问在Android 11上，如何在不点击通知的情况下从通知更新启动活动

EN

/// <summary>
/// Assuming that the phone is not locked, and the screen is on, this brings the application to the foreground. It is used, for instance
/// where a patient event is inititiated while the user is viewing another app. The app is brought to the foreground by simply launching (or re-launching)
/// Main Activity
 /// </summary>
    public void BringToForeground()
    {
        var context = (Activity)MainApplication.ActivityContext;
        KeyguardManager keyguardManager = (KeyguardManager)context.GetSystemService(Context.KeyguardService);
        DisplayManager  displayManager  = (DisplayManager)context.GetSystemService(Context.DisplayService);

        var displayOn = false;
        foreach (var display in displayManager.GetDisplays())
        {
            if (display.State == DisplayState.On)
                displayOn = true;
        }

        if (!displayOn || keyguardManager.IsKeyguardLocked)
            return;

        //Check if we are already foregrounded, if so, return, nothing more to do
        var proteusAppProcess = new ActivityManager.RunningAppProcessInfo();
        ActivityManager.GetMyMemoryState(proteusAppProcess);
        if (proteusAppProcess.Importance == Importance.Foreground)
            return;

        //Not foregrounded so re-launch intent - since this APP is SingleTop, this will replace any existing activity
        Intent resultIntent = new Intent(StaticDefs.Com_Spacelabs_EclipsePatientApp_Android_SwitchScreenIntent);
        resultIntent.PutExtra(PageId.PageIdStringIdent, (int)PageId.RequestedPageId.PatientEventListScreen);
        resultIntent.SetFlags(ActivityFlags.NoHistory | ActivityFlags.NewTask | ActivityFlags.SingleTop);
        context.StartActivity(resultIntent);
    }