Yes, call cloneWithRows(…) The React Native documentation doesn’t cover the ListViewDataSource object, so it can be helpful to read the comments in the source code to see how this works. Some notes which may be helpful: cloneWithRows(data) is a bit misleadingly named because doesn’t just create a clone of the data as the name suggests. … Read more
The answer is to add the horizontal property set to true. Yeah now it’s described in the doc: https://reactnative.dev/docs/flatlist#horizontal So obviously a FlatList is a Child of a ScrollView so he got the Horizontal Bool. <FlatList horizontal={true} data={DATA} renderItem={renderItem} keyExtractor={(item) => item.id} extraData={selectedId} /> Ciao
This is the trick: render() { return ( <Image style={{ flex: 1, height: undefined, width: undefined }} source={require(“../../resource/image/bg_splash.jpg”)} resizeMode=”contain” /> ); }
The problem here lies within the fact that You are mutating an existing slice of state instead of creating a mutated copy _onCategoryChosen = category => { var oldReportCopy = this.state.report; // This does not create a copy! oldReportCopy.selectedCategory = category; this.setState(Object.assign({}, this.state, { report: oldReportCopy })); }; This should be _onCategoryChosen = category => … Read more