Selezionare le tracce audio

Per selezionare le tracce audio per l'associazione tardiva dell'audio, implementare IAAConfig.

L'esempio di codice seguente illustra come l'implementazione di riferimento ottiene le tracce audio dal TVSDK e assegna la traccia selezionata all'elemento multimediale associato:

/**
 * Displays a chooser dialog, allowing the user to select the desired
 * alternate audio track.
 */
private void displayAlternateAudioDialog() {
    PrimetimeReference.logger.i(LOG_TAG + "#selectAlternateAudio",
      "Displaying alternate audio chooser dialog.");
    final int selectedAlternateAudio = aaManager.getSelectedAudioTrackIndex();
    if (selectedAlternateAudio != AAManagerOn.INVALID_AUDIO_TRACK) {
        final String items[] = aaManager.getAudioTracks();
        new AlertDialog.Builder(getActivity())
          .setTitle(R.string.PlayerControlAADialogTitle)
          .setSingleChoiceItems(items, selectedAlternateAudio,
          new DialogInterface.OnClickListener() {
              public void onClick(DialogInterface dialog, int whichButton) {
                  boolean result =
                    aaManager.selectAlternateAudioTrack(whichButton);
                  if (result) {
                      PrimetimeReference.logger.i(LOG_TAG
                                                  + "#selectAlternateAudio",
                                                  "Audio track selection successful");
                  } else {
                      PrimetimeReference.logger.i(LOG_TAG
                                            + "#selectAlternateAudio",
                                            "Audio track selection failed");
                  }
                  // Dismiss dialog.
                  dialog.cancel();
              }
          }).setNegativeButton(R.string.PlayerControlCCDialogCancel,
                               new DialogInterface.OnClickListener() {
              public void onClick(DialogInterface dialog,
                                    int whichButton) {
                                // Just cancel the dialog.
              }
          }).show();

    } else {
        PrimetimeReference.logger.i(LOG_TAG + "#selectAlternateAudioFailed",
                "Unable to detect the currently selected audio track.");
        Toast.makeText(getActivity(),
                "Unable to detect the currently selected audio track",
                Toast.LENGTH_SHORT).show();
    }
}

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