!203 GetOrigRect函数调用会出现空指针异常

Merge pull request !203 from wangtiantian/bug_master3

frameworks/components/ui_view_group.cpp

@@ -35,7 +35,10 @@ UIViewGroup::UIViewGroup()
 #endif
 }
 
-UIViewGroup::~UIViewGroup() {}
+UIViewGroup::~UIViewGroup()
+{
+    RemoveAllChildren();
+}
 
 void UIViewGroup::Add(UIView* view)
 {
@@ -143,17 +146,7 @@ void UIViewGroup::Remove(UIView* view)
 
 void UIViewGroup::RemoveAll()
 {
-    UIView* node = childrenHead_;
-    childrenHead_ = nullptr;
-    childrenTail_ = nullptr;
-    childrenNum_ = 0;
-    UIView* tmp = nullptr;
-    while (node != nullptr) {
-        tmp = node;
-        node = node->GetNextSibling();
-        tmp->SetParent(nullptr);
-        tmp->SetNextSibling(nullptr);
-    }
+    RemoveAllChildren();
     OnChildChanged();
 }
 
@@ -298,4 +291,19 @@ void UIViewGroup::AutoResize()
     SetWidth(rect.GetWidth() + rect.GetLeft());
     SetHeight(rect.GetHeight() + rect.GetTop());
 }
+
+void UIViewGroup::RemoveAllChildren()
+{
+    UIView* node = childrenHead_;
+    childrenHead_ = nullptr;
+    childrenTail_ = nullptr;
+    childrenNum_ = 0;
+    UIView* tmp = nullptr;
+    while (node != nullptr) {
+        tmp = node;
+        node = node->GetNextSibling();
+        tmp->SetParent(nullptr);
+        tmp->SetNextSibling(nullptr);
+    }
+}
 } // namespace OHOS

interfaces/kits/components/ui_view_group.h

@@ -286,6 +286,7 @@ protected:
 
 private:
     void AutoResize();
+    void RemoveAllChildren();
 #if ENABLE_FOCUS_MANAGER
     bool isInterceptFocus_ : 1;
 #endif