Java 类android.provider.MediaStore.Images.Thumbnails 实例源码

项目：EditorImageAndText 文件：ImagePathUtil.java

/**
 * 得到缩略图
 */
private static HashMap<String, String> getThumbnail(ContentResolver cr) {
    String[] projection = {Thumbnails._ID, Thumbnails.IMAGE_ID,
            Thumbnails.DATA};
    Cursor cursor = cr.query(Thumbnails.EXTERNAL_CONTENT_URI, projection,
            null, null, null);
    HashMap<String, String> thumbnailList = new HashMap<String, String>();
    if (cursor.moveToFirst()) {
        int image_id;
        String image_path;
        int image_idColumn = cursor.getColumnIndex(Thumbnails.IMAGE_ID);
        int dataColumn = cursor.getColumnIndex(Thumbnails.DATA);

        do {
            image_id = cursor.getInt(image_idColumn);
            image_path = cursor.getString(dataColumn);
            thumbnailList.put("" + image_id, image_path);
        } while (cursor.moveToNext());
        cursor.close();
    }
    return thumbnailList;
}

项目：EditorImageAndText 文件：AlbumHelper.java

/**
     * 从数据库中得到缩略图
     *
     * @param cur
     */
    private void getThumbnailColumnData(Cursor cur) {
        if (cur.moveToFirst()) {
//          int _id;
            int image_id;
            String image_path;
//          int _idColumn = cur.getColumnIndex(Thumbnails._ID);
            int image_idColumn = cur.getColumnIndex(Thumbnails.IMAGE_ID);
            int dataColumn = cur.getColumnIndex(Thumbnails.DATA);

            do {
                // Get the field values
//              _id = cur.getInt(_idColumn);
                image_id = cur.getInt(image_idColumn);
                image_path = cur.getString(dataColumn);
                thumbnailList.put("" + image_id, image_path);
            } while (cur.moveToNext());
            cur.close();
        }
    }

项目：sctalk 文件：AlbumHelper.java

/**
 * 得到缩略图
 */
private void getThumbnail() {
    String[] projection = {
            Thumbnails._ID, Thumbnails.IMAGE_ID,
            Thumbnails.DATA
    };
    Cursor cursor = null;
    try {
        cursor = contentResolver.query(Thumbnails.EXTERNAL_CONTENT_URI,
                projection, null, null, null);
        getThumbnailColumnData(cursor);
    } catch (Exception e) {
        logger.e(e.getMessage());
    } finally {
        if (null != cursor) {
            cursor.close();
        }
    }
}

项目：sctalk 文件：AlbumHelper.java

/**
 * 从数据库中得到缩略图
 * 
 * @param cur
 */
private void getThumbnailColumnData(Cursor cur) {
    try {
        if (null == cur)
            return;
        if (cur.moveToFirst()) {
            @SuppressWarnings("unused")
            int cId;
            int image_id;
            String image_path;
            int _idColumn = cur.getColumnIndex(Thumbnails._ID);
            int image_idColumn = cur.getColumnIndex(Thumbnails.IMAGE_ID);
            int dataColumn = cur.getColumnIndex(Thumbnails.DATA);

            do {
                cId = cur.getInt(_idColumn);
                image_id = cur.getInt(image_idColumn);
                image_path = cur.getString(dataColumn);
                thumbnailList.put("" + image_id, image_path);
            } while (cur.moveToNext());
        }
    } catch (Exception e) {
        logger.e(e.getMessage());
    }
}

项目：yun2win-sdk-android 文件：FilesAdapter.java

@Override
protected Object doInBackground(FileItem... params) {
    Bitmap bitmap = null;
    // 鑾峰彇瑙嗛鐨勭缉鐣ュ浘
    FileItem item = params[0];
    bitmap = ThumbnailUtils.createVideoThumbnail(item.getFilePath(),
            Thumbnails.MICRO_KIND);
    bitmap = ThumbnailUtils.extractThumbnail(bitmap, width, height,
            ThumbnailUtils.OPTIONS_RECYCLE_INPUT);
    if (bitmap != null) {
        item.setIcon(bitmap);
        publishProgress();
        return bitmap;
    } else {
        return null;
    }
}

项目：android-open-project-demo-master 文件：PhotoUpload.java

private Bitmap getThumbnailImageFromMediaStore(Context context) {
    Resources res = context.getResources();

    final int kind = Thumbnails.MINI_KIND;

    BitmapFactory.Options opts = new BitmapFactory.Options();
    opts = new BitmapFactory.Options();

    try {
        final long id = Long.parseLong(getOriginalPhotoUri()
                .getLastPathSegment());
        Bitmap bitmap = Thumbnails.getThumbnail(
                context.getContentResolver(), id, kind, opts);
        bitmap = Utils.rotate(bitmap, getExifRotation(context));
        return bitmap;
    } catch (Exception e) {
        return null;
    }
}

项目：SimplifyReader2 文件：ImagePickerHelper.java

private void getThumbnailColumnData(Cursor cur) {
    mThumbnailList.clear();
    if (cur.moveToFirst()) {
        int image_id;
        int image_idColumn = cur.getColumnIndex(Thumbnails.IMAGE_ID);
        int dataColumn = cur.getColumnIndex(Thumbnails.DATA);
        String image_path;

        do {
            image_id = cur.getInt(image_idColumn);
            image_path = cur.getString(dataColumn);

            mThumbnailList.put("" + image_id, image_path);
        } while (cur.moveToNext());
    }
}

项目：JokeAndroidClient 文件：ImagePickerHelper.java

private void getThumbnailColumnData(Cursor cur) {
    mThumbnailList.clear();
    if (cur.moveToFirst()) {
        int image_id;
        int image_idColumn = cur.getColumnIndex(Thumbnails.IMAGE_ID);
        int dataColumn = cur.getColumnIndex(Thumbnails.DATA);
        String image_path;

        do {
            image_id = cur.getInt(image_idColumn);
            image_path = cur.getString(dataColumn);

            mThumbnailList.put("" + image_id, image_path);
        } while (cur.moveToNext());
    }
}

项目：ItHome 文件：AlbumHelper.java

private void getThumbnailColumnData(Cursor cur) {
    if (cur.moveToFirst()) {
        int _id;
        int image_id;
        String image_path;
        int _idColumn = cur.getColumnIndex(Thumbnails._ID);
        int image_idColumn = cur.getColumnIndex(Thumbnails.IMAGE_ID);
        int dataColumn = cur.getColumnIndex(Thumbnails.DATA);

        do {
            // Get the field values
            _id = cur.getInt(_idColumn);
            image_id = cur.getInt(image_idColumn);
            image_path = cur.getString(dataColumn);

            // Do something with the values.
            // Log.i(TAG, _id + " image_id:" + image_id + " path:"
            // + image_path + "---");
            // HashMap<String, String> hash = new HashMap<String, String>();
            // hash.put("image_id", image_id + "");
            // hash.put("path", image_path);
            // thumbnailList.add(hash);
            thumbnailList.put("" + image_id, image_path);
        } while (cur.moveToNext());
    }
}

项目：SimplifyReader 文件：ImagePickerHelper.java

private void getThumbnailColumnData(Cursor cur) {
    mThumbnailList.clear();
    if (cur.moveToFirst()) {
        int image_id;
        int image_idColumn = cur.getColumnIndex(Thumbnails.IMAGE_ID);
        int dataColumn = cur.getColumnIndex(Thumbnails.DATA);
        String image_path;

        do {
            image_id = cur.getInt(image_idColumn);
            image_path = cur.getString(dataColumn);

            mThumbnailList.put("" + image_id, image_path);
        } while (cur.moveToNext());
    }
}

项目：school_shop 文件：AlbumHelper.java

private void getThumbnailColumnData(Cursor cur) {
    if (cur.moveToFirst()) {
        int _id;
        int image_id;
        String image_path;
        int _idColumn = cur.getColumnIndex(Thumbnails._ID);
        int image_idColumn = cur.getColumnIndex(Thumbnails.IMAGE_ID);
        int dataColumn = cur.getColumnIndex(Thumbnails.DATA);

        do {
            // Get the field values
            _id = cur.getInt(_idColumn);
            image_id = cur.getInt(image_idColumn);
            image_path = cur.getString(dataColumn);

            // Do something with the values.
            // Log.i(TAG, _id + " image_id:" + image_id + " path:"
            // + image_path + "---");
            // HashMap<String, String> hash = new HashMap<String, String>();
            // hash.put("image_id", image_id + "");
            // hash.put("path", image_path);
            // thumbnailList.add(hash);
            thumbnailList.put("" + image_id, image_path);
        } while (cur.moveToNext());
    }
}

项目：CarApp 文件：AlbumHelper.java

private void getThumbnailColumnData(Cursor cur) {
    if (cur.moveToFirst()) {
        int _id;
        int image_id;
        String image_path;
        int _idColumn = cur.getColumnIndex(Thumbnails._ID);
        int image_idColumn = cur.getColumnIndex(Thumbnails.IMAGE_ID);
        int dataColumn = cur.getColumnIndex(Thumbnails.DATA);

        do {
            // Get the field values
            _id = cur.getInt(_idColumn);
            image_id = cur.getInt(image_idColumn);
            image_path = cur.getString(dataColumn);

            // Do something with the values.
            // Log.i(TAG, _id + " image_id:" + image_id + " path:"
            // + image_path + "---");
            // HashMap<String, String> hash = new HashMap<String, String>();
            // hash.put("image_id", image_id + "");
            // hash.put("path", image_path);
            // thumbnailList.add(hash);
            thumbnailList.put("" + image_id, image_path);
        } while (cur.moveToNext());
    }
}

项目：do_Album 文件：AlbumHelper.java

private void getVideoThumbnail() {
    String[] thumbColumns = { MediaStore.Video.Thumbnails.DATA, MediaStore.Video.Thumbnails.VIDEO_ID };
    // 视频其他信息的查询条件
    String[] mediaColumns = { MediaStore.Video.Media._ID, MediaStore.Video.Media.DATA, MediaStore.Video.Media.DURATION };
    Cursor cursor = cr.query(MediaStore.Video.Media.EXTERNAL_CONTENT_URI, mediaColumns, null, null, null);
    if (null != cursor) {
        if (cursor.moveToFirst()) {
            do {
                int id = cursor.getInt(cursor.getColumnIndex(MediaStore.Video.Media._ID));
                Cursor thumbCursor = cr.query(MediaStore.Video.Thumbnails.EXTERNAL_CONTENT_URI, thumbColumns, MediaStore.Video.Thumbnails.VIDEO_ID + "=" + id, null, null);
                if (thumbCursor.moveToFirst()) {
                    String thumbnails = thumbCursor.getString(thumbCursor.getColumnIndex(MediaStore.Video.Thumbnails.DATA));
                    // ThumbnailUtils.createVideoThumbnail(thumbnails,
                    // kind);
                    thumbnailList.put("" + id, thumbnails);
                }
            } while (cursor.moveToNext());
        }
        cursor.close();
    }
}

项目：GomeOnline 文件：PhotoSeletorActivity.java

public void getThumbnails() {
    ContentResolver cr = getContentResolver();
    String[] projection = { Thumbnails._ID, Thumbnails.IMAGE_ID, Thumbnails.DATA };
    Cursor cur = cr.query(Thumbnails.EXTERNAL_CONTENT_URI, projection, null, null, null);

    if (cur.moveToFirst()) {
        int _id;
        int image_id;
        String image_path;
        int _idColumn = cur.getColumnIndex(Thumbnails._ID);
        int image_idColumn = cur.getColumnIndex(Thumbnails.IMAGE_ID);
        int dataColumn = cur.getColumnIndex(Thumbnails.DATA);

        do {
            // Get the field values
            _id = cur.getInt(_idColumn);
            image_id = cur.getInt(image_idColumn);
            image_path = cur.getString(dataColumn);

            // Do something with the values.
            Log.e(TAG, _id + " image_id:" + image_id + " path:" + image_path + "---");

        } while (cur.moveToNext());

    }
}

项目：Auie 文件：UEImageManager.java

/**
 * 创建图片缩略图集合
 */
private void createThumbnails(){
    Cursor cursor = mContentResolver.query(Thumbnails.EXTERNAL_CONTENT_URI, THUMBNAILS_PROJECTTION, null, null, null);
    if (cursor.moveToFirst()) {
        int id;
        String data;
        int idIndex  = cursor.getColumnIndex(Thumbnails.IMAGE_ID);
        int dataIndex = cursor.getColumnIndex(Thumbnails.DATA);
        thumbnails.clear();
        do{
            id = cursor.getInt(idIndex );
            data = cursor.getString(dataIndex);
            thumbnails.put(String.valueOf(id), data);
        }while(cursor.moveToNext());
    }
    cursor.close();
}

项目：android-open-project-demo 文件：PhotoUpload.java

private Bitmap getThumbnailImageFromMediaStore(Context context) {
    Resources res = context.getResources();

    final int kind = Thumbnails.MINI_KIND;

    BitmapFactory.Options opts = new BitmapFactory.Options();
    opts = new BitmapFactory.Options();

    try {
        final long id = Long.parseLong(getOriginalPhotoUri()
                .getLastPathSegment());
        Bitmap bitmap = Thumbnails.getThumbnail(
                context.getContentResolver(), id, kind, opts);
        bitmap = Utils.rotate(bitmap, getExifRotation(context));
        return bitmap;
    } catch (Exception e) {
        return null;
    }
}

项目：IkantechSupport 文件：YiImageUtil.java

public static Uri getBitmapFromImageId(Activity activity, int imageId)
{
    String[] tinyImgPprojection =
        { MediaStore.Images.Thumbnails._ID };
    Cursor tinyCursor = Thumbnails.queryMiniThumbnail(
            activity.getContentResolver(), imageId, Thumbnails.MINI_KIND,
            tinyImgPprojection);
    if (tinyCursor.getCount() != 0)
    {
        tinyCursor.moveToFirst();
        int tinyImgId = tinyCursor.getInt(tinyCursor
                .getColumnIndexOrThrow(MediaStore.Images.Thumbnails._ID));
        tinyCursor.close();
        return Uri.withAppendedPath(
                MediaStore.Images.Thumbnails.EXTERNAL_CONTENT_URI,
                String.valueOf(tinyImgId));
    }
    else
    {
        tinyCursor.close();
        return null;
    }
}

项目：EditorImageAndText 文件：AlbumHelper.java

/**
 * 得到缩略图
 */
private void getThumbnail() {
    String[] projection = {Thumbnails._ID, Thumbnails.IMAGE_ID,
            Thumbnails.DATA};
    Cursor cursor = cr.query(Thumbnails.EXTERNAL_CONTENT_URI, projection,
            null, null, null);
    getThumbnailColumnData(cursor);
}

项目：amap 文件：GetLocalPic.java

/**
 * 
 * 通过ContentResolver查找本地图库照片的url
 * 
 * @LastModifiedDate：2013-12-6
 * @author he
 */
private static void findimagepath(Context mContext)

{
    list = new ArrayList<String>();
    ContentResolver cr = mContext.getContentResolver();
    String[] imagedata = { Thumbnails._ID, Thumbnails.IMAGE_ID,
            Thumbnails.DATA };// 找到image
    Cursor cursor = cr.query(Thumbnails.EXTERNAL_CONTENT_URI, imagedata,
            null, null, null); // 利用游标找image
    getColumnData(cursor);
}

项目：amap 文件：GetLocalPic.java

/**
 * 
 * 通过解析游标拿取实际的值
 * 
 * @author he
 */

private static void getColumnData(Cursor cur)

{
    if (cur.moveToFirst()) {
        String image_path;
        int dataColumn = cur.getColumnIndex(Thumbnails.DATA);

        do {
            image_path = cur.getString(dataColumn);
            list.add(image_path);
        } while (cur.moveToNext());
    }
}

项目：ItHome 文件：AlbumHelper.java

private void getThumbnail() {
    String[] projection = { Thumbnails._ID, Thumbnails.IMAGE_ID,
            Thumbnails.DATA };
    Cursor cursor = cr.query(Thumbnails.EXTERNAL_CONTENT_URI, projection,
            null, null, null);
    getThumbnailColumnData(cursor);
}

项目：WiCamera3D 文件：OperationFile.java

public static Bitmap getVideotThumbnail(String path, int width, int height) {
    Bitmap srcBitmap = ThumbnailUtils.createVideoThumbnail(path,
            Thumbnails.FULL_SCREEN_KIND);
    Bitmap targetedbitmap = ThumbnailUtils.extractThumbnail(srcBitmap,
            width, height, ThumbnailUtils.OPTIONS_RECYCLE_INPUT);
    return targetedbitmap;

}

项目：quickmark 文件：AlbumHelper.java

/**
 * �õ�����ͼ
 */
private void getThumbnail() {
    String[] projection = { Thumbnails._ID, Thumbnails.IMAGE_ID,
            Thumbnails.DATA };
    Cursor cursor = cr.query(Thumbnails.EXTERNAL_CONTENT_URI, projection,
            null, null, null);
    getThumbnailColumnData(cursor);
}

项目：quickmark 文件：AlbumHelper.java

/**
 * �����ݿ��еõ�����ͼ
 * 
 * @param cur
 */
private void getThumbnailColumnData(Cursor cur) {
    if (cur.moveToFirst()) {
        int _id;
        int image_id;
        String image_path;
        int _idColumn = cur.getColumnIndex(Thumbnails._ID);
        int image_idColumn = cur.getColumnIndex(Thumbnails.IMAGE_ID);
        int dataColumn = cur.getColumnIndex(Thumbnails.DATA);

        do {
            // Get the field values
            _id = cur.getInt(_idColumn);
            image_id = cur.getInt(image_idColumn);
            image_path = cur.getString(dataColumn);

            // Do something with the values.
            // Log.i(TAG, _id + " image_id:" + image_id + " path:"
            // + image_path + "---");
            // HashMap<String, String> hash = new HashMap<String, String>();
            // hash.put("image_id", image_id + "");
            // hash.put("path", image_path);
            // thumbnailList.add(hash);
            thumbnailList.put("" + image_id, image_path);
        } while (cur.moveToNext());
    }
}

项目：school_shop 文件：AlbumHelper.java

private void getThumbnail() {
    String[] projection = { Thumbnails._ID, Thumbnails.IMAGE_ID,
            Thumbnails.DATA };
    Cursor cursor = cr.query(Thumbnails.EXTERNAL_CONTENT_URI, projection,
            null, null, null);
    getThumbnailColumnData(cursor);
}

项目：do_Album 文件：AlbumHelper.java

/**
 * 从数据库中得到缩略图
 * 
 * @param cur
 */
private void getThumbnailColumnData(Cursor cur) {
    if (cur.moveToFirst()) {
        int image_id;
        String image_path;
        int image_idColumn = cur.getColumnIndex(Thumbnails.IMAGE_ID);
        int dataColumn = cur.getColumnIndex(Thumbnails.DATA);

        do {
            image_id = cur.getInt(image_idColumn);
            image_path = cur.getString(dataColumn);
            thumbnailList.put("" + image_id, image_path);
        } while (cur.moveToNext());
    }
}

项目：do_Album 文件：AlbumHelper.java

private void getVideoBucket() {
    // 构造视频缩略图
    getVideoThumbnail();
    // 添加视频bucket
    String[] proj = { 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 = cr.query(MediaStore.Video.Media.EXTERNAL_CONTENT_URI, proj, MediaStore.Video.Media.MIME_TYPE + "=?", new String[] { "video/mp4" }, MediaStore.Video.Media.DATE_MODIFIED
            + " desc");
    if (mCursor != null) {
        while (mCursor.moveToNext()) {
            // 获取视频的路径
            String videoId = mCursor.getString(mCursor.getColumnIndexOrThrow(MediaStore.Video.Media._ID));
            String path = mCursor.getString(mCursor.getColumnIndexOrThrow(MediaStore.Video.Media.DATA));
            long duration = mCursor.getLong(mCursor.getColumnIndexOrThrow(MediaStore.Video.Media.DURATION));
            // 提前生成缩略图，再获取：http://stackoverflow.com/questions/27903264/how-to-get-the-video-thumbnail-path-and-not-the-bitmap
            MediaStore.Video.Thumbnails.getThumbnail(cr, Long.valueOf(videoId), MediaStore.Video.Thumbnails.MICRO_KIND, null);

            ImageBucket bucket = bucketList.get("do_Album_Video");
            if (bucket == null) {
                bucket = new ImageBucket();
                bucketList.put("do_Album_Video", bucket);
                bucket.imageList = new ArrayList<ImageItem>();
                bucket.bucketName = "Video";
            }
            bucket.count++;
            ImageItem imageItem = new ImageItem();
            imageItem.imageId = videoId;
            imageItem.imagePath = path;
            imageItem.thumbnailPath = thumbnailList.get(videoId);
            imageItem.duration = getFormat(duration);
            bucket.imageList.add(imageItem);
        }
        mCursor.close();
    }
}

项目：android-screenshot-gallery 文件：PictureGridFragment.java

@Override
public void bindView(View view, Context context, Cursor cursor)
{
    ((ThumbView)view.findViewById(R.id.picture_item_thumb))
        .setImageThumbnail(cursor.getLong(PictureQuery._ID), Thumbnails.MICRO_KIND);

    ((TextView)view.findViewById(R.id.picture_item_text1))
        .setText(cursor.getString(PictureQuery.TITLE));

    ((TextView)view.findViewById(R.id.picture_item_text2))
        .setText(DateFormat.getDateFormat(view.getContext())
            .format(cursor.getLong(PictureQuery.DATE)));
}

项目：android-screenshot-gallery 文件：ThumbView.java

public void cancel()
{
    super.cancel(false);
    Thumbnails.cancelThumbnailRequest(
        getContext().getContentResolver()
        , mId);
}

项目：UltimateAndroid 文件：AlbumHelper.java

/**
 * 得到缩略图
 */
private void getThumbnail() {
    String[] projection = { Thumbnails._ID, Thumbnails.IMAGE_ID,
            Thumbnails.DATA };
    Cursor cursor = cr.query(Thumbnails.EXTERNAL_CONTENT_URI, projection,
            null, null, null);
    getThumbnailColumnData(cursor);
}

项目：UltimateAndroid 文件：AlbumHelper.java

/**
 * 从数据库中得到缩略图
 * 
 * @param cur
 */
private void getThumbnailColumnData(Cursor cur) {
    if (cur.moveToFirst()) {
        int _id;
        int image_id;
        String image_path;
        int _idColumn = cur.getColumnIndex(Thumbnails._ID);
        int image_idColumn = cur.getColumnIndex(Thumbnails.IMAGE_ID);
        int dataColumn = cur.getColumnIndex(Thumbnails.DATA);

        do {
            // Get the field values
            _id = cur.getInt(_idColumn);
            image_id = cur.getInt(image_idColumn);
            image_path = cur.getString(dataColumn);

            // Do something with the values.
            // Log.i(TAG, _id + " image_id:" + image_id + " path:"
            // + image_path + "---");
            // HashMap<String, String> hash = new HashMap<String, String>();
            // hash.put("image_id", image_id + "");
            // hash.put("path", image_path);
            // thumbnailList.add(hash);
            thumbnailList.put("" + image_id, image_path);
        } while (cur.moveToNext());
    }
}

项目：BigApp_Discuz_Android 文件：CameraUtils.java

/** 创建视频缩略图，返回缩略图文件路径 */
public String createVideoThumbnail(String filePath, String fileName){
    Bitmap videoThumb = ThumbnailUtils.createVideoThumbnail(filePath, Thumbnails.MINI_KIND);  //关键代码！！
    return saveBitmap(videoThumb, fileName);  //注：saveBitmap方法为保存图片并返回路径的private方法

}

项目：SimplifyReader2 文件：ImagePickerHelper.java

private void getThumbnail() {
    String[] projection = { Thumbnails._ID, Thumbnails.IMAGE_ID, Thumbnails.DATA };
    Cursor cursor = contentResolver.query(Thumbnails.EXTERNAL_CONTENT_URI, projection, null, null, null);
    getThumbnailColumnData(cursor);
}

项目：JokeAndroidClient 文件：ImagePickerHelper.java

private void getThumbnail() {
    String[] projection = { Thumbnails._ID, Thumbnails.IMAGE_ID, Thumbnails.DATA };
    Cursor cursor = contentResolver.query(Thumbnails.EXTERNAL_CONTENT_URI, projection, null, null, null);
    getThumbnailColumnData(cursor);
}

项目：SimplifyReader 文件：ImagePickerHelper.java

private void getThumbnail() {
    String[] projection = { Thumbnails._ID, Thumbnails.IMAGE_ID, Thumbnails.DATA };
    Cursor cursor = contentResolver.query(Thumbnails.EXTERNAL_CONTENT_URI, projection, null, null, null);
    getThumbnailColumnData(cursor);
}

项目：PEP---Notes 文件：BitmapHelper.java

/**
   * Retrieves a the bitmap relative to attachment based on mime type
   */
  public static Bitmap getBitmapFromAttachment(Context mContext, Attachment mAttachment, int width, int height) {
      Bitmap bmp = null;
      String path;
      mAttachment.getUri().getPath();

      // Video
      if (Constants.MIME_TYPE_VIDEO.equals(mAttachment.getMime_type())) {
          // Tries to retrieve full path from ContentResolver if is a new video
          path = StorageHelper.getRealPathFromURI(mContext,
                  mAttachment.getUri());
          // .. or directly from local directory otherwise
          if (path == null) {
              path = FileHelper.getPath(mContext, mAttachment.getUri());
          }
          bmp = ThumbnailUtils.createVideoThumbnail(path,
                  Thumbnails.MINI_KIND);
          if (bmp == null) {
              return null;
          } else {
              bmp = BitmapUtils.createVideoThumbnail(mContext, bmp, width, height);
          }

// Image
      } else if (Constants.MIME_TYPE_IMAGE.equals(mAttachment.getMime_type())
              || Constants.MIME_TYPE_SKETCH.equals(mAttachment.getMime_type())) {
          try {
              bmp = BitmapHelper.getThumbnail(mContext, mAttachment.getUri(), width, height);
          } catch (NullPointerException e) {
              bmp = null;
          }

// Audio
      } else if (Constants.MIME_TYPE_AUDIO.equals(mAttachment.getMime_type())) {
          bmp = ThumbnailUtils.extractThumbnail(
                  decodeSampledBitmapFromResourceMemOpt(mContext.getResources().openRawResource(R.drawable.play),
                          width, height), width, height);

// File
} else if (Constants.MIME_TYPE_FILES.equals(mAttachment.getMime_type())) {

    // vCard
    if (Constants.MIME_TYPE_CONTACT_EXT.equals(FilenameUtils.getExtension(mAttachment.getName()))) {
        bmp = ThumbnailUtils.extractThumbnail(
                decodeSampledBitmapFromResourceMemOpt(mContext.getResources().openRawResource(R.drawable.vcard),
                        width, height), width, height);
    } else {
        bmp = ThumbnailUtils.extractThumbnail(
                decodeSampledBitmapFromResourceMemOpt(mContext.getResources().openRawResource(R.drawable.files),

                        width, height), width, height);
    }
}

      return bmp;
  }

项目：WiCamera3D 文件：MPOFileStreamParser.java

/**
 * 获取MPO文件的预设打下的缩略图
 * @param filePath
 * @param thumbSize
 * @return
 */
static public Bitmap[] getThumbnails(String filePath, int thumbSize){//×

    switch (thumbSize) {
    case Thumbnails.FULL_SCREEN_KIND:

        break;

    case Thumbnails.MINI_KIND:

        break;

    case Thumbnails.MICRO_KIND:

        break;

    default:
        break;
    }

    return null;
}

项目：CarApp 文件：AlbumHelper.java

private void getThumbnail() {
    String[] projection = { Thumbnails._ID, Thumbnails.IMAGE_ID, Thumbnails.DATA };
    Cursor cursor = cr.query(Thumbnails.EXTERNAL_CONTENT_URI, projection, null, null, null);
    getThumbnailColumnData(cursor);
}

项目：do_Album 文件：AlbumHelper.java

/**
 * 得到缩略图
 */
private void getThumbnail() {
    String[] projection = { Thumbnails._ID, Thumbnails.IMAGE_ID, Thumbnails.DATA };
    Cursor cursor = cr.query(Thumbnails.EXTERNAL_CONTENT_URI, projection, null, null, null);
    getThumbnailColumnData(cursor);
}

项目：android-screenshot-gallery 文件：ThumbView.java

@Override
protected Bitmap doInBackground(Void... params)
{
    return Thumbnails.getThumbnail(getContext().getContentResolver(),
        mId, mKind, null);
}