I want to assign the username I get from a TextInput to a username variable via a button and output it in the text below. Meaning, if the user enters the username nothing happens but when the button is clicked the entered username will be shown in the text. How can I achieve this? Answer You need to keep that
Tag: react-native
Reading multiple objects, in a single object, with in an array, with unique keys. into FlatList
I am trying to display this data in a FlatList. My data looks like this, its multiple objects in a single object within an array, and each object has multiple unique Ids how can I read the data. My FlatList code Here the problem is, FlatList is considering the main object and not the children, how can I acces…
How to pass React Native Component as a JSON object
I want to use react-native-intro-slider in my react native application to make the intro pages as a slider. I have already implemented the pages as react functional components (where I can import them and use, ex:- ). But it seems that react native slider takes an array of json objects as inputs. Ex:- Instead…
Pass JSON array to function in React as props and then count items in area
Apologies. Newbie here having problems with passing a JSON object into a function as props. I’m obviously doing something wrong but I’ve searched and other people’s posts seem more complex than mine. I want to pass an array which may have zero or more rows into a function and then I want to …
Avoid repeating params in stack navigation
I am building the auth part of the stack navigation for a react navigation app, and ended with something like thiss: Is there any way I can avoid adding the url initialParams everywhere and add it maybe to the stack group screen around? I tried to add it in the screenOptions prop in the stack group around, bu…
Why my array resets itself when I leave my function?
I come here after two whole days without success. I want to increment my array with the pictures selected by the User, for return to my database a list of uri. But when the user choosed the first picture and re-open the android navigator for take a new picture, I saw the array doesn’t increment. It take…
.push( ) is not updating the variable
I am trying to push the data that is set using setData function to datas[ ]. I am able to push the data once, but the 2nd time when I push it, instead of being stored at datas[1], it replaces datas[0]. What am I doing wrong here. Thank you in advance. Answer App is getting re-rendered whenever you change stat…
How to navigate errors showing after I run React Native app on Mac with command ‘react-native run-android’?
I run the app with the command “react-native run-android” and it worked. But after logging in the app with user login info, it shows black error screens and following is the error message. As seen in the error message, error is located at many places but I assume it’s not like that. What I a…
i am failing to access a func in my child component
the are about three more components between this one and the one i want it to function in, so i keep on passing it down as a prop till i get to the component i want. it is supposed to run when the user clicks a button but i get an error that this.props.route.params.ToggleFavorites is not a function please hel…
typescript is there a way to remove the array from an property?
I have this model: and then I have another model and I need the sizeAndColor but without a array. How can I say at options that I want to have this interface without the array? is that possible ? Answer Assuming that SizeAndColors really is declared as an array type where the elements are objects with size an…