public static async Task <T> RunOnUIThreadAsync <T>(this Func <Task <T> > func)
{
var tcs = new TaskCompletionSource <T>();
System.Action action = async() =>
{
try
{
var result = await func();
tcs.SetResult(result);
}
catch (Exception ex)
{
tcs.SetException(ex);
}
};
await action.OnUIThreadAsync();
return(await tcs.Task);
}
public static async Task RunOnUIThreadAsync(this Func <Task> func)
{
var tcs = new TaskCompletionSource <bool>();
System.Action action = async() =>
{
try
{
await func();
tcs.SetResult(true);
}
catch (Exception ex)
{
tcs.SetException(ex);
}
};
await action.OnUIThreadAsync();
await tcs.Task;
}