gioui · g45t345rt · Aug 11, 2023 · Aug 12, 2023 · Aug 12, 2023 · Aug 12, 2023
diff --git a/app/GioView.java b/app/GioView.java
@@ -12,10 +12,12 @@
 import android.app.FragmentManager;
 import android.app.FragmentTransaction;
 import android.content.Context;
+import android.content.Intent;
 import android.graphics.Canvas;
 import android.graphics.Color;
 import android.graphics.Matrix;
 import android.graphics.Rect;
+import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;
@@ -80,7 +82,7 @@ public GioView(Context context, AttributeSet attrs) {
 			setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_LAYOUT_STABLE);
 		}
 		setLayoutParams(new WindowManager.LayoutParams(WindowManager.LayoutParams.MATCH_PARENT, WindowManager.LayoutParams.MATCH_PARENT));
-
+	
 		// Late initialization of the Go runtime to wait for a valid context.
 		Gio.init(context.getApplicationContext());
 
@@ -171,6 +173,12 @@ private void setCursor(int id) {
 		setPointerIcon(pointerIcon);
 	}
 
+	private void openURL(String url) {
+		Uri webpage = Uri.parse(url);
+		Intent intent = new Intent(Intent.ACTION_VIEW, webpage);
+		((Activity) this.getContext()).startActivity(intent);
+	}
+
 	private void setOrientation(int id, int fallback) {
 		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR2) {
 			id = fallback;

diff --git a/app/os.go b/app/os.go
@@ -167,6 +167,8 @@ type driver interface {
 	SetCursor(cursor pointer.Cursor)
 	// Wakeup wakes up the event loop and sends a WakeupEvent.
 	Wakeup()
+	// OpenUrl open explorer at a specific url location
+	OpenUrl(url string)
 	// Perform actions on the window.
 	Perform(system.Action)
 	// EditorStateChanged notifies the driver that the editor state changed.

diff --git a/app/os_android.go b/app/os_android.go
@@ -193,6 +193,7 @@ var gioView struct {
 	restartInput       C.jmethodID
 	updateSelection    C.jmethodID
 	updateCaret        C.jmethodID
+	openURL            C.jmethodID
 }
 
 type pixelInsets struct {
@@ -482,6 +483,7 @@ func Java_org_gioui_GioView_onCreateView(env *C.JNIEnv, class C.jclass, view C.j
 		m.restartInput = getMethodID(env, class, "restartInput", "()V")
 		m.updateSelection = getMethodID(env, class, "updateSelection", "()V")
 		m.updateCaret = getMethodID(env, class, "updateCaret", "(FFFFFFFFFF)V")
+		m.openURL = getMethodID(env, class, "openURL", "(Ljava/lang/String;)V")
 	})
 	view = C.jni_NewGlobalRef(env, view)
 	wopts := <-mainWindow.out
@@ -1361,6 +1363,13 @@ func (w *window) SetCursor(cursor pointer.Cursor) {
 	})
 }
 
+func (w *window) OpenUrl(url string) {
+	runInJVM(javaVM(), func(env *C.JNIEnv) {
+		str := javaString(env, url)
+		callVoidMethod(env, w.view, gioView.openURL, jvalue(str))
+	})
+}
+
 func (w *window) Wakeup() {
 	runOnMain(func(env *C.JNIEnv) {
 		w.callbacks.Event(wakeupEvent{})

diff --git a/app/os_ios.go b/app/os_ios.go
@@ -29,6 +29,15 @@ static void writeClipboard(unichar *chars, NSUInteger length) {
 	}
 }
 
+static void openURL(CFTypeRef str) {
+	@autoreleasepool {
+		NSString *s = (__bridge NSString *)str;
+    NSURL *url = [NSURL URLWithString:s];
+    UIApplication *application = [UIApplication sharedApplication];
+    [application openURL:url options:@{} completionHandler:nil];
+	}
+}
+
 static CFTypeRef readClipboard(void) {
 	@autoreleasepool {
 		UIPasteboard *p = UIPasteboard.generalPasteboard;
@@ -303,6 +312,12 @@ func (w *window) SetCursor(cursor pointer.Cursor) {
 	w.cursor = windowSetCursor(w.cursor, cursor)
 }
 
+func (w *window) OpenUrl(url string) {
+	cstr := stringToNSString(url)
+	defer C.CFRelease(cstr)
+	C.openURL(cstr)
+}
+
 func (w *window) onKeyCommand(name string) {
 	w.w.Event(key.Event{
 		Name: name,

diff --git a/app/os_js.go b/app/os_js.go
@@ -607,6 +607,10 @@ func (w *window) SetCursor(cursor pointer.Cursor) {
 	style.Set("cursor", webCursor[cursor])
 }
 
+func (w *window) OpenUrl(url string) {
+	js.Global().Call("open", url, "_blank", "")
+}
+
 func (w *window) Wakeup() {
 	select {
 	case w.wakeups <- struct{}{}:

diff --git a/app/os_macos.go b/app/os_macos.go
@@ -8,6 +8,7 @@ package app
 import (
 	"errors"
 	"image"
+	"os/exec"
 	"runtime"
 	"time"
 	"unicode"
@@ -443,6 +444,11 @@ func (w *window) SetCursor(cursor pointer.Cursor) {
 	w.cursor = windowSetCursor(w.cursor, cursor)
 }
 
+func (w *window) OpenUrl(url string) {
+	cmd := exec.Command("open", url)
+	cmd.Run()
+}
+
 func (w *window) EditorStateChanged(old, new editorState) {
 	if old.Selection.Range != new.Selection.Range || old.Snippet != new.Snippet {
 		C.discardMarkedText(w.view)

diff --git a/app/os_unix.go b/app/os_unix.go
@@ -7,6 +7,7 @@ package app
 
 import (
 	"errors"
+	"os/exec"
 	"unsafe"
 
 	"gioui.org/io/pointer"
@@ -98,3 +99,8 @@ var xCursor = [...]string{
 	pointer.CursorNorthEastSouthWestResize: "fd_double_arrow",
 	pointer.CursorNorthWestSouthEastResize: "bd_double_arrow",
 }
+
+func (w *window) OpenUrl(url string) {
+	cmd := exec.Command("xdg-open", url)
+	cmd.Run()
+}
diff --git a/app/os_windows.go b/app/os_windows.go
@@ -6,6 +6,7 @@ import (
 	"errors"
 	"fmt"
 	"image"
+	"os/exec"
 	"runtime"
 	"sort"
 	"strings"
@@ -768,6 +769,11 @@ func (w *window) SetCursor(cursor pointer.Cursor) {
 	}
 }
 
+func (w *window) OpenUrl(url string) {
+	cmd := exec.Command("cmd", "/c", "start", url)
+	cmd.Run()
+}
+
 // windowsCursor contains mapping from pointer.Cursor to an IDC.
 var windowsCursor = [...]uint16{
 	pointer.CursorDefault:                  windows.IDC_ARROW,

diff --git a/app/permission/networkstate/main.go b/app/permission/networkstate/main.go
@@ -7,6 +7,7 @@ Package networkstate implements permissions to access network connectivity infor
 
 The following entries will be added to AndroidManifest.xml:
 
+	<uses-permission android:name="android.permission.INTERNET" />
 	<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
 */
 package networkstate
diff --git a/app/window.go b/app/window.go
@@ -301,6 +301,12 @@ func (w *Window) frame(frame *op.Ops, viewport image.Point) error {
 	return w.gpu.Frame(frame, target, viewport)
 }
 
+func (w *Window) OpenUrl(url string) {
+	w.driverDefer(func(d driver) {
+		d.OpenUrl(url)
+	})
+}
+
 func (w *Window) processFrame(d driver, frameStart time.Time) {
 	for k := range w.semantic.ids {
 		delete(w.semantic.ids, k)