@Override public void notifyChange(final @NonNull Uri uri, final @Nullable ContentObserver observer) {
						resolver.notifyChange(toProxyUri(uri), observer);
					}
Documents provider for accessing files in / outside Island.

Created by Oasis on 2017/8/29.
fileprovider/src/main/java/com/oasisfeng/island/fileprovider/ExternalStorageProviderProxy.java