/**

     * 图片插入到系统相册,解决系统图库不能打开图片的问题

     */

    public static void insertImageToSystemGallery(Context context, String filePath, Bitmap bitmap){

        MediaStore.Images.Media.insertImage(context.getContentResolver(), bitmap, "", "");

        Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);

        Uri uri = Uri.fromFile(new File(filePath));

        intent.setData(uri);

        context.sendBroadcast(intent);

    }

//获取图片的绝对路径

private  String getFilePathByContentResolver(Context context, Uri uri) {

		if (null == uri) {

			return null;

		}

        Cursor c = context.getContentResolver().query(uri, null, null, null, null);

        String filePath  = null;

        if (null == c) {

            throw new IllegalArgumentException(

                    "Query on " + uri + " returns null result.");

        }

        try {

            if ((c.getCount() != 1) || !c.moveToFirst()) {

            } else {

            	filePath = c.getString(

            			c.getColumnIndexOrThrow(MediaColumns.DATA));

            }

        } finally {

            c.close();

        }

        return filePath;

    }