react-native-flatlist

来源： https://stackoverflow.com/questions/43507978/flatlist-numcolumns-doesnt-appear-to-be-working-correctly

来源： https://stackoverflow.com/questions/43507978/flatlist-numcolumns-doesnt-appear-to-be-working-correctly

来源： https://stackoverflow.com/questions/50621316/why-flatlist-is-not-updating-dynamically-in-react-native

来源： https://stackoverflow.com/questions/50621316/why-flatlist-is-not-updating-dynamically-in-react-native

来源： https://stackoverflow.com/questions/54693590/tabs-with-flatlists-inside-scrollview-like-instagram-or-twitter-profile-pages

来源： https://stackoverflow.com/questions/63593376/react-native-flatlist-listitem-called-many-times-after-initial-render

问题 I am developing react-native application. In that, We are showing some description on Text , It may be number of lines. So, If data has more than 3 lines, I have to show More and Less if it's expanded. <FlatList style={styles.faltList} showsVerticalScrollIndicator data={data} extraData={this.state} renderItem={({ item, index }) => ( <View style={styles.flatListCell}> <Text style={styles.description}>{item.description}</Text> </View> </View> ) } ItemSeparatorComponent={() => ( <View style={{

问题 I am developing react-native application. In that, We are showing some description on Text , It may be number of lines. So, If data has more than 3 lines, I have to show More and Less if it's expanded. <FlatList style={styles.faltList} showsVerticalScrollIndicator data={data} extraData={this.state} renderItem={({ item, index }) => ( <View style={styles.flatListCell}> <Text style={styles.description}>{item.description}</Text> </View> </View> ) } ItemSeparatorComponent={() => ( <View style={{

问题 i have a item named outcome with data = Won, Lost, Void or null coming from the server. Currently i render all of them. I want to reduce/render only the null in this FlatList/ListItems screen. Here the code: <FlatList data={this.state.doctorsList} keyExtractor={item => item.signal_id.toString()} renderItem={({item}) => <ListItem key={item.signal_id} imageUrl={this.checkSportIcon(item.sport) ? (images[(item.sport).toLowerCase()]) : (images.default)} itemTitle={item.league} careerText={item

问题 i have a item named outcome with data = Won, Lost, Void or null coming from the server. Currently i render all of them. I want to reduce/render only the null in this FlatList/ListItems screen. Here the code: <FlatList data={this.state.doctorsList} keyExtractor={item => item.signal_id.toString()} renderItem={({item}) => <ListItem key={item.signal_id} imageUrl={this.checkSportIcon(item.sport) ? (images[(item.sport).toLowerCase()]) : (images.default)} itemTitle={item.league} careerText={item