/samples/browseable/MediaRouter/src/com.example.android.mediarouter/player/MainActivity.java
Java | 724 lines | 574 code | 91 blank | 59 comment | 71 complexity | d24df23233295e8a81f8d87cea479f16 MD5 | raw file
- /*
- * Copyright (C) 2013 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- package com.example.android.mediarouter.player;
- import android.app.PendingIntent;
- import android.content.ComponentName;
- import android.content.Context;
- import android.content.Intent;
- import android.media.AudioManager;
- import android.media.AudioManager.OnAudioFocusChangeListener;
- import android.media.RemoteControlClient;
- import android.net.Uri;
- import android.os.Build;
- import android.os.Bundle;
- import android.os.Environment;
- import android.os.Handler;
- import android.os.SystemClock;
- import android.support.v4.app.FragmentManager;
- import android.support.v4.view.MenuItemCompat;
- import android.support.v7.app.ActionBarActivity;
- import android.support.v7.app.MediaRouteActionProvider;
- import android.support.v7.app.MediaRouteDiscoveryFragment;
- import android.support.v7.media.MediaControlIntent;
- import android.support.v7.media.MediaItemStatus;
- import android.support.v7.media.MediaRouteSelector;
- import android.support.v7.media.MediaRouter;
- import android.support.v7.media.MediaRouter.Callback;
- import android.support.v7.media.MediaRouter.ProviderInfo;
- import android.support.v7.media.MediaRouter.RouteInfo;
- import android.util.Log;
- import android.view.KeyEvent;
- import android.view.Menu;
- import android.view.MenuItem;
- import android.view.View;
- import android.view.View.OnClickListener;
- import android.view.ViewGroup;
- import android.widget.AdapterView;
- import android.widget.AdapterView.OnItemClickListener;
- import android.widget.ArrayAdapter;
- import android.widget.ImageButton;
- import android.widget.ListView;
- import android.widget.SeekBar;
- import android.widget.SeekBar.OnSeekBarChangeListener;
- import android.widget.TabHost;
- import android.widget.TabHost.OnTabChangeListener;
- import android.widget.TabHost.TabSpec;
- import android.widget.TextView;
- import android.widget.Toast;
- import com.example.android.mediarouter.R;
- import com.example.android.mediarouter.provider.SampleMediaRouteProvider;
- import java.io.File;
- /**
- * <h3>Media Router Support Activity</h3>
- * <p/>
- * <p>
- * This demonstrates how to use the {@link MediaRouter} API to build an
- * application that allows the user to send content to various rendering
- * targets.
- * </p>
- */
- public class MainActivity extends ActionBarActivity {
- private static final String TAG = "MainActivity";
- private static final String DISCOVERY_FRAGMENT_TAG = "DiscoveryFragment";
- private MediaRouter mMediaRouter;
- private MediaRouteSelector mSelector;
- private LibraryAdapter mLibraryItems;
- private PlaylistAdapter mPlayListItems;
- private TextView mInfoTextView;
- private ListView mLibraryView;
- private ListView mPlayListView;
- private ImageButton mPauseResumeButton;
- private ImageButton mStopButton;
- private SeekBar mSeekBar;
- private boolean mPaused;
- private boolean mNeedResume;
- private boolean mSeeking;
- private RemoteControlClient mRemoteControlClient;
- private ComponentName mEventReceiver;
- private AudioManager mAudioManager;
- private PendingIntent mMediaPendingIntent;
- private final Handler mHandler = new Handler();
- private final Runnable mUpdateSeekRunnable = new Runnable() {
- @Override
- public void run() {
- updateProgress();
- // update UI every 1 second
- mHandler.postDelayed(this, 1000);
- }
- };
- private final SessionManager mSessionManager = new SessionManager("app");
- private Player mPlayer;
- private final MediaRouter.Callback mMediaRouterCB = new MediaRouter.Callback() {
- // Return a custom callback that will simply log all of the route events
- // for demonstration purposes.
- @Override
- public void onRouteAdded(MediaRouter router, RouteInfo route) {
- Log.d(TAG, "onRouteAdded: route=" + route);
- }
- @Override
- public void onRouteChanged(MediaRouter router, RouteInfo route) {
- Log.d(TAG, "onRouteChanged: route=" + route);
- }
- @Override
- public void onRouteRemoved(MediaRouter router, RouteInfo route) {
- Log.d(TAG, "onRouteRemoved: route=" + route);
- }
- @Override
- public void onRouteSelected(MediaRouter router, RouteInfo route) {
- Log.d(TAG, "onRouteSelected: route=" + route);
- mPlayer = Player.create(MainActivity.this, route);
- mPlayer.updatePresentation();
- mSessionManager.setPlayer(mPlayer);
- mSessionManager.unsuspend();
- registerRemoteControlClient();
- updateUi();
- }
- @Override
- public void onRouteUnselected(MediaRouter router, RouteInfo route) {
- Log.d(TAG, "onRouteUnselected: route=" + route);
- unregisterRemoteControlClient();
- PlaylistItem item = getCheckedPlaylistItem();
- if (item != null) {
- long pos = item.getPosition() +
- (mPaused ? 0 : (SystemClock.elapsedRealtime() - item.getTimestamp()));
- mSessionManager.suspend(pos);
- }
- mPlayer.updatePresentation();
- mPlayer.release();
- }
- @Override
- public void onRouteVolumeChanged(MediaRouter router, RouteInfo route) {
- Log.d(TAG, "onRouteVolumeChanged: route=" + route);
- }
- @Override
- public void onRoutePresentationDisplayChanged(MediaRouter router, RouteInfo route) {
- Log.d(TAG, "onRoutePresentationDisplayChanged: route=" + route);
- mPlayer.updatePresentation();
- }
- @Override
- public void onProviderAdded(MediaRouter router, ProviderInfo provider) {
- Log.d(TAG, "onRouteProviderAdded: provider=" + provider);
- }
- @Override
- public void onProviderRemoved(MediaRouter router, ProviderInfo provider) {
- Log.d(TAG, "onRouteProviderRemoved: provider=" + provider);
- }
- @Override
- public void onProviderChanged(MediaRouter router, ProviderInfo provider) {
- Log.d(TAG, "onRouteProviderChanged: provider=" + provider);
- }
- };
- private final OnAudioFocusChangeListener mAfChangeListener = new OnAudioFocusChangeListener() {
- @Override
- public void onAudioFocusChange(int focusChange) {
- if (focusChange == AudioManager.AUDIOFOCUS_LOSS_TRANSIENT) {
- Log.d(TAG, "onAudioFocusChange: LOSS_TRANSIENT");
- } else if (focusChange == AudioManager.AUDIOFOCUS_GAIN) {
- Log.d(TAG, "onAudioFocusChange: AUDIOFOCUS_GAIN");
- } else if (focusChange == AudioManager.AUDIOFOCUS_LOSS) {
- Log.d(TAG, "onAudioFocusChange: AUDIOFOCUS_LOSS");
- }
- }
- };
- @Override
- 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(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) {
- mSeeking = true;
- }
- @Override
- public void onStopTrackingTouch(SeekBar seekBar) {
- mSeeking = false;
- 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();
- }
- private void registerRemoteControlClient() {
- if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
- // Create the RCC and register with AudioManager and MediaRouter
- mAudioManager.requestAudioFocus(mAfChangeListener, AudioManager.STREAM_MUSIC,
- AudioManager.AUDIOFOCUS_GAIN);
- mAudioManager.registerMediaButtonEventReceiver(mEventReceiver);
- mRemoteControlClient = new RemoteControlClient(mMediaPendingIntent);
- mAudioManager.registerRemoteControlClient(mRemoteControlClient);
- mMediaRouter.addRemoteControlClient(mRemoteControlClient);
- SampleMediaButtonReceiver.setActivity(MainActivity.this);
- mRemoteControlClient.setTransportControlFlags(RemoteControlClient
- .FLAG_KEY_MEDIA_PLAY_PAUSE);
- mRemoteControlClient.setPlaybackState(RemoteControlClient.PLAYSTATE_PLAYING);
- }
- }
- private void unregisterRemoteControlClient() {
- // Unregister the RCC with AudioManager and MediaRouter
- if (mRemoteControlClient != null) {
- mRemoteControlClient.setTransportControlFlags(0);
- mAudioManager.abandonAudioFocus(mAfChangeListener);
- mAudioManager.unregisterMediaButtonEventReceiver(mEventReceiver);
- mAudioManager.unregisterRemoteControlClient(mRemoteControlClient);
- mMediaRouter.removeRemoteControlClient(mRemoteControlClient);
- SampleMediaButtonReceiver.setActivity(null);
- mRemoteControlClient = null;
- }
- }
- public boolean handleMediaKey(KeyEvent event) {
- if (event.getAction() == KeyEvent.ACTION_DOWN && event.getRepeatCount() == 0) {
- switch (event.getKeyCode()) {
- case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE: {
- Log.d(TAG, "Received Play/Pause event from RemoteControlClient");
- mPaused = !mPaused;
- if (mPaused) {
- mSessionManager.pause();
- } else {
- mSessionManager.resume();
- }
- return true;
- }
- case KeyEvent.KEYCODE_MEDIA_PLAY: {
- Log.d(TAG, "Received Play event from RemoteControlClient");
- if (mPaused) {
- mPaused = false;
- mSessionManager.resume();
- }
- return true;
- }
- case KeyEvent.KEYCODE_MEDIA_PAUSE: {
- Log.d(TAG, "Received Pause event from RemoteControlClient");
- if (!mPaused) {
- mPaused = true;
- mSessionManager.pause();
- }
- return true;
- }
- case KeyEvent.KEYCODE_MEDIA_STOP: {
- Log.d(TAG, "Received Stop event from RemoteControlClient");
- mPaused = false;
- mSessionManager.stop();
- return true;
- }
- default:
- break;
- }
- }
- return false;
- }
- @Override
- public boolean onKeyDown(int keyCode, KeyEvent event) {
- return handleMediaKey(event) || super.onKeyDown(keyCode, event);
- }
- @Override
- public boolean onKeyUp(int keyCode, KeyEvent event) {
- return handleMediaKey(event) || super.onKeyUp(keyCode, event);
- }
- @Override
- public void onStart() {
- // Be sure to call the super class.
- super.onStart();
- }
- @Override
- public void onPause() {
- // pause media player for local playback case only
- if (!mPlayer.isRemotePlayback() && !mPaused) {
- mNeedResume = true;
- mSessionManager.pause();
- }
- super.onPause();
- }
- @Override
- public void onResume() {
- // resume media player for local playback case only
- if (!mPlayer.isRemotePlayback() && mNeedResume) {
- mSessionManager.resume();
- mNeedResume = false;
- }
- super.onResume();
- }
- @Override
- public void onDestroy() {
- // Unregister the remote control client
- unregisterRemoteControlClient();
- mPaused = false;
- mSessionManager.stop();
- mPlayer.release();
- super.onDestroy();
- }
- @Override
- public boolean onCreateOptionsMenu(Menu menu) {
- // Be sure to call the super class.
- super.onCreateOptionsMenu(menu);
- // Inflate the menu and configure the media router action provider.
- getMenuInflater().inflate(R.menu.sample_media_router_menu, menu);
- MenuItem mediaRouteMenuItem = menu.findItem(R.id.media_route_menu_item);
- MediaRouteActionProvider mediaRouteActionProvider =
- (MediaRouteActionProvider) MenuItemCompat.getActionProvider(mediaRouteMenuItem);
- mediaRouteActionProvider.setRouteSelector(mSelector);
- // Return true to show the menu.
- return true;
- }
- private void updateProgress() {
- // Estimate content position from last status time and elapsed time.
- // (Note this might be slightly out of sync with remote side, however
- // it avoids frequent polling the MRP.)
- int progress = 0;
- PlaylistItem item = getCheckedPlaylistItem();
- if (item != null) {
- int state = item.getState();
- long duration = item.getDuration();
- if (duration <= 0) {
- if (state == MediaItemStatus.PLAYBACK_STATE_PLAYING ||
- state == MediaItemStatus.PLAYBACK_STATE_PAUSED) {
- mSessionManager.updateStatus();
- }
- } else {
- long position = item.getPosition();
- long timeDelta =
- mPaused ? 0 : (SystemClock.elapsedRealtime() - item.getTimestamp());
- progress = (int) (100.0 * (position + timeDelta) / duration);
- }
- }
- mSeekBar.setProgress(progress);
- }
- private void updateUi() {
- updatePlaylist();
- updateRouteDescription();
- updateButtons();
- }
- private void updatePlaylist() {
- mPlayListItems.clear();
- for (PlaylistItem item : mSessionManager.getPlaylist()) {
- mPlayListItems.add(item);
- }
- mPlayListView.invalidate();
- }
- private void updateRouteDescription() {
- RouteInfo route = mMediaRouter.getSelectedRoute();
- mInfoTextView.setText(
- "Currently selected route:" + "\nName: " + route.getName() + "\nProvider: " +
- route.getProvider().getPackageName() + "\nDescription: " +
- route.getDescription() + "\nStatistics: " +
- mSessionManager.getStatistics());
- }
- private void updateButtons() {
- MediaRouter.RouteInfo route = mMediaRouter.getSelectedRoute();
- // show pause or resume icon depending on current state
- mPauseResumeButton.setImageResource(
- mPaused ? R.drawable.ic_action_play : R.drawable.ic_action_pause);
- // disable pause/resume/stop if no session
- mPauseResumeButton.setEnabled(mSessionManager.hasSession());
- mStopButton.setEnabled(mSessionManager.hasSession());
- // only enable seek bar when duration is known
- PlaylistItem item = getCheckedPlaylistItem();
- mSeekBar.setEnabled(item != null && item.getDuration() > 0);
- if (mRemoteControlClient != null) {
- mRemoteControlClient.setPlaybackState(mPaused ? RemoteControlClient.PLAYSTATE_PAUSED :
- RemoteControlClient.PLAYSTATE_PLAYING);
- }
- }
- private PlaylistItem getCheckedPlaylistItem() {
- int count = mPlayListView.getCount();
- int index = mPlayListView.getCheckedItemPosition();
- if (count > 0) {
- if (index < 0 || index >= count) {
- index = 0;
- mPlayListView.setItemChecked(0, true);
- }
- return mPlayListItems.getItem(index);
- }
- return null;
- }
- public static final class DiscoveryFragment extends MediaRouteDiscoveryFragment {
- private static final String TAG = "DiscoveryFragment";
- private Callback mCallback;
- public DiscoveryFragment() {
- mCallback = null;
- }
- public DiscoveryFragment(Callback cb) {
- mCallback = cb;
- }
- public void setCallback(Callback cb) {
- mCallback = cb;
- }
- @Override
- public Callback onCreateCallback() {
- return mCallback;
- }
- @Override
- public int onPrepareCallbackFlags() {
- // Add the CALLBACK_FLAG_UNFILTERED_EVENTS flag to ensure that we will
- // observe and log all route events including those that are for routes
- // that do not match our selector. This is only for demonstration purposes
- // and should not be needed by most applications.
- return super.onPrepareCallbackFlags() | MediaRouter.CALLBACK_FLAG_UNFILTERED_EVENTS;
- }
- }
- private static final class MediaItem {
- public final String mName;
- public final Uri mUri;
- public final String mMime;
- public MediaItem(String name, Uri uri, String mime) {
- mName = name;
- mUri = uri;
- mMime = mime;
- }
- @Override
- public String toString() {
- return mName;
- }
- }
- private final class LibraryAdapter extends ArrayAdapter<MediaItem> {
- public LibraryAdapter() {
- super(MainActivity.this, R.layout.media_item);
- }
- @Override
- public View getView(int position, View convertView, ViewGroup parent) {
- final View v;
- if (convertView == null) {
- v = getLayoutInflater().inflate(R.layout.media_item, null);
- } else {
- v = convertView;
- }
- final MediaItem item = getItem(position);
- TextView tv = (TextView) v.findViewById(R.id.item_text);
- tv.setText(item.mName);
- ImageButton b = (ImageButton) v.findViewById(R.id.item_action);
- b.setImageResource(R.drawable.ic_suggestions_add);
- b.setTag(item);
- b.setOnClickListener(new OnClickListener() {
- @Override
- public void onClick(View v) {
- if (item != null) {
- mSessionManager.add(item.mUri, item.mMime);
- Toast.makeText(MainActivity.this, R.string.playlist_item_added_text,
- Toast.LENGTH_SHORT).show();
- }
- }
- });
- return v;
- }
- }
- private final class PlaylistAdapter extends ArrayAdapter<PlaylistItem> {
- public PlaylistAdapter() {
- super(MainActivity.this, R.layout.media_item);
- }
- @Override
- public View getView(int position, View convertView, ViewGroup parent) {
- final View v;
- if (convertView == null) {
- v = getLayoutInflater().inflate(R.layout.media_item, null);
- } else {
- v = convertView;
- }
- final PlaylistItem item = getItem(position);
- TextView tv = (TextView) v.findViewById(R.id.item_text);
- tv.setText(item.toString());
- ImageButton b = (ImageButton) v.findViewById(R.id.item_action);
- b.setImageResource(R.drawable.ic_suggestions_delete);
- b.setTag(item);
- b.setOnClickListener(new OnClickListener() {
- @Override
- public void onClick(View v) {
- if (item != null) {
- mSessionManager.remove(item.getItemId());
- Toast.makeText(MainActivity.this, R.string.playlist_item_removed_text,
- Toast.LENGTH_SHORT).show();
- }
- }
- });
- return v;
- }
- }
- }