groupTextId; |
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mChildTextId = childTextId; |
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mTitles = new ArrayList<String>(); |
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mPlaylists = new HashMap<String, ArrayList<Media>>(); |
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mSubTitles = new HashMap<String, ArrayList<String>>(); |
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mGroups = new HashMap<String, HashMap<String, ArrayList<Media>>>(); |
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} |
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public void add(String title, Media media) { |
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public void add(String title, String subtitle, Media media) { |
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ArrayList<String> subtitles; |
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HashMap<String, ArrayList<Media>> group; |
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ArrayList<Media> list; |
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if (!mTitles.contains(title)) { |
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list = new ArrayList<Media>(); |
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mPlaylists.put(title, list); |
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if (!mSubTitles.containsKey(title)) { |
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subtitles = new ArrayList<String>(); |
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group = new HashMap<String, ArrayList<Media>>(); |
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mTitles.add(title); |
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super.add(title); |
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} else { |
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list = mPlaylists.get(title); |
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mSubTitles.put(title, subtitles); |
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mGroups.put(title, group); |
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} |
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else { |
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subtitles = mSubTitles.get(title); |
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group = mGroups.get(title); |
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} |
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if (!group.containsKey(subtitle)) { |
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list = new ArrayList<Media>(); |
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subtitles.add(subtitle); |
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group.put(subtitle, list); |
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} |
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else { |
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list = group.get(subtitle); |
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} |
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list.add(media); |
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} |
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@Override |
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public void clear() { |
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for (String item : mTitles) { |
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mPlaylists.get(item).clear(); |
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mPlaylists.remove(item); |
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ArrayList<String> subtitles = mSubTitles.get(item); |
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HashMap<String, ArrayList<Media>> subgroups = mGroups.get(item); |
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for (String subitem : subtitles) { |
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subgroups.get(subitem).clear(); |
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subgroups.remove(subitem); |
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} |
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subtitles.clear(); |
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mSubTitles.remove(item); |
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mGroups.remove(item); |
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} |
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mTitles.clear(); |
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super.clear(); |
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} |
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@Override |
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public View getView(int position, View convertView, ViewGroup parent) { |
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ViewHolder holder; |
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public int getGroupCount() { |
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return mGroups.size(); |
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} |
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@Override |
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public long getGroupId(int groupPosition) { |
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return groupPosition; |
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} |
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@Override |
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public String getGroup(int groupPosition) { |
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return mTitles.get(groupPosition); |
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} |
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@Override |
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public int getChildrenCount(int groupPosition) { |
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String key = mTitles.get(groupPosition); |
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int count = mSubTitles.get(key).size(); |
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return count > 2 ? count : 0; |
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} |
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@Override |
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public long getChildId(int groupPosition, int childPosition) { |
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return childPosition; |
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} |
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@Override |
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public String getChild(int groupPosition, int childPosition) { |
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String key = mTitles.get(groupPosition); |
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return mSubTitles.get(key).get(childPosition); |
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} |
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@Override |
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public boolean hasStableIds() { |
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return true; |
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} |
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@Override |
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public boolean isChildSelectable(int groupPosition, int childPosition) { |
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return true; |
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} |
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@Override |
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public View getGroupView(int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) { |
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GroupViewHolder holder; |
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View v = convertView; |
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if (v == null) { |
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LayoutInflater inflater = (LayoutInflater) getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE); |
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v = inflater.inflate(R.layout.audio_browser_playlist, parent, false); |
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holder = new ViewHolder(); |
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v = mInflater.inflate(R.layout.audio_browser_playlist, parent, false); |
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holder = new GroupViewHolder(); |
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holder.title = (TextView) v.findViewById(R.id.title); |
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holder.text = (TextView) v.findViewById(R.id.text); |
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holder.more = (ImageView) v.findViewById(R.id.more); |
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v.setTag(holder); |
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} else |
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holder = (ViewHolder) v.getTag(); |
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holder = (GroupViewHolder) v.getTag(); |
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String name = mTitles.get(groupPosition); |
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int count = mSubTitles.get(name).size(); |
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int countMedia = mGroups.get(name).get(null).size(); |
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Resources res = mContext.getResources(); |
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String name = mTitles.get(position); |
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ArrayList<Media> list = mPlaylists.get(name); |
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holder.title.setText(name); |
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Resources res = getContext().getResources(); |
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holder.text.setText(res.getQuantityString(R.plurals.songs, list.size(), list.size())); |
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if (count > 2) |
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holder.text.setText(res.getQuantityString(mGroupTextId, count - 1, count - 1)); |
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else if (count == 2) |
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holder.text.setText(String.format("%s - %s", |
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mSubTitles.get(name).get(1), |
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res.getQuantityString(mChildTextId, countMedia, countMedia))); |
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else |
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holder.text.setText(res.getQuantityString(mChildTextId, countMedia, countMedia)); |
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holder.more.setVisibility(count > 2 ? View.VISIBLE : View.GONE); |
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holder.more.setImageResource(isExpanded ? R.drawable.ic_up : R.drawable.ic_down); |
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return v; |
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} |
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static class ViewHolder { |
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@Override |
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public View getChildView(int groupPosition, int childPosition, boolean isLastChild, View convertView, ViewGroup parent) { |
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ChildViewHolder holder; |
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View v = convertView; |
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if (v == null) { |
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v = mInflater.inflate(R.layout.audio_browser_playlist_child, parent, false); |
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holder = new ChildViewHolder(); |
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holder.title = (TextView) v.findViewById(R.id.title); |
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holder.text = (TextView) v.findViewById(R.id.text); |
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v.setTag(holder); |
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} else |
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holder = (ChildViewHolder) v.getTag(); |
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String key = mTitles.get(groupPosition); |
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String name = mSubTitles.get(key).get(childPosition); |
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ArrayList<Media> list = mGroups.get(key).get(name); |
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int count = list.size(); |
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Resources res = mContext.getResources(); |
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if (name != null) |
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holder.title.setText(name); |
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else |
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holder.title.setText(R.string.all_albums); |
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holder.text.setText(res.getQuantityString(mChildTextId, count, count)); |
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return v; |
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} |
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static class GroupViewHolder { |
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TextView title; |
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TextView text; |
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ImageView more; |
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} |
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static class ChildViewHolder { |
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TextView title; |
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TextView text; |
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} |
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public List<String> getPlaylist(int position) { |
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public List<String> getPlaylist(int groupPosition, int childPosition) { |
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List<String> playlist = new ArrayList<String>(); |
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if (position >= 0 && position < mTitles.size()) { |
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List<Media> mediaList = mPlaylists.get(mTitles.get(position)); |
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for (int i = 0; i < mediaList.size(); i++) { |
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playlist.add(mediaList.get(i).getLocation()); |
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if (groupPosition >= 0 && groupPosition < mTitles.size()) { |
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String key = mTitles.get(groupPosition); |
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if (childPosition >= 0 && childPosition < mSubTitles.get(key).size()) { |
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String subkey = mSubTitles.get(key).get(childPosition); |
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List<Media> mediaList = mGroups.get(key).get(subkey); |
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for (int i = 0; i < mediaList.size(); i++) { |
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playlist.add(mediaList.get(i).getLocation()); |
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} |
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} |
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} |
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return playlist; |
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} |
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} |
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Sébastien Toque
14 years ago
