Android代码 一个Lollipop风格的下来刷新

JellyRefreshLayoutA pull-down-to-refresh layout inspired by Lollipop overscrolled effectsPreviewDownloadGradle:repositories { maven { url "https://jitpack.io" }}dependencies { compile 'com.github.allan1st:JellyRefreshLayout:2.0'}or Maven jitpack.io https://jitp