Option to create desktop shortcut; close on launch

lib/apk_installer.dart

@@ -13,6 +13,7 @@ import 'package:shared_value/shared_value.dart';
 import 'package:wsa_pacman/android/permissions.dart';
 import 'package:wsa_pacman/global_state.dart';
 import 'package:wsa_pacman/main.dart';
+import 'package:wsa_pacman/windows/win_io.dart';
 import 'package:wsa_pacman/widget/adaptive_icon.dart';
 import 'package:wsa_pacman/widget/flexible_info_bar.dart';
 import 'package:wsa_pacman/widget/move_window_nomax.dart';
@@ -24,6 +25,7 @@ import 'package:flutter/services.dart';
 
 import 'package:provider/provider.dart';
 import 'package:bitsdojo_window/bitsdojo_window.dart';
+import 'package:wsa_pacman/windows/win_path.dart';
 
 import 'dart:developer';
 import 'theme.dart';
@@ -372,6 +374,14 @@ class ProcessData {
 class ApkInstaller extends StatefulWidget {
   const ApkInstaller({Key? key}) : super(key: key);
 
+  static void createLaunchIcon(String package, String appName) {
+    WinIO.createShortcut(
+      r"%LOCALAPPDATA%\Microsoft\WindowsApps\MicrosoftCorporationII.WindowsSubsystemForAndroid_8wekyb3d8bbwe\WsaClient.exe", 
+      "${WinPath.desktop}\\$appName", 
+      args: "/launch wsa://$package",
+      icon: '%LOCALAPPDATA%\\Packages\\MicrosoftCorporationII.WindowsSubsystemForAndroid_8wekyb3d8bbwe\\LocalState\\$package.ico');
+  }
+
   static void installApk(String apkFile, String ipAddress, int port, [bool downgrade = false]) async {
     log("INSTALLING \"$apkFile\" on on $ipAddress:$port...");
     var installation = Process.run('${Env.TOOLS_DIR}\\adb.exe', ['-s', '$ipAddress:$port', 'install', if (downgrade) '-r', if (downgrade) '-d', apkFile])
@@ -401,6 +411,7 @@ class ApkInstaller extends StatefulWidget {
 class _ApkInstallerState extends State<ApkInstaller> {
   int index = 0;
   ToggleButtonThemeData? warningButtonTheme;
+  bool createShortcut = false;
 
   @override
   Widget build(BuildContext context) {
@@ -523,20 +534,26 @@ class _ApkInstallerState extends State<ApkInstaller> {
           titleWidget,
           const SizedBox(height: 10),
           Text("The application $appTitle was successifully installed"),
+          if (installType == InstallType.INSTALL) const SizedBox(height: 10),
+          if (installType == InstallType.INSTALL) Checkbox(
+            checked: createShortcut,
+            content: const Text("Create desktop shortcut"),
+            onChanged: (value) => setState(() => createShortcut = value!),
+          ),
           const Spacer(),
           Row(
             mainAxisAlignment: MainAxisAlignment.end,
             crossAxisAlignment: CrossAxisAlignment.end,
             children: [
               noMoveWindow(Button(
                 child: const Text('Dismiss'),
-                onPressed: (){appWindow.close();},
+                onPressed: (){if (createShortcut) ApkInstaller.createLaunchIcon(package, appTitle); appWindow.close();},
               )),
               (){return isLaunchable ? const SizedBox(width: 15) : SizedBox.shrink();}(),
               (){return isLaunchable ? noMoveWindow(ToggleButton(
                 child: const Text('Open app'),
                 checked: true,
-                onChanged: (_){log('am start -n ${GState.package.of(context)}/${GState.activity.of(context)}'); Process.run('${Env.TOOLS_DIR}\\adb.exe', ['-s', '$ipAddress:$port', 'shell', 'am start -n ${GState.package.of(context)}/${GState.activity.of(context)}']);},
+                onChanged: (_){if (createShortcut) ApkInstaller.createLaunchIcon(package, appTitle); Process.run('${Env.TOOLS_DIR}\\adb.exe', ['-s', '$ipAddress:$port', 'shell', 'am start -n ${GState.package.of(context)}/${GState.activity.of(context)}']); appWindow.close();},
               )) : const SizedBox.shrink();}()
             ]
           )

lib/windows/win_io.dart

@@ -0,0 +1,49 @@
+// ignore_for_file: non_constant_identifier_names
+
+import 'dart:ffi';
+import 'package:ffi/ffi.dart';
+import 'package:win32/win32.dart';
+
+class RegistryKeyValuePair {
+  final String key;
+  final String value;
+
+  const RegistryKeyValuePair(this.key, this.value);
+}
+
+class WinIO {
+  /// Creates a Windows shortcut (.lnk);
+  static void createShortcut(String filePath, String linkPath, {String? description, String? args, String? icon}) {
+    final shellLink = ShellLink.createInstance();
+    final lpPath = filePath.toNativeUtf16();
+    final lpArgs = args?.toNativeUtf16();
+    final lpIcon = icon?.toNativeUtf16();
+    final lpLinkPath = "$linkPath.lnk".toNativeUtf16();
+    final lpDescription = description?.toNativeUtf16() ?? nullptr;
+    final ptrIID_IPersistFile = convertToCLSID(IID_IPersistFile);
+    final ppf = calloc<COMObject>();
+
+    try {
+      shellLink.SetPath(lpPath);
+      if (lpArgs != null) shellLink.SetArguments(lpArgs);
+      if (description != null) shellLink.SetDescription(lpDescription);
+      if (lpIcon != null) shellLink.SetIconLocation(lpIcon, 0);
+
+      final hr = shellLink.QueryInterface(ptrIID_IPersistFile, ppf.cast());
+      if (SUCCEEDED(hr)) {
+        final persistFile = IPersistFile(ppf);
+        persistFile.Save(lpLinkPath, TRUE);
+        persistFile.Release();
+      }
+      shellLink.Release();
+    } finally {
+      free(lpPath);
+      if (lpArgs != null) free(lpArgs);
+      if (lpIcon != null) free(lpIcon);
+      free(lpLinkPath);
+      if (lpDescription != nullptr) free(lpDescription);
+      free(ptrIID_IPersistFile);
+      free(ppf);
+    }
+  }
+}

lib/windows/win_path.dart

@@ -0,0 +1,56 @@
+// Copyright (c) 2020, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+// Demonstrates usage of various shell APIs to retrieve known folder locations
+
+import 'dart:ffi';
+import 'package:ffi/ffi.dart';
+import 'package:win32/win32.dart';
+
+class WinPath {
+  // Get the path of the temporary directory (typically %TEMP%)
+  static late String temp = (){
+    final buffer = wsalloc(MAX_PATH + 1);
+    final length = GetTempPath(MAX_PATH, buffer);
+
+    try {
+      if (length == 0) {
+        final error = GetLastError();
+        throw WindowsException(error);
+      } else {
+        var path = buffer.toDartString();
+
+        // GetTempPath adds a trailing backslash, but SHGetKnownFolderPath does not.
+        // Strip off trailing backslash for consistency with other methods here.
+        if (path.endsWith('\\')) {
+          path = path.substring(0, path.length - 1);
+        }
+        return path;
+      }
+    } finally {
+      free(buffer);
+    }
+  }();
+
+  /// Get the desktop path
+  static late String desktop = (){
+    final appsFolder = GUIDFromString(FOLDERID_Desktop);
+    final ppszPath = calloc<PWSTR>();
+
+    try {
+      final hr =
+          SHGetKnownFolderPath(appsFolder, KF_FLAG_DEFAULT, NULL, ppszPath);
+
+      if (FAILED(hr)) {
+        throw WindowsException(hr);
+      }
+
+      final path = ppszPath.value.toDartString();
+      return path;
+    } finally {
+      free(appsFolder);
+      free(ppszPath);
+    }
+  }();
+}

pubspec.lock

@@ -500,12 +500,12 @@ packages:
     source: hosted
     version: "2.1.1"
   win32:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: win32
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.2.10"
+    version: "2.3.0"
   xdg_directories:
     dependency: transitive
     description:

pubspec.yaml

@@ -28,6 +28,7 @@ dependencies:
   protobuf: ^2.0.0
   #path_provider: ^2.0.6
   mdi: ^5.0.0-nullsafety.0
+  win32: ^2.3.0
 
 
 dev_dependencies: