private Long addChannel()

in LeanbackShowcase/app/src/main/java/androidx/leanback/leanbackshowcase/app/rows/ChannelContents.java [236:303]
51 lines of code
6 McCabe index (conditional complexity)

        private Long addChannel(Context context, ChannelContents channelContents) {
            // This ID is associated with current context
            String channelInputId = createInputId(context);
            Channel channel = new Channel.Builder()
                    .setDisplayName(channelContents.getName())
                    .setDescription(channelContents.getDescription())
                    .setType(TvContractCompat.Channels.TYPE_PREVIEW)
                    .setInputId(channelInputId)
                    .setAppLinkIntentUri(Uri.parse(SCHEME + "://" + PACKAGE_NAME
                            + "/" + MAIN_ACTIVITY))
                    .setInternalProviderId(channelContents.getChannelContentsId())
                    .build();

            /**
             * The interaction between current app and launcher interface is through ContentProvider
             * All the published data should be inserted into content provider
             */
            Uri channelUri = context.getContentResolver().insert(TvContractCompat.Channels.CONTENT_URI,
                    channel.toContentValues());
            if (channelUri == null || channelUri.equals(Uri.EMPTY)) {
                Log.e(TAG, "Insert channel failed");
                /**
                 * If the task is failed return null as a signal for error handling
                 */
                return null;
            }
            long channelId = ContentUris.parseId(channelUri);
            sLookupTable.put(channelId, channelContents);
            channelContents.setChannelPublishedId(channelId);

            createChannelLogo(context, channelId, R.drawable.row_app_icon);

            List<VideoContent> videos = channelContents.getVideos();

            int weight = videos.size();
            for (int i = 0; i < videos.size(); ++i, --weight) {
                VideoContent clip = videos.get(i);
                final String clipId = clip.getVideoId();

                /**
                 * Enable preview feature for the video added to the home screen
                 */
                PreviewProgram program = new PreviewProgram.Builder()
                        .setChannelId(channelId)
                        .setTitle(clip.getTitle())
                        .setDescription(clip.getDescription())
                        .setPosterArtUri(Uri.parse(clip.getCardImageUrl()))
                        .setIntentUri(Uri.parse(SCHEME + "://" + PACKAGE_NAME
                                + "/" + VIDEO_PLAY_ACTIVITY + "/" + clipId))
                        .setPreviewVideoUri(Uri.parse(clip.getPreviewVideoUrl()))
                        .setInternalProviderId(clipId)
                        .setWeight(weight)
                        .setPosterArtAspectRatio(clip.getAspectRatio())
                        .setType(TvContractCompat.PreviewPrograms.TYPE_MOVIE)
                        .build();

                Uri preview_uri =
                        Uri.parse(CONTENT_ANDROID_MEDIA_TV_PREVIEW_PROGRAM);
                Uri programUri = context.getContentResolver().insert(preview_uri,
                        program.toContentValues());
                if (programUri == null || programUri.equals(Uri.EMPTY)) {
                    Log.e(TAG, "Insert program failed");
                } else {
                    clip.setProgramId(ContentUris.parseId(programUri));
                }
            }
            return channelId;
        }