public static void getPhoto(Context context) {
   Uri imageUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
        ContentResolver mContentResolver = context.getContentResolver();
  String[] projImage = {MediaStore.Images.Media._ID
                , MediaStore.Images.Media.DATA
                , MediaStore.Images.Media.SIZE
                , MediaStore.Images.Media.DISPLAY_NAME};
     // 只查询jpeg和png的图片 //"image/mp4","image/3gp"
        Cursor mCursor = mContentResolver.query(imageUri, projImage,
                MediaStore.Images.Media.MIME_TYPE + " in(?, ?, ?)",
                new String[]{"image/jpeg", "image/png", "image/jpg"},
                MediaStore.Images.Media.DATE_MODIFIED + " desc");
 int pathIndex = mCursor
                .getColumnIndex(MediaStore.Images.Media.DATA);
 if (mCursor.moveToFirst()) {
            do {    // 获取图片的路径
                String path = mCursor.getString(pathIndex);
 // 获取该图片的父路径名
                File parentFile = new File(path).getParentFile();
                if (parentFile == null) {
                    continue;
                }
 //获取的文件地址
 String dirPath = parentFile.getAbsolutePath();
} while (mCursor.moveToNext());
}
mCursor.close();
}

public static void getVideo(Context context) {
Uri videoUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
        ContentResolver mContentResolver = context.getContentResolver();
String[] projVideo = {MediaStore.Video.Thumbnails._ID
                , MediaStore.Video.Thumbnails.DATA
                , MediaStore.Video.Media.DURATION
                , MediaStore.Video.Media.SIZE
                , MediaStore.Video.Media.DISPLAY_NAME
                , MediaStore.Video.Media.DATE_MODIFIED};
      Cursor mCursor = mContentResolver.query(videoUri, projVideo,
                MediaStore.Video.Media.MIME_TYPE + " in(?, ?, ?, ?)",
                new String[]{"video/mp4", "video/3gp", "video/avi", "video/rmvb"},
                MediaStore.Video.Media.DATE_MODIFIED + " desc");
      if (mCursor != null) {
            while (mCursor.moveToNext()) {
    // 获取视频的路径
                String path = mCursor.getString(mCursor.getColumnIndex(MediaStore.Video.Media.DATA));
                // 获取该视频的父路径名
                String dirPath = new File(path).getParentFile().getAbsolutePath();
   }
            mCursor.close();
        }