下拉时头部图片会缩放并且有刷新功能的组件
根据PullZoomView改造而来,感谢作者的开源精神
##感谢
Developers @matrixxun PullToZoomInListView,@PullZoomView
##About me
##License
Copyright 2015 MrRock
Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.