Question 127479 in Android Studio Question posted in
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Android Studio – Why android application shows appbar twice?

It shows app name and fragment toolbar even if I use supportActionBar.hide and Theme.MaterialComponents.DayNight.NoActionBar

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2

Answers


  1. 0

    Add this in style

    <style name="Theme.ProjectName.NoActionBar">
    <item name="windowActionBar">false</item>
    <item name="windowNoTitle">true</item>
</style>

    Then add this in activity tag inside manifest

    android:theme="@style/Theme.ProjectName.NoActionBar"
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  2. 0

    You are adding PlaceholderFragment in your activity. –>

    if (savedInstanceState == null) {
getFragmentManager().beginTransaction().add(R.id.your_container, new 
PlaceholderFragment()).commit();
}

    Now PlaceholderFragment class is inflating the same layout as your activity as –>

    @Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle 
savedInstanceState) {
View rootView = inflater.inflate(R.layout.main, container, false);
return rootView;
}
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