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Alert

This launches an alert dialog box, optionally providing a list of buttons.

Methodsalert()prompt() iOS Type DefinitionsAlertButtonStyle iOSAlertType iOSButtonsOptions

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import React, { useState } from "react";import { View, StyleSheet, Button, Alert } from "react-native";const App = () => {
  const createTwoButtonAlert = () =>
    Alert.alert(
      "Alert Title",
      "My Alert Msg",
      [{text: "Cancel",
         onPress: () => console.log("Cancel Pressed"),
         style: "cancel"},
        { text: "OK", onPress: () => console.log("OK Pressed") }]);
  const createThreeButtonAlert = () =>
    Alert.alert(
      "Alert Title",
      "My Alert Msg",
      [{text: "Ask me later",
         onPress: () => console.log("Ask me later pressed")},
        {text: "Cancel",
          onPress: () => console.log("Cancel Pressed"),
          style: "cancel"},
        { text: "OK", onPress: () => console.log("OK Pressed") }]);
  return (
    <View style={styles.container}>
      <Button title={"2-Button Alert"} onPress={createTwoButtonAlert} />
      <Button title={"3-Button Alert"} onPress={createThreeButtonAlert} />
    </View>
  );}const styles = StyleSheet.create({
  container: {
    flex: 1,
    justifyContent: "space-around",
    alignItems: "center"
  }});export default App;