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Published 21 months ago • verified publisherjimmytai.devDart 3 compatible
SDKFlutter
Platformweb
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Metadata

A Flutter package which provider an ability to use LINE LIFF SDK.

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flutter_line_liff #

pub package

This Flutter plugin is developed for Flutter Web to provide ability to use LINE LIFF SDK.

- Only Support Web Platform

Usage #

To use this plugin, add flutter_line_liff as a dependency in your pubspec.yaml file.

Add Javascript LINE LIFF SDK #

Add Javascript dependency in index.html.

<head>
	<script  charset="utf-8"  src="https://static.line-scdn.net/liff/edge/versions/2.20.3/sdk.js"></script>
	<!-- your other html flags -->
</head>

Initialize LIFF SDK #

Initialize FlutterLineLiff in main function. Don't initial in Widget.

FlutterLineLiff().init(
	config: Config(liffId: '{YOUR_LIFF_ID}'),
	successCallback: () {},
	errorCallback: (error) {},
);

Wait SDK Ready #

You could use all methods in FlutterLineLiff after SDK initialized.

FlutterLineLiff().ready.then((_) {
	// SDK is ready now.
});

Get SDK and Account Information #

For all properties detail information, you could find it in LINE LIFF API Reference

// The property that holds the LIFF app ID passed to liff.init()
final String? id = FlutterLineLiff().id;

// Gets the environment in which the user is running the LIFF app.
final String? os = FlutterLineLiff().os;

// Gets the language settings of the environment in which the LIFF app is running.
final String language = FlutterLineLiff().language;

// Gets the version of the LIFF SDK.
final String version = FlutterLineLiff().version;

// Gets the user's LINE version.
final String? lineVersion = FlutterLineLiff().lineVersion;

// Gets the screen type 
// (1-on-1 chat, group chat, multi-person chat, or external browser) 
// from which the LIFF app is launched. 
// For 1-on-1 chats, group chats, and multi-person chats, you also get a unique ID.
final Context? context = FlutterLineLiff().context;

// Determines whether the LIFF app is running in a LIFF browser.
final bool isInClient = FlutterLineLiff().isInClient;

// Checks whether the user is logged in.
final bool isLoggedIn = FlutterLineLiff().isLoggedIn;

// Checks whether the specified API is available in the environment 
// where you started the LIFF app. 
//
// Specifically, it verifies whether the current LINE version 
// supports the API and whether the terms and conditions 
// for the API have been accepted.
// 
// Now [apiName] support: 'shareTargetPicker' | 'multipleLiffTransition'
final bool isApiAvailable = FlutterLineLiff().isApiAvailable(apiName: 'shareTargetPicker');

// Gets the current user's access token.
final String? accessToken = FlutterLineLiff().getAccessToken();

// Get the raw ID token of the current user obtained by the LIFF SDK. 
// An ID token is a JSON Web Token (JWT) that contains user data.
final String? idToken = FlutterLineLiff().getIDToken();

// Gets the payload of the ID token that's acquired by the LIFF SDK. 
// The payload includes information such as user display name, 
// profile image URL, email address, etc.
final JWTPayload? decodedIDToken = FlutterLineLiff().getDecodedIDToken();

Profile #

Gets the current user's profile information.

final Profile profile = await FlutterLineLiff().profile;

Friendship #

Gets the friendship status between a user and a LINE Official Account.

final Friendship friendship = await FlutterLineLiff().friendship;

Login #

Performs the login process in the LINE's in-app browser or external browser.

FlutterLineLiff().login();

FlutterLineLiff().login(
	config: LoginConfig(
		redirectUri: 'xxxxxxxxxx'
	),
);

Logout #

Logs out.

FlutterLineLiff().logout();

Permission #

  • Query

    Verifies whether the user agrees to grant the specified permission.

    final PermissionStatus status = FlutterLineLiff().permission.query(Permission.xxxx);

  • Request All

    Displays the "Verification screen" for the permissions requested by LINE MINI Apps.

    FlutterLineLiff().permission.requestAll();

Window #

  • Open Window

    Opens the specified URL in the LINE's in-app browser or external browser.

    FlutterLineLiff().openWindow(
	params: OpenWindowParams(
		url: 'xxxxxx',
		external: false,
	),
);

  • Close Window

    Closes the LIFF app.

    FlutterLineLiff().closeWindow();

Camera #

Launch the 2D code reader and obtain string. To activate the 2D code reader, turn on Scan QRon the LINE Developers Console.

final ScanCodeResult result = await FlutterLineLiff().scanCodeV2();

Message #

  • Send Messages

    Sends messages on behalf of the user to the chat screen where the LIFF app is opened. This feature is only available in a LIFF app launched from a one-on-one chat room.

    FlutterLineLiff().sendMessages(messages: [
	TextMessage(), 
	ImageMessage(),
	VideoMessage(),
	AudioMessage(),
	LocationMessage(),
	StickerMessage(),
	TemplateMessage(),
	FlexMessage(),
])

    sendCustomMessages could pass raw message Object to LIFF SDK.

    FlutterLineLiff().sendCustomMessages(
	messages: [
		{
			"type": "text",
			"text": "Hello, World!"
		}
	],
)

  • ShareTargetPicker

    Displays the target picker (screen for selecting a group or friend) and sends the message created by the developer to the selected target. This message appears to your group or friends as if you had sent it.

    final ShareTargetResult? result = await FlutterLineLiff().shareTargetPicker(
	messages: [
		const  TextMessage(
			text: 'Share Target Test',
		),
	],
);

  • Create URL

    // Get the permanent link of any page in the LIFF app.
final permanentUrl = await FlutterLineLiff().createUrlBy(url: '{Your url}')
  
// Gets the permanent link for the current page.
final permanentUrl = await FlutterLineLiff().createUrl();

  • Extra Query Parameters

    // You can add any query parameter to a permanent link on the current page.
// 
// Each time you execute  `liff.permanentLink.setExtraQueryParam()`, 
// the query parameters added last time are overwritten.
FlutterLineLiff().setExtraQueryParam(paramsToAdd: 'name1=value1&name2=value2');

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Publisher

verified publisherjimmytai.dev

Metadata

A Flutter package which provider an ability to use LINE LIFF SDK.

Repository

Documentation

API reference

License

BSD-3-Clause (LICENSE)

Dependencies

flutter, flutter_line_liff_platform_interface, flutter_line_liff_web

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