Actionbar按钮没有显示在片段
问题描述:
我的工具栏按钮没有显示在我试过的片段中setHasOptionsMenu(true);。当我点击导航抽屉项目时,它会为每个片段加载新片段,我想要显示不同的操作栏按钮(通知或保存)。以下是我的代码,预先感谢。Actionbar按钮没有显示在片段
以下是我片段码:(这是相同的导航抽屉所有碎片)
public class Company1 extends Fragment {
@Override
public void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setHasOptionsMenu(true);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_company_profile,container, false);
init(view);
btnAdd.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
showAddDialog();
}
});
return view;
}
@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
inflater.inflate(R.menu.company_profile, menu);
super.onCreateOptionsMenu(menu, inflater);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.notification:
break;
}
return super.onOptionsItemSelected(item);
}
}
这是company_profile.xml
<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" >
<item
android:id="@+id/notification"
android:icon="@drawable/ic_action_notification"
android:title="@string/mnuNotificationText"
app:showAsAction="always"/>
</menu>
答
请检查此代码段
public class Company1 extends Fragment {
@Override
public void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_company_profile,container, false);
setHasOptionsMenu(true);
init(view);
btnAdd.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
showAddDialog();
}
});
return view;
}
@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
inflater.inflate(R.menu.company_profile, menu);
super.onCreateOptionsMenu(menu, inflater);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.notification:
break;
}
return super.onOptionsItemSelected(item);
}
@Override
public void onPrepareOptionsMenu(Menu menu) {
//You can change menuitem property
//menu.findItem(R.id.notification).setVisible(true);
super.onPrepareOptionsMenu(menu);
}
}
I它没有出现在任何片段中,或者只在某些情况下(没有更新等)? – Shaishav
不是所有带导航抽屉的片段。 – Harshad07