我有一个弹出式菜单,有4个选项:添加为朋友、邻居、同事和粉丝。我想做的是,如果你点击“添加为好友”,那么这个选项就会变成“删除好友”。
我一直在stackoverflow中寻找一些解决方案,但它们似乎都不适合我。到目前为止,我一直在尝试:
活动:
private Menu menuOpts;
public void showPopup(View v) {
Context wrapper = new ContextThemeWrapper(this, R.style.PopupPerfilAjeno);
PopupMenu popup = new PopupMenu(wrapper, v);
popup.setOnMenuItemClickListener(this);
popup.inflate(R.menu.menu);
popup.show();
menuOpts = popup.getMenu();
}
@Override
public boolean onMenuItemClick(MenuItem item) {
switch (item.getItemId()) {
case R.id.add_friend:
String add_as_friend = getString(R.string.add_as_friend );
if (item.getTitle().toString().equals(add_as_friend )) {
addContact(1, item);
}
else {
removeContact(1, item);
}
return true;
case R.id.add_workmate:
//
return true;
case R.id.add_neighbour:
//
return true;
case R.id.add_fan:
//
return true;
default:
return false;
}
}
// circle: 1 = friend, 2 = workmate, 3 = neighbour, 4 = fan
private void addContact(final int circle, final MenuItem item) {
switch (circle) {
case 1:
menuOpts.findItem(R.id.add_friend).setTitle(R.string.remove_friend);
// this won't work either:
// item.setTitle(R.string.remove_friend);
break;
case 2:
menuOpts.findItem(R.id.add_workmate).setTitle(R.string.remove_workmate);
break;
case 3:
menuOpts.findItem(R.id.add_neighbour).setTitle(R.string.remove_neighbour);
break;
case 4:
menuOpts.findItem(R.id.add_fan).setTitle(R.string.remove_fan);
break;
}
}
menu.xml文件:
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:android="http://schemas.android.com/apk/res/android">
<item
android:id="@+id/add_friend"
android:orderInCategory="100"
android:title="@string/add_as_friend"
app:showAsAction="always" />
<item
android:id="@+id/add_workmate"
android:orderInCategory="100"
android:title="@string/add_as_workmate"
app:showAsAction="always" />
<item
android:id="@+id/add_neighbour"
android:orderInCategory="100"
android:title="@string/add_as_neighbour"
app:showAsAction="always" />
<item
android:id="@+id/add_fan"
android:orderInCategory="100"
android:title="@string/add_as_fan"
app:showAsAction="always" />
</menu>