Using the Go language to develop Android programs

This is a creation in Article, where the information may have evolved or changed.

Environment configuration

1. Install Go 1.5 or later, the specific installation steps are available on the official website Https://golang.org/doc/install

2. Installing Gomobile Https://godoc.org/golang.org/x/mobile/cmd/gomobile
   Execute the following command, you may need to flip the wall during installation

   go get -v golang.org/x/mobile/cmd/gomobilegomobile init -v

The following issues may occur during the installation process

1. Prompt unrecognized import path error, usually after turning over the wall can be resolved
2. Prompt import path does not begin with hostname error, if set GOROOT then cancel this setting
3. Prompt $GOPATH not set for errors, check for settings GOPATH and do not add when using commandssudo
4. Prompting a directory for missing permissions, authorizing the current usersudo chown -R <当前用户名> <提示的目录名>

Writing code

1. Create an Android project and write native code. Note: The targetsdkversion for Android Works cannot be 23.
2. Create the corresponding app package name under Gopath and write the GO code.

3. Create a new Gradle module under Android Engineering and modify the module's build.gradle file.

    plugins {ID "org.golang.mobile.bind" version "0.2.4"}gobind {//Go app package name pkg = "com. Bookislife/goandroid "//Gopath path, can be viewed by executing ' go env ' to view Gopath ="/users/sidney/gopath "//go binary file go ="/usr/loca L/cellar/go/1.5.3/bin/go "//gomobile binary file, default to ' Gopath/bin/gomobile ', if installed in other directories need to manually specify//Gomobile ="/users/sidne Y/gopath/bin/gomobile "}  

4. ensures that the Settings.gradle for Android app root target references this module.
5. compiles the go code, ./gradlew Gobind , and the AAR file containing the Native file is generated under the Go module created in step 3 when the compilation is complete.
6. normally uses the Native code in Android Engineering, and subsequent operations are the same as for normal applications.