Hy! I’m a newbie in react native. Recently I developed an expo app that is working properly but there is an issue I’m facing with my login screen is that when I put username and password press login button on the first attempt when I console log the states in which data are set with AsyncStorage which help me to
Tag: react-state
Why can’t I use dot notation on React State?
I’m creating a flashcard app and I’m currently trying to set the front side of the flashcard to some text from an API. My state: deckWithCards is a deck of flashcards and it looks like: When I do deckWithCards.cards I get: If I was to have 4 cards in a deck, I’ll get an array with 4 of these objects
How to update a state when a prop changes, without rendering twice
I have a data visualization component that has “width” as one of the props. A state keeps track of the zoom level in the chart, and it is updated when handling mouse events. The zoom needs to adjust when the width changes. Currently, I’m doing this inside a useEffect hook: But this makes the component render twice: once for the
How do I stop state element being passed to child component before it is set?
I’m writing a weather forecast app with React. I’m fetching the data from openweathermap.org API. But to use that I need to know user’s location. So I use other API’s in sequence as well to identify user IP, location, and then weather data according to that location. At each fetching state I update the initial states with information fetched. For
React component state not updating with passed props
I have created an Accordion component which has data(object) and expanded(boolean) as props. expanded props is used to set the expanded/collapsed state of this component passed as a prop. Accordion component also has an internal state which is used for expanding/collapsing the accordion. Below is my complete component Accordion.jsx The parent component has a list of data and it loops
Send multiple props across components React
I am trying to send two variables from the Component ‘Game’ to the Component ‘App’ but I am unsure how to send more than one prop at a time. This what I have: With this I am able to send the prop ‘score’ from ‘Game’ to ‘App’ but I was wondering if it was possible to send more then just