Flutter - Cotter

Blog Dashboard Get help on Slack 👋

Search…

0.1.0

Getting Started

Features & Concepts

📌

Quickstart Guides

All Guides & Tutorials

HTML – Sign in with Email/Phone

React – Sign in with Email/Phone

React – WebAuthn

Python SDK for a CLI

React Native – Sign in with Device

iOS – Sign in with Device

Flutter – Sign in with Device

📘

SDK Reference

Sign In with Device

Sign in with Email/Phone Number

Getting the Logged-in User

Getting OAuth Tokens

Signing a User Out

Python (for CLI)

API for Other Mobile Apps or CLI

Backend: Handling Response

🛡️ Protecting Your Account

Only Allow Your Website/App to Use Your API Key

Enable reCAPTCHA to Protect Against Automated Abuse

🗝️ Getting Access Token

Cotter's OAuth 2.0 Tokens Specification

Getting the Tokens

Storing and Removing Tokens

Renewing Expired Tokens

Verifying JWT Tokens

Requesting Custom Fields on your JWT Token

🔌

API Reference

OAuth Tokens API

OAuth Tokens from Social Login

Older API

Validating Cotter's Identity Token

Validating Cotter's Event Response

Powered By GitBook

Flutter

The easiest way to add Passwordless Login and Email/Phone Number Verification to your Flutter app.

Installation
Add Cotter to your pubspec.yaml , then run flutter pub get.
dependencies:
  cotter:
Check the latest releases in pub.dev. You may need to restart your flutter for it to run pod install (stop flutter run and re run it).
For Android:
Update the minSdkVersion inside android/app/build.gradle to 18:
defaultConfig {
    // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
    applicationId "com.example.example"
    minSdkVersion 18   // 👈 Update this line
    targetSdkVersion 28
    versionCode flutterVersionCode.toInteger()
    versionName flutterVersionName
}
Complete Guides
Sign in with Device
Allow users to login automatically from a device that they trust.
Sign In with Device
Sign in with Email/Phone Number
Authenticate users by sending a Magic Link or OTP via email, SMS, or WhatsApp.
Sign in with Email/Phone Number
Quickstart Guides
Flutter – Sign in with Device
​
​

Sign In with Device

Last modified 2yr ago

Copy link

Outline

Installation

Complete Guides

Quickstart Guides