@Override public @Nullable Cursor query(final @NonNull Uri uri, final @Nullable String[] projection, final @Nullable String selection, final @Nullable String[] selectionArgs, final @Nullable String sortOrder) {
		return processQuery(uri, () -> mDelegate.query(toTargetUri(uri), projection, selection, selectionArgs, sortOrder));
	}
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