Merge pull request #28 from BMXsanko/Add-getAuthToken-functionality

Add get auth token functionality

Author: Joran-Dob

android/build.gradle

@@ -45,5 +45,7 @@ android {
 dependencies {
   implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
   implementation(name:'spotify-app-remote-release-0.6.1', ext:'aar')
+  implementation(name:'spotify-auth-release-1.1.0', ext:'aar')
   implementation "com.google.code.gson:gson:2.8.2"
 }
+

android/libs/spotify-auth-release-1.1.0.aar

@@ -1,5 +1,9 @@
 package io.feesie.spotify.playback
 
+import android.content.Intent
+import android.content.IntentFilter
+import android.net.ConnectivityManager
+import android.os.Parcel
 import android.util.Log
 import com.spotify.android.appremote.api.ConnectionParams
 import com.spotify.android.appremote.api.Connector
@@ -20,6 +24,13 @@ import io.flutter.plugin.common.PluginRegistry
 import io.flutter.plugin.common.PluginRegistry.Registrar
 import kotlin.concurrent.fixedRateTimer
 
+import com.spotify.sdk.android.authentication.AuthenticationClient;
+import com.spotify.sdk.android.authentication.AuthenticationHandler
+import com.spotify.sdk.android.authentication.AuthenticationRequest;
+import com.spotify.sdk.android.authentication.AuthenticationResponse;
+
+
+
 class SpotifyPlaybackPlugin(private var registrar: PluginRegistry.Registrar) : MethodCallHandler,
     StreamHandler {
 
@@ -78,9 +89,36 @@ class SpotifyPlaybackPlugin(private var registrar: PluginRegistry.Registrar) : M
           uri = call.argument("uri"), result = result, quality = call.argument("quality"),
           size = call.argument("size")
       )
+      call.method == "getAuthToken" -> getAuthToken(
+              clientId = call.argument("clientId"),
+              redirectUrl = call.argument("redirectUrl"),
+              result = result)
     }
   }
 
+    //THIS SHOULD ONLY BE CALLED ONCE
+    private fun getAuthToken(clientId: String?,
+                     redirectUrl: String?,
+                     result: Result){
+
+try {
+    AuthenticationClient.openLoginActivity(
+            registrar.activity(), 1337,
+            AuthenticationRequest.Builder(clientId,AuthenticationResponse.Type.TOKEN,redirectUrl)
+                    .setScopes(arrayOf("user-modify-playback-state")).build())
+}catch (err:Throwable){
+    Log.v("getAuthTOkenError",err.message)
+}
+    registrar.addActivityResultListener { requestCode, resultCode, intent ->
+        if (requestCode == 1337){
+            result.success(AuthenticationClient.getResponse(resultCode,intent).accessToken)
+        }
+        true
+    }
+    }
+
+
+
   /**
    * The onlisten for the eventChannel is still in active development
    * This eventChannel onListen is used to inform the application about changes to the
@@ -178,6 +216,7 @@ class SpotifyPlaybackPlugin(private var registrar: PluginRegistry.Registrar) : M
     }
   }
 
+
   /**
    * Get if the spotify sdk is connected, if so return true
    */

android/src/main/kotlin/io/feesie/spotify/spotifyplayback/SpotifyPlaybackPlugin.kt

@@ -1,2 +1,4 @@
 configurations.maybeCreate("default")
-artifacts.add("default", file('spotify-app-remote-release-0.6.1.aar'))
+artifacts.add("default", file('spotify-app-remote-release-0.6.1.aar'))
+artifacts.add("default", file('spotify-auth-release-1.1.0.aar'))
+

example/android/app/libs/spotify-auth-release-1.1.0.aar

@@ -231,6 +231,17 @@ class _MyAppState extends State<MyApp> {
     }
   }
 
+    Future<void> getAuthToken() async {
+    try {
+      SpotifyPlayback.getAuthToken(clientId: Credentials.clientId,redirectUrl: Credentials.redirectUrl).then((authToken){
+        print(authToken);
+      });
+
+    } on PlatformException {
+      print('Failed to play.');
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
@@ -302,6 +313,12 @@ class _MyAppState extends State<MyApp> {
                                 "https://i.scdn.co/image/3269971d34d3f17f16efc2dfa95e302cc961a36c"),
                           ),
                       child: Text("Get image")),
+
+                  RaisedButton(
+                    onPressed: () => getAuthToken(),
+                    child: Text("Auth token"),
+                  ),
+
                   (image != null)
                       ? Image.memory(
                           image,

example/android/spotify-app-remote/build.gradle

@@ -129,6 +129,16 @@ class SpotifyPlayback {
   static String imageLinkToURi(String imageLink) {
     return "spotify:image:" + imageLink.replaceRange(0, imageLink.lastIndexOf("/") + 1, "");
   }
+
+  /// This method is used to get the authToken
+  static Future<String> getAuthToken(
+      {@required String clientId, @required String redirectUrl}) async {
+    final String token = await _channel.invokeMethod(
+        "getAuthToken", {"clientId": clientId, "redirectUrl": redirectUrl});
+    return token;
+  }
+
+
 }
 
 enum ImageDimension{