Merge pull request #118 from alibaba/dev/yisheng

Dev/yisheng
2025-08-06 09:01:00 +08:00 · 2019-02-03 00:00:28 +08:00
parent 1a83be2c15 72d47ee325
commit 7aeaac595b
17 changed files with 164 additions and 112 deletions
--- a/lib/components/disclaimer_msg.dart
+++ b/lib/components/disclaimer_msg.dart
@ -33,11 +33,13 @@ class DisclaimerMsgState extends State<DisclaimerMsg> {
  void refs(bool value) async {
    final SharedPreferences prefs = await _prefs;
    final bool unKnow = value;
-    setState(() {
-      _unKnow = prefs.setBool("disclaimer::Boolean", unKnow).then((bool success) {
-        return unKnow;
+    if (mounted) {
+      setState(() {
+        _unKnow = prefs.setBool("disclaimer::Boolean", unKnow).then((bool success) {
+          return unKnow;
+        });
      });
-    });
+    }
  }

  @override
@ -135,12 +137,12 @@ class DisclaimerMsgState extends State<DisclaimerMsg> {
                  tristate: false,
                  value: _valBool,
                  onChanged: (bool bol) {
-                    setState(() {
-                      _valBool = bol;
-                    });
-//                                refs(bol);
-                    Navigator.of(context)
-                        .pop(); // here I pop to avoid multiple Dialogs
+                    if(mounted) {
+                      setState(() {
+                        _valBool = bol;
+                      });
+                    }
+                    Navigator.of(context).pop(); // here I pop to avoid multiple Dialogs
                    showAlertDialog(context); //here i call the same function
                  }),
              Text('不再自动提示', style: TextStyle(fontSize: 14)),
--- a/lib/components/list_refresh.dart
+++ b/lib/components/list_refresh.dart
@ -61,7 +61,9 @@ class _ListRefreshState extends State<ListRefresh> {
  Future _getMoreData() async {
    if (!isLoading && _hasMore) {
      // 如果上一次异步请求数据完成 同时有数据可以加载
-      setState(() => isLoading = true);
+      if (mounted) {
+        setState(() => isLoading = true);
+      }
      //if(_hasMore){ // 还有数据可以拉新
      List newEntries = await mokeHttpRequest();
      //if (newEntries.isEmpty) {
--- a/lib/views/welcome_page/fourth_page.dart
+++ b/lib/views/welcome_page/fourth_page.dart
@ -24,52 +24,54 @@ class FourthPageState extends State<FourthPage> with TickerProviderStateMixin {
    slideUpdateStream = new StreamController<SlideUpdate>();

    slideUpdateStream.stream.listen((SlideUpdate event) {
-      setState(() {
-        if (event.updateType == UpdateType.dragging) {
-          slideDirection = event.direction;
-          slidePercent = event.slidePercent;
+      if(mounted) {
+        setState(() {
+          if (event.updateType == UpdateType.dragging) {
+            slideDirection = event.direction;
+            slidePercent = event.slidePercent;

-          if (slideDirection == SlideDirection.leftToRight) {
-            nextPageIndex = activeIndex - 1;
-          } else if (slideDirection == SlideDirection.rightToLeft) {
-            nextPageIndex = activeIndex + 1;
-          } else {
-            nextPageIndex = activeIndex;
+            if (slideDirection == SlideDirection.leftToRight) {
+              nextPageIndex = activeIndex - 1;
+            } else if (slideDirection == SlideDirection.rightToLeft) {
+              nextPageIndex = activeIndex + 1;
+            } else {
+              nextPageIndex = activeIndex;
+            }
+          } else if (event.updateType == UpdateType.doneDragging) {
+            if (slidePercent > 0.5) {
+              animatedPageDragger = new AnimatedPageDragger(
+                slideDirection: slideDirection,
+                transitionGoal: TransitionGoal.open,
+                slidePercent: slidePercent,
+                slideUpdateStream: slideUpdateStream,
+                vsync: this,
+              );
+            } else {
+              animatedPageDragger = new AnimatedPageDragger(
+                slideDirection: slideDirection,
+                transitionGoal: TransitionGoal.close,
+                slidePercent: slidePercent,
+                slideUpdateStream: slideUpdateStream,
+                vsync: this,
+              );
+
+              nextPageIndex = activeIndex;
+            }
+
+            animatedPageDragger.run();
+          } else if (event.updateType == UpdateType.animating) {
+            slideDirection = event.direction;
+            slidePercent = event.slidePercent;
+          } else if (event.updateType == UpdateType.doneAnimating) {
+            activeIndex = nextPageIndex;
+
+            slideDirection = SlideDirection.none;
+            slidePercent = 0.0;
+
+            animatedPageDragger.dispose();
          }
-        } else if (event.updateType == UpdateType.doneDragging) {
-          if (slidePercent > 0.5) {
-            animatedPageDragger = new AnimatedPageDragger(
-              slideDirection: slideDirection,
-              transitionGoal: TransitionGoal.open,
-              slidePercent: slidePercent,
-              slideUpdateStream: slideUpdateStream,
-              vsync: this,
-            );
-          } else {
-            animatedPageDragger = new AnimatedPageDragger(
-              slideDirection: slideDirection,
-              transitionGoal: TransitionGoal.close,
-              slidePercent: slidePercent,
-              slideUpdateStream: slideUpdateStream,
-              vsync: this,
-            );
-
-            nextPageIndex = activeIndex;
-          }
-
-          animatedPageDragger.run();
-        } else if (event.updateType == UpdateType.animating) {
-          slideDirection = event.direction;
-          slidePercent = event.slidePercent;
-        } else if (event.updateType == UpdateType.doneAnimating) {
-          activeIndex = nextPageIndex;
-
-          slideDirection = SlideDirection.none;
-          slidePercent = 0.0;
-
-          animatedPageDragger.dispose();
-        }
-      });
+        });
+      }
    });
  }

--- a/lib/widgets/components/List/AnimatedList/demo.dart
+++ b/lib/widgets/components/List/AnimatedList/demo.dart
@ -43,9 +43,11 @@ class _AnimatedListFullDefault extends State<AnimatedListFullDefault> {
  void remove() {
    if (_selectedItem != null) {
      _list.removeAt(_list.indexOf(_selectedItem));
-      setState(() {
-        _selectedItem = null;
-      });
+      if(mounted) {
+        setState(() {
+          _selectedItem = null;
+        });
+      }
    }
  }

--- a/lib/widgets/components/Navigation/BottomNavigationBar/demo.dart
+++ b/lib/widgets/components/Navigation/BottomNavigationBar/demo.dart
@ -25,9 +25,11 @@ class _BottomNavigationBarFullDefault extends State {
   int _currentIndex = 1;

  void _onItemTapped(int index) {
-    setState(() {
-      _currentIndex = index;
-    });
+    if(mounted) {
+      setState(() {
+        _currentIndex = index;
+      });
+    }
  }

  @override
--- a/lib/widgets/elements/Form/Button/DropdownButton/demo.dart
+++ b/lib/widgets/elements/Form/Button/DropdownButton/demo.dart
@ -124,9 +124,11 @@ class DropdownButtonCustom extends StatelessWidget {
        value: selectItemValue,
        //下拉菜单item点击之后的回调
        onChanged: (T){
-          parent.setState((){
-            selectItemValue = T;
-          });
+          if (parent.mounted) {
+            parent.setState(() {
+              selectItemValue = T;
+            });
+          }
        },
        //设置阴影的高度
        elevation: 24,
--- a/lib/widgets/elements/Form/Button/FloatingActionButton/index.dart
+++ b/lib/widgets/elements/Form/Button/FloatingActionButton/index.dart
@ -50,9 +50,11 @@ class _DemoState extends State<Demo> {
  String buttonShapeType = 'border'; // 边框类型
  void setButtonShapeType(){
    String _buttonShapeType = (buttonShapeType == 'border') ? 'radius' : 'border';
-    this.setState((){
-      buttonShapeType = _buttonShapeType;
-    });
+    if(mounted) {
+      this.setState(() {
+        buttonShapeType = _buttonShapeType;
+      });
+    }
  }
  @override
  Widget build(BuildContext context) {
--- a/lib/widgets/elements/Form/Button/IconButton/index.dart
+++ b/lib/widgets/elements/Form/Button/IconButton/index.dart
@ -45,9 +45,11 @@ class _DemoState extends State<Demo> {
  String buttonShapeType = 'border'; // 边框类型
  void setButtonShapeType(){
    String _buttonShapeType = (buttonShapeType == 'border') ? 'radius' : 'border';
-    this.setState((){
-      buttonShapeType = _buttonShapeType;
-    });
+    if(mounted) {
+      this.setState(() {
+        buttonShapeType = _buttonShapeType;
+      });
+    }
  }
  @override
  Widget build(BuildContext context) {
--- a/lib/widgets/elements/Form/Button/OutlineButton/index.dart
+++ b/lib/widgets/elements/Form/Button/OutlineButton/index.dart
@ -54,9 +54,11 @@ class _DemoState extends State<Demo> {
  String buttonShapeType = 'border'; // 边框类型
  void setButtonShapeType(){
    String _buttonShapeType = (buttonShapeType == 'border') ? 'radius' : 'border';
-    this.setState((){
-      buttonShapeType = _buttonShapeType;
-    });
+    if (mounted) {
+      this.setState(() {
+        buttonShapeType = _buttonShapeType;
+      });
+    }
  }
  @override
  Widget build(BuildContext context) {
--- a/lib/widgets/elements/Form/Button/RaisedButton/index.dart
+++ b/lib/widgets/elements/Form/Button/RaisedButton/index.dart
@ -53,9 +53,11 @@ class _DemoState extends State<Demo> {
  String buttonShapeType = 'border'; // 边框类型
  void setButtonShapeType(){
    String _buttonShapeType = (buttonShapeType == 'border') ? 'radius' : 'border';
-    this.setState((){
-      buttonShapeType = _buttonShapeType;
-    });
+    if(mounted) {
+      this.setState(() {
+        buttonShapeType = _buttonShapeType;
+      });
+    }
  }
  @override
  Widget build(BuildContext context) {
--- a/lib/widgets/elements/Form/Button/RawMaterialButton/index.dart
+++ b/lib/widgets/elements/Form/Button/RawMaterialButton/index.dart
@ -43,9 +43,11 @@ class _DemoState extends State<Demo> {
  String buttonShapeType = 'border'; // 边框类型
  void setButtonShapeType(){
    //String _buttonShapeType = (buttonShapeType == 'border') ? 'radius' : 'border';
-    this.setState((){
-      //buttonShapeType = _buttonShapeType;
-    });
+    if( mounted ) {
+      this.setState(() {
+        //buttonShapeType = _buttonShapeType;
+      });
+    }
  }
  @override
  Widget build(BuildContext context) {
--- a/lib/widgets/elements/Form/CheckBox/Checkbox/demo.dart
+++ b/lib/widgets/elements/Form/CheckBox/Checkbox/demo.dart
@ -30,9 +30,11 @@ class _CheckboxDefault extends State {
        tristate:false,
        value: isChecked,
        onChanged: (bool bol) {
-          setState((){
-            isChecked = bol;
-          });
+          if(mounted) {
+            setState(() {
+              isChecked = bol;
+            });
+          }
        }
    );
  }
@ -58,9 +60,11 @@ class CheckboxSelect extends StatelessWidget {
        tristate:false,
        value: parent.selectValue == this.index,
        onChanged: (bool bol) {
-          parent.setState((){
-            parent.selectValue = bol ? this.index : -1;
-          });
+          if(parent.mounted) {
+            parent.setState(() {
+              parent.selectValue = bol ? this.index : -1;
+            });
+          }
        }
    );
  }
--- a/lib/widgets/elements/Form/CheckBox/CheckboxListTile/demo.dart
+++ b/lib/widgets/elements/Form/CheckBox/CheckboxListTile/demo.dart
@ -25,7 +25,9 @@ class _CheckboxListTileStateDefault extends State {
    for (var i = 0; i < isChecks.length; i++) {
      isChecks[i] = value;
    }
-    setState(() => _value = value);
+    if(mounted) {
+      setState(() => _value = value);
+    }
  }
  bool isCheck=false;
  List<bool> isChecks=[false,false,false,false];
@ -55,9 +57,11 @@ class _CheckboxListTileStateDefault extends State {
              activeColor: _value ? Colors.red : Colors.green,
              controlAffinity: ListTileControlAffinity.platform,
              onChanged: (bool){
-                setState(() {
-                  isChecks[0]=bool;
-                });
+                if(mounted) {
+                  setState(() {
+                    isChecks[0] = bool;
+                  });
+                }
              }),
        ),
         Center(
--- a/lib/widgets/elements/Media/Canvas/Canvas/demo.dart
+++ b/lib/widgets/elements/Media/Canvas/Canvas/demo.dart
@ -39,9 +39,11 @@ class CustomViewPageState extends State<CustomViewPage>
  void initState() {
    super.initState();
    getImage("assets/images/painterImg.jpeg").then((data) {
-      setState(() {
-        image = data;
-      });
+      if (mounted) {
+        setState(() {
+          image = data;
+        });
+      }
    });
  }

--- a/lib/widgets/elements/Media/Canvas/CircleProgressBarPainter/demo.dart
+++ b/lib/widgets/elements/Media/Canvas/CircleProgressBarPainter/demo.dart
@ -30,7 +30,9 @@ class CustomViewPageState extends State<CustomViewPage>
    _doubleAnimation = Tween(begin: 0.0, end: 360.0).animate(_controller);

    _controller.addListener(() {
-      this.setState(() {});
+      if(mounted){
+        this.setState(() {});
+      }
    });
    onAnimationStart();
  }
--- a/lib/widgets/elements/Media/Canvas/PainterSketch/demo.dart
+++ b/lib/widgets/elements/Media/Canvas/PainterSketch/demo.dart
@ -30,9 +30,11 @@ class _PainterSketchDomeState extends State<PainterSketchDome> {
    final Offset xy = box.globalToLocal(detail.globalPosition);// 重要需要转换以下坐标位置
    Offset p = Offset(xy.dx, xy.dy - 60);
    //Offset p = Offset(detail.globalPosition.dx, detail.globalPosition.dy - 60);
-    setState(() {
-      nowPoints.add(p);
-    });
+    if (mounted) {
+      setState(() {
+        nowPoints.add(p);
+      });
+    }
  }

  void newGestureDetector(DragStartDetails detail) {
@ -45,9 +47,11 @@ class _PainterSketchDomeState extends State<PainterSketchDome> {
    final Offset xy = box.globalToLocal(detail.globalPosition);// 重要需要转换以下坐标位置
    Offset p = Offset(xy.dx, xy.dy - 60);
    //Offset p = Offset(detail.globalPosition.dx, detail.globalPosition.dy - 60);
-    setState(() {
-      nowPoints.add(p);
-    });
+    if (mounted) {
+      setState(() {
+        nowPoints.add(p);
+      });
+    }
  }

  void changeColor (Color c){
@ -55,10 +59,12 @@ class _PainterSketchDomeState extends State<PainterSketchDome> {
      LinePoints l = LinePoints(new List<Offset>.from(nowPoints), nowColor);
      lines.add(l);
    }
-    setState(() {
-      nowPoints.clear();
-      nowColor = c;
-    });
+    if (mounted) {
+      setState(() {
+        nowPoints.clear();
+        nowColor = c;
+      });
+    }
  }

  List<Color> colors = <Color>[
@ -74,10 +80,12 @@ class _PainterSketchDomeState extends State<PainterSketchDome> {
    Colors.cyanAccent,];

  void _tapClear(){
-    setState(() {
-      lines.clear();
-      nowPoints.clear();
-    });
+    if (mounted) {
+      setState(() {
+        lines.clear();
+        nowPoints.clear();
+      });
+    }
  }

  @override
--- a/lib/widgets/themes/Cupertino/CupertinoPicker/demo.dart
+++ b/lib/widgets/themes/Cupertino/CupertinoPicker/demo.dart
@ -108,7 +108,9 @@ class _CupertinoPickerDemoState extends State<CupertinoPickerDemo> {
                  backgroundColor: CupertinoColors.white,// 所有子节点下面的背景颜色
                  useMagnifier:true,// 是否使用放大效果
                  onSelectedItemChanged: (int index) { // 当正中间选项改变时的回调
-                    setState(() => _selectedColorIndex = index);
+                    if (mounted) {
+                      setState(() => _selectedColorIndex = index);
+                    }
                  },
                  children: List<Widget>.generate(coolColorNames.length, (int index) {
                return Center(child:
@ -144,7 +146,9 @@ class _CupertinoPickerDemoState extends State<CupertinoPickerDemo> {
              CupertinoTimerPicker(
                initialTimerDuration: timer,
                onTimerDurationChanged: (Duration newTimer) {
-                  setState(() => timer = newTimer);
+                  if (mounted) {
+                    setState(() => timer = newTimer);
+                  }
                },
              ),
            );
@ -176,7 +180,9 @@ class _CupertinoPickerDemoState extends State<CupertinoPickerDemo> {
                mode: CupertinoDatePickerMode.date,
                initialDateTime: date,
                onDateTimeChanged: (DateTime newDateTime) {
-                  setState(() => date = newDateTime);
+                  if (mounted) {
+                    setState(() => date = newDateTime);
+                  }
                },
              ),
            );
@ -206,7 +212,9 @@ class _CupertinoPickerDemoState extends State<CupertinoPickerDemo> {
                mode: CupertinoDatePickerMode.time,
                initialDateTime: time,
                onDateTimeChanged: (DateTime newDateTime) {
-                  setState(() => time = newDateTime);
+                  if (mounted) {
+                    setState(() => time = newDateTime);
+                  }
                },
              ),
            );
@ -236,7 +244,9 @@ class _CupertinoPickerDemoState extends State<CupertinoPickerDemo> {
                mode: CupertinoDatePickerMode.dateAndTime,
                initialDateTime: dateTime,
                onDateTimeChanged: (DateTime newDateTime) {
-                  setState(() => dateTime = newDateTime);
+                  if (mounted) {
+                    setState(() => dateTime = newDateTime);
+                  }
                },
              ),
            );