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@nativescript/flutter ​

Use Flutter with NativeScript projects by creating a Flutter module in the root of your project.

Usage ​


1. Add Flutter to a NativeScript app ​

You can use Flutter in any existing NativeScript app or by creating a new one with ns create.

We can then create a Flutter module at the root of the project directory:

flutter create --template module flutter_views

Note: You can run flutter run --debug or flutter build ios from inside this flutter_views folder as any normal Flutter project to develop it.

Learn more from the Flutter documentation here.

2. Configure your Dart code to have named entry points ​

Named entry points allow us to use different Flutter views in our NativeScript app by matching the entry point with the view id, for example: <Flutter id="myFlutterView" />

  • main.dart
void myFlutterView() => runApp(const MyFlutterView());

3. Configure platforms for usage ​

iOS ​

App_Resources/iOS/Podfile should contain the following to reference our Flutter module.

platform :ios, '14.0'

flutter_application_path = '../../flutter_views'
load File.join(flutter_application_path, '.ios', 'Flutter', 'podhelper.rb')

post_install do |installer|
    flutter_post_install(installer) if defined?(flutter_post_install)

Add Flutter debug permissions to App_Resources/iOS/Info.plist:

<string>Allow Flutter tools to debug your views.</string>

Android ​

App_Resources/Android/app.gradle should contain the following:

android {
  // ...

  defaultConfig {
    // ...

    // Add this section:
    ndk {
      // Filter for architectures supported by Flutter.
      abiFilters 'armeabi-v7a', 'arm64-v8a', 'x86_64'

App_Resources/Android/settings.gradle (create file if needed) should contain the following:

def flutterProjectRoot = rootProject.projectDir.parentFile.toPath()

def plugins = new Properties()
def pluginsFile = new File(flutterProjectRoot.toFile(), '.flutter-plugins')
if (pluginsFile.exists()) {
    pluginsFile.withReader('UTF-8') { reader -> plugins.load(reader) }

plugins.each { name, path ->
  def pluginDirectory = flutterProjectRoot.resolve(path).resolve('android').toFile()
  include ":$name"
  project(":$name").projectDir = pluginDirectory

setBinding(new Binding([gradle: this]))
evaluate(new File(
  // use the flutter module folder name you created here.
  // for example, a flutter module called 'flutter_views' exist at root of project

Build the module anytime you want to see your Dart changes reflected in NativeScript:

cd flutter_views/.android

# This will build debug mode
./gradlew Flutter:assemble

# This will build release mode
./gradlew Flutter:assembleRelease

4. Install @nativescript/flutter ​

npm install @nativescript/flutter

5. Use Flutter wherever desired ​

Be sure to initialize the Flutter engine before bootstrapping your app, typically in app.ts or main.ts:

import { init } from '@nativescript/flutter'

// bootstrap app...

When using flavors, you can just register the element for usage in your markup:

import { Flutter } from '@nativescript/flutter'

// Angular
import { registerElement } from '@nativescript/angular'
registerElement('Flutter', () => Flutter)

// Solid
import { registerElement } from 'dominative'
registerElement('flutter', Flutter)

// Svelte
import { registerNativeViewElement } from 'svelte-native/dom'
registerNativeViewElement('flutter', () => Flutter)

// React
import { registerElement } from 'react-nativescript'
registerElement('flutter', () => Flutter)

// Vue
import Vue from 'nativescript-vue'
Vue.registerElement('Flutter', () => Flutter)

Use Flutter anywhere.

<Flutter id="myFlutterView"></Flutter>

Troubleshooting ​

Common troubleshooting tips:

Android ​

Before running Android, you will want to build the flutter module first. Otherwise you may see this error:

Transform's input file does not exist: flutter_views/.android/Flutter/build/intermediates/flutter/debug/libs.jar

You can fix by running the following:

cd flutter_views/.android

# This will build debug mode
./gradlew Flutter:assemble

# This will build release mode
./gradlew Flutter:assembleRelease

License ​

Apache License Version 2.0