增加一个用于解决ScrollView嵌套ListView/GridView/WebView/RecyclerView等无法置顶问题的方法

Author: liyujiang-gzu

utilcode/lib/src/main/java/com/blankj/utilcode/util/ViewUtils.java

@@ -33,4 +33,28 @@ public static void setViewEnabled(View view, boolean enabled, View... excludes)
         }
         view.setEnabled(enabled);
     }
+
+    /**
+     * 用于解决ScrollView嵌套ListView/GridView/WebView/RecyclerView等无法置顶问题
+     *
+     * @param view ScrollView嵌套的跟视图
+     */
+    public static void fixScrollViewTopping(View view) {
+        view.setFocusable(false);
+        ViewGroup viewGroup = null;
+        if (view instanceof ViewGroup) {
+            viewGroup = (ViewGroup) view;
+        }
+        if (viewGroup == null) {
+            return;
+        }
+        for (int i = 0, n = viewGroup.getChildCount(); i < n; i++) {
+            View childAt = viewGroup.getChildAt(i);
+            childAt.setFocusable(false);
+            if (childAt instanceof ViewGroup) {
+                fixScrollViewTopping(childAt);
+            }
+        }
+    }
+
 }