如何更改Android弹出菜单宽度
我在更改Appcompat PopupMenu的宽度时遇到问题,因为菜单项在中使用此布局abc_popup_menu_item_layout.xml,它将菜单项minWidth设置为196dip如何更改Android弹出菜单宽度,android,android-support-library,android-appcompat,popupmenu,Android,Android Support Library,Android Appcompat,Popupmenu,我在更改Appcompat PopupMenu的宽度时遇到问题,因为菜单项在中使用此布局abc_popup_menu_item_layout.xml,它将菜单项minWidth设置为196dip <android.support.v7.internal.view.menu.ListMenuItemView xmlns:android="http://schemas.android.com/apk/res/android" android:layout_wid
<android.support.v7.internal.view.menu.ListMenuItemView
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="?attr/dropdownListPreferredItemHeight"
android:minWidth="196dip"
android:paddingRight="16dip">
我试图在my style.xml的以下属性中覆盖minWidth和dropDownWidth。我还尝试在android:dropDownItemStyle中覆盖minWidth,但没有帮助。我开始怀疑是否有可能覆盖ListMenuItemView的这个硬编码属性。有人成功地修改了弹出菜单的宽度吗
<style name="OrderDetailsActivity" parent="AppTheme">
<item name="android:textAppearanceLargePopupMenu">@style/OrderDetailsPopupMenuTextAppearanceLarge</item>
<item name="android:textAppearanceSmallPopupMenu">@style/OrderDetailsPopupMenuTextAppearanceSmall</item>
<item name="android:dropDownListViewStyle">@style/OrderDetailsListDropDownStyle</item>
<item name="dropDownListViewStyle">@style/OrderDetailsListDropDownStyle</item>
</style>
<style name="OrderDetailsPopupMenuTextAppearanceLarge" parent="@android:style/TextAppearance.DeviceDefault.Widget.PopupMenu.Large">
<item name="android:fontFamily">sans-serif-medium</item>
<item name="android:textSize">@dimen/font_size_medium</item>
</style>
<style name="OrderDetailsPopupMenuTextAppearanceSmall" parent="@android:style/TextAppearance.DeviceDefault.Widget.PopupMenu.Small">
<item name="android:fontFamily">sans-serif-medium</item>
<item name="android:textSize">@dimen/font_size_medium</item>
</style>
<style name="OrderDetailsListDropDownStyle" parent="Widget.AppCompat.ListView.DropDown">
<item name="android:divider">@drawable/list_divider</item>
</style>
@样式/订单详细信息PupMenuTextAppearanceLarge
@样式/订单详细信息PupMenuTextAppearanceSmall
@样式/订单详细信息列表下拉样式
@样式/订单详细信息列表下拉样式
无衬线介质
@尺寸/字体大小\中等
无衬线介质
@尺寸/字体大小\中等
@可拉拔/列表分隔器
您可以准备自定义弹出菜单项布局文件,并使用应用程序类的onCreate()方法中的反射更新此静态字段:
private void updatePopUpMenuItemLayout() {
try {
Field field = MenuPopupHelper.class.getDeclaredField("ITEM_LAYOUT");
field.setAccessible(true);
field.set(null, R.layout.custom_popup_menu_item_layout);
} catch (Exception e) {
Log.e("TAG", e.getMessage());
}
}
自定义弹出菜单项目布局中有什么?它是带有自定义弹出项目布局的文件。