webapp/src/screens/TaskListScreen.tsx

import React from 'react';
import { View, FlatList, StyleSheet } from 'react-native';
import { useNavigation } from '@react-navigation/native';
import { StackNavigationProp } from '@react-navigation/stack';
import { useTasks } from '../context/TasksContext';
import TaskCard from '../components/TaskCard';

type RootStackParamList = {
  TaskList: undefined;
  TaskEdit: { task: Task };
};

type TaskListNavigationProp = StackNavigationProp<RootStackParamList, 'TaskList'>;

export default function TaskListScreen() {
  const { tasks } = useTasks();
  const navigation = useNavigation<TaskListNavigationProp>();

  const handlePressTask = (task: Task) => {
    navigation.navigate('TaskEdit', { task });
  };

  return (
    <View style={styles.container}>
      <FlatList
        data={tasks}
        renderItem={({ item }) => <TaskCard task={item} onPress={() => handlePressTask(item)} />}
        keyExtractor={item => item.id}
        numColumns={2}
        contentContainerStyle={styles.list}
      />
    </View>
  );
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
  },
  list: {
      paddingHorizontal: 8,
  }});