private fun initLoaderManage() {

    mImagesItems.clear()    //先清理一次
    var instance = getInstance(this)
    instance.initLoader(LOADER_ID, null, object : LoaderCallbacks<Cursor> {
        //获取图片数据
        override fun onCreateLoader(id: Int, args: Bundle?): Loader<Cursor> {
            if (id == LOADER_ID) {
                return CursorLoader(
                    this@SelectImageActivity, MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
                    arrayOf("_data,_display_name,date_added"), null, null, "date_added DESC"
                )
            }
            return null!!
        }

        override fun onLoadFinished(loader: Loader<Cursor>, data: Cursor?) {

                    //获取完成
                    if (data != null) {

                        val columnNames = data.columnNames
                        while (data.moveToNext()){
                            //在这里获取链接
                            mImagesItems.add(ImageItem(data.getString(0),data.getString(1),data.getLong(2)))
                        }
                    }
                    data!!.close()
                    for(image in mImagesItems){
                        Log.d(TAG,image.toString())
                    }

        }

        override fun onLoaderReset(loader: Loader<Cursor>) {

        }

    })

}