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null is not an object(evaluting '_this._root_setNativeProps') #24

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combing520 opened this issue Mar 20, 2017 · 2 comments
Open

null is not an object(evaluting '_this._root_setNativeProps') #24

combing520 opened this issue Mar 20, 2017 · 2 comments

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@combing520
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null is not an object(evaluting '_this._root_setNativeProps') ,当按下 回退键(android)的就会出现该错误。我的 RN 版本为 0.42
@zhaogao
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zhaogao commented Apr 7, 2017

在源文件中改下代码就好了， 在lib/ToastContainer.js 128行
componentWillUnmount = () => {
this._root&&this._hide();
};

fatimaranile pushed a commit to fatimaranile/react-native-root-toast that referenced this issue Aug 4, 2017
@mranile
resolve magicismight#24
78da313
fatimaranile pushed a commit to fatimaranile/react-native-root-toast that referenced this issue Aug 4, 2017
@mranile
resolve issue magicismight#24
71cbcee
mranile added a commit to mranile/react-native-root-toast that referenced this issue Aug 4, 2017
@mranile
resolve magicismight#24
a3d46f6
kbaylosis added a commit to kbaylosis/react-native-root-toast that referenced this issue Aug 4, 2017
@kbaylosis
Merge pull request #1 from mranile/master
4422cca 
resolve magicismight#24
eeynard added a commit to eeynard/react-native-root-toast that referenced this issue Aug 8, 2017
@eeynard
Prevenet undefined this._root. resolve magicismight#24
6e95de9
@dannyhw
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dannyhw commented Jul 19, 2023

Was getting this when running on react native web and heres the relevant part of the patch I'm using

     componentWillUnmount = () => {
-        this._hide();
+        this._root && this._hide();
         this.dimensionListener?.remove();
         this.keyboardListener?.remove();
     };
@@ -172,9 +174,11 @@ class ToastContainer extends Component {
         if (!this._animating) {
             clearTimeout(this._hideTimeout);
             this._animating = true;
-            this._root.setNativeProps({
+            if(this._root && this._root.setNativeProps){
+              this._root.setNativeProps({
                 pointerEvents: 'auto'
-            });
+              });
+            }
             this.props.onShow && this.props.onShow(this.props.siblingManager);
             Animated.timing(this.state.opacity, {
                 toValue: this.props.opacity,
@@ -197,7 +201,7 @@ class ToastContainer extends Component {
         clearTimeout(this._showTimeout);
         clearTimeout(this._hideTimeout);
         if (!this._animating) {
-            if (this._root) {
+            if (this._root && this._root.setNativeProps) {
                 this._root.setNativeProps({
                     pointerEvents: 'none'
                 });

basically just a check around every setNativeProps

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3 participants
@dannyhw @zhaogao @combing520