"Flutter plugin"

03 Apr 2020 - Tom McFarlin

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How to create a Flutter plugin that includes platform-specific Java / Objective-C code

setup main project

project=gsbridge
org=com.lamptom.$project
flutter create --org $org --template=plugin -i objc -a java $project

build iOS for first time

cd $project/example
flutter build ios --no-codesign

fix Xcode compatability

In Xcode, open $project/example/ios

Follow official docs

Install pods

cd ios
pod install

build Android for first time

Open main project dir in Android Studio

Open android/…/*Plugin.java

Click “edit in Android Studio” in top right

Run example app

implement platform-specific code

Follow official instructions. To show the ObjC/Java code, you may need to inspect the html, remove the “active” class on the Swift/Kotlin divs and add “active” to the ObjC/Java tabs. If so, run the following in the javascript console:

document.querySelector("#ios-channel-swift-tab").classList.remove("active");
document.querySelector("#ios-channel-objective-c-tab").classList.add("active");

install Gamesparks for Android

Follow GS SDK setup for Android. Add all gradle lines to /build.gradle not example/build.gradle or example/*/build.gradle.

In AndroidManifest make these updates:

<application ... tools:replace="android:icon,android:label">
...
<manifest ... xmlns:tools="http://schemas.android.com/tools">

Run

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