Action、Category常量表

一、这是一篇关于如何将自定义的 homescreen 设定为Android的默认主页，而不需要用户选择的讨论贴，原文如下：

 

 Another additional info: If you want that your homescreen is always the default and that the system doesn't ask to choose between different home screens simply put it that way: XML:

 

<intent-filter priority="1">

<action name="android.intent.action.MAIN"></action>

<category name="android.intent.category.HOME"></category>

<category name="android.intent.category.DEFAULT"></category><

category name="android.intent.category.MONKEY"></category>

</intent-filter>

 

The difference to the XML above is android:priority="1". It seems that the default home screen has priority 0 and therefore setting the priority of your home screen to 1 is sufficient to force the usage of your home screen.

Action 

Action常量对应字符串简单说明ACTION_MAINandroid.intent.action.MAIN应用程序入口ACTION_VIEWandroid.intent.action.VIEW显示指定数据ACTION_ATTACH_DATAandroid.intent.action.ATTACH_DATA指定某块数据将被附加到其它地方ACTION_EDITandroid.intent.action.EDIT编辑指定数据ACTION_PICKandroid.intent.action.PICK从列表中选择某项并返回所选的数据ACTION_CHOOSERandroid.intent.action.CHOOSER显示一个Activity选择器ACTION_GET_CONTENTandroid.intent.action.GET_CONTENT让用户选择数据,并返回所选数据ACTION_DIALandroid.intent.action.DIAL显示拨号面板ACTION_CALLandroid.intent.action.CALL直接向指定用户打电话ACTION_SENDandroid.intent.action.SEND向其他人发送数据ACTION_SENDTOandroid.intent.action.SENDTO向其他人发送消息ACTION_ANSWERandroid.intent.action.ANSWER应答电话ACTION_INSERTandroid.intent.action.INSERT插入数据ACTION_DELETEandroid.intent.action.DELETE删除数据ACTION_RUNandroid.intent.action.RUN运行维护ACTION_SYNCandroid.intent.action.SYNC执行数据同步ACTION_PICK_ACTIVITYandroid.intent.action.PICK_ACTIVITY用于选择ActivityACTION_SEARCHandroid.intent.action.SEARCH执行搜索ACTION_WEB_SEARCHandroid.intent.action.WEB_SEARCH执行Web搜索ACTION_FACTORY_TESTandroid.intent.action.FACTORY_TEST工厂测试的入口点
Category 
Category常量对应字符串简单说明CATEGORY_DEFAULTandroid.intent.category.DEFAULT默认的CategoryCATEGORY_BROWSABLEandroid.intent.category.BROWSABLE指定该Activity能被浏览器安全调用CATEGORY_TABandroid.intent.category.TAB指定Activity作为TabActivity的Tab页CATEGORY_LAUNCHERandroid.intent.category.LAUNCHERActivity显示顶级程序列表中CATEGORY_INFOandroid.intent.category.INFO用于提供包信息CATEGORY_HOMEandroid.intent.category.HOME设置该Activity随系统启动而运行CATEGORY_PREFERENCEandroid.intent.category.PREFERENCE该Activity是参数面板CATEGORY_TESTandroid.intent.category.TEST该Activity是一个测试CATEGORY_CAR_DOCKandroid.intent.category.CAR_DOCK指定手机被插入汽车底座(硬件)时运行该ActivityCATEGORY_DESK_DOCKandroid.intent.category.DESK_DOCK指定手机被插入桌面底座(硬件)时运行该ActivityCATEGORY_CAR_MODEandroid.intent.category.CAR_MODE设置该Activity可在车载环境下使用