@Override public @Nullable ParcelFileDescriptor openFile(final @NonNull Uri uri, final @NonNull String mode) throws FileNotFoundException {
		return mDelegate.openFile(toTargetUri(uri), mode);
	}
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