protected override void OnCreate()
{
base.OnCreate();
// Get paths to resources required for launch.
string resPath = Current.DirectoryInfo.Resource;
string assetsPath = $"{resPath}/flutter_assets";
string icuDataPath = $"{resPath}/icudtl.dat";
string aotLibPath = $"{resPath}/../lib/libapp.so";
// Read engine arguments passed from the tool.
ParseEngineArgs();
using var switches = new StringArray(EngineArgs);
var engineProperties = new FlutterDesktopEngineProperties
{
assets_path = assetsPath,
icu_data_path = icuDataPath,
aot_library_path = aotLibPath,
switches = switches.Handle,
switches_count = (uint)switches.Length,
};
Handle = FlutterDesktopRunEngine(ref engineProperties, true);
if (Handle.IsInvalid)
{
throw new Exception("Could not launch a Flutter application.");
}
}
protected override void OnCreate()
{
base.OnCreate();
Utils.ParseEngineArgs(EngineArgs);
using (var switches = new StringArray(EngineArgs))
using (var entrypointArgs = new StringArray(DartEntrypointArgs))
{
var engineProperties = new FlutterDesktopEngineProperties
{
assets_path = "../res/flutter_assets",
icu_data_path = "../res/icudtl.dat",
aot_library_path = "../lib/libapp.so",
switches = switches.Handle,
switches_count = (uint)switches.Length,
entrypoint = DartEntrypoint,
dart_entrypoint_argc = entrypointArgs.Length,
dart_entrypoint_argv = entrypointArgs.Handle,
};
Engine = FlutterDesktopEngineCreate(ref engineProperties);
if (Engine.IsInvalid)
{
throw new Exception("Could not create a Flutter engine.");
}
if (!FlutterDesktopEngineRun(Engine))
{
throw new Exception("Could not launch a service application.");
}
}
}
protected override void OnCreate()
{
base.OnCreate();
Utils.ParseEngineArgs(EngineArgs);
using (var switches = new StringArray(EngineArgs))
using (var entrypointArgs = new StringArray(DartEntrypointArgs))
{
var engineProperties = new FlutterDesktopEngineProperties
{
assets_path = "../res/flutter_assets",
icu_data_path = "../res/icudtl.dat",
aot_library_path = "../lib/libapp.so",
switches = switches.Handle,
switches_count = (uint)switches.Length,
entrypoint = DartEntrypoint,
dart_entrypoint_argc = entrypointArgs.Length,
dart_entrypoint_argv = entrypointArgs.Handle,
};
Engine = FlutterDesktopEngineCreate(ref engineProperties);
if (Engine.IsInvalid)
{
throw new Exception("Could not create a Flutter engine.");
}
}
var windowProperties = new FlutterDesktopWindowProperties
{
x = WindowOffsetX,
y = WindowOffsetY,
width = WindowWidth,
height = WindowHeight,
transparent = IsWindowTransparent,
focusable = IsWindowFocusable,
top_level = IsTopLevel,
};
View = FlutterDesktopViewCreateFromNewWindow(ref windowProperties, Engine);
if (View.IsInvalid)
{
throw new Exception("Could not launch a Flutter application.");
}
}
protected override void OnCreate()
{
base.OnCreate();
var windowProperties = new FlutterDesktopWindowProperties
{
headed = IsHeaded,
x = WindowOffsetX,
y = WindowOffsetY,
width = WindowWidth,
height = WindowHeight,
transparent = IsWindowTransparent,
focusable = IsWindowFocusable,
};
Utils.ParseEngineArgs(EngineArgs);
using var switches = new StringArray(EngineArgs);
using var entrypointArgs = new StringArray(DartEntrypointArgs);
var engineProperties = new FlutterDesktopEngineProperties
{
assets_path = "../res/flutter_assets",
icu_data_path = "../res/icudtl.dat",
aot_library_path = "../lib/libapp.so",
switches = switches.Handle,
switches_count = (uint)switches.Length,
entrypoint = DartEntrypoint,
dart_entrypoint_argc = entrypointArgs.Length,
dart_entrypoint_argv = entrypointArgs.Handle,
};
Handle = FlutterDesktopRunEngine(ref windowProperties, ref engineProperties);
if (Handle.IsInvalid)
{
throw new Exception("Could not launch a Flutter application.");
}
}
public static extern FlutterDesktopEngine FlutterDesktopRunEngine(
ref FlutterDesktopWindowProperties window_properties,
ref FlutterDesktopEngineProperties engine_properties);
public static extern FlutterDesktopEngine FlutterDesktopEngineCreate(
ref FlutterDesktopEngineProperties engine_properties);
public static extern FlutterDesktopEngine FlutterDesktopRunEngine(
ref FlutterDesktopEngineProperties engine_properties,
bool headed);
protected override void OnCreate()
{
base.OnCreate();
Console.WriteLine("Preparing to start a Flutter application...");
if (!Information.TryGetValue("http://tizen.org/feature/screen.width", out int width) ||
!Information.TryGetValue("http://tizen.org/feature/screen.height", out int height))
{
Console.Error.WriteLine("Could not obtain the screen size.");
return;
}
var size = new FlutterDesktopSize
{
width = width,
height = height
};
var appRoot = Path.GetDirectoryName(Path.GetDirectoryName(Current.ApplicationInfo.ExecutablePath));
var arch = RuntimeInformation.ProcessArchitecture switch
{
Architecture.X86 => "x86",
Architecture.X64 => "x64",
Architecture.Arm => "arm",
Architecture.Arm64 => "aarch64",
_ => "",
};
var aotLibPath = Path.Combine(appRoot, "lib", arch, "libapp.so");
var assetsPath = Path.Combine(appRoot, "res", "flutter_assets");
var icuDataPath = Path.Combine(appRoot, "res", "icudtl.dat");
var args = new List <string>
{
"--verbose-logging",
"--trace-startup",
"--disable-service-auth-codes",
};
if (FlutterEngineRunsAOTCompiledDartCode())
{
Console.WriteLine("Run AOT compiled Dart code: " + aotLibPath);
args.Add("--aot-shared-library-name=" + aotLibPath);
}
var properties = new FlutterDesktopEngineProperties
{
assets_path = assetsPath,
icu_data_path = icuDataPath,
};
var pSize = Marshal.AllocHGlobal(Marshal.SizeOf(size));
var pProperties = Marshal.AllocHGlobal(Marshal.SizeOf(properties));
Marshal.StructureToPtr <FlutterDesktopSize>(size, pSize, false);
Marshal.StructureToPtr <FlutterDesktopEngineProperties>(properties, pProperties, false);
try
{
Instance = RunFlutterApplication(pSize, pProperties, args.ToArray(), (uint)args.Count);
}
catch (Exception ex)
{
Console.Error.WriteLine("Could not start the Flutter application: " + ex);
}
finally
{
Marshal.FreeHGlobal(pSize);
Marshal.FreeHGlobal(pProperties);
}
}
public FlutterIntegration(string projectPath, params FlutterPlugin[] plugins)
{
try
{
FlutterWindowsInterop.SetProjectPath(projectPath);
var props = new FlutterDesktopEngineProperties
{
AssetsPath = Path.Combine(FlutterWindowsInterop.ProjectPath, @"data\flutter_assets"),
IcuDataPath = Path.Combine(FlutterWindowsInterop.ProjectPath, @"data\icudtl.dat"),
AotLibraryPath = Path.Combine(FlutterWindowsInterop.ProjectPath, @"data\app.so"),
//Switches = FlutterWindowsInterop.CreateSwitches(new[] { "--observatory-port=49494" }),
//SwitchesCount = new IntPtr(1)
};
#if DEBUG
var debugSwitches = new[] {
"--observatory-port=49494",
"--disable-service-auth-codes"
};
props.Switches = FlutterWindowsInterop.CreateSwitches(debugSwitches);
props.SwitchesCount = new IntPtr(debugSwitches.Length);
NativeMethods.AllocConsole();
FlutterWindowsInterop.FlutterDesktopResyncOutputStreams();
#endif
_controller = FlutterWindowsInterop.FlutterDesktopCreateViewController(1024, 768, props);
RegisterPlugins(_controller, plugins);
_control = new Lazy <HwndWrapperControl>(() =>
{
var view = FlutterWindowsInterop.FlutterDesktopGetView(_controller);
return(new HwndWrapperControl(FlutterWindowsInterop.FlutterDesktopViewGetHWND(view)));
});
ulong next_flutter_event_time = (ulong)DateTime.Now.Ticks;
CompositionTarget.Rendering += (s, e) =>
{
/*taken from run_loop.cpp
*
* bool processedEvents = false;
* while(NativeMethods.PeekMessage(out var msg, Control.ChildWnd, (Messages.WM)0, (Messages.WM)0, Messages.PM.REMOVE))
* {
* processedEvents = true;
* NativeMethods.TranslateMessage(ref msg);
* NativeMethods.DispatchMessage(ref msg);
* next_flutter_event_time = Math.Min(next_flutter_event_time ,
* FlutterWindowsInterop.FlutterDesktopProcessMessages(_controller));
* }
* if(!processedEvents)
* {
* next_flutter_event_time = Math.Min(next_flutter_event_time,
* FlutterWindowsInterop.FlutterDesktopProcessMessages(_controller));
* }*/
//NativeMethods.PostMessage(Control.ChildWnd, 0, IntPtr.Zero, IntPtr.Zero);
FlutterWindowsInterop.FlutterDesktopProcessMessages(_controller);
};
/*_runLoopTimer = new DispatcherTimer(DispatcherPriority.Render);
* _runLoopTimer.Interval =
*
* _runLoopTimer.Tick += (s, e) =>
* {
*
* };*/
//_runLoopTimer.Start();
}
catch (Exception ex)
{
}
}
