Android 图标不显示在菜单中
我想在android中添加带有菜单标题的图标,但它不带标题显示。下面是我的menu.xml代码Android 图标不显示在菜单中,android,android-menu,Android,Android Menu,我想在android中添加带有菜单标题的图标,但它不带标题显示。下面是我的menu.xml代码 <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=".MainActivit
<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=".MainActivity">
<item android:id="@+id/rate_app"
android:title="Rate App"
android:orderInCategory="100"
app:showAsAction="never"
app:icon="@drawable/ic_star_half_24dp"/>
我还使用了
android:icon=“@drawable/ic\u star\u half\u 24dp”
,但如果您的预期行为是在工具栏上显示图标,则不会显示菜单标题
app:showAsAction=“never”
应更改为ifRoom
或始终
如果要在溢出菜单上显示图标
,则需要自定义菜单项
,并改用弹出窗口。试试这个
<menu xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
>
<item
android:id="@+id/A"
android:icon="@drawable/ic_a"
android:title="Name A"
app:showAsAction="always"/>
<item
android:id="@+id/B"
android:icon="@drawable/ic_b"
android:title="Name B"
app:showAsAction="always"/>
<item
android:id="@+id/a_More"
android:icon="@drawable/ic_menu_overflow"
app:showAsAction="always"
android:title="More">
<menu>
<item
android:id="@+id/C"
android:icon="@drawable/ic_c"
android:title="Name C"
app:showAsAction="never" />
<item
android:id="@+id/D"
android:title="Name D"
app:showAsAction="never" />
<item
android:id="@+id/E"
android:icon="@drawable/icon_3"
android:title="Name E"
app:showAsAction="never" />
</menu>
</item>
</menu>
如果您使用的是弹出式菜单,只需复制下面的代码并运行它,您将在弹出式菜单中看到图标
PopupMenu popup=新建PopupMenu(getApplicationContext(),视图);
试一试{
Field[]fields=popup.getClass().getDeclaredFields();
用于(字段:字段){
if(“mPopup.equals(field.getName())){
字段。setAccessible(true);
Object menuPopupHelper=field.get(弹出窗口);
Class CLASSPOPUSCURLPER=Class.forName(menuPopupHelper
.getClass().getName());
方法setForceIcons=classPopucUpCelper.getMethod(
“setForceShowIcon”,boolean.class);
调用(menuPopupHelper,true);
打破
}
}
}捕获(例外e){
e、 printStackTrace();
}
popup.getMenuInflater()
.充气(R.menu.publisher,popup.getMenu());
//向OnMenuItemClickListener注册弹出窗口
setOnMenuItemClickListener(新的PopupMenu.OnMenuItemClickListener(){
公共布尔onMenuItemClick(菜单项){
开关(item.getItemId()){
案例R.id.菜单:
//你的职能
返回true;
违约:
打破
}
返回false;
}
});
popup.show();
将showAsAction值从从不更改app:icon
更改为android:icon
将app:showAsAction=“never”更改为app:showAsAction=“always”,请参阅此。我想要溢出菜单上有标题的图标你有正式的证据吗?
If you are using popup menu just copy the below code and run it, you will get icons in popupmenu
PopupMenu popup = new PopupMenu(getApplicationContext(), view);
try {
Field[] fields = popup.getClass().getDeclaredFields();
for (Field field : fields) {
if ("mPopup".equals(field.getName())) {
field.setAccessible(true);
Object menuPopupHelper = field.get(popup);
Class<?> classPopupHelper = Class.forName(menuPopupHelper
.getClass().getName());
Method setForceIcons = classPopupHelper.getMethod(
"setForceShowIcon", boolean.class);
setForceIcons.invoke(menuPopupHelper, true);
break;
}
}
} catch (Exception e) {
e.printStackTrace();
}
popup.getMenuInflater()
.inflate(R.menu.publisher, popup.getMenu());
//registering popup with OnMenuItemClickListener
popup.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {
public boolean onMenuItemClick(MenuItem item) {
switch (item.getItemId()) {
case R.id.menu:
//your function
return true;
default:
break;
}
return false;
}
});
popup.show();