react-native-dialog

react-native-dialog

A flexible pure JavaScript React-Native dialog that follows closely the native UI guidelines.

Features

• Support for iOS and Android (JavaScript API)
• A flexible declarative API
• Follows closely the UI of native dialogs/alerts
• Can be used both as an alert and as an input prompt
• Can be injected with any component
• Supports light/dark mode

Demo

Setup

Install the library using npm or yarn:

# Using npm:
$ npm install react-native-dialog
# Using yarn:
$ yarn add react-native-dialog

Usage

React-native-dialog exposes a set of components that can be used to build the UI of the dialog:

• Dialog.Container: This component is the root component of the dialog and all the other components should be nested inside it.
• Dialog.Title: A Text component styled as a native dialog title.
• Dialog.Description: A Text component styled as a native dialog description.
• Dialog.Button: A component styled as a native dialog button.
• Dialog.Input: A TextInput component styled as a native dialog input.
• Dialog.CodeInput: A TextInput component styled as one time code input.
• Dialog.Switch: A native Switch component with an optional label.

1. Import react-native-dialog:

import Dialog from "react-native-dialog";

1. Create a dialog and nest its content inside of it:

return (
  <View>
    <Dialog.Container>
      <Dialog.Title>Account delete</Dialog.Title>
      <Dialog.Description>
        Do you want to delete this account? You cannot undo this action.
      </Dialog.Description>
      <Dialog.Button label="Cancel" />
      <Dialog.Button label="Delete" />
    </Dialog.Container>
  </View>
);

1. Then simply show it by setting the visible prop to true:

return (
  <View>
    <Dialog.Container visible={true}>
      <Dialog.Title>Account delete</Dialog.Title>
      <Dialog.Description>
        Do you want to delete this account? You cannot undo this action.
      </Dialog.Description>
      <Dialog.Button label="Cancel" />
      <Dialog.Button label="Delete" />
    </Dialog.Container>
  </View>
);

The visible prop is the only prop you'll really need to make the dialog work: you should control this prop value by saving it in your state and setting it to true or false when needed.

A complete example

The following example consists in a component (DialogTester) with a button and a dialog. The dialog is controlled by the dialogVisible state variable and it is initially hidden since its value is false. Pressing the button sets dialogVisible to true, making the dialog visible. Inside the dialog there are two buttons that, when pressed, set dialogVisible to false, hiding the dialog.

import React, { useState } from "react";
import { Button, StyleSheet, View } from "react-native";
import Dialog from "react-native-dialog";

export default function App() {
  const [visible, setVisible] = useState(false);

  const showDialog = () => {
    setVisible(true);
  };

  const handleCancel = () => {
    setVisible(false);
  };

  const handleDelete = () => {
    // The user has pressed the "Delete" button, so here you can do your own logic.
    // ...Your logic
    setVisible(false);
  };

  return (
    <View style={styles.container}>
      <Button title="Show dialog" onPress={showDialog} />
      <Dialog.Container visible={visible}>
        <Dialog.Title>Account delete</Dialog.Title>
        <Dialog.Description>
          Do you want to delete this account? You cannot undo this action.
        </Dialog.Description>
        <Dialog.Button label="Cancel" onPress={handleCancel} />
        <Dialog.Button label="Delete" onPress={handleDelete} />
      </Dialog.Container>
    </View>
  );
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    backgroundColor: "#fff",
    alignItems: "center",
    justifyContent: "center",
  },
});

Available props

Dialog.Button props

Name	Type	Default	Description
label	string	REQUIRED	The label text
color	string	#007ff9 on iOS, #169689 on Android	The label color
bold	bool	false	Show the label with a bold font weight?
disabled	bool	false	Disable the button?
onPress	func	REQUIRED	Called when the button is pressed

Dialog.Description props

Name	Type	Default	Description
children	string	REQUIRED	The description text

Dialog.Container props

Name	Type	Default	Description
blurComponentIOS	node	A low-opacity	The blur component used in iOS
visible	bool	REQUIRED	Show the dialog?
children	node	REQUIRED	The dialog content
contentStyle	any	undefined	Extra style applied to the dialog content
headerStyle	any	undefined	Extra style applied to the dialog header
footerStyle	any	undefined	Extra style applied to the dialog footer
buttonSeparatorStyle	any	undefined	Extra style applied to the dialog button separator
onBackdropPress	func	undefined	Callback invoked when the backdrop is pressed
onRequestClose	func	undefined	Callback invoked when the hardware back button on Android or the menu button on Apple TV is pressed
keyboardVerticalOffset	number	undefined	keyboardVerticalOffset for iOS
verticalButtons	bool	false	Renders button vertically
useNativeDriver	bool	false	Defines if animations should use native driver

Dialog.Input props

Name	Type	Default	Description
label	string	undefined	The input floating label
wrapperStyle	any	undefined	The style applied to the input wrapper View
textInputRef	ref	undefined	Ref to the input
unstableLabelStyle	any	undefined	Likely to be removed in a future version. See issue #141 for discussion

Dialog.Input also accepts all the React-Native's TextInput component props.

Dialog.CodeInput props

Name	Type	Default	Description
wrapperStyle	any	undefined	The style applied to the input wrapper View
digitContainerStyle	any	undefined	The style applied to the digit container View
digitContainerFocusedStyle	any	undefined	The style applied to the digit container View when in focus
digitStyle	any	undefined	The style applied to the digit text
codeLength	number	4	The total number of digits
onCodeChange	func	undefined	Called when the input changed

Dialog.CodeInput also accepts all the React-Native's TextInput component props.

Dialog.Title props

Name	Type	Default	Description
children	string	REQUIRED	The title text

Dialog.Title also accepts all the React-Native's Text component props.

Dialog.Switch props

Name	Type	Default	Description
label	string	undefined	The switch description text
unstableLabelStyle	any	undefined	Likely to be removed in a future version. See issue #141 for discussion

Dialog.Switch also accepts all the React-Native's Switch component props.

Frequently Asked Questions

How can I use a custom blur component as the dialog background on iOS?

To achieve a look even closer to the native iOS dialog you can provide your own component in the blurComponentIOS prop of a Dialog.Container and it will be injected in the dialog to be used as a background. The blurComponentIOS can be useful for example if you want to apply a native blur effect to the dialog. Here is an example using react-native-blur:

const blurComponentIOS = (
  <BlurView style={StyleSheet.absoluteFill} blurType="xlight" blurAmount={50} />
);
return (
  <View style={styles.container}>
    <Dialog.Container visible={visible} blurComponentIOS={blurComponentIOS}>
      <Dialog.Title>Account delete</Dialog.Title>
      <Dialog.Description>
        Do you want to delete this account? You cannot undo this action.
      </Dialog.Description>
      <Dialog.Button label="Cancel" onPress={handleCancel} />
      <Dialog.Button label="Delete" onPress={handleConfirm} />
    </Dialog.Container>
  </View>
);

How can I add a 'tap outside dialog' callback?

react-native-dialog uses a thin abstraction on top of the React-Native's modal component. Any properties you add to Dialog.Container are mapped through to the modal. The modal has an onBackdropPress property that can be used to register clicks on the backdrop.

Below is an example of how you can close the dialog by tapping outside.

const [visible, setVisible] = useState(true);

const handleCancel = () => {
  setVisible(false);
};

return (
  <Dialog.Container visible={visible} onBackdropPress={handleCancel}>
    <Dialog.Title>Title</Dialog.Title>
    <Dialog.Button label="Cancel" onPress={handleCancel} />
  </Dialog.Container>
);

Acknowledgments

Thanks to the user @honaf who has kindly offered the react-native-dialog namespace. Also thanks to the user @leecade who offered the namespace react-native-alert (which has not been used since "Dialog" seems to suit better this component) and to @tyxou for the entire codebase refactoring to hooks.