安卓:图片和视频路径在同一光标下，无需cursorLoader

ContentResolver contentResolver = getContentResolver();

Uri mediaUri = MediaStore.Files.getContentUri("external");

String[] projection = {MediaStore.Files.FileColumns.DATA};

String selection = MediaStore.Files.FileColumns.MEDIA_TYPE + "=? or " + MediaStore.Files.FileColumns.MEDIA_TYPE + "=?";
String[] selectionArgs = {String.valueOf(MediaStore.Files.FileColumns.MEDIA_TYPE_IMAGE), String.valueOf(MediaStore.Files.FileColumns.MEDIA_TYPE_VIDEO)};

Cursor cursor = contentResolver.query(mediaUri, projection, selection, selectionArgs, null);

if (cursor != null && cursor.moveToFirst()) {
    do {
        String path = cursor.getString(cursor.getColumnIndexOrThrow(MediaStore.Files.FileColumns.DATA));
        // 处理路径信息
    } while (cursor.moveToNext());
}