@H_301_8@
这是我的menu.xml:@H_301_8@
@H_301_8@
<menu xmlns:androID="http://schemas.androID.com/apk/res/androID" xmlns:app="http://schemas.androID.com/apk/res-auto" xmlns:tools="http://schemas.androID.com/tools" tools:context="com.tracking.bus.maps.SingleVIEwMapsActivity" > <item androID:ID="@+ID/actionbar_alarm" androID:title="@string/actionbar_alarm" app:actionVIEwClass="androID.Widget.checkBox" app:showAsAction="ifRoom"/></menu>解决方法
<?xml version="1.0" enCoding="utf-8"?><menu xmlns:androID="http://schemas.androID.com/apk/res/androID"> <!-- Checkable items appear only in submenus or context menus. --> <!-- Carefully look at the attribute name checkableBehavior on groups,but the attribute name checkable on items. The checkableBehavior encompasses the number of items that will be checkable within that group. --> <item androID:title="None"> <menu> <!-- The none checkableBehavior is default,but we explicitly show it here. --> <group androID:ID="@+ID/noncheckable_group" androID:checkableBehavior="none"> <!-- Notice how these items inherit from the group. --> <item androID:ID="@+ID/noncheckable_item_1" androID:title="@string/item_1" /> <item androID:ID="@+ID/noncheckable_item_2" androID:title="@string/item_2" /> <item androID:ID="@+ID/noncheckable_item_3" androID:title="@string/item_3" /> </group> </menu> </item> <item androID:title="All"> <menu> <group androID:ID="@+ID/checkable_group" androID:checkableBehavior="all"> <!-- Notice how these items inherit from the group. --> <item androID:ID="@+ID/checkable_item_1" androID:title="@string/item_1" /> <item androID:ID="@+ID/checkable_item_2" androID:checked="true" androID:title="@string/item_2" /> <item androID:ID="@+ID/checkable_item_3" androID:checked="true" androID:title="@string/item_3" /> </group> </menu> </item> <item androID:title="Single"> <menu> <group androID:ID="@+ID/exclusive_checkable_group" androID:checkableBehavior="single"> <!-- Notice how these items inherit from the group. --> <item androID:ID="@+ID/exclusive_checkable_item_1" androID:title="@string/item_1" /> <item androID:ID="@+ID/exclusive_checkable_item_2" androID:title="@string/item_2" /> <item androID:ID="@+ID/exclusive_checkable_item_3" androID:checked="true" androID:title="@string/item_3" /> </group> </menu> </item> <item androID:title="All without group"> <menu> <!-- Notice how these items have each set. --> <item androID:ID="@+ID/nongroup_checkable_item_1" androID:checkable="true" androID:title="@string/item_1" /> <item androID:ID="@+ID/nongroup_checkable_item_2" androID:checkable="true" androID:checked="true" androID:title="@string/item_2" /> <item androID:ID="@+ID/nongroup_checkable_item_3" androID:checkable="true" androID:checked="true" androID:title="@string/item_3" /> </menu> </item></menu>总结
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