Go Mobile
Smile Egbai
Android developer @Paylater.ng
Background
-
Mobile support was frequently requested
- Some users built their own Go binaries for Android with cgo + external linking through NDK tool chains
- Examples (Perkeep android app & Goandroid+Mandala )
why?
- Complete Go system (server/client)
- Write a single cross-platform Go library
Native
- Write the whole app in Go
- Use Go packages for graphics, event handling, audio, etc.
SDK Apps
- Write Android UI in kotlin/java, iOS UI in Objective-C/Swift
- Write common functionality in Go as a library
Go native (golang.org/x/mobile/)
- App control
- Asset management
- Open gl
- Events
- Screen geometry
SDK
go get golang.org/x/mobile/cmd/gobind
Bind basics
const DEBIT = "debit"
type Sms struct {
/.../
}
func IsAccountAlert(value string) bool {
/.../
return alert
}
func IsDebit(body string) bool {
return s.Contains(body, DEBIT)
}
func TagCategory(body string) string {
/.../
return ""
}
public static final String DEBIT = "debit";
public static native double getAmount(String body);
public static native String getCurrency(String body);
public static native String getDate(String body);
public static native boolean isAccountAlert(String value);
public static native boolean isDebit(String body);
public static native String tagCategory(String body);gomobile bind -target=android|ios
result -> xyz.framework || xyz.aar
Result
THANKS
REFERENCES
- GopherCon 2015 HanaKim
- https://github.com/golang/go/wiki/Mobile