权限控制实现中

network/AndroidManifest.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        package="me.myschools.fyne.network"
+        android:versionCode="1"
+        android:versionName="1.0">
+
+        <application android:label="FyneNetwork" android:debuggable="true">
+
+        <uses-permission android:name="android.permission.INTERNET" />
+
+        <activity android:name="org.golang.app.GoNativeActivity"
+                android:label="FyneNetwork"
+                android:configChanges="orientation|keyboardHidden">
+                <meta-data android:name="android.app.lib_name" android:value="FyneNetwork" />
+                <intent-filter>
+                        <action android:name="android.intent.action.MAIN" />
+                        <category android:name="android.intent.category.LAUNCHER" />
+                </intent-filter>
+        </activity>
+        </application>
+</manifest>

network/FyneApp.toml

@@ -0,0 +1,8 @@
+Website = "http://www.myschools.me"
+
+[Details]
+  Icon = "/home/suguo/project/fyne-demo/Icon.png"
+  Name = "FyneNetwork"
+  ID = "me.myschools.fyne.network"
+  Version = "1.0.0"
+  Build = 4

network/main.go

@@ -0,0 +1,43 @@
+package main
+
+import (
+	"io/ioutil"
+	"log"
+	"net/http"
+
+	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/app"
+	"fyne.io/fyne/v2/container"
+	"fyne.io/fyne/v2/widget"
+)
+
+func main() {
+	a := app.New()
+	w := a.NewWindow("Hello")
+
+	hello := widget.NewLabel("Hello Fyne!")
+	w.SetContent(container.NewVBox(
+		hello,
+		widget.NewButton("Hi!", func() {
+			go httpGetData(w)
+		}),
+	))
+
+	w.ShowAndRun()
+}
+
+func httpGetData(win fyne.Window) {
+	resp, err := http.Get("http://date.jsontest.com/")
+	if err != nil {
+		log.Println("%v", err)
+	}
+	defer resp.Body.Close()
+	bodyBytes, _ := ioutil.ReadAll(resp.Body)
+	startScreen(win, string(bodyBytes))
+}
+
+func startScreen(win fyne.Window, data string) {
+	l := widget.NewLabel("data" + data)
+	win.SetContent(l)
+
+}