DoneWithIt/StudentListView.js at master · alan4213/DoneWithIt · GitHub

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import React,{useState,useRef} from 'react';
 import UserAvatar from 'react-native-user-avatar';
import { Alert, View, StyleSheet, SafeAreaView, FlatList, Text,TextInput } from 'react-native';

export default function StudentListView({navigation}) {

  const data  = [
    {
      id: 1,
      name: "Jim Halpert",
    },
    {
      id: 2,
      name: 'Dwight Schrute',
    },
    {
      id: 3,
      name: 'Michael Scott',
    },
    {
      id: 4,
      name: 'Pam Beasley',
    },
    {
      id: 5,
      name: 'James Bond',
    },
    {
      id: 6,
      name: 'Chandler Bing',
    },
    {
      id: 7,
      name: 'Andy Bernard',
    },
    {
      id: 8,
      name: 'John Peter',
    },
    {
      id: 9,
      name: 'John Wick',
    },
    {
      id: 10,
      name: 'David Wallace',
    }
  ];
 const [dataFrom,setData]=useState(data);
  const getItem = (name) => {

    Alert.alert(name);

  }
  const item=({item})=>{
    return(
    <View >
    <Text style={{fontSize:34}}>{item.name}</Text>
    </View>);
  };

  const ItemRender = ({ name }) => (
    <View style={styleSheet.item}>
    <UserAvatar size={30}  name={name} style={{
width: 50,
height: 50,
borderRadius: 25,
overflow:'hidden'
}} />
      <Text style={styleSheet.itemText} onPress={() => navigation.navigate('ViewActivityPoints')} >{name}</Text>
    </View>
  );

  const ItemDivider = () => {
    return (
      <View
        style={{
          height: 1,
          width: "100%",
          backgroundColor: "#607D8B",
        }}
      />
    );
  }
 const searchName=(input)=>{
   let data=dataFrom;
   let searchdata=data.filter((item)=>{
     return item.name.toLowerCase().includes(input.toLowerCase());
 });setData(searchdata)

};
const searchNames=(input)=>{
  let data=dataFrom;
  let searchdata=data.filter((item)=>{
    return item.name.toLowerCase().includes(input.toLowerCase());
});setData(searchdata)

};
const  handleKeyPress = ({ nativeEvent: { key: keyValue } }) => {
  console.log(keyValue);
  if(keyValue === 'Backspace')
  {
    setData(data);
  }
};
  return (
    <SafeAreaView style={styleSheet.MainContainer}>
    <View style={{marginTop:50}}>
     <TextInput placeholder="Search name" onChangeText={(input)=>{
       searchName(input),searchNames(input);}
     } style={{fontSize:34}}
     onKeyPress={handleKeyPress}/></View>
      <FlatList
        data={dataFrom}
        renderItem={({ item }) => <ItemRender name={item.name} />}
        keyExtractor={(item,index) =>{index.toString(),item}}

        ItemSeparatorComponent={ItemDivider}
      />


    </SafeAreaView>
  );
}

const styleSheet = StyleSheet.create({


  MainContainer: {
    flex: 1,
    backgroundColor: 'white',


  },


  item: {
    padding: 20,
    marginTop: 5,

    fontSize: 15,
    flexDirection:"row"
  },


  itemText: {
    fontSize: 24,
    color: 'black',
    marginLeft:15,
    marginTop:10
  }

});