TMSFMXNativeUINavigationController1.PushViewController(Form3.TMSFMXNativeUIViewController1,true);

procedure TForm1.InitializeControl(AControl: TControl);
var
  I: Integer;
begin
  if not Assigned(AControl) then
    Exit;

  if AControl is TTMSFMXNativeUIBaseControl then
  begin
    (AControl as TTMSFMXNativeUIBaseControl).Initialize;
    for I := 0 to AControl.ControlsCount - 1 do
      InitializeControl(AControl.Controls[I]);
  end;
end;

procedure TForm1.TMSFMXNativeUIButton1Click(Sender: TObject);
begin
  InitializeControl(SecondaryForm.TMSFMXNativeUIViewController1);
  TMSFMXNativeUINavigationController1.PushViewController(SecondaryForm.TMSFMXNativeUIViewController1,true);
end;

type
  TUIPrintInteractionControllerCompletionHandler = procedure(printInteractionController: Pointer; 
    completed: Pointer; error: Pointer) of object;

  UIPrintInteractionControllerClass = interface(NSObjectClass)
    ['{D3566B82-3014-40C6-B7E3-DFC22AF39319}']
    {class} function canPrintData(data: NSData): Boolean; cdecl;
    {class} function canPrintURL(url: NSURL): Boolean; cdecl;
    {class} function isPrintingAvailable: Boolean; cdecl;
    {class} function printableUTIs: NSSet; cdecl;
    {class} function sharedPrintController: Pointer; cdecl;
  end;
  UIPrintInteractionController = interface(NSObject)
    ['{0FEF6AA7-132B-41C8-BB12-045C43027D4B}']
    function delegate: Pointer; cdecl;
    procedure dismissAnimated(animated: Boolean); cdecl;
    function printFormatter: UIPrintFormatter; cdecl;
    function printInfo: UIPrintInfo; cdecl;
    function printPageRenderer: UIPrintPageRenderer; cdecl;
    function printPaper: UIPrintPaper; cdecl;
    function printingItem: Pointer; cdecl;
    function printingItems: NSArray; cdecl;
    procedure setDelegate(delegate: Pointer); cdecl;
    procedure setPrintFormatter(printFormatter: UIPrintFormatter); cdecl;
    procedure setPrintInfo(printInfo: UIPrintInfo); cdecl;
    procedure setPrintPageRenderer(printPageRenderer: UIPrintPageRenderer); cdecl;
    procedure setPrintingItem(printingItem: Pointer); cdecl;
    procedure setPrintingItems(printingItems: NSArray); cdecl;
    procedure setShowsPageRange(showsPageRange: Boolean); cdecl;
    procedure presentAnimated(animated: Boolean; completionHandler: 
      TUIPrintInteractionControllerCompletionHandler); cdecl;
    function showsPageRange: Boolean; cdecl;
  end;
  TUIPrintInteractionController = class(TOCGenericImport<UIPrintInteractionControllerClass, 
    UIPrintInteractionController>)  end;

var
  pi: UIPrintInfo;
  pic: UIPrintInteractionController;
  fileURL: Pointer;
begin
  pi := TUIPrintInfo.Wrap(TUIPrintInfo.OCClass.printInfo);
  pi.setOutputType(UIPrintInfoOutputGeneral);
  pi.setJobName(TMSFMXNativeUIWebView1.WebView.request.URL.absoluteString);
  pi.setOrientation(UIPrintInfoOrientationPortrait);
  pi.setDuplex(UIPrintInfoDuplexLongEdge);

  pic := TUIPrintInteractionController.Wrap(TUIPrintInteractionController.OCClass.sharedPrintController);
  pic.setPrintInfo(pi);
  pic.setShowsPageRange(True);

  fileURL := TNSURL.OCClass.fileURLWithPath(NSSTR(ExtractFilePath(ParamStr(0))+'sample.pdf'));
  pic.setPrintingItem(fileURL);
  pic.presentAnimated(True, PrintCompleted); 
end;

var
  input: TStringList;
  output: String;
  I, J: Integer;
begin
  input := TStringList.Create;
  input.Add(ExtractFilePath(ParamStr(0)) + 'Egypt.pdf');
  input.Add(ExtractFilePath(ParamStr(0)) + 'BoraBora.pdf');
  input.Add(ExtractFilePath(ParamStr(0)) + 'London.pdf');

  output := TPath.GetDocumentsPath + '/Merged.pdf';
  TMSFMXNativePDFLib1.BeginDocument(output);
  for I := 0 to input.Count - 1 do
  begin
    TMSFMXNativePDFLib1.OpenDocument(input[I]);
    for J := 1 to TMSFMXNativePDFLib1.GetPageCount do
    begin
      TMSFMXNativePDFLib1.GetPageInfo(J);
      TMSFMXNativePDFLib1.NewPage;
      TMSFMXNativePDFLib1.DrawPage(J);
    end;
    TMSFMXNativePDFLib1.CloseDocument;
  end;
  TMSFMXNativePDFLib1.EndDocument;

  input.Free;
end;

var
  loc: TTMSFMXNativeMKMapLocation;
  ann: TTMSFMXNativeMKAnnotation;
begin
  TMSFMXNativeMKMapView1.BeginUpdate;
  loc := TMSFMXNativeMKMapView1.XYToCoordinate(TMSFMXNativeMKMapView1.Width / 2, TMSFMXNativeMKMapView1.Height / 2);
  ann := TMSFMXNativeMKMapView1.AddAnnotation(loc, 'Hello', 'World');
  ann.Bitmap.LoadFromFile(ExtractFilePath(ParamStr(0))+'pin.png');
  TMSFMXNativeMKMapView1.EndUpdate;

  TMSFMXNativeUIView1.SetBounds(0, 480, 320, 480);

  TUIView.OCClass.beginAnimations(nil, nil);
  TUIView.OCClass.setAnimationDuration(0.4);
  TMSFMXNativeUIView1.SetBounds(0, 0, 320, 480);
  TUIView.OCClass.commitAnimations;

procedure TForm1.ZoomToFit;
var
  maxCoord: TTMSFMXNativeMKMapLocation;
  minCoord: TTMSFMXNativeMKMapLocation;
  coord: TTMSFMXNativeMKMapLocation;
  I: Integer;
  rgnm: MKCoordinateRegion;
begin
  maxCoord.Latitude := -90;
  maxCoord.Longitude := -180;
  minCoord.Latitude := 90;
  minCoord.Longitude := 180;

  for I := 0 to TMSFMXNativeMKMapView1.Annotations.Count - 1 do
  begin
    coord := TMSFMXNativeMKMapView1.Annotations[I].Location;
    if coord.Longitude > maxCoord.Longitude then
      maxCoord.Longitude := coord.Longitude;

    if coord.Latitude > maxCoord.Latitude then
      maxCoord.Latitude := coord.Latitude;

    if coord.Longitude < minCoord.Longitude then
      minCoord.Longitude := coord.Longitude;

    if coord.Latitude < minCoord.Latitude then
      minCoord.Latitude := coord.Latitude;
  end;

  rgnm.center.longitude := (minCoord.Longitude + maxCoord.Longitude) / 2;
  rgnm.center.latitude := (minCoord.Latitude + maxCoord.Latitude) / 2;
  rgnm.span.longitudeDelta := maxCoord.Longitude - minCoord.Longitude;
  rgnm.span.latitudeDelta := maxCoord.Latitude - minCoord.Latitude;

  TMSFMXNativeMKMapView1.MapView.setRegion(rgnm, True);
end;