How to populate datasource for listview using api response in react native?

How to populate datasource for listview using api response in react native?

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How to populate datasource for listview using api response in react native?
Tag : development , By : CrookedNumber
Date : January 12 2021, 08:33 AM

To fix this issue My Api returns me a response exactly like the const "devices" defined below. If i don't call the api, i am getting the listview properly populated with single row of data, but if i populate the datasource using Api response, i am getting empty 160 rows. , Try this:
dataSource: this.state.dataSource.cloneWithRows(JSON.parse(response.getB‌​odyString()))

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React Native: ListView renders before dataSource being set

Tag : javascript , By : Ben Kohn
Date : March 29 2020, 07:55 AM
it should still fix some issue You can use the componentWillMount-hook instead of the componentDidMount.
Using the first, sets it before the render. The latter fires after the component is rendered for the first time.
class Courses extends Component {
    /* ... */

    componentDidMount() {

        // Will fetch your data asynchronously


    // This hook gets the new props passed. Old props are
    // still available in this.props
    componentWillReceiveProps(newProps) {

        const courses = newProps.courses.courses[this.props.user]
            dataSource: this.state.dataSource.cloneWithRows(courses),
            dataLoaded: courses.length


    /* ... */

react native ListView datasource not updating

Tag : development , By : Mighty Mac
Date : March 29 2020, 07:55 AM
Any of those help So after a lot of reading and changes the listview is now updating. According to this post
Changes the ds declaration to:
this.ds = new ListView.DataSource({rowHasChanged: (row1, row2) => row1 !== row2});

           var newDs = [];
           newDs = this.state.todoListArray.slice();
           newDs[rowId].isCompleted =!newDs[rowId].isCompleted;

                  dataSource: this.ds.cloneWithRows(this.state.todoListArray),


React Native: ListView.DataSource is not updating

Tag : react-native , By : sep
Date : March 29 2020, 07:55 AM
around this issue In your code, you only set your dataSource in contructor of FormativeRevisionList, this mean FormativeRevisionList will only render the given movies when your first render it.
To render new list after you press Get Topics button , you need to set the dataSource again when it receive new props, this can be achieve by setting it in FormativeRevisionList componentWillReceiveProps
  componentWillReceiveProps(nextProps) {
    if (nextProps.movies !== this.props.movies) {
        dataSource: this.state.dataSource.cloneWithRows(nextProps.movies)

Can't update dataSource with ListView on React-Native

Tag : javascript , By : Mike
Date : March 29 2020, 07:55 AM
With these it helps Managed to fix it with one of the previous answers listed here with a slight tweak:
 _getCoinData() {
    getCryptocurrencyData().then(function(result) {

        const ds = new ListView.DataSource({rowHasChanged: (row1, row2) => row1 !== row2});
            dataSource: ds.cloneWithRows(result),
            jsonData: result

        console.log('!!!', this.state.jsonData);

React-native ListView DataSource not updating

Tag : node.js , By : DonMac
Date : March 29 2020, 07:55 AM
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