PullToRefresh examples of source package is a list of sliding a ListView in Android refresh, with the Android machine might be more familiar with this feature, like Tencent Weibo, QQ, major browsers, there are sliding down the refresh function list more common, and specifically how to achieve it? Perhaps you refer to this PullToRefresh source, the will to understand

johannilsson-android-pulltorefresh-c9a672a\.gitignore
..........................................\android-pull-to-refresh.png
..........................................\pulltorefresh\AndroidManifest.xml
..........................................\.............\default.properties
..........................................\.............\res\drawable\icon.png
..........................................\.............\...\........\pull_to_refresh_header_background.xml
..........................................\.............\...\........-hdpi\ic_pulltorefresh_arrow.png
..........................................\.............\...\.........ldpi\ic_pulltorefresh_arrow.png
..........................................\.............\...\.........mdpi\ic_pulltorefresh_arrow.png
..........................................\.............\...\layout\pull_to_refresh_header.xml
..........................................\.............\...\values\strings.xml
..........................................\.............\...\......-sv\strings.xml
..........................................\.............\src\com\markupartist\android\widget\PullToRefreshListView.java
..........................................\.............example\AndroidManifest.xml
..........................................\....................\default.properties
..........................................\....................\res\drawable\icon.png
..........................................\....................\...\........-hdpi\icon.png
..........................................\....................\...\.........ldpi\icon.png
..........................................\....................\...\.........mdpi\icon.png
..........................................\....................\...\layout\pull_to_refresh.xml
..........................................\....................\...\values\strings.xml
..........................................\....................\src\com\markupartist\android\example\pulltorefresh\PullToRefreshActivity.java
..........................................\README.md
..........................................\Thumbs.db
..........................................\pulltorefreshexample\src\com\markupartist\android\example\pulltorefresh
..........................................\.............\src\com\markupartist\android\widget
..........................................\.............example\src\com\markupartist\android\example
..........................................\.............\src\com\markupartist\android
..........................................\.............example\src\com\markupartist\android
..........................................\.............\src\com\markupartist
..........................................\.............example\src\com\markupartist
..........................................\.............\res\drawable
..........................................\.............\...\drawable-hdpi
..........................................\.............\...\drawable-ldpi
..........................................\.............\...\drawable-mdpi
..........................................\.............\...\layout
..........................................\.............\...\values
..........................................\.............\...\values-sv
..........................................\.............\src\com
..........................................\.............example\res\drawable
..........................................\....................\...\drawable-hdpi
..........................................\....................\...\drawable-ldpi
..........................................\....................\...\drawable-mdpi
..........................................\....................\...\layout
..........................................\....................\...\values
..........................................\....................\src\com
..........................................\.............\res
..........................................\.............\src
..........................................\.............example\res
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