私はついにそれを理解しました。私は、アプリケーションを登録せずに、Googleの再生サービスとGoogleのキャストSDKのv2を使用しなければならなかった。
ライブラリは、プロジェクトに含ま:
compile 'com.android.support:mediarouter-v7:24.0.0'
compile 'com.google.android.gms:play-services-cast-framework:9.2.0'
は)のonCreate()とonDestroy(以下のコードでは、フラグメントまたはサービス活動のメソッドではないので、コピーしない/貼り付けることに注意してくださいコードと期待して動作します。これらのメソッドのコードは、独自のメソッドでコピー/貼り付けする必要があります。どちらかのChromecastはは(それは誰もあればアクティブ動作しませんしているかどうかをチェックgetActiveMediaRoute()を呼び出すことによって、あなたはキャストボタンを経由する経路のいずれかを選択
- :ここ は何が起こっているかのステップでありますChromecastに接続されています)。 onRouteSelectedとき、あなたの好み
- に基づいて選択するために、メソッドまたはgetActiveChromecastRoute()をオーバーライドします()(onApplicationMetadataChangedときGoogleApiClientが選択Chromecastの
- ためのオプションでインスタンス化された新キャストと呼ばれている)のコードは、現在に接続されますと呼ばれていますアプリケーションが正常に接続された後、アプリケーションが新しいRemoteMediaPlayerがインスタンス化され、mediaStatusはあなたがonStatusUpdated(でコールバックを取得する必要があります
- を要求された)、その後、あなたがmRemoteMediaPlayer.getMediaStatusを(呼び出すことができます)、それは意志のChromecast
- 上で実行されていますChromecastで再生されているコンテンツに関するデータが含まれています。
public static final String CHROMECAST_SIGNATURE = "cast.media.CastMediaRouteProviderService";
private final MediaRouteSelector mSelector;
private final MediaRouter mMediaRouter;
private CastDevice mSelectedDevice;
private Cast.Listener mCastClientListener;
private RemoteMediaPlayer mRemoteMediaPlayer;
@Override
public void onCreate() {
mMediaRouter = MediaRouter.getInstance(context);
mSelector = new MediaRouteSelector.Builder()
// These are the framework-supported intents
.addControlCategory(MediaControlIntent.CATEGORY_LIVE_AUDIO)
.addControlCategory(MediaControlIntent.CATEGORY_LIVE_VIDEO)
.addControlCategory(MediaControlIntent.CATEGORY_REMOTE_PLAYBACK)
.build();
mMediaRouter.addCallback(mSelector, mMediaRouterCallback, MediaRouter.CALLBACK_FLAG_REQUEST_DISCOVERY | MediaRouter.CALLBACK_FLAG_UNFILTERED_EVENTS);
}
@Override
public void onDestroy() {
mMediaRouter.removeCallback(mMediaRouterCallback);
}
@UiThread
private boolean isChromecastActive() {
return getActiveChromecastRoute() != null;
}
@UiThread
private Boolean isChromecastPlaying() {
if (mRemoteMediaPlayer == null || mRemoteMediaPlayer.getMediaStatus() == null) {
return null;
}
// Here you can get the playback status and the metadata for what's playing
// But only after the onStatusUpdated() method is called in the mRemoteMediaPlayer callback
int state = mRemoteMediaPlayer.getMediaStatus().getPlayerState();
return (state == MediaStatus.PLAYER_STATE_BUFFERING || state == MediaStatus.PLAYER_STATE_PLAYING);
}
@UiThread
private MediaRouter.RouteInfo getActiveChromecastRoute() {
for (MediaRouter.RouteInfo route : mMediaRouter.getRoutes()) {
if (isCastDevice(route)) {
if (route.getConnectionState() == MediaRouter.RouteInfo.CONNECTION_STATE_CONNECTED) {
return route;
}
}
}
return null;
}
private int getMediaRouteVolume(@NonNull MediaRouter.RouteInfo route) {
return route.getVolume();
}
private void setMediaRouteVolume(@NonNull MediaRouter.RouteInfo route, int volume) {
route.requestSetVolume(volume);
}
private int getMediaRouteMaxVolume(@NonNull MediaRouter.RouteInfo route) {
return route.getVolumeMax();
}
@UiThread
private MediaRouter.RouteInfo getActiveMediaRoute() {
if (isChromecastActive()) {
MediaRouter.RouteInfo route = getActiveChromecastRoute();
if (route != null) {
if (!route.isSelected()) {
mMediaRouter.selectRoute(route);
}
}
else if (mSelectedDevice != null) {
mSelectedDevice = null;
}
return route;
}
return null;
}
private boolean isCastDevice(MediaRouter.RouteInfo routeInfo) {
return routeInfo.getId().contains(CHROMECAST_SIGNATURE);
}
private MediaRouter.Callback mMediaRouterCallback = new MediaRouter.Callback() {
@Override
public void onRouteAdded(MediaRouter router, MediaRouter.RouteInfo route) {
if (isCastDevice(route)) {
Log.i("MediaRouter", "Chromecast found: " + route);
}
}
@Override
public void onRouteChanged(MediaRouter router, MediaRouter.RouteInfo route) {
if (isCastDevice(route)) {
Log.i("MediaRouter", "Chromecast changed: " + route);
}
}
@Override
public void onRouteSelected(MediaRouter router, MediaRouter.RouteInfo route) {
if (mSelectedDevice == null && isCastDevice(route)) {
Log.i("MediaRouter", "Chromecast selected: " + route);
mSelectedDevice = CastDevice.getFromBundle(route.getExtras());
mCastClientListener = new Cast.Listener() {
@Override
public void onApplicationStatusChanged() {
Log.i("MediaRouter", "Cast.Listener.onApplicationStatusChanged()");
}
@Override
public void onApplicationMetadataChanged(ApplicationMetadata applicationMetadata) {
Log.i("MediaRouter", "Cast.Listener.onApplicationMetadataChanged(" + applicationMetadata + ")");
if (applicationMetadata != null) {
LaunchOptions launchOptions = new LaunchOptions.Builder().setRelaunchIfRunning(false).build();
Cast.CastApi.launchApplication(mApiClient, applicationMetadata.getApplicationId(), launchOptions).setResultCallback(new ResultCallback<Cast.ApplicationConnectionResult>() {
@Override
public void onResult(@NonNull Cast.ApplicationConnectionResult applicationConnectionResult) {
Log.i("MediaRouter", "Cast.CastApi.joinApplication.onResult() " + applicationConnectionResult.getSessionId());
mRemoteMediaPlayer = new RemoteMediaPlayer();
mRemoteMediaPlayer.setOnStatusUpdatedListener(new RemoteMediaPlayer.OnStatusUpdatedListener() {
@Override
public void onStatusUpdated() {
MediaStatus mediaStatus = mRemoteMediaPlayer.getMediaStatus();
Log.i("MediaRouter", "Remote media player status " + mediaStatus.getPlayerState());
// TODO: you can call isChromecastPlaying() now
}
});
try {
Cast.CastApi.setMessageReceivedCallbacks(mApiClient, mRemoteMediaPlayer.getNamespace(), mRemoteMediaPlayer);
} catch(IOException e) {
Log.e("MediaRouter", "Exception while creating media channel ", e);
} catch(NullPointerException e) {
Log.e("MediaRouter", "Something wasn't reinitialized for reconnectChannels", e);
}
mRemoteMediaPlayer.requestStatus(mApiClient).setResultCallback(new ResultCallback<RemoteMediaPlayer.MediaChannelResult>() {
@Override
public void onResult(@NonNull RemoteMediaPlayer.MediaChannelResult mediaChannelResult) {
Log.i("MediaRouter", "requestStatus() " + mediaChannelResult);
}
});
try {
Cast.CastApi.requestStatus(mApiClient);
} catch (IOException e) {
Log.e("MediaRouter", "Couldn't request status", e);
}
}
});
}
}
@Override
public void onApplicationDisconnected(int i) {
Log.i("MediaRouter", "Cast.Listener.onApplicationDisconnected(" + i + ")");
}
@Override
public void onActiveInputStateChanged(int i) {
Log.i("MediaRouter", "Cast.Listener.onActiveInputStateChanged(" + i + ")");
}
@Override
public void onStandbyStateChanged(int i) {
Log.i("MediaRouter", "Cast.Listener.onStandbyStateChanged(" + i + ")");
}
@Override
public void onVolumeChanged() {
Log.i("MediaRouter", "Cast.Listener.onVolumeChanged()");
}
};
Cast.CastOptions.Builder apiOptionsBuilder = new Cast.CastOptions.Builder(mSelectedDevice, mCastClientListener);
mApiClient = new GoogleApiClient.Builder(getContext())
.addApi(Cast.API, apiOptionsBuilder.build())
.addConnectionCallbacks(new GoogleApiClient.ConnectionCallbacks() {
@Override
public void onConnected(@Nullable Bundle bundle) {
Log.i("MediaRouter", "GoogleApiClient.onConnected()");
Log.i("MediaRouter", "Bundle " + bundle);
}
@Override
public void onConnectionSuspended(int i) {
Log.i("MediaRouter", "GoogleApiClient.onConnectionSuspended(" + i + ")");
}
})
.addOnConnectionFailedListener(new GoogleApiClient.OnConnectionFailedListener() {
@Override
public void onConnectionFailed(@NonNull ConnectionResult connectionResult) {
Log.i("MediaRouter", "GoogleApiClient.onConnectionFailed()");
}
})
.build();
mApiClient.connect();
}
else {
mSelectedDevice = null;
mRemoteMediaPlayer = null;
}
}
@Override
public void onRouteRemoved(MediaRouter router, MediaRouter.RouteInfo route) {
if (isCastDevice(route)) {
if (mSelectedDevice != null && mSelectedDevice.isSameDevice(CastDevice.getFromBundle(route.getExtras()))) {
mSelectedDevice = null;
}
Log.i("MediaRouter", "Chromecast lost: " + route);
}
}
};
このコードはhttps://www.binpress.com/tutorial/building-an-android-google-cast-sender-app/161に触発代わりのビデオを立ち上げたI mRemoteMediaPlayer.requestStatus(mApiClient)を呼び出さなければならなかった – Auras