Membuat tata letak dua panel

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dependencies {
    implementation "androidx.slidingpanelayout:slidingpanelayout:1.2.0"
}

dependencies {
    implementation("androidx.slidingpanelayout:slidingpanelayout:1.2.0")
}

// A method on the Fragment that owns the SlidingPaneLayout,called by the
// adapter when an item is selected.
fun openDetails(itemId: Int) {
    childFragmentManager.commit {
        setReorderingAllowed(true)
        replace<ItemFragment>(R.id.detail_container,
            bundleOf("itemId" to itemId))
        // If it's already open and the detail pane is visible, crossfade
        // between the fragments.
        if (binding.slidingPaneLayout.isOpen) {
            setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE)
        }
    }
    binding.slidingPaneLayout.open()
}

// A method on the Fragment that owns the SlidingPaneLayout, called by the
// adapter when an item is selected.
void openDetails(int itemId) {
    Bundle arguments = new Bundle();
    arguments.putInt("itemId", itemId);
    FragmentTransaction ft = getChildFragmentManager().beginTransaction()
            .setReorderingAllowed(true)
            .replace(R.id.detail_container, ItemFragment.class, arguments);
    // If it's already open and the detail pane is visible, crossfade
    // between the fragments.
    if (binding.getSlidingPaneLayout().isOpen()) {
        ft.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE);
    }
    ft.commit();
    binding.getSlidingPaneLayout().open();
}

fun openDetails(itemId: Int) {
    val navController = navHostFragment.navController
    navController.navigate(
        // Assume the itemId is the android:id of a destination in the graph.
        itemId,
        null,
        NavOptions.Builder()
            // Pop all destinations off the back stack.
            .setPopUpTo(navController.graph.startDestination, true)
            .apply {
                // If it's already open and the detail pane is visible,
                // crossfade between the destinations.
                if (binding.slidingPaneLayout.isOpen) {
                    setEnterAnim(R.animator.nav_default_enter_anim)
                    setExitAnim(R.animator.nav_default_exit_anim)
                }
            }
            .build()
    )
    binding.slidingPaneLayout.open()
}

void openDetails(int itemId) {
    NavController navController = navHostFragment.getNavController();
    NavOptions.Builder builder = new NavOptions.Builder()
            // Pop all destinations off the back stack.
            .setPopUpTo(navController.getGraph().getStartDestination(), true);
    // If it's already open and the detail pane is visible, crossfade between
    // the destinations.
    if (binding.getSlidingPaneLayout().isOpen()) {
        builder.setEnterAnim(R.animator.nav_default_enter_anim)
                .setExitAnim(R.animator.nav_default_exit_anim);
    }
    navController.navigate(
        // Assume the itemId is the android:id of a destination in the graph.
        itemId,
        null,
        builder.build()
    );
    binding.getSlidingPaneLayout().open();
}

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

    init {
        slidingPaneLayout.addPanelSlideListener(this)
    }

    override fun handleOnBackPressed() {
        // Return to the list pane when the system back button is tapped.
        slidingPaneLayout.closePane()
    }

    override fun onPanelSlide(panel: View, slideOffset: Float) { }

    override fun onPanelOpened(panel: View) {
        // Intercept the system back button when the detail pane becomes
        // visible.
        isEnabled = true
    }

    override fun onPanelClosed(panel: View) {
        // Disable intercepting the system back button when the user returns to
        // the list pane.
        isEnabled = false
    }
}

class TwoPaneOnBackPressedCallback extends OnBackPressedCallback
        implements SlidingPaneLayout.PanelSlideListener {

    private final SlidingPaneLayout mSlidingPaneLayout;

    TwoPaneOnBackPressedCallback(@NonNull SlidingPaneLayout slidingPaneLayout) {
        // Set the default 'enabled' state to true only if it is slideable, such
        // as when the panes overlap, and open, such as when the detail pane is
        // visible.
        super(slidingPaneLayout.isSlideable() && slidingPaneLayout.isOpen());
        mSlidingPaneLayout = slidingPaneLayout;
        slidingPaneLayout.addPanelSlideListener(this);
    }

    @Override
    public void handleOnBackPressed() {
        // Return to the list pane when the system back button is tapped.
        mSlidingPaneLayout.closePane();
    }

    @Override
    public void onPanelSlide(@NonNull View panel, float slideOffset) { }

    @Override
    public void onPanelOpened(@NonNull View panel) {
        // Intercept the system back button when the detail pane becomes
        // visible.
        setEnabled(true);
    }

    @Override
    public void onPanelClosed(@NonNull View panel) {
        // Disable intercepting the system back button when the user returns to
        // the list pane.
        setEnabled(false);
    }
}

class TwoPaneFragment : Fragment(R.layout.two_pane) {

    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        val binding = TwoPaneBinding.bind(view)

        // Connect the SlidingPaneLayout to the system back button.
        requireActivity().onBackPressedDispatcher.addCallback(viewLifecycleOwner,
            TwoPaneOnBackPressedCallback(binding.slidingPaneLayout))

        // Set up the RecyclerView adapter.
    }
}

class TwoPaneFragment extends Fragment {

    public TwoPaneFragment() {
        super(R.layout.two_pane);
    }

    @Override
    public void onViewCreated(@NonNull View view,
             @Nullable Bundle savedInstanceState) {
        TwoPaneBinding binding = TwoPaneBinding.bind(view);

        // Connect the SlidingPaneLayout to the system back button.
        requireActivity().getOnBackPressedDispatcher().addCallback(
            getViewLifecycleOwner(),
            new TwoPaneOnBackPressedCallback(binding.getSlidingPaneLayout()));

        // Set up the RecyclerView adapter.
    }
}

binding.slidingPaneLayout.lockMode = SlidingPaneLayout.LOCK_MODE_LOCKED

binding.getSlidingPaneLayout().setLockMode(SlidingPaneLayout.LOCK_MODE_LOCKED);