程序博客网 > java bigdecimal 开方

Android开发 - ActivityLifecycleCallbacks使用方法初探

来源：互联网 发布：java bigdecimal 开方 编辑：程序博客网 时间：2024/05/20 17:41


http://blog.csdn.net/u012146107/article/details/11833099

http://blog.csdn.net/u012146107/article/details/11833099

http://blog.csdn.net/u012146107/article/details/11833099http://blog.csdn.net/u012146107/article/details/11833099

http://blog.csdn.net/u012146107/article/details/11833099

http://blog.csdn.net/u012146107/article/details/11833099








 

Android开发 - ActivityLifecycleCallbacks使用方法初探

分类： Android学习笔记2014-10-21 14:51 431人阅读 评论(0) 收藏 举报
AndroidActivityLifecycleCallbackActivityLifecycleCal

目录(?)[+]

ActivityLifecycleCallbacks是什么？

  • Application通过此接口提供了一套回调方法，用于让开发者对Activity的生命周期事件进行集中处理。

为什么用ActivityLifecycleCallbacks？

  • 以往若需监测Activity的生命周期事件代码，你可能是这样做的，重写每一个Acivity的onResume()，然后作统计和处理：
    <div class="line"><span class="text plain"><span class="meta paragraph text"></span></span></div><div class="dp-highlighter bg_java" style="font-family: Consolas, 'Courier New', Courier, mono, serif; font-size: 12px; width: 653.390625px; overflow: auto; padding-top: 1px; margin: 18px 0px !important; background-color: rgb(231, 229, 220);"><div class="bar" style="padding-left: 45px;"><div class="tools" style="padding: 3px 8px 10px 10px; font-stretch: normal; font-size: 9px; line-height: normal; font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; color: silver; border-left-width: 3px; border-left-style: solid; border-left-color: rgb(153, 153, 153); background-color: rgb(248, 248, 248);"><strong>[java]</strong> <a target=_blank href="http://blog.csdn.net/tongcpp/article/details/40344871#" class="ViewSource" title="view plain" style="color: rgb(160, 160, 160); text-decoration: none; border: none; padding: 0px; margin: 0px 10px 0px 0px; font-size: 9px; background-image: none; background-attachment: initial; background-color: inherit; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;">view plain</a><a target=_blank href="http://blog.csdn.net/tongcpp/article/details/40344871#" class="CopyToClipboard" title="copy" style="color: rgb(160, 160, 160); text-decoration: none; border: none; padding: 0px; margin: 0px 10px 0px 0px; font-size: 9px; background-image: none; background-attachment: initial; background-color: inherit; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;">copy</a><a target=_blank href="http://blog.csdn.net/tongcpp/article/details/40344871#" class="PrintSource" title="print" style="color: rgb(160, 160, 160); text-decoration: none; border: none; padding: 0px; margin: 0px 10px 0px 0px; font-size: 9px; background-image: none; background-attachment: initial; background-color: inherit; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;">print</a><a target=_blank href="http://blog.csdn.net/tongcpp/article/details/40344871#" class="About" title="?" style="color: rgb(160, 160, 160); text-decoration: none; border: none; padding: 0px; margin: 0px 10px 0px 0px; font-size: 9px; background-image: none; background-attachment: initial; background-color: inherit; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;">?</a><a target=_blank href="https://code.csdn.net/snippets/491145" target="_blank" title="在CODE上查看代码片" style="color: rgb(160, 160, 160); text-decoration: none; border: none; padding: 0px; margin: 0px 10px 0px 0px; font-size: 9px; background-image: none; background-attachment: initial; background-color: inherit; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"><img src="https://code.csdn.net/assets/CODE_ico.png" width="12" height="12" alt="在CODE上查看代码片" style="border: none; max-width: 100%; position: relative; top: 1px; left: 2px;" /></a><a target=_blank href="https://code.csdn.net/snippets/491145/fork" target="_blank" title="派生到我的代码片" style="color: rgb(160, 160, 160); text-decoration: none; border: none; padding: 0px; margin: 0px 10px 0px 0px; font-size: 9px; background-image: none; background-attachment: initial; background-color: inherit; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"><img src="https://code.csdn.net/assets/ico_fork.svg" width="12" height="12" alt="派生到我的代码片" style="border: none; max-width: 100%; position: relative; top: 2px; left: 2px;" /></a><div style="position: absolute; left: 647px; top: 725px; width: 27px; height: 15px; z-index: 99;"></div></div></div><ol start="1" class="dp-j" style="padding: 0px; border: none; list-style-position: initial; list-style-image: initial; color: rgb(92, 92, 92); margin: 0px 0px 1px 45px !important; background-color: rgb(255, 255, 255);"><li class="alt" style="border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: inherit; line-height: 18px; margin: 0px !important; padding: 0px 3px 0px 10px !important;"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;"><span class="annotation" style="margin: 0px; padding: 0px; border: none; color: rgb(100, 100, 100); background-color: inherit;">@Override</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;">  </span></span></li><li style="margin: 0px !important; padding: 0px 3px 0px 10px !important; border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: rgb(119, 119, 119); line-height: 18px; background-color: rgb(249, 249, 249);"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;"><span class="keyword" style="margin: 0px; padding: 0px; border: none; color: green; font-weight: bold; background-color: inherit;">protected</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;"> </span><span class="keyword" style="margin: 0px; padding: 0px; border: none; color: green; font-weight: bold; background-color: inherit;">void</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;"> onResume() {  </span></span></li><li class="alt" style="border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: inherit; line-height: 18px; margin: 0px !important; padding: 0px 3px 0px 10px !important;"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">  <span class="keyword" style="margin: 0px; padding: 0px; border: none; color: green; font-weight: bold; background-color: inherit;">super</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;">.onResume();  </span></span></li><li style="margin: 0px !important; padding: 0px 3px 0px 10px !important; border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: rgb(119, 119, 119); line-height: 18px; background-color: rgb(249, 249, 249);"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">  <span class="comment" style="margin: 0px; padding: 0px; border: none; color: rgb(170, 202, 179); background-color: inherit;">//TODO 处理和统计代码</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;">  </span></span></li><li class="alt" style="border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: inherit; line-height: 18px; margin: 0px !important; padding: 0px 3px 0px 10px !important;"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">  Log.v(TAG, <span class="string" style="margin: 0px; padding: 0px; border: none; color: rgb(255, 153, 0); background-color: inherit;">"onResume"</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;">);  </span></span></li><li style="margin: 0px !important; padding: 0px 3px 0px 10px !important; border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: rgb(119, 119, 119); line-height: 18px; background-color: rgb(249, 249, 249);"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">  Logger.v(TAG, <span class="string" style="margin: 0px; padding: 0px; border: none; color: rgb(255, 153, 0); background-color: inherit;">"onResume"</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;">);  </span></span></li><li class="alt" style="border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: inherit; line-height: 18px; margin: 0px !important; padding: 0px 3px 0px 10px !important;"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">  Logging.v(TAG, <span class="string" style="margin: 0px; padding: 0px; border: none; color: rgb(255, 153, 0); background-color: inherit;">"onResume"</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;">);  </span></span></li><li style="margin: 0px !important; padding: 0px 3px 0px 10px !important; border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: rgb(119, 119, 119); line-height: 18px; background-color: rgb(249, 249, 249);"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">  ...  </span></li><li class="alt" style="border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: inherit; line-height: 18px; margin: 0px !important; padding: 0px 3px 0px 10px !important;"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">}  </span></li></ol></div><div class="line"><span class="text plain"><span class="meta paragraph text"></span></span></div>
  • ActivityLifecycleCallbacks接口回调可以简化这一繁琐过程，在一个类中作统一处理

ActivityLifecycleCallbacks怎么用？

  • android.app.Application.ActivityLifecycleCallbacks
  • 要求API 14+ （Android 4.0+）
  • 继承Application
    <div class="line"><span class="text plain"><span class="meta paragraph text"></span></span><div class="dp-highlighter bg_java" style="font-family: Consolas, 'Courier New', Courier, mono, serif; font-size: 12px; width: 653.390625px; overflow: auto; padding-top: 1px; margin: 18px 0px !important; background-color: rgb(231, 229, 220);"><div class="bar" style="padding-left: 45px;"><div class="tools" style="padding: 3px 8px 10px 10px; font-stretch: normal; font-size: 9px; line-height: normal; font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; color: silver; border-left-width: 3px; border-left-style: solid; border-left-color: rgb(153, 153, 153); background-color: rgb(248, 248, 248);"><strong>[java]</strong> <a target=_blank href="http://blog.csdn.net/tongcpp/article/details/40344871#" class="ViewSource" title="view plain" style="color: rgb(160, 160, 160); text-decoration: none; border: none; padding: 0px; margin: 0px 10px 0px 0px; font-size: 9px; background-image: none; background-attachment: initial; background-color: inherit; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;">view plain</a><a target=_blank href="http://blog.csdn.net/tongcpp/article/details/40344871#" class="CopyToClipboard" title="copy" style="color: rgb(160, 160, 160); text-decoration: none; border: none; padding: 0px; margin: 0px 10px 0px 0px; font-size: 9px; background-image: none; background-attachment: initial; background-color: inherit; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;">copy</a><a target=_blank href="http://blog.csdn.net/tongcpp/article/details/40344871#" class="PrintSource" title="print" style="color: rgb(160, 160, 160); text-decoration: none; border: none; padding: 0px; margin: 0px 10px 0px 0px; font-size: 9px; background-image: none; background-attachment: initial; background-color: inherit; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;">print</a><a target=_blank href="http://blog.csdn.net/tongcpp/article/details/40344871#" class="About" title="?" style="color: rgb(160, 160, 160); text-decoration: none; border: none; padding: 0px; margin: 0px 10px 0px 0px; font-size: 9px; background-image: none; background-attachment: initial; background-color: inherit; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;">?</a><a target=_blank href="https://code.csdn.net/snippets/491145" target="_blank" title="在CODE上查看代码片" style="color: rgb(160, 160, 160); text-decoration: none; border: none; padding: 0px; margin: 0px 10px 0px 0px; font-size: 9px; background-image: none; background-attachment: initial; background-color: inherit; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"><img src="https://code.csdn.net/assets/CODE_ico.png" width="12" height="12" alt="在CODE上查看代码片" style="border: none; max-width: 100%; position: relative; top: 1px; left: 2px;" /></a><a target=_blank href="https://code.csdn.net/snippets/491145/fork" target="_blank" title="派生到我的代码片" style="color: rgb(160, 160, 160); text-decoration: none; border: none; padding: 0px; margin: 0px 10px 0px 0px; font-size: 9px; background-image: none; background-attachment: initial; background-color: inherit; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"><img src="https://code.csdn.net/assets/ico_fork.svg" width="12" height="12" alt="派生到我的代码片" style="border: none; max-width: 100%; position: relative; top: 2px; left: 2px;" /></a><div style="position: absolute; left: 647px; top: 1151px; width: 27px; height: 15px; z-index: 99;"></div></div></div><ol start="1" class="dp-j" style="padding: 0px; border: none; list-style-position: initial; list-style-image: initial; color: rgb(92, 92, 92); margin: 0px 0px 1px 45px !important; background-color: rgb(255, 255, 255);"><li class="alt" style="border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: inherit; line-height: 18px; margin: 0px !important; padding: 0px 3px 0px 10px !important;"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;"><span class="keyword" style="margin: 0px; padding: 0px; border: none; color: green; font-weight: bold; background-color: inherit;">public</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;"> </span><span class="keyword" style="margin: 0px; padding: 0px; border: none; color: green; font-weight: bold; background-color: inherit;">class</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;"> BaseApplication </span><span class="keyword" style="margin: 0px; padding: 0px; border: none; color: green; font-weight: bold; background-color: inherit;">extends</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;"> Application  </span></span></li></ol></div></div>
  • 在AndroidManifest里起用自定义Application
    <div class="line"><span class="text plain"><span class="meta paragraph text"></span></span><div class="dp-highlighter bg_html" style="font-family: Consolas, 'Courier New', Courier, mono, serif; font-size: 12px; width: 653.390625px; overflow: auto; padding-top: 1px; margin: 18px 0px !important; background-color: rgb(231, 229, 220);"><div class="bar" style="padding-left: 45px;"><div class="tools" style="padding: 3px 8px 10px 10px; font-stretch: normal; font-size: 9px; line-height: normal; font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; color: silver; border-left-width: 3px; border-left-style: solid; border-left-color: rgb(153, 153, 153); background-color: rgb(248, 248, 248);"><strong>[html]</strong> <a target=_blank href="http://blog.csdn.net/tongcpp/article/details/40344871#" class="ViewSource" title="view plain" style="color: rgb(160, 160, 160); text-decoration: none; border: none; padding: 0px; margin: 0px 10px 0px 0px; font-size: 9px; background-image: none; background-attachment: initial; background-color: inherit; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;">view plain</a><a target=_blank href="http://blog.csdn.net/tongcpp/article/details/40344871#" class="CopyToClipboard" title="copy" style="color: rgb(160, 160, 160); text-decoration: none; border: none; padding: 0px; margin: 0px 10px 0px 0px; font-size: 9px; background-image: none; background-attachment: initial; background-color: inherit; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;">copy</a><a target=_blank href="http://blog.csdn.net/tongcpp/article/details/40344871#" class="PrintSource" title="print" style="color: rgb(160, 160, 160); text-decoration: none; border: none; padding: 0px; margin: 0px 10px 0px 0px; font-size: 9px; background-image: none; background-attachment: initial; background-color: inherit; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;">print</a><a target=_blank href="http://blog.csdn.net/tongcpp/article/details/40344871#" class="About" title="?" style="color: rgb(160, 160, 160); text-decoration: none; border: none; padding: 0px; margin: 0px 10px 0px 0px; font-size: 9px; background-image: none; background-attachment: initial; background-color: inherit; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;">?</a><a target=_blank href="https://code.csdn.net/snippets/491145" target="_blank" title="在CODE上查看代码片" style="color: rgb(160, 160, 160); text-decoration: none; border: none; padding: 0px; margin: 0px 10px 0px 0px; font-size: 9px; background-image: none; background-attachment: initial; background-color: inherit; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"><img src="https://code.csdn.net/assets/CODE_ico.png" width="12" height="12" alt="在CODE上查看代码片" style="border: none; max-width: 100%; position: relative; top: 1px; left: 2px;" /></a><a target=_blank href="https://code.csdn.net/snippets/491145/fork" target="_blank" title="派生到我的代码片" style="color: rgb(160, 160, 160); text-decoration: none; border: none; padding: 0px; margin: 0px 10px 0px 0px; font-size: 9px; background-image: none; background-attachment: initial; background-color: inherit; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"><img src="https://code.csdn.net/assets/ico_fork.svg" width="12" height="12" alt="派生到我的代码片" style="border: none; max-width: 100%; position: relative; top: 2px; left: 2px;" /></a><div style="position: absolute; left: 649px; top: 1301px; width: 27px; height: 15px; z-index: 99;"></div></div></div><ol start="1" class="dp-xml" style="padding: 0px; border: none; list-style-position: initial; list-style-image: initial; color: rgb(92, 92, 92); margin: 0px 0px 1px 45px !important; background-color: rgb(255, 255, 255);"><li class="alt" style="border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: inherit; line-height: 18px; margin: 0px !important; padding: 0px 3px 0px 10px !important;"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;"><span class="tag" style="margin: 0px; padding: 0px; border: none; color: green; font-weight: bold; background-color: inherit;"><</span><span class="tag-name" style="margin: 0px; padding: 0px; border: none; color: green; font-weight: bold; background-color: inherit;">application</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;"> </span><span class="attribute" style="margin: 0px; padding: 0px; border: none; color: red; background-color: inherit;">android:name</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;">=</span><span class="attribute-value" style="margin: 0px; padding: 0px; border: none; background-color: inherit;">".global.BaseApplication"</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;">  </span></span></li></ol></div></div>

  • 重写Application的onCreate()方法，或在Application的无参构造方法内，调用Application.registerActivityLifecycleCallbacks()方法，并实现ActivityLifecycleCallbacks接口

    <div class="line"><span class="text plain"><span class="meta paragraph text"></span></span></div><div class="dp-highlighter bg_java" style="font-family: Consolas, 'Courier New', Courier, mono, serif; font-size: 12px; width: 653.390625px; overflow: auto; padding-top: 1px; margin: 18px 0px !important; background-color: rgb(231, 229, 220);"><div class="bar" style="padding-left: 45px;"><div class="tools" style="padding: 3px 8px 10px 10px; font-stretch: normal; font-size: 9px; line-height: normal; font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; color: silver; border-left-width: 3px; border-left-style: solid; border-left-color: rgb(153, 153, 153); background-color: rgb(248, 248, 248);"><strong>[java]</strong> <a target=_blank href="http://blog.csdn.net/tongcpp/article/details/40344871#" class="ViewSource" title="view plain" style="color: rgb(160, 160, 160); text-decoration: none; border: none; padding: 0px; margin: 0px 10px 0px 0px; font-size: 9px; background-image: none; background-attachment: initial; background-color: inherit; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;">view plain</a><a target=_blank href="http://blog.csdn.net/tongcpp/article/details/40344871#" class="CopyToClipboard" title="copy" style="color: rgb(160, 160, 160); text-decoration: none; border: none; padding: 0px; margin: 0px 10px 0px 0px; font-size: 9px; background-image: none; background-attachment: initial; background-color: inherit; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;">copy</a><a target=_blank href="http://blog.csdn.net/tongcpp/article/details/40344871#" class="PrintSource" title="print" style="color: rgb(160, 160, 160); text-decoration: none; border: none; padding: 0px; margin: 0px 10px 0px 0px; font-size: 9px; background-image: none; background-attachment: initial; background-color: inherit; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;">print</a><a target=_blank href="http://blog.csdn.net/tongcpp/article/details/40344871#" class="About" title="?" style="color: rgb(160, 160, 160); text-decoration: none; border: none; padding: 0px; margin: 0px 10px 0px 0px; font-size: 9px; background-image: none; background-attachment: initial; background-color: inherit; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;">?</a><a target=_blank href="https://code.csdn.net/snippets/491145" target="_blank" title="在CODE上查看代码片" style="color: rgb(160, 160, 160); text-decoration: none; border: none; padding: 0px; margin: 0px 10px 0px 0px; font-size: 9px; background-image: none; background-attachment: initial; background-color: inherit; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"><img src="https://code.csdn.net/assets/CODE_ico.png" width="12" height="12" alt="在CODE上查看代码片" style="border: none; max-width: 100%; position: relative; top: 1px; left: 2px;" /></a><a target=_blank href="https://code.csdn.net/snippets/491145/fork" target="_blank" title="派生到我的代码片" style="color: rgb(160, 160, 160); text-decoration: none; border: none; padding: 0px; margin: 0px 10px 0px 0px; font-size: 9px; background-image: none; background-attachment: initial; background-color: inherit; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"><img src="https://code.csdn.net/assets/ico_fork.svg" width="12" height="12" alt="派生到我的代码片" style="border: none; max-width: 100%; position: relative; top: 2px; left: 2px;" /></a><div style="position: absolute; left: 647px; top: 1477px; width: 27px; height: 15px; z-index: 99;"></div></div></div><ol start="1" class="dp-j" style="padding: 0px; border: none; list-style-position: initial; list-style-image: initial; color: rgb(92, 92, 92); margin: 0px 0px 1px 45px !important; background-color: rgb(255, 255, 255);"><li class="alt" style="border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: inherit; line-height: 18px; margin: 0px !important; padding: 0px 3px 0px 10px !important;"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;"><span class="keyword" style="margin: 0px; padding: 0px; border: none; color: green; font-weight: bold; background-color: inherit;">public</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;"> </span><span class="keyword" style="margin: 0px; padding: 0px; border: none; color: green; font-weight: bold; background-color: inherit;">void</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;"> onCreate() {  </span></span></li><li style="margin: 0px !important; padding: 0px 3px 0px 10px !important; border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: rgb(119, 119, 119); line-height: 18px; background-color: rgb(249, 249, 249);"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">  <span class="keyword" style="margin: 0px; padding: 0px; border: none; color: green; font-weight: bold; background-color: inherit;">super</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;">.onCreate();  </span></span></li><li class="alt" style="border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: inherit; line-height: 18px; margin: 0px !important; padding: 0px 3px 0px 10px !important;"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">  <span class="keyword" style="margin: 0px; padding: 0px; border: none; color: green; font-weight: bold; background-color: inherit;">this</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;">.registerActivityLifecycleCallbacks(</span><span class="keyword" style="margin: 0px; padding: 0px; border: none; color: green; font-weight: bold; background-color: inherit;">new</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;"> ActivityLifecycleCallbacks() {  </span></span></li><li style="margin: 0px !important; padding: 0px 3px 0px 10px !important; border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: rgb(119, 119, 119); line-height: 18px; background-color: rgb(249, 249, 249);"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">   </span></li><li class="alt" style="border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: inherit; line-height: 18px; margin: 0px !important; padding: 0px 3px 0px 10px !important;"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">    <span class="annotation" style="margin: 0px; padding: 0px; border: none; color: rgb(100, 100, 100); background-color: inherit;">@Override</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;">  </span></span></li><li style="margin: 0px !important; padding: 0px 3px 0px 10px !important; border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: rgb(119, 119, 119); line-height: 18px; background-color: rgb(249, 249, 249);"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">    <span class="keyword" style="margin: 0px; padding: 0px; border: none; color: green; font-weight: bold; background-color: inherit;">public</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;"> </span><span class="keyword" style="margin: 0px; padding: 0px; border: none; color: green; font-weight: bold; background-color: inherit;">void</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;"> onActivityStopped(Activity activity) {  </span></span></li><li class="alt" style="border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: inherit; line-height: 18px; margin: 0px !important; padding: 0px 3px 0px 10px !important;"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">        Logger.v(activity, <span class="string" style="margin: 0px; padding: 0px; border: none; color: rgb(255, 153, 0); background-color: inherit;">"onActivityStopped"</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;">);  </span></span></li><li style="margin: 0px !important; padding: 0px 3px 0px 10px !important; border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: rgb(119, 119, 119); line-height: 18px; background-color: rgb(249, 249, 249);"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">    }  </span></li><li class="alt" style="border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: inherit; line-height: 18px; margin: 0px !important; padding: 0px 3px 0px 10px !important;"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">   </span></li><li style="margin: 0px !important; padding: 0px 3px 0px 10px !important; border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: rgb(119, 119, 119); line-height: 18px; background-color: rgb(249, 249, 249);"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">    <span class="annotation" style="margin: 0px; padding: 0px; border: none; color: rgb(100, 100, 100); background-color: inherit;">@Override</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;">  </span></span></li><li class="alt" style="border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: inherit; line-height: 18px; margin: 0px !important; padding: 0px 3px 0px 10px !important;"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">    <span class="keyword" style="margin: 0px; padding: 0px; border: none; color: green; font-weight: bold; background-color: inherit;">public</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;"> </span><span class="keyword" style="margin: 0px; padding: 0px; border: none; color: green; font-weight: bold; background-color: inherit;">void</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;"> onActivityStarted(Activity activity) {  </span></span></li><li style="margin: 0px !important; padding: 0px 3px 0px 10px !important; border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: rgb(119, 119, 119); line-height: 18px; background-color: rgb(249, 249, 249);"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">        Logger.v(activity, <span class="string" style="margin: 0px; padding: 0px; border: none; color: rgb(255, 153, 0); background-color: inherit;">"onActivityStarted"</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;">);  </span></span></li><li class="alt" style="border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: inherit; line-height: 18px; margin: 0px !important; padding: 0px 3px 0px 10px !important;"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">    }  </span></li><li style="margin: 0px !important; padding: 0px 3px 0px 10px !important; border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: rgb(119, 119, 119); line-height: 18px; background-color: rgb(249, 249, 249);"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">   </span></li><li class="alt" style="border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: inherit; line-height: 18px; margin: 0px !important; padding: 0px 3px 0px 10px !important;"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">    <span class="annotation" style="margin: 0px; padding: 0px; border: none; color: rgb(100, 100, 100); background-color: inherit;">@Override</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;">  </span></span></li><li style="margin: 0px !important; padding: 0px 3px 0px 10px !important; border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: rgb(119, 119, 119); line-height: 18px; background-color: rgb(249, 249, 249);"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">    <span class="keyword" style="margin: 0px; padding: 0px; border: none; color: green; font-weight: bold; background-color: inherit;">public</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;"> </span><span class="keyword" style="margin: 0px; padding: 0px; border: none; color: green; font-weight: bold; background-color: inherit;">void</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;"> onActivitySaveInstanceState(Activity activity, Bundle outState) {  </span></span></li><li class="alt" style="border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: inherit; line-height: 18px; margin: 0px !important; padding: 0px 3px 0px 10px !important;"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">        Logger.v(activity, <span class="string" style="margin: 0px; padding: 0px; border: none; color: rgb(255, 153, 0); background-color: inherit;">"onActivitySaveInstanceState"</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;">);  </span></span></li><li style="margin: 0px !important; padding: 0px 3px 0px 10px !important; border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: rgb(119, 119, 119); line-height: 18px; background-color: rgb(249, 249, 249);"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">    }  </span></li><li class="alt" style="border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: inherit; line-height: 18px; margin: 0px !important; padding: 0px 3px 0px 10px !important;"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">   </span></li><li style="margin: 0px !important; padding: 0px 3px 0px 10px !important; border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: rgb(119, 119, 119); line-height: 18px; background-color: rgb(249, 249, 249);"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">    <span class="annotation" style="margin: 0px; padding: 0px; border: none; color: rgb(100, 100, 100); background-color: inherit;">@Override</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;">  </span></span></li><li class="alt" style="border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: inherit; line-height: 18px; margin: 0px !important; padding: 0px 3px 0px 10px !important;"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">    <span class="keyword" style="margin: 0px; padding: 0px; border: none; color: green; font-weight: bold; background-color: inherit;">public</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;"> </span><span class="keyword" style="margin: 0px; padding: 0px; border: none; color: green; font-weight: bold; background-color: inherit;">void</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;"> onActivityResumed(Activity activity) {  </span></span></li><li style="margin: 0px !important; padding: 0px 3px 0px 10px !important; border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: rgb(119, 119, 119); line-height: 18px; background-color: rgb(249, 249, 249);"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">        Logger.v(activity, <span class="string" style="margin: 0px; padding: 0px; border: none; color: rgb(255, 153, 0); background-color: inherit;">"onActivityResumed"</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;">);  </span></span></li><li class="alt" style="border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: inherit; line-height: 18px; margin: 0px !important; padding: 0px 3px 0px 10px !important;"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">    }  </span></li><li style="margin: 0px !important; padding: 0px 3px 0px 10px !important; border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: rgb(119, 119, 119); line-height: 18px; background-color: rgb(249, 249, 249);"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">   </span></li><li class="alt" style="border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: inherit; line-height: 18px; margin: 0px !important; padding: 0px 3px 0px 10px !important;"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">    <span class="annotation" style="margin: 0px; padding: 0px; border: none; color: rgb(100, 100, 100); background-color: inherit;">@Override</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;">  </span></span></li><li style="margin: 0px !important; padding: 0px 3px 0px 10px !important; border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: rgb(119, 119, 119); line-height: 18px; background-color: rgb(249, 249, 249);"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">    <span class="keyword" style="margin: 0px; padding: 0px; border: none; color: green; font-weight: bold; background-color: inherit;">public</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;"> </span><span class="keyword" style="margin: 0px; padding: 0px; border: none; color: green; font-weight: bold; background-color: inherit;">void</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;"> onActivityPaused(Activity activity) {  </span></span></li><li class="alt" style="border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: inherit; line-height: 18px; margin: 0px !important; padding: 0px 3px 0px 10px !important;"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">        Logger.v(activity, <span class="string" style="margin: 0px; padding: 0px; border: none; color: rgb(255, 153, 0); background-color: inherit;">"onActivityPaused"</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;">);  </span></span></li><li style="margin: 0px !important; padding: 0px 3px 0px 10px !important; border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: rgb(119, 119, 119); line-height: 18px; background-color: rgb(249, 249, 249);"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">    }  </span></li><li class="alt" style="border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: inherit; line-height: 18px; margin: 0px !important; padding: 0px 3px 0px 10px !important;"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">   </span></li><li style="margin: 0px !important; padding: 0px 3px 0px 10px !important; border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: rgb(119, 119, 119); line-height: 18px; background-color: rgb(249, 249, 249);"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">    <span class="annotation" style="margin: 0px; padding: 0px; border: none; color: rgb(100, 100, 100); background-color: inherit;">@Override</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;">  </span></span></li><li class="alt" style="border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: inherit; line-height: 18px; margin: 0px !important; padding: 0px 3px 0px 10px !important;"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">    <span class="keyword" style="margin: 0px; padding: 0px; border: none; color: green; font-weight: bold; background-color: inherit;">public</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;"> </span><span class="keyword" style="margin: 0px; padding: 0px; border: none; color: green; font-weight: bold; background-color: inherit;">void</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;"> onActivityDestroyed(Activity activity) {  </span></span></li><li style="margin: 0px !important; padding: 0px 3px 0px 10px !important; border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: rgb(119, 119, 119); line-height: 18px; background-color: rgb(249, 249, 249);"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">        Logger.v(activity, <span class="string" style="margin: 0px; padding: 0px; border: none; color: rgb(255, 153, 0); background-color: inherit;">"onActivityDestroyed"</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;">);  </span></span></li><li class="alt" style="border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: inherit; line-height: 18px; margin: 0px !important; padding: 0px 3px 0px 10px !important;"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">    }  </span></li><li style="margin: 0px !important; padding: 0px 3px 0px 10px !important; border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: rgb(119, 119, 119); line-height: 18px; background-color: rgb(249, 249, 249);"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">   </span></li><li class="alt" style="border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: inherit; line-height: 18px; margin: 0px !important; padding: 0px 3px 0px 10px !important;"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">    <span class="annotation" style="margin: 0px; padding: 0px; border: none; color: rgb(100, 100, 100); background-color: inherit;">@Override</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;">  </span></span></li><li style="margin: 0px !important; padding: 0px 3px 0px 10px !important; border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: rgb(119, 119, 119); line-height: 18px; background-color: rgb(249, 249, 249);"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">    <span class="keyword" style="margin: 0px; padding: 0px; border: none; color: green; font-weight: bold; background-color: inherit;">public</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;"> </span><span class="keyword" style="margin: 0px; padding: 0px; border: none; color: green; font-weight: bold; background-color: inherit;">void</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;"> onActivityCreated(Activity activity, Bundle savedInstanceState) {  </span></span></li><li class="alt" style="border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: inherit; line-height: 18px; margin: 0px !important; padding: 0px 3px 0px 10px !important;"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">        Logger.v(activity, <span class="string" style="margin: 0px; padding: 0px; border: none; color: rgb(255, 153, 0); background-color: inherit;">"onActivityCreated"</span><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;">);  </span></span></li><li style="margin: 0px !important; padding: 0px 3px 0px 10px !important; border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: rgb(119, 119, 119); line-height: 18px; background-color: rgb(249, 249, 249);"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">    }  </span></li><li class="alt" style="border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: inherit; line-height: 18px; margin: 0px !important; padding: 0px 3px 0px 10px !important;"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">  });  </span></li><li style="margin: 0px !important; padding: 0px 3px 0px 10px !important; border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: rgb(119, 119, 119); line-height: 18px; background-color: rgb(249, 249, 249);"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">};  </span></li></ol></div><div class="line"><span class="text plain"><span class="meta paragraph text"></span></span></div>

  • 运行结果(Logcat日志)

    <div class="line"><span class="text plain"><span class="meta paragraph text"></span></span></div><div class="dp-highlighter bg_plain" style="font-family: Consolas, 'Courier New', Courier, mono, serif; font-size: 12px; width: 653.390625px; overflow: auto; padding-top: 1px; margin: 18px 0px !important; background-color: rgb(231, 229, 220);"><div class="bar" style="padding-left: 45px;"><div class="tools" style="padding: 3px 8px 10px 10px; font-stretch: normal; font-size: 9px; line-height: normal; font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; color: silver; border-left-width: 3px; border-left-style: solid; border-left-color: rgb(153, 153, 153); background-color: rgb(248, 248, 248);"><strong>[plain]</strong> <a target=_blank href="http://blog.csdn.net/tongcpp/article/details/40344871#" class="ViewSource" title="view plain" style="color: rgb(160, 160, 160); text-decoration: none; border: none; padding: 0px; margin: 0px 10px 0px 0px; font-size: 9px; background-image: none; background-attachment: initial; background-color: inherit; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;">view plain</a><a target=_blank href="http://blog.csdn.net/tongcpp/article/details/40344871#" class="CopyToClipboard" title="copy" style="color: rgb(160, 160, 160); text-decoration: none; border: none; padding: 0px; margin: 0px 10px 0px 0px; font-size: 9px; background-image: none; background-attachment: initial; background-color: inherit; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;">copy</a><a target=_blank href="http://blog.csdn.net/tongcpp/article/details/40344871#" class="PrintSource" title="print" style="color: rgb(160, 160, 160); text-decoration: none; border: none; padding: 0px; margin: 0px 10px 0px 0px; font-size: 9px; background-image: none; background-attachment: initial; background-color: inherit; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;">print</a><a target=_blank href="http://blog.csdn.net/tongcpp/article/details/40344871#" class="About" title="?" style="color: rgb(160, 160, 160); text-decoration: none; border: none; padding: 0px; margin: 0px 10px 0px 0px; font-size: 9px; background-image: none; background-attachment: initial; background-color: inherit; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;">?</a><a target=_blank href="https://code.csdn.net/snippets/491145" target="_blank" title="在CODE上查看代码片" style="color: rgb(160, 160, 160); text-decoration: none; border: none; padding: 0px; margin: 0px 10px 0px 0px; font-size: 9px; background-image: none; background-attachment: initial; background-color: inherit; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"><img src="https://code.csdn.net/assets/CODE_ico.png" width="12" height="12" alt="在CODE上查看代码片" style="border: none; max-width: 100%; position: relative; top: 1px; left: 2px;" /></a><a target=_blank href="https://code.csdn.net/snippets/491145/fork" target="_blank" title="派生到我的代码片" style="color: rgb(160, 160, 160); text-decoration: none; border: none; padding: 0px; margin: 0px 10px 0px 0px; font-size: 9px; background-image: none; background-attachment: initial; background-color: inherit; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"><img src="https://code.csdn.net/assets/ico_fork.svg" width="12" height="12" alt="派生到我的代码片" style="border: none; max-width: 100%; position: relative; top: 2px; left: 2px;" /></a><div style="position: absolute; left: 651px; top: 2329px; width: 27px; height: 15px; z-index: 99;"></div></div></div><ol start="1" style="padding: 0px; border: none; list-style-position: initial; list-style-image: initial; color: rgb(92, 92, 92); margin: 0px 0px 1px 45px !important; background-color: rgb(255, 255, 255);"><li class="alt" style="border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: inherit; line-height: 18px; margin: 0px !important; padding: 0px 3px 0px 10px !important;"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;"><span style="margin: 0px; padding: 0px; border: none; background-color: inherit;">10-21 14:32:57.722: V/WelcomeActivity(8085): onActivityCreated  </span></span></li><li style="margin: 0px !important; padding: 0px 3px 0px 10px !important; border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: rgb(119, 119, 119); line-height: 18px; background-color: rgb(249, 249, 249);"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">10-21 14:32:57.762: V/WelcomeActivity(8085): onActivityStarted  </span></li><li class="alt" style="border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: inherit; line-height: 18px; margin: 0px !important; padding: 0px 3px 0px 10px !important;"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">10-21 14:32:57.762: V/WelcomeActivity(8085): onActivityResumed  </span></li><li style="margin: 0px !important; padding: 0px 3px 0px 10px !important; border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: rgb(119, 119, 119); line-height: 18px; background-color: rgb(249, 249, 249);"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">10-21 14:32:59.164: V/WelcomeActivity(8085): onActivityPaused  </span></li><li class="alt" style="border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: inherit; line-height: 18px; margin: 0px !important; padding: 0px 3px 0px 10px !important;"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">10-21 14:32:59.194: V/MainActivity(8085): onActivityCreated  </span></li><li style="margin: 0px !important; padding: 0px 3px 0px 10px !important; border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: rgb(119, 119, 119); line-height: 18px; background-color: rgb(249, 249, 249);"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">10-21 14:32:59.224: V/MainActivity(8085): onActivityStarted  </span></li><li class="alt" style="border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: inherit; line-height: 18px; margin: 0px !important; padding: 0px 3px 0px 10px !important;"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">10-21 14:32:59.224: V/MainActivity(8085): onActivityResumed  </span></li><li style="margin: 0px !important; padding: 0px 3px 0px 10px !important; border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: rgb(119, 119, 119); line-height: 18px; background-color: rgb(249, 249, 249);"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">10-21 14:32:59.735: V/WelcomeActivity(8085): onActivityStopped  </span></li><li class="alt" style="border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: inherit; line-height: 18px; margin: 0px !important; padding: 0px 3px 0px 10px !important;"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">10-21 14:32:59.735: V/WelcomeActivity(8085): onActivityDestroyed  </span></li><li style="margin: 0px !important; padding: 0px 3px 0px 10px !important; border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: rgb(119, 119, 119); line-height: 18px; background-color: rgb(249, 249, 249);"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">10-21 14:33:06.502: V/MainActivity(8085): onActivityPaused  </span></li><li class="alt" style="border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: inherit; line-height: 18px; margin: 0px !important; padding: 0px 3px 0px 10px !important;"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">10-21 14:33:06.612: V/MainActivity(8085): onActivityStopped  </span></li><li style="margin: 0px !important; padding: 0px 3px 0px 10px !important; border-style: none none none solid; border-left-width: 3px; border-left-color: rgb(153, 153, 153); list-style: decimal-leading-zero outside; color: rgb(119, 119, 119); line-height: 18px; background-color: rgb(249, 249, 249);"><span style="margin: 0px; padding: 0px; border: none; color: black; background-color: inherit;">10-21 14:33:06.612: V/MainActivity(8085): onActivityDestroyed  </span></li></ol></div><div class="line"><span class="text plain"><span class="meta paragraph text"></span></span></div>

ActivityLifecycleCallbacks的拓展用法

  • 本次初探仅尝试使用Log日志工具作简要测试，如需满足较复杂的统计或调试需求时，此法可能会大大减少插入代码量，提高效率

  • API仅在14+版本上提供此接口回调，Android 4.0以下系统如何使用？

  • API仅针对上述几个Activity的生命周期事件留出了接口回调，可能已无法满足日益过渡为使用Fragment的今日需求， 如何在更大范围内应用LifecycleCallbacks？






public static boolean isApplicationBroughtToBackground(final Context context) {
        ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
        List<RunningTaskInfo> tasks = am.getRunningTasks(1);
        if (!tasks.isEmpty()) {
            ComponentName topActivity = tasks.get(0).topActivity;
            if (!topActivity.getPackageName().equals(context.getPackageName())) {
                return true;
            }
        }
        return false;
    }
判断当前应用是在前台还是在后台    当你只是想要获取一次信息的时候  可以这么用  记得加权限 <uses-permission android:name="android.permission.GET_TASKS" />
  当你想要时时刻刻判断的时候  并自动处理某些事件的时候还是继承一个基类方便一点



ActivityLifecycleCallbacks,Android API Level >=14 无需手工干涉，监控Activity 运行情况（onCreate,OnStart...等）

2013-09-19 17:51 1536人阅读 评论(0) 收藏 举报
androidactivityActivityLifecycleCal

开发中，有时候需要监听每一个Activity的运行情况，比如统计用户对每个Activity使用情况，我们可以定义一个BaseActivity，在onStart()和onStop()人工插入统计方法。

Android 4.0（API Level 14）新增了一个接口ActivityLifecycleCallbacks，用于监听应用中所有Activity的运行情况,解放了开发者统计分析Activity的困难。

官方文档：http://developer.android.com/reference/android/app/Application.ActivityLifecycleCallbacks.html






这个只能实现4.0以上，http://blog.csdn.net/u012146107/article/details/11833099
这个只能实现4.0以上，http://blog.csdn.net/u012146107/article/details/11833099
这个只能实现4.0以上，http://blog.csdn.net/u012146107/article/details/11833099
这个只能实现4.0以上，http://blog.csdn.net/u012146107/article/details/11833099







顶
1
踩

0 0
java bigdecimal 开方 java bigdecimal 开方
原创粉丝点击
热门IT博客
日本进出口数据差异日本进出口数据差异
linux设置共享文件夹linux设置共享文件夹
淘宝摄影教程
白色西服知乎
汽车钣金要学多久知乎
java 写文本文件
北京网站制作优化
企业门户网站源码下载
mysql 分表与性能
unix编程艺术 mobi
如何做用户数据分析
java sleep 单位
长相精致的女生知乎
淘宝店铺做什么推广好
92game仿微口网源码
java 方法重载
linux中安装ipython
钢琴小提琴合奏曲 知乎
数据库缓存技术
冰毒淘宝搜索什么东西
热门问题 老师的惩罚 人脸识别 我在镇武司摸鱼那些年 重生之率土为王 我在大康的咸鱼生活 盘龙之生命进化 天生仙种 凡人之先天五行 春回大明朝 姑娘不必设防，我是瞎子 孕期血糖偏高怎么办 孕期低血糖怎么办 孕期血糖升高怎么办 高血压又低血糖怎么办 孕妇血糖低怎么办 怀孕高血糖怎么办 查出血糖偏高怎么办 服务器不稳定怎么办 月经周期不稳定怎么办 血压忽高忽低怎么办 血压低怎么办呢 老年人血压低怎么办 怀孕血压低怎么办 年轻人血压低怎么办 空腹血糖8.2怎么办 血糖空腹8怎么办 空腹血糖7.5怎么办 低血糖头晕恶心怎么办 怀孕低血糖怎么办 血糖高头晕怎么办 高血糖头晕怎么办 糖尿病头晕怎么办 孕早期低血糖怎么办 老人低血压怎么办 低血压怎么办怎样调理 高血压低压偏高怎么办 低血压失眠怎么办 减肥低血压怎么办 突然低血压头晕怎么办 老人低血压头晕怎么办 低血压头晕恶心怎么办 经常低血压头晕怎么办 老头晕怎么办 突然低血糖怎么办 低血糖突然晕倒怎么办 糖尿病低血糖怎么办 脚溃烂怎么办 脚丫溃烂怎么办 脚流脓溃烂怎么办 糖尿病脚后跟烂怎么办 饭后血糖高怎么办

程序博客网，程序员的互联网技术博客家园。csdn论坛精品 msdn技术资料都在这里