react-native

问题 i have method in my parent element, an d i passed it as a prop; like this: <NavBar retrieveList={this.retrieveList}/> and in my child component i can not able to call this method from another method body. handleCloseModal () { window.$('#newHireModal').modal('hide'); /* this is working */ console.log(this.props.retrieveList); /* it gives method body, just to be sure props is coming here */ this.props.retrieveList; /*it gives "Expected an assignment or function call..." */ this.props

问题 I'm trying to react-native run-android there is this problem?? Could not resolve all files for configuration ':react-native-screens:debugCompileClasspath'. Could not find swiperefreshlayout.jar (androidx.swiperefreshlayout:swiperefreshlayout:1.0.0) 回答1: i fix it by change this for Navigation x5: androidx.swiperefreshlayout:swiperefreshlayout:1.0.0 GO to .\node_modules\react-native-screens\android\build.gradel change the version of implementation 'androidx.swiperefreshlayout:swiperefreshlayout

问题 We're trying to connect to an API (.net core 2.2) from react-native (version 0.59), via localhost, both apparently running on the same ip, different ports, react-native on port 8080, and the api on the 44344, the issue happens the moment we fetch the url from react-native We’ve also tested running the url from Postman and everything seems ok, also from any of the web browser installed (safari/chrome), even we tested the browser INSIDE react-native iOS, and it works. Any api running outside

问题 We're trying to connect to an API (.net core 2.2) from react-native (version 0.59), via localhost, both apparently running on the same ip, different ports, react-native on port 8080, and the api on the 44344, the issue happens the moment we fetch the url from react-native We’ve also tested running the url from Postman and everything seems ok, also from any of the web browser installed (safari/chrome), even we tested the browser INSIDE react-native iOS, and it works. Any api running outside

问题 With the update react native to version 0.63 , new components have appeared. Can someone more experienced explain how the Pressable differs from the TouchableOpacity and when it is better to use them. 回答1: Pressable was a new introduction to RN 0.63, prior to that,Touchable Opacity was the most common used Component to wrap a component or simliar components. Both their basic functionalities are same, to make a text/image clickable and user interactive. But with Pressable you get to access a

问题 With the update react native to version 0.63 , new components have appeared. Can someone more experienced explain how the Pressable differs from the TouchableOpacity and when it is better to use them. 回答1: Pressable was a new introduction to RN 0.63, prior to that,Touchable Opacity was the most common used Component to wrap a component or simliar components. Both their basic functionalities are same, to make a text/image clickable and user interactive. But with Pressable you get to access a

问题 Error: unable to resolve "./safeAreaContext" from node-module/react-native-safe-area-context 来源： https://stackoverflow.com/questions/61995712/unable-to-resolve-safeareacontext-from-react-native-safe-area-context

问题 I current have a folder in my firebase storage that looks like this: enter image description here I am trying to map through a cloud firestore collection and rendering a screen with list items that have the corresponding info and the image. My document field include IDs that have 0 and 1 for example so I have an easier method of finding the images that I have on firebase storage folder. This is the code I'm using to render: renderAccordion() { return this.state.accordionarr.map((item,index) =

问题 I am facing a problem that I've tried to solve in lots of different ways, but I cannot get it to work. Please see this Expo application, I've created a dumb example that demonstrates my problem: https://snack.expo.io/HJB0sE4jS To summarize, I want to build an app with a draggable component (The blue dot in the example), but while the user drags the component I also need to update the state of the app (the counter in the example). The problem is that whenever the state updates during dragging,

问题 I am facing a problem that I've tried to solve in lots of different ways, but I cannot get it to work. Please see this Expo application, I've created a dumb example that demonstrates my problem: https://snack.expo.io/HJB0sE4jS To summarize, I want to build an app with a draggable component (The blue dot in the example), but while the user drags the component I also need to update the state of the app (the counter in the example). The problem is that whenever the state updates during dragging,