Tuesday, 17 May 2022

ReactiNative ListView

import { StatusBar } from 'expo-status-bar';
import { useState } from 'react';
import { Button, StyleSheet, Text, View,TextInput,ScrollView, } from 'react-native';

export default function App() {
  const [enteredGoalText, setEnteredGoalText] = useState('');
  const [courseGoals,setCourseGoals] = useState([]);

  function goalInputHandler(enterdText){
    setEnteredGoalText(enterdText);
  };

  function goalAddHandler(){
    setCourseGoals(currentCourseGoal => [
              ...currentCourseGoal,
              enteredGoalText,
            ]);
  };


  return (
    <View style={styles.appContainer}>
        <View style={styles.inputContainer}>
          <TextInput style={styles.textInput}
                     placeholder="Your course is here"
                     onChangeText={goalInputHandler} />
         
          <Button title='Sumbit' onPress={goalAddHandler}/>

        </View>
        <View style={styles.goalsContainer}>
          <ScrollView alwaysBounceVertical={false}>
                  {courseGoals.map((goal)=>
                      <View  key={goal} style={styles.goalItem}>
                        <Text style={styles.goleText}>{goal}</Text>
                      </View>
                    )}
          </ScrollView>
        </View>
    </View>
  );
}

const styles = StyleSheet.create({
    appContainer:{
      flex:1,
      paddingTop:20,
      paddingHorizontal:16,
    },
    inputContainer:{
      flex:1,
      flexDirection:'row',
      justifyContent:'space',
      alignItems:'center',
      padding:24,
      borderBottomWidth:1,
      borderBottomColor:'#cccccc',
      borderPaddingLef:24
    },
    textInput:{
      borderWidth:2,
      borderColor:'#cccccc',
      width:'70%',
      marginRight:8,
      padding:8,
    },
    goalsContainer:{
        flex:4
    },
    goalItem:{
      margin:8,
      padding:8,
      borderRadius:6,
      backgroundColor:'#5e0acc',
      color:'white',
    },
    goleText:{
        color:'white',
    },
    listTxt:{
      paddingLeft:24,
      paddingTop:10
    }
});

No comments:

Post a Comment

Kotlin - Observer

 Rxjava -  Observer - Based on data view willl render (react) karega. trotling -> making stream for execution (Means clicks event fire kr...