[Nav Rail / Bottom Nav / Nav Bar] API Fixes

Resolves #2131

PiperOrigin-RevId: 365873683

Author: dsn5ft

lib/java/com/google/android/material/bottomnavigation/BottomNavigationItemView.java

@@ -29,7 +29,7 @@
 
 /** @hide For internal use only. */
 @RestrictTo(LIBRARY_GROUP)
-final class BottomNavigationItemView extends NavigationBarItemView {
+public class BottomNavigationItemView extends NavigationBarItemView {
   public BottomNavigationItemView(@NonNull Context context) {
     super(context);
   }

lib/java/com/google/android/material/bottomnavigation/BottomNavigationView.java

@@ -18,6 +18,8 @@
 
 import com.google.android.material.R;
 
+import static androidx.annotation.RestrictTo.Scope.LIBRARY_GROUP;
+
 import android.content.Context;
 import android.os.Build.VERSION;
 import androidx.appcompat.widget.TintTypedArray;
@@ -27,6 +29,7 @@
 import android.widget.FrameLayout;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
+import androidx.annotation.RestrictTo;
 import androidx.coordinatorlayout.widget.CoordinatorLayout;
 import androidx.core.content.ContextCompat;
 import com.google.android.material.behavior.HideBottomViewOnScrollBehavior;
@@ -149,6 +152,8 @@ public int getMaxItemCount() {
     return MAX_ITEM_COUNT;
   }
 
+  /** @hide */
+  @RestrictTo(LIBRARY_GROUP)
   @Override
   @NonNull
   protected NavigationBarMenuView createNavigationBarMenuView(@NonNull Context context) {

lib/java/com/google/android/material/navigation/NavigationBarView.java

@@ -708,7 +708,12 @@ protected interface OnItemReselectedListener {
   /** Returns the maximum number of items that can be shown in NavigationBarView. */
   public abstract int getMaxItemCount();
 
-  /** Returns reference to a newly created {@link NavigationBarMenuView} */
+  /**
+   * Returns reference to a newly created {@link NavigationBarMenuView}
+   *
+   * @hide
+   */
+  @RestrictTo(LIBRARY_GROUP)
   @NonNull
   protected abstract NavigationBarMenuView createNavigationBarMenuView(@NonNull Context context);
 

lib/java/com/google/android/material/navigationrail/NavigationRailView.java

@@ -19,6 +19,7 @@
 import com.google.android.material.R;
 
 import static android.view.ViewGroup.LayoutParams.WRAP_CONTENT;
+import static androidx.annotation.RestrictTo.Scope.LIBRARY_GROUP;
 import static java.lang.Math.min;
 
 import android.content.Context;
@@ -32,6 +33,7 @@
 import androidx.annotation.LayoutRes;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
+import androidx.annotation.RestrictTo;
 import com.google.android.material.internal.ThemeEnforcement;
 import com.google.android.material.navigation.NavigationBarView;
 
@@ -235,6 +237,8 @@ private NavigationRailMenuView getNavigationRailMenuView() {
     return (NavigationRailMenuView) getMenuView();
   }
 
+  /** @hide */
+  @RestrictTo(LIBRARY_GROUP)
   @Override
   @NonNull
   protected NavigationRailMenuView createNavigationBarMenuView(@NonNull Context context) {