fix #39 accept http image uri

Author: dpreussler

mediacontroller/src/main/java/com/example/android/mediacontroller/testing/MediaAppTestDetails.kt

@@ -1196,7 +1196,7 @@ class CheckBrowseDepth(override val test: Test,
 
 /**
  * PASS: The artwork of each media item must be passed as a local URI and not a bitmap.
- *       The schema of the URI must be either SCHEME_CONTENT or SCHEME_ANDROID_RESOURCE.
+ *       The schema of the URI must be either SCHEME_CONTENT or SCHEME_ANDROID_RESOURCE or https.
  * FAIL: Otherwise
  */
 @RequiresApi(Build.VERSION_CODES.N)
@@ -1228,9 +1228,10 @@ class CheckMediaArtwork(override val test: Test,
                         future.complete(FAIL_ICONBITMAP_NON_NULL)
                     }
 
-                    // local URI schema must be content or android resource
+                    // URI schema must be content or android resource or https
                     if (it.description.iconUri?.scheme != ContentResolver.SCHEME_ANDROID_RESOURCE &&
-                            it.description.iconUri?.scheme != ContentResolver.SCHEME_CONTENT) {
+                        it.description.iconUri?.scheme != ContentResolver.SCHEME_CONTENT &&
+                        it.description.iconUri?.scheme != "https") {
                         future.complete(FAIL_INVALID_URI_SCHEMA)
                     }
                 }

mediacontroller/src/main/res/values/testing_strings.xml

@@ -195,7 +195,7 @@
     <string name="test_playing_state">Current playback state is in a playing statestring>
     <string name="test_browsable_items">Tree root must have at most 4 browsable itemsstring>
     <string name="test_root_items_type">Items at tree root must be all browsable or playablestring>
-    <string name="test_artwork_type_invalid_schema">Artwork URI schema must be SCHEME_CONTENT or SCHEME_ANDROID_RESOURCEstring>
+    <string name="test_artwork_type_invalid_schema">Artwork URI schema must be SCHEME_CONTENT or SCHEME_ANDROID_RESOURCE or httpsstring>
     <string name="test_artwork_type_non_null_icon">Artwork must not be a bitmapstring>
     <string name="test_content_style">This app supports content stylingstring>
     <string name="test_tree_depth">Tree maximum depth must be at most 3string>