[ACCEPTED]-Trying to add a fragment to my fragment container FrameLayout-android-framelayout
Accepted answer
You forgot to commit() your transaction.
0
You also forgot to call the addtoBackStack() method, otherwise 1 your app closes when you hit the back button.
add commit() like this
getSupportFragmentManager().beginTransaction().add(R.id.fragment_container, firstFrag).commit();
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1- //Add fragment container in xml file
<androidx.fragment.app.FragmentContainerView
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="@+id/fragment_container_view"
android:layout_width="match_parent"
android:layout_height="match_parent">
</androidx.fragment.app.FragmentContainerView>
2- //Implementation of BackStack
fragmentTransaction.setReorderingAllowed(true);
fragmentTransaction.addToBackStack("name");
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Source:
stackoverflow.com
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