实现5.0的下拉刷新特效
.....................\MainActivity
.....................\............\.classpath
.....................\............\.gitignore
.....................\............\.project
.....................\............\.settings
.....................\............\.........\org.eclipse.jdt.core.prefs
.....................\............\AndroidManifest.xml
.....................\............\README.md
.....................\............\assets
.....................\............\bin
.....................\............\...\AndroidManifest.xml
.....................\............\...\MainActivity.apk
.....................\............\...\classes
.....................\............\...\.......\com
.....................\............\...\.......\...\storm
.....................\............\...\.......\...\.....\swiperefreshlayout
.....................\............\...\.......\...\.....\..................\BuildConfig.class
.....................\............\...\.......\...\.....\..................\MainActivity$1.class
.....................\............\...\.......\...\.....\..................\MainActivity.class
.....................\............\...\.......\...\.....\..................\R$attr.class
.....................\............\...\.......\...\.....\..................\R$color.class
.....................\............\...\.......\...\.....\..................\R$drawable.class
.....................\............\...\.......\...\.....\..................\R$id.class
.....................\............\...\.......\...\.....\..................\R$layout.class
.....................\............\...\.......\...\.....\..................\R$string.class
.....................\............\...\.......\...\.....\..................\R$style.class
.....................\............\...\.......\...\.....\..................\R.class
.....................\............\...\classes.dex
.....................\............\...\dexedLibs
.....................\............\...\.........\android-support-v4-5f590d49b5c3a1e1f3d8d9585cf2999b.jar
.....................\............\...\jarlist.cache
.....................\............\...\res
.....................\............\...\...\crunch
.....................\............\...\...\......\drawable-hdpi
.....................\............\...\...\......\.............\ic_launcher.png
.....................\............\...\...\......\drawable-mdpi
.....................\............\...\...\......\.............\ic_launcher.png
.....................\............\...\...\......\drawable-xhdpi
.....................\............\...\...\......\..............\ic_launcher.png
.....................\............\...\...\......\drawable-xxhdpi
.....................\............\...\...\......\...............\ic_launcher.png
.....................\............\...\resources.ap_
.....................\............\gen
.....................\............\...\com
.....................\............\...\...\storm
.....................\............\...\...\.....\swiperefreshlayout
.....................\............\...\...\.....\..................\BuildConfig.java
.....................\............\...\...\.....\..................\R.java
.....................\............\libs
.....................\............\....\android-support-v4.jar
.....................\............\proguard-project.txt
.....................\............\project.properties
.....................\............\res
.....................\............\...\drawable-hdpi
.....................\............\...\.............\ic_launcher.png
.....................\............\...\drawable-ldpi
.....................\............\...\drawable-mdpi
.....................\............\...\.............\ic_launcher.png
.....................\............\...\drawable-xhdpi
.....................\............\...\..............\ic_launcher.png
.....................\............\...\drawable-xxhdpi
.....................\............\...\...............\ic_launcher.png
.....................\............\...\layout
.....................\............\...\......\activity_main.xml