danielwilson1702

<?xml version="1.0" encoding="utf-8"?>
<androidx.slidingpanelayout.widget.SlidingPaneLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:id="@+id/sliding_pane_layout">

    <androidx.fragment.app.FragmentContainerView
        android:id="@+id/primary_nav_host_fragment"
        android:name="androidx.navigation.fragment.NavHostFragment"
        android:layout_width="@dimen/list_width"

danielwilson1702

class TwoPaneOnBackPressedCallback(
    private val slidingPaneLayout: SlidingPaneLayout
) : OnBackPressedCallback(
    // Set the default 'enabled' state to true only if it is slidable (i.e., the panes
    // are overlapping) and open (i.e., the detail pane is visible).
    slidingPaneLayout.isSlideable && slidingPaneLayout.isOpen
), SlidingPaneLayout.PanelSlideListener {

    init {
        slidingPaneLayout.addPanelSlideListener(this)

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binding.slidingPaneLayout.lockMode = SlidingPaneLayout.LOCK_MODE_LOCKED

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binding.slidingPaneLayout.lockMode = SlidingPaneLayout.LOCK_MODE_LOCKED

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primaryViewModel.selection.observe(viewLifecycleOwner) {
            val directions =
                DetailNavGraphDirections.openDetail(args.tabNumber, "Selection observed: $it")
            detailNavHostFragment.navController.navigate(directions)
            binding.root.open()
        }

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//https://developer.android.com/guide/navigation/navigation-pass-data#start
        //Primary and detail nav graphs require data passed to them to initialize them with their tab number.
        val primaryNavHostFragment =
            childFragmentManager.findFragmentById(R.id.primary_nav_host_fragment) as NavHostFragment
        var navController = primaryNavHostFragment.navController
        navController.setGraph(
            R.navigation.primary_nav_graph, bundleOf(
                TAB_NUMBER to args.tabNumber
            )
        )

danielwilson1702

//https://developer.android.com/guide/navigation/navigation-pass-data#start
        //Primary and detail nav graphs require data passed to them to initialize them with their tab number.
        val primaryNavHostFragment =
            childFragmentManager.findFragmentById(R.id.primary_nav_host_fragment) as NavHostFragment
        var navController = primaryNavHostFragment.navController
        navController.setGraph(
            R.navigation.primary_nav_graph, bundleOf(
                TAB_NUMBER to args.tabNumber
            )
        )

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We couldn’t find that file to show.

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@Override
public void onBackPressed(){
    getActivity().getSupportFragmentManager().popBackStack();
}

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@Override
public void onBackPressed() {
    tellFragments();
    super.onBackPressed();
}

private void tellFragments(){
    List<Fragment> fragments = getSupportFragmentManager().getFragments();
    for(Fragment f : fragments){
        if(f != null && f instanceof BaseFragment)