Java 将项目动态添加到弹出菜单的组中
我有一个XML菜单:Java 将项目动态添加到弹出菜单的组中,java,android,menuitem,popupmenu,Java,Android,Menuitem,Popupmenu,我有一个XML菜单: <?xml version="1.0" encoding="utf-8"?> <menu xmlns:android="http://schemas.android.com/apk/res/android"> <group android:id="@+id/orders_filter_messages_group" android:checkableBehavior="all">
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android">
<group
android:id="@+id/orders_filter_messages_group"
android:checkableBehavior="all">
<item
android:id="@+id/orders_filter_messages_channel_1"
android:title="@string/orders_filter_messages_channel_1" />
<item
android:id="@+id/orders_filter_messages_channel_2"
android:title="@string/orders_filter_messages_channel_2" />
<item
android:id="@+id/orders_filter_messages_channel_3"
android:title="@string/orders_filter_messages_channel_3" />
</group>
</menu>
结果是,这些项很好地添加到了弹出菜单上,但是这些项被添加到了列表的末尾(在组之外),因此,它们是不可检查的
如果我更改order参数,我可以设法将它们放置在正确的位置,但它们不在组中,并且不可选中。方法getMenu().add()
返回一个MenuItem。这样你就可以完全控制。。。
试试这个:MenuItem addedMenuItem = this.filterMenu.getMenu().add(R.id.orders_filter_messages_group, Menu.NONE, Menu.NONE, channel.getName());
addedMenuItem.setCheckable(true);
要在弹出菜单的onClickListener中访问它,请在add()方法中添加一个唯一的ID,而不是菜单。NONE
final int uniqueID = 12345;
MenuItem addedMenuItem = this.filterMenu.getMenu().add(R.id.orders_filter_messages_group, uniqueID, Menu.NONE, channel.getName());
//and in the onClickListener
filterMenu.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {
@Override
public boolean onMenuItemClick (MenuItem item) {
if(item.getItemId() == uniqueID) //TODO
return false;
}
});
希望这对你有帮助 这对我帮助很大!我还发现这一行具有相同的效果:this.filterMenu.getMenu().setGroupCheckable(R.id.orders\u filter\u messages\u group,true,false);
final int uniqueID = 12345;
MenuItem addedMenuItem = this.filterMenu.getMenu().add(R.id.orders_filter_messages_group, uniqueID, Menu.NONE, channel.getName());
//and in the onClickListener
filterMenu.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {
@Override
public boolean onMenuItemClick (MenuItem item) {
if(item.getItemId() == uniqueID) //TODO
return false;
}
});