Possibility of using Go in Android

Developing with Go in Android has advantages, including high performance, concurrency, and cross-platform compatibility. Practical examples show that creating Android apps with Go is as simple as creating a project, creating a main activity and building the app, easily unlocking the power of cross-platform development.

The Journey of Go on Android: Unlocking the Power of Cross-Platform Development

Introduction

Go, a multi-purpose programming language developed by Google, has become all the rage in the mobile development field in recent years. It is known for its high performance, ease of learning, and cross-platform compatibility. In this article, we will explore the possibilities of using Go in Android development and demonstrate its advantages through practical examples.

Advantages of Go

• High performance: Go is a compiled language that produces efficient binaries, resulting in Better performance.
• Concurrency: Go’s coroutine model supports efficient concurrent programming, making it ideal for multi-threaded tasks on mobile devices.
• Cross-platform: Go is a truly cross-platform language, which means code written in it can run on Android, iOS, and other operating systems.

Practical case: Creating an Android application

In order to demonstrate the practical application of Go in Android development, we create a simple "Hello World" application.

1. Create a project

Create a new project using Go modules:

go mod init myapp

2. Create a main activity

Create activity_main.go file in myapp package:

package myapp

import (
    "context"
    "fmt"

    "github.com/toukii/goutils/android"
)

func init() {
    android.RegisterActivity(MainActivity{})
}

type MainActivity struct {
    android.Activity
}

func (a MainActivity) OnCreate(ctx context.Context) error {
    fmt.Println("Hello, World!")
    return nil
}

3. Build the application

Use Go command to build the APK file:

go build -o myapp.apk

4. Install and run the app

Copy the built APK file to an Android device or emulator, then install and run the app.

Conclusion

Through this simple case, we showed how easy it is to develop Android applications using Go. Go’s high performance, concurrency, and cross-platform advantages make it an excellent choice for Android development. As the Android ecosystem grows, Go is expected to play an increasingly important role in mobile development.

(Translator’s Note: The original version of this article was published in Hacker Noon and translated with permission from the author.)

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