コード例 #1
0
  @Override
  public void onPause() {
    super.onPause();
    songDBIdsList.clear();

    if (dbHelper != null) {
      dbHelper.close();
      dbHelper = null;
    }

    if (isFinishing()) {
      if (SongsPickerFragment.cursor != null) {
        SongsPickerFragment.cursor.close();
        SongsPickerFragment.cursor = null;
      }

      if (AlbumsPickerFragment.cursor != null) {
        AlbumsPickerFragment.cursor.close();
        AlbumsPickerFragment.cursor = null;
      }

      if (ArtistsPickerFragment.cursor != null) {
        ArtistsPickerFragment.cursor.close();
        ArtistsPickerFragment.cursor = null;
      }
    }
  }
コード例 #2
0
  public void createMusicLibrary() {
    // We're done with the database helper, so go ahead and close it.
    dbHelper.close();
    dbHelper = null;

    // Launch the AsyncTask that will create the new music library.
    AsyncCreateMusicLibraryTask task =
        new AsyncCreateMusicLibraryTask(this, this, songDBIdsList, libraryName, libraryIconName);
    task.execute();
  }
コード例 #3
0
  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
      case R.id.select_all_music_library_editor:
        /* DB IDs are sequential, so to save CPU cycles,
         * we'll just get the size of the DB (the number of
         * rows) and add that many entries to the HashSet.
         */
        Cursor cursor = null;
        if (dbHelper != null) {
          cursor = dbHelper.getAllSongs();
        }

        int songCount = 0;
        if (cursor != null) {
          songCount = cursor.getCount();
        } else {
          Toast.makeText(mContext, R.string.no_songs_to_select, Toast.LENGTH_SHORT).show();
          return true;
        }

        for (int i = 0; i < songCount + 1; i++) {
          songDBIdsList.add("" + i);
        }

        // Refresh the current fragment's listview.
        if (ArtistsPickerFragment.listView != null) {
          ArtistsPickerFragment.listView.setAdapter(null);
          ArtistsPickerFragment.listView.setAdapter(
              new MusicLibraryEditorArtistsMultiselectAdapter(this, ArtistsPickerFragment.cursor));
          ArtistsPickerFragment.listView.invalidate();
        }

        if (AlbumsPickerFragment.listView != null) {
          AlbumsPickerFragment.listView.setAdapter(null);
          AlbumsPickerFragment.listView.setAdapter(
              new MusicLibraryEditorAlbumsMultiselectAdapter(this, AlbumsPickerFragment.cursor));
          AlbumsPickerFragment.listView.invalidate();
        }

        if (SongsPickerFragment.listView != null) {
          SongsPickerFragment.listView.setAdapter(null);
          SongsPickerFragment.listView.setAdapter(
              new MusicLibraryEditorSongsMultiselectAdapter(this, SongsPickerFragment.cursor));
          SongsPickerFragment.listView.invalidate();
        }

        return true;
      case R.id.done_music_library_editor:
        createMusicLibrary();
        return true;
      default:
        return super.onOptionsItemSelected(item);
    }
  }