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Merged
merged 2 commits into from
Aug 31, 2025
Merged

feat: add navigation rail and update navigation components #78

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19b2978
feat: add navigation rail and update navigation components
MihaiCristianCondrea Aug 31, 2025
da863e8
fix: cast NavigationBarView in MainActivity
MihaiCristianCondrea Aug 31, 2025
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35 changes: 22 additions & 13 deletions app/src/main/java/com/d4rk/androidtutorials/java/ui/screens/main/MainActivity.java
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Original file line number Diff line number Diff line change
Expand Up @@ -41,8 +41,8 @@
import com.d4rk.androidtutorials.java.utils.EdgeToEdgeDelegate;
import com.google.android.gms.ads.AdRequest;
import com.google.android.gms.ads.MobileAds;
import com.google.android.material.bottomnavigation.BottomNavigationView;
import com.google.android.material.dialog.MaterialAlertDialogBuilder;
import com.google.android.material.navigation.NavigationBarView;
import com.google.android.material.navigationrail.NavigationRailView;
import com.google.android.material.snackbar.Snackbar;
import com.google.android.play.core.appupdate.AppUpdateInfo;
Expand Down Expand Up @@ -185,18 +185,29 @@ private void launcherShortcuts() {
ShortcutManagerCompat.pushDynamicShortcut(this, shortcut);
}

private boolean shouldUseNavigationRail() {
return getResources().getConfiguration().smallestScreenWidthDp >= 600;
}

private void observeViewModel() {
mainViewModel.getUiState().observe(this, uiState -> {
if (uiState == null) {
return;
}

boolean useRail = shouldUseNavigationRail();
EdgeToEdgeDelegate edgeToEdgeDelegate = new EdgeToEdgeDelegate(this);
if (mBinding.navView instanceof BottomNavigationView) {

edgeToEdgeDelegate.applyEdgeToEdgeBottomBar(mBinding.container, mBinding.navView);
NavigationBarView navBarView = (NavigationBarView) mBinding.navView;
if (useRail) {
mBinding.navRail.setVisibility(View.VISIBLE);
navBarView.setVisibility(View.GONE);
edgeToEdgeDelegate.applyEdgeToEdge(mBinding.container);
} else {
mBinding.navRail.setVisibility(View.GONE);
navBarView.setVisibility(View.VISIBLE);
edgeToEdgeDelegate.applyEdgeToEdgeBottomBar(mBinding.container, navBarView);

((BottomNavigationView) mBinding.navView).setLabelVisibilityMode(uiState.getBottomNavVisibility());
navBarView.setLabelVisibilityMode(uiState.getBottomNavVisibility());
if (mBinding.adView != null) {
if (ConsentUtils.canShowAds(this)) {
MobileAds.initialize(this);
Expand All @@ -206,8 +217,6 @@ private void observeViewModel() {
mBinding.adView.setVisibility(View.GONE);
}
}
} else {
edgeToEdgeDelegate.applyEdgeToEdge(mBinding.container);
}

NavHostFragment navHostFragment = (NavHostFragment)
Expand All @@ -225,15 +234,15 @@ private void observeViewModel() {
.setPopExitAnim(R.anim.fragment_spring_pop_exit)
.build();

if (mBinding.navView instanceof BottomNavigationView bottomNav) {
NavigationUI.setupWithNavController(bottomNav, navController);
bottomNav.setOnItemSelectedListener(item -> {
if (useRail) {
NavigationUI.setupWithNavController(mBinding.navRail, navController);
mBinding.navRail.setOnItemSelectedListener(item -> {
navController.navigate(item.getItemId(), null, springNavOptions);
return true;
});
} else if (mBinding.navView instanceof NavigationRailView railView) {
NavigationUI.setupWithNavController(railView, navController);
railView.setOnItemSelectedListener(item -> {
} else {
NavigationUI.setupWithNavController(navBarView, navController);
navBarView.setOnItemSelectedListener(item -> {
navController.navigate(item.getItemId(), null, springNavOptions);
return true;
});
Expand Down
17 changes: 15 additions & 2 deletions app/src/main/res/layout/activity_main.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -19,12 +19,24 @@
app:title="@string/app_name" />
</com.google.android.material.appbar.AppBarLayout>

<com.google.android.material.navigationrail.NavigationRailView
android:id="@+id/nav_rail"
android:layout_width="wrap_content"
android:layout_height="0dp"
android:visibility="gone"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@id/app_bar_layout"
app:layout_constraintBottom_toTopOf="@id/ad_view"
app:menu="@menu/bottom_nav_menu" />

<androidx.fragment.app.FragmentContainerView
android:id="@+id/nav_host_fragment_activity_main"
android:name="androidx.navigation.fragment.NavHostFragment"
android:layout_width="match_parent"
android:layout_width="0dp"
android:layout_height="0dp"
app:defaultNavHost="true"
app:layout_constraintStart_toEndOf="@id/nav_rail"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintBottom_toTopOf="@id/ad_view"
app:layout_constraintTop_toBottomOf="@id/app_bar_layout"
app:navGraph="@navigation/mobile_navigation" />
Expand All @@ -37,10 +49,11 @@
app:adUnitId="@string/ad_banner_unit_id"
app:layout_constraintBottom_toTopOf="@id/nav_view" />

<com.google.android.material.bottomnavigation.BottomNavigationView
<com.google.android.material.navigation.NavigationBarView
android:id="@+id/nav_view"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:labelVisibilityMode="labeled"
app:layout_constraintBottom_toBottomOf="parent"
app:menu="@menu/bottom_nav_menu" />
</androidx.constraintlayout.widget.ConstraintLayout>
9 changes: 6 additions & 3 deletions app/src/main/res/menu/bottom_nav_menu.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -3,13 +3,16 @@
<item
android:id="@+id/navigation_home"
android:icon="@drawable/nav_news"
android:title="@string/home" />
android:title="@string/home"
android:contentDescription="@string/home" />
<item
android:id="@+id/navigation_android_studio"
android:icon="@drawable/ic_android"
android:title="@string/android_studio" />
android:title="@string/android_studio"
android:contentDescription="@string/android_studio" />
<item
android:id="@+id/navigation_about"
android:icon="@drawable/nav_about"
android:title="@string/about" />
android:title="@string/about"
android:contentDescription="@string/about" />
</menu>