5 changed files with 401 additions and 61 deletions
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package de.minimalme.spotify_sdk |
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import android.app.Activity |
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import android.content.Context |
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import android.content.Intent |
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import android.util.Log |
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import com.spotify.android.appremote.api.ConnectionParams |
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import com.spotify.android.appremote.api.Connector |
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import com.spotify.android.appremote.api.PlayerApi |
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import com.spotify.android.appremote.api.SpotifyAppRemote |
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import com.spotify.android.appremote.api.error.AuthenticationFailedException |
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import com.spotify.android.appremote.api.error.CouldNotFindSpotifyApp |
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import com.spotify.android.appremote.api.error.NotLoggedInException |
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import com.spotify.android.appremote.api.error.OfflineModeException |
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import com.spotify.android.appremote.api.error.SpotifyConnectionTerminatedException |
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import com.spotify.android.appremote.api.error.SpotifyDisconnectedException |
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import com.spotify.android.appremote.api.error.SpotifyRemoteServiceException |
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import com.spotify.android.appremote.api.error.UnsupportedFeatureVersionException |
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import com.spotify.android.appremote.api.error.UserNotAuthorizedException |
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import com.spotify.sdk.android.auth.AuthorizationClient |
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import com.spotify.sdk.android.auth.AuthorizationRequest |
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import com.spotify.sdk.android.auth.AuthorizationResponse |
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import de.minimalme.spotify_sdk.subscriptions.CapabilitiesChannel |
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import de.minimalme.spotify_sdk.subscriptions.ConnectionStatusChannel |
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import de.minimalme.spotify_sdk.subscriptions.PlayerContextChannel |
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import de.minimalme.spotify_sdk.subscriptions.PlayerStateChannel |
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import de.minimalme.spotify_sdk.subscriptions.UserStatusChannel |
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import io.flutter.embedding.engine.plugins.FlutterPlugin |
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import io.flutter.embedding.engine.plugins.activity.ActivityAware |
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import io.flutter.embedding.engine.plugins.activity.ActivityPluginBinding |
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import io.flutter.plugin.common.EventChannel |
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import io.flutter.plugin.common.MethodCall |
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import io.flutter.plugin.common.MethodChannel |
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import io.flutter.plugin.common.PluginRegistry |
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import kotlinx.event.SetEvent |
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import kotlinx.event.event |
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class SpotifySdkService(private val context: Context? = null) { |
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|
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// application context |
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private var applicationContext : Context? = null |
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private var applicationActivity : Activity? = null |
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// method channel |
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private lateinit var methodChannel : MethodChannel |
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private val channelName = "spotify_sdk" |
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private val loggingTag = "spotify_sdk" |
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|
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// event channels |
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private var playerContextChannel : EventChannel? = null |
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private var playerStateChannel : EventChannel? = null |
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private var capabilitiesChannel : EventChannel? = null |
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private var userStatusChannel : EventChannel? = null |
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private var connectionStatusChannel : EventChannel? = null |
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|
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private val playerContextSubscription = "player_context_subscription" |
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private val playerStateSubscription = "player_state_subscription" |
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private val capabilitiesSubscription = "capabilities_subscription" |
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private val userStatusSubscription = "user_status_subscription" |
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private val connectionStatusSubscription = "connection_status_subscription" |
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|
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//connecting |
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private val methodConnectToSpotify = "connectToSpotify" |
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private val methodGetAccessToken = "getAccessToken" |
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private val methodDisconnectFromSpotify = "disconnectFromSpotify" |
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|
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// connectApi |
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private val methodSwitchToLocalDevice = "switchToLocalDevice" |
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|
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//playerApi |
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private val methodGetCrossfadeState = "getCrossfadeState" |
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private val methodGetPlayerState = "getPlayerState" |
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private val methodPlay = "play" |
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private val methodPause = "pause" |
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private val methodQueueTrack = "queueTrack" |
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private val methodResume = "resume" |
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private val methodSeekToRelativePosition = "seekToRelativePosition" |
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private val methodSetPodcastPlaybackSpeed = "setPodcastPlaybackSpeed" |
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private val methodSkipNext = "skipNext" |
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private val methodSkipPrevious = "skipPrevious" |
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private val methodSkipToIndex = "skipToIndex" |
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private val methodSeekTo = "seekTo" |
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private val methodToggleRepeat = "toggleRepeat" |
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private val methodToggleShuffle = "toggleShuffle" |
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private val methodSetShuffle = "setShuffle" |
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private val methodSetRepeatMode = "setRepeatMode" |
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|
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//userApi |
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private val methodAddToLibrary = "addToLibrary" |
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private val methodRemoveFromLibrary = "removeFromLibrary" |
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private val methodGetCapabilities = "getCapabilities" |
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private val methodGetLibraryState = "getLibraryState" |
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|
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//imagesApi |
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private val methodGetImage = "getImage" |
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private val paramClientId = "clientId" |
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private val paramRedirectUrl = "redirectUrl" |
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private val paramScope = "scope" |
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private val paramSpotifyUri = "spotifyUri" |
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private val paramImageUri = "imageUri" |
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private val paramImageDimension = "imageDimension" |
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private val paramPositionedMilliseconds = "positionedMilliseconds" |
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private val paramRelativeMilliseconds = "relativeMilliseconds" |
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private val paramPodcastPlaybackSpeed = "podcastPlaybackSpeed" |
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private val paramTrackIndex = "trackIndex" |
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private val paramRepeatMode = "repeatMode" |
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private val paramShuffle = "shuffle" |
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|
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private val errorConnecting = "errorConnecting" |
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private val errorDisconnecting = "errorDisconnecting" |
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private val errorConnection = "errorConnection" |
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private val errorAuthenticationToken = "authenticationTokenError" |
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private val requestCodeAuthentication = 1337 |
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private var spotifyAppRemote: SpotifyAppRemote? = null |
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private var playerApi: PlayerApi? = null |
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//-- Method implementations |
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private fun connectToSpotify(clientId: String?, redirectUrl: String?, result: MethodChannel.Result) { |
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if (clientId.isNullOrBlank() || redirectUrl.isNullOrBlank()) { |
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result.error(errorConnecting, "client id or redirectUrl are not set or have invalid format", "") |
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} else { |
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val connectionParams = ConnectionParams.Builder(clientId) |
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.setRedirectUri(redirectUrl) |
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.showAuthView(true) |
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.build() |
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SpotifyAppRemote.disconnect(spotifyAppRemote) |
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var initiallyConnected = false |
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SpotifyAppRemote.connect(applicationContext, connectionParams, |
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object : Connector.ConnectionListener { |
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override fun onConnected(spotifyAppRemoteValue: SpotifyAppRemote) { |
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spotifyAppRemote = spotifyAppRemoteValue |
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playerApi = spotifyAppRemote?.playerApi |
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initiallyConnected = true |
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Log.i(loggingTag, "App Remote successfully connected") |
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result.success(true) |
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} |
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override fun onFailure(throwable: Throwable) { |
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val errorDetails = throwable.toString() |
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// determine the error |
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val errorMessage: String |
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val errorCode: String |
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var connected = false |
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when (throwable) { |
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is SpotifyDisconnectedException, is SpotifyConnectionTerminatedException -> { |
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// The Spotify app was/is disconnected by the Spotify app. |
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// This indicates typically that the Spotify app was closed by the user or for other reasons. |
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// You need to reconnect to continue using Spotify App Remote. |
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errorMessage = |
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"The Spotify app was/is disconnected by the Spotify app.Reconnect necessary" |
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errorCode = "SpotifyDisconnectedException" |
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} |
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is CouldNotFindSpotifyApp -> { |
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errorMessage = "The Spotify app is not installed on the device" |
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errorCode = "CouldNotFindSpotifyApp" |
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} |
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|
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is AuthenticationFailedException -> { |
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errorMessage = |
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"Partner app failed to authenticate with Spotify. Check client credentials and make sure your app is registered correctly at developer.spotify.com" |
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errorCode = "AuthenticationFailedException" |
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} |
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is UserNotAuthorizedException -> { |
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errorMessage = |
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"Indicates the user did not authorize this client of App Remote to use Spotify on the users behalf." |
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errorCode = "UserNotAuthorizedException" |
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} |
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is UnsupportedFeatureVersionException -> { |
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errorMessage = |
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"Spotify app can't support requested features. User should update Spotify app." |
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errorCode = "UnsupportedFeatureVersionException" |
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connected = true |
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} |
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is OfflineModeException -> { |
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errorMessage = |
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"Spotify user has set their Spotify app to be in offline mode" |
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errorCode = "OfflineModeException" |
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connected = true |
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} |
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is NotLoggedInException -> { |
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errorMessage = "User has logged out from Spotify." |
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errorCode = "NotLoggedInException" |
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} |
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|
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is SpotifyRemoteServiceException -> { |
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errorMessage = |
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"Encapsulates possible SecurityException and IllegalStateException errors." |
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errorCode = "SpotifyRemoteServiceException" |
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} |
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else -> { |
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errorMessage = "Something went wrong connecting spotify remote" |
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errorCode = errorConnection |
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} |
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} |
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Log.e(loggingTag, errorMessage) |
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// notify plugin |
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if (initiallyConnected) { |
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// emit connection error event |
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// connStatusEventChannel( |
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// ConnectionStatusChannel.ConnectionEvent( |
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// connected, |
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// errorMessage, |
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// errorCode, |
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// errorDetails |
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// ) |
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// ) |
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} else { |
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// throw exception as the connect method |
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result.error(errorCode, errorMessage, errorDetails) |
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} |
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} |
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}) |
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} |
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} |
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private fun getAccessToken(clientId: String?, redirectUrl: String?, scope: String?, result: MethodChannel.Result) { |
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if (applicationActivity == null) { |
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throw IllegalStateException("getAccessToken needs a foreground activity") |
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} |
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if (clientId.isNullOrBlank() || redirectUrl.isNullOrBlank()) { |
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result.error(errorConnecting, "client id or redirectUrl are not set or have invalid format", "") |
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} else { |
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//Convert String? scope to Array. Delimiter set as comma "," |
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val scopeArray = scope?.split(",")?.toTypedArray() |
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// methodConnectToSpotify.checkAndSetPendingOperation(result) |
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val builder = AuthorizationRequest.Builder( |
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clientId, |
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AuthorizationResponse.Type.TOKEN, |
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redirectUrl |
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) |
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builder.setScopes(scopeArray) |
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val request = builder.build() |
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AuthorizationClient.openLoginActivity( |
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applicationActivity, |
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requestCodeAuthentication, |
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request |
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) |
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} |
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} |
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private fun disconnectFromSpotify(result: MethodChannel.Result) { |
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if (spotifyAppRemote != null && spotifyAppRemote!!.isConnected) { |
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SpotifyAppRemote.disconnect(spotifyAppRemote) |
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// emit connection terminated event |
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// connStatusEventChannel( |
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// ConnectionStatusChannel.ConnectionEvent( |
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// false, |
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// "Successfully disconnected from Spotify.", |
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// null, |
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// null |
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// ) |
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// ) |
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// method success |
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result.success(true) |
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} else if (!spotifyAppRemote!!.isConnected) { |
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result.error(errorDisconnecting, "could not disconnect spotify remote", "you are not connected, no need to disconnect") |
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} else { |
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result.error(errorDisconnecting, "could not disconnect spotify remote", "spotifyAppRemote is not set") |
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} |
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} |
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private fun play(spotifyUri: String?){ |
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// if (playerApi != null && !spotifyUri.isNullOrBlank()) { |
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// playerApi.play(spotifyUri) |
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// .setResultCallback { result.success(true) } |
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// .setErrorCallback { throwable -> result.error(errorPlay, "error when playing uri: $spotifyUri", throwable.toString()) } |
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// } else if (spotifyUri.isNullOrBlank()) { |
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// result.error(errorPlay, "spotifyUri has invalid format or is not set", "") |
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// } else { |
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// spotifyRemoteAppNotSetError() |
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// } |
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if (playerApi != null && !spotifyUri.isNullOrBlank()) { |
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playerApi!!.play(spotifyUri) |
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} else if (spotifyUri.isNullOrBlank()) { |
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|
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} else { |
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} |
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} |
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private fun pause(){ |
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// if (playerApi != null) { |
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// playerApi.pause() |
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// .setResultCallback { result.success(true) } |
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// .setErrorCallback { throwable -> result.error(errorPause, "error when pausing", throwable.toString()) } |
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// } else { |
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// spotifyRemoteAppNotSetError() |
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// } |
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if (playerApi != null) { |
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playerApi!!.pause() |
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.setResultCallback {} |
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.setErrorCallback { } |
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} else { |
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} |
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} |
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|
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} |
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