Want to write a simple Anroid VPN app with reverse binding. I did a quick
test based on the reverse example.
So I make an attempt for try as (main change in bold) :
---------------------------------------
package reverse
import (
"Java/android/databinding/DataBindingUtil"
"Java/android/os"
* "Java/android/net/VpnService"*
* gonet "Java/android/net"*
* gointent "Java/android/content/Intent"*
"Java/android/support/v7/app"
gopkg "Java/reverse"
rlayout "Java/reverse/R/layout"
"Java/reverse/databinding"
"Java/reverse/databinding/ActivityMainBinding"
)
type MainActivity struct {
app.AppCompatActivity
binding databinding.ActivityMainBinding
}
func (a *MainActivity) OnCreate(this gopkg.MainActivity, b os.Bundle) {
this.Super().OnCreate(b)
db := DataBindingUtil.SetContentView(this, rlayout.Activity_main)
a.binding = ActivityMainBinding.Cast(db)
a.binding.SetAct(this)
* VpnService.Prepare(this)*
* a.StartService(gointent.New(this, gonet.VpnService))*
}
func (a *MainActivity) OnDestroy(this gopkg.MainActivity) {
a.binding = nil // break reference cycle
this.Super().OnDestroy()
}
func (a *MainActivity) GetLabel() string {
return "Hello from Go!"
}
------------------
main change is VpnService.Prepare(this) and
a.StartService(gointent.New(this, gonet.VpnService)), which comes from
ToyVPN:
>
> startService(getServiceIntent().setAction(ToyVpnService.ACTION_DISCONNECT));
> private Intent getServiceIntent() {
> return new Intent(this, ToyVpnService.class);
> }
The compiling output is:
> ..\reverse\reverse.go:34:29: type net.VpnService is not an expression.
Change to a.StartService(gointent.New(this, gonet.VpnService.Class)) also
doesn't help
For reverse binding, I mainly refer to #16876
<https://github.com/golang/go/issues/16876>
Thanks
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