Java MediaItemStatus.fromBundle方法代码示例

import android.support.v7.media.MediaItemStatus; //导入方法依赖的package包/类
private void processMediaStatusBundle(Bundle statusBundle) {
    if (statusBundle == null) return;
    logBundle("processMediaStatusBundle: ", statusBundle);

    String itemId = statusBundle.getString(MediaControlIntent.EXTRA_ITEM_ID);
    if (itemId == null || !itemId.equals(mCurrentItemId)) return;

    // Extract item metadata, if available.
    if (statusBundle.containsKey(MediaControlIntent.EXTRA_ITEM_METADATA)) {
        Bundle metadataBundle =
                (Bundle) statusBundle.getParcelable(MediaControlIntent.EXTRA_ITEM_METADATA);
        updateTitle(metadataBundle.getString(MediaItemMetadata.KEY_TITLE, mPreferredTitle));
    }

    // Extract the item status, if available.
    if (statusBundle.containsKey(MediaControlIntent.EXTRA_ITEM_STATUS)) {
        Bundle itemStatusBundle =
                (Bundle) statusBundle.getParcelable(MediaControlIntent.EXTRA_ITEM_STATUS);
        MediaItemStatus itemStatus = MediaItemStatus.fromBundle(itemStatusBundle);

        logBundle("Received item status: ", itemStatusBundle);

        updateState(itemStatus.getPlaybackState());

        // Update the PositionExtrapolator that the playback state has changed.
        if (itemStatus.getPlaybackState() == MediaItemStatus.PLAYBACK_STATE_PLAYING) {
            mPositionExtrapolator.onResumed();
        } else if (itemStatus.getPlaybackState() == MediaItemStatus.PLAYBACK_STATE_FINISHED) {
            mPositionExtrapolator.onFinished();
        } else {
            mPositionExtrapolator.onPaused();
        }

        if ((getRemotePlayerState() == PlayerState.PAUSED)
                || (getRemotePlayerState() == PlayerState.PLAYING)
                || (getRemotePlayerState() == PlayerState.LOADING)) {
            this.mCurrentItemId = itemId;

            // duration can possibly be -1 if it's unknown, so cap to 0
            long duration = Math.max(itemStatus.getContentDuration(), 0);
            // update the position using the remote player's position
            // duration can possibly be -1 if it's unknown, so cap to 0
            long position = Math.min(Math.max(itemStatus.getContentPosition(), 0), duration);
            // TODO(zqzhang): The GMS core currently uses SystemClock.uptimeMillis() as
            // timestamp, which does not conform to the MediaRouter support library docs. See
            // b/28378525 and
            // http://developer.android.com/reference/android/support/v7/media/MediaItemStatus.html#getTimestamp().
            // Override the timestamp with elapsedRealtime() by assuming the delay between the
            // GMS core produces the MediaItemStatus and the code reaches here is short enough.
            // long timestamp = itemStatus.getTimestamp();
            long timestamp = SystemClock.elapsedRealtime();
            notifyDurationUpdated(duration);
            notifyPositionUpdated(position);
            mPositionExtrapolator.onPositionInfoUpdated(duration, position, timestamp);

            if (mSeeking) {
                mSeeking = false;
                if (getMediaStateListener() != null) getMediaStateListener().onSeekCompleted();
            }
        }
        logExtraHttpInfo(itemStatus.getExtras());
    }
}
 

import android.support.v7.media.MediaItemStatus; //导入方法依赖的package包/类
private void processMediaStatusBundle(Bundle statusBundle) {
    if (statusBundle == null) return;

    if (mDebug) Log.d(TAG, "processMediaStatusBundle: " + bundleToString(statusBundle));

    String itemId = statusBundle.getString(MediaControlIntent.EXTRA_ITEM_ID);
    if (itemId == null || !itemId.equals(mCurrentItemId)) return;

    // Extract item metadata, if available.
    if (statusBundle.containsKey(MediaControlIntent.EXTRA_ITEM_METADATA)) {
        Bundle metadataBundle =
                (Bundle) statusBundle.getParcelable(MediaControlIntent.EXTRA_ITEM_METADATA);
        updateTitle(metadataBundle.getString(MediaItemMetadata.KEY_TITLE));
    }

    // Extract the item status, if available.
    if (statusBundle.containsKey(MediaControlIntent.EXTRA_ITEM_STATUS)) {
        Bundle itemStatusBundle =
                (Bundle) statusBundle.getParcelable(MediaControlIntent.EXTRA_ITEM_STATUS);
        MediaItemStatus itemStatus = MediaItemStatus.fromBundle(itemStatusBundle);

        if (mDebug) Log.d(TAG, "Received item status: " + bundleToString(itemStatusBundle));

        updateState(itemStatus.getPlaybackState());

        if ((getPlayerState() == PlayerState.PAUSED)
                || (getPlayerState() == PlayerState.PLAYING)
                || (getPlayerState() == PlayerState.LOADING)) {

            this.mCurrentItemId = itemId;

            int duration = (int) itemStatus.getContentDuration();
            // duration can possibly be -1 if it's unknown, so cap to 0
            updateDuration(Math.max(duration, 0));

            // update the position using the remote player's position
            mLastKnownStreamPosition = (int) itemStatus.getContentPosition();
            mStreamPositionTimestamp = (int) itemStatus.getTimestamp();
            updatePosition();

            if (mSeeking) {
                mSeeking = false;
                if (getMediaStateListener() != null) getMediaStateListener().onSeekCompleted();
            }
        }

        Bundle extras = itemStatus.getExtras();
        if (mDebug && extras != null) {
            if (extras.containsKey(MediaItemStatus.EXTRA_HTTP_STATUS_CODE)) {
                int httpStatus = extras.getInt(MediaItemStatus.EXTRA_HTTP_STATUS_CODE);
                Log.d(TAG, "HTTP status: " + httpStatus);
            }
            if (extras.containsKey(MediaItemStatus.EXTRA_HTTP_RESPONSE_HEADERS)) {
                Bundle headers = extras.getBundle(MediaItemStatus.EXTRA_HTTP_RESPONSE_HEADERS);
                Log.d(TAG, "HTTP headers: " + headers);
            }
        }
    }
}