protected void onCreate()

in MediaRouter/Application/src/main/java/com/example/android/mediarouter/player/MainActivity.java [200:386]
149 lines of code
12 McCabe index (conditional complexity)

    protected void onCreate(Bundle savedInstanceState) {
        // Be sure to call the super class.
        super.onCreate(savedInstanceState);
        if (savedInstanceState != null) {
            mPlayer = (Player) savedInstanceState.getSerializable("mPlayer");
        }

        // Get the media router service.
        mMediaRouter = MediaRouter.getInstance(this);

        // Create a route selector for the type of routes that we care about.
        mSelector =
                new MediaRouteSelector.Builder().addControlCategory(MediaControlIntent
                        .CATEGORY_LIVE_AUDIO).addControlCategory(MediaControlIntent
                        .CATEGORY_LIVE_VIDEO).addControlCategory(MediaControlIntent
                        .CATEGORY_REMOTE_PLAYBACK).addControlCategory(SampleMediaRouteProvider
                        .CATEGORY_SAMPLE_ROUTE).build();

        // Add a fragment to take care of media route discovery.
        // This fragment automatically adds or removes a callback whenever the activity
        // is started or stopped.
        FragmentManager fm = getSupportFragmentManager();
        DiscoveryFragment fragment =
                (DiscoveryFragment) fm.findFragmentByTag(DISCOVERY_FRAGMENT_TAG);
        if (fragment == null) {
            fragment = new DiscoveryFragment();
            fragment.setCallback(mMediaRouterCB);
            fragment.setRouteSelector(mSelector);
            fm.beginTransaction().add(fragment, DISCOVERY_FRAGMENT_TAG).commit();
        } else {
            fragment.setCallback(mMediaRouterCB);
            fragment.setRouteSelector(mSelector);
        }

        // Populate an array adapter with streaming media items.
        String[] mediaNames = getResources().getStringArray(R.array.media_names);
        String[] mediaUris = getResources().getStringArray(R.array.media_uris);
        mLibraryItems = new LibraryAdapter();
        for (int i = 0; i < mediaNames.length; i++) {
            mLibraryItems.add(new MediaItem(
                    "[streaming] " + mediaNames[i], Uri.parse(mediaUris[i]), "video/mp4"));
        }

        // Scan local external storage directory for media files.
        File externalDir = Environment.getExternalStorageDirectory();
        if (externalDir != null) {
            File list[] = externalDir.listFiles();
            if (list != null) {
                for (int i = 0; i < list.length; i++) {
                    String filename = list[i].getName();
                    if (filename.matches(".*\\.(m4v|mp4)")) {
                        mLibraryItems.add(new MediaItem(
                                "[local] " + filename, Uri.fromFile(list[i]), "video/mp4"));
                    }
                }
            }
        }

        mPlayListItems = new PlaylistAdapter();

        // Initialize the layout.
        setContentView(R.layout.sample_media_router);

        TabHost tabHost = (TabHost) findViewById(R.id.tabHost);
        tabHost.setup();
        String tabName = getResources().getString(R.string.library_tab_text);
        TabSpec spec1 = tabHost.newTabSpec(tabName);
        spec1.setContent(R.id.tab1);
        spec1.setIndicator(tabName);

        tabName = getResources().getString(R.string.playlist_tab_text);
        TabSpec spec2 = tabHost.newTabSpec(tabName);
        spec2.setIndicator(tabName);
        spec2.setContent(R.id.tab2);

        tabName = getResources().getString(R.string.statistics_tab_text);
        TabSpec spec3 = tabHost.newTabSpec(tabName);
        spec3.setIndicator(tabName);
        spec3.setContent(R.id.tab3);

        tabHost.addTab(spec1);
        tabHost.addTab(spec2);
        tabHost.addTab(spec3);
        tabHost.setOnTabChangedListener(new OnTabChangeListener() {
            @Override
            public void onTabChanged(String arg0) {
                updateUi();
            }
        });

        mLibraryView = (ListView) findViewById(R.id.media);
        mLibraryView.setAdapter(mLibraryItems);
        mLibraryView.setChoiceMode(ListView.CHOICE_MODE_SINGLE);
        mLibraryView.setOnItemClickListener(new OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                updateButtons();
            }
        });

        mPlayListView = (ListView) findViewById(R.id.playlist);
        mPlayListView.setAdapter(mPlayListItems);
        mPlayListView.setChoiceMode(ListView.CHOICE_MODE_SINGLE);
        mPlayListView.setOnItemClickListener(new OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                updateButtons();
            }
        });

        mInfoTextView = (TextView) findViewById(R.id.info);

        mPauseResumeButton = (ImageButton) findViewById(R.id.pause_resume_button);
        mPauseResumeButton.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                mPaused = !mPaused;
                if (mPaused) {
                    mSessionManager.pause();
                } else {
                    mSessionManager.resume();
                }
            }
        });

        mStopButton = (ImageButton) findViewById(R.id.stop_button);
        mStopButton.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                mPaused = false;
                mSessionManager.stop();
            }
        });

        mSeekBar = (SeekBar) findViewById(R.id.seekbar);
        mSeekBar.setOnSeekBarChangeListener(new OnSeekBarChangeListener() {
            @Override
            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
                PlaylistItem item = getCheckedPlaylistItem();
                if (fromUser && item != null && item.getDuration() > 0) {
                    long pos = progress * item.getDuration() / 100;
                    mSessionManager.seek(item.getItemId(), pos);
                    item.setPosition(pos);
                    item.setTimestamp(SystemClock.elapsedRealtime());
                }
            }

            @Override
            public void onStartTrackingTouch(SeekBar seekBar) {
            }

            @Override
            public void onStopTrackingTouch(SeekBar seekBar) {
                updateUi();
            }
        });

        // Schedule Ui update
        mHandler.postDelayed(mUpdateSeekRunnable, 1000);

        // Build the PendingIntent for the remote control client
        mAudioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
        mEventReceiver =
                new ComponentName(getPackageName(), SampleMediaButtonReceiver.class.getName());
        Intent mediaButtonIntent = new Intent(Intent.ACTION_MEDIA_BUTTON);
        mediaButtonIntent.setComponent(mEventReceiver);
        mMediaPendingIntent = PendingIntent.getBroadcast(this, 0, mediaButtonIntent, 0);

        // Create and register the remote control client
        registerRemoteControlClient();

        // Set up playback manager and player
        mPlayer = Player.create(MainActivity.this, mMediaRouter.getSelectedRoute());
        mSessionManager.setPlayer(mPlayer);
        mSessionManager.setCallback(new SessionManager.Callback() {
            @Override
            public void onStatusChanged() {
                updateUi();
            }

            @Override
            public void onItemChanged(PlaylistItem item) {
            }
        });

        updateUi();
    }