xplat/js/react-native-github/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/uimanager/IViewGroupManager.java

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/uimanager/IViewGroupManager.kt

@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+package com.facebook.react.uimanager
+
+import android.view.View
+import com.facebook.react.bridge.UiThreadUtil
+
+/** Interface providing children management API for view managers of classes extending ViewGroup. */
+public interface IViewGroupManager<T : View> : IViewManagerWithChildren {
+
+  /** Adds a child view into the parent at the index specified as a parameter */
+  public fun addView(parent: T, child: View, index: Int)
+
+  /** @return child of the parent view at the index specified as a parameter. */
+  public fun getChildAt(parent: T, index: Int): View?
+
+  /** Removes View from the parent View at the index specified as a parameter. */
+  public fun removeViewAt(parent: T, index: Int)
+
+  /** Remove all child views from the parent View. */
+  public fun removeAllViews(parent: T) {
+    UiThreadUtil.assertOnUiThread()
+    for (i in getChildCount(parent) - 1 downTo 0) {
+      removeViewAt(parent, i)
+    }
+  }
+
+  /** Return the amount of children contained by the view specified as a parameter. */
+  public fun getChildCount(parent: T): Int
+}

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/uimanager/IViewManagerWithChildren.java → packages/react-native/ReactAndroid/src/main/java/com/facebook/react/uimanager/IViewManagerWithChildren.kt

@@ -5,7 +5,7 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-package com.facebook.react.uimanager;
+package com.facebook.react.uimanager
 
 public interface IViewManagerWithChildren {
   /**
@@ -16,5 +16,5 @@ public interface IViewManagerWithChildren {
    * of automatically laying out children without going through the ViewGroup's onLayout method. In
    * that case, onLayout for this View type must *not* call layout on its children.
    */
-  boolean needsCustomLayoutForChildren();
+  public fun needsCustomLayoutForChildren(): Boolean
 }