How to use org.robovm.apple.uikit

@Override
public UIInterfaceOrientationMask getSupportedInterfaceOrientations () {
  long mask = 0;
  if (app.config.orientationLandscape) {
    mask |= ((1 << UIInterfaceOrientation.LandscapeLeft.value()) | (1 << UIInterfaceOrientation.LandscapeRight.value()));
  }
  if (app.config.orientationPortrait) {
    mask |= ((1 << UIInterfaceOrientation.Portrait.value()) | (1 << UIInterfaceOrientation.PortraitUpsideDown.value()));
  }
  return new UIInterfaceOrientationMask(mask);
}

@Override
public Orientation getNativeOrientation () {
  switch (app.uiApp.getStatusBarOrientation()) {
  case LandscapeLeft:
  case LandscapeRight:
    return Orientation.Landscape;
  default:
    return Orientation.Portrait;
  }
}

  @Override
  public String getContents () {
    return UIPasteboard.getGeneralPasteboard().getString();
  }
};

private void createDefaultTextField () {
  textfield = new UITextField(new CGRect(10, 10, 100, 50));
  //Parameters
  // Setting parameters
  textfield.setKeyboardType(UIKeyboardType.Default);
  textfield.setReturnKeyType(UIReturnKeyType.Done);
  textfield.setAutocapitalizationType(UITextAutocapitalizationType.None);
  textfield.setAutocorrectionType(UITextAutocorrectionType.No);
  textfield.setSpellCheckingType(UITextSpellCheckingType.No);
  textfield.setHidden(true);
  // Text field needs to have at least one symbol - so we can use backspace
  textfield.setText("x");
  app.getUIViewController().getView().addSubview(textfield);
}

void setupPeripherals () {
  //motionManager = new CMMotionManager();
  setupAccelerometer();
  setupCompass();
  UIDevice device = UIDevice.getCurrentDevice();
  if (device.getModel().equalsIgnoreCase("iphone")) hasVibrator = true;
  if (app.getIosVersion() >= 9){
    UIForceTouchCapability forceTouchCapability = UIScreen.getMainScreen().getTraitCollection().getForceTouchCapability();
    pressureSupported = forceTouchCapability == UIForceTouchCapability.Available;
  }
}

@Override
public void clicked (UIAlertView view, long clicked) {
  if (clicked == 0) {
    // user clicked "Cancel" button
    listener.canceled();
  } else if (clicked == 1) {
    // user clicked "Ok" button
    UITextField textField = view.getTextField(0);
    listener.input(textField.getText());
  }
  delegate = null;
}

@Override
public void setOnscreenKeyboardVisible (boolean visible) {
  if (textfield == null) createDefaultTextField();
  if (visible) {
    textfield.becomeFirstResponder();
    textfield.setDelegate(textDelegate);
  } else {
    textfield.resignFirstResponder();
  }
}

  @Override
  public boolean openURI (String URI) {
    NSURL url = new NSURL(URI);
    if (uiApp.canOpenURL(url)) {
      uiApp.openURL(url);
      return true;
    }
    return false;
  }
}

@Override
public boolean shouldEndEditing (UITextField textField) {
  // Text field needs to have at least one symbol - so we can use backspace
  textField.setText("x");
  Gdx.graphics.requestRendering();
  return true;
}

@Override
public void setContents (String content) {
  UIPasteboard.getGeneralPasteboard().setString(content);
}

private void createDefaultTextField () {
  textfield = new UITextField(new CGRect(10, 10, 100, 50));
  //Parameters
  // Setting parameters
  textfield.setKeyboardType(UIKeyboardType.Default);
  textfield.setReturnKeyType(UIReturnKeyType.Done);
  textfield.setAutocapitalizationType(UITextAutocapitalizationType.None);
  textfield.setAutocorrectionType(UITextAutocorrectionType.No);
  textfield.setSpellCheckingType(UITextSpellCheckingType.No);
  textfield.setHidden(true);
  // Text field needs to have at least one symbol - so we can use backspace
  textfield.setText("x");
  app.getUIViewController().getView().addSubview(textfield);
}

void setupPeripherals () {
  //motionManager = new CMMotionManager();
  setupAccelerometer();
  setupCompass();
  UIDevice device = UIDevice.getCurrentDevice();
  if (device.getModel().equalsIgnoreCase("iphone")) hasVibrator = true;
  if (app.getIosVersion() >= 9){
    UIForceTouchCapability forceTouchCapability = UIScreen.getMainScreen().getTraitCollection().getForceTouchCapability();
    pressureSupported = forceTouchCapability == UIForceTouchCapability.Available;
  }
}

@Override
public void clicked (UIAlertView view, long clicked) {
  if (clicked == 0) {
    // user clicked "Cancel" button
    listener.canceled();
  } else if (clicked == 1) {
    // user clicked "Ok" button
    UITextField textField = view.getTextField(0);
    listener.input(textField.getText());
  }
  delegate = null;
}

@Override
public UIInterfaceOrientationMask getSupportedInterfaceOrientations () {
  long mask = 0;
  if (app.config.orientationLandscape) {
    mask |= ((1 << UIInterfaceOrientation.LandscapeLeft.value()) | (1 << UIInterfaceOrientation.LandscapeRight.value()));
  }
  if (app.config.orientationPortrait) {
    mask |= ((1 << UIInterfaceOrientation.Portrait.value()) | (1 << UIInterfaceOrientation.PortraitUpsideDown.value()));
  }
  return new UIInterfaceOrientationMask(mask);
}

@Override
public void setOnscreenKeyboardVisible (boolean visible) {
  if (textfield == null) createDefaultTextField();
  if (visible) {
    textfield.becomeFirstResponder();
    textfield.setDelegate(textDelegate);
  } else {
    textfield.resignFirstResponder();
  }
}

  @Override
  public String getContents () {
    return UIPasteboard.getGeneralPasteboard().getString();
  }
};

@Override
public void setContents (String content) {
  UIPasteboard.getGeneralPasteboard().setString(content);
}

@Override
public Orientation getNativeOrientation () {
  switch (app.uiApp.getStatusBarOrientation()) {
  case LandscapeLeft:
  case LandscapeRight:
    return Orientation.Landscape;
  default:
    return Orientation.Portrait;
  }
}

@Override
public int getRotation () {
  // we measure orientation counter clockwise, just like on Android
  switch (app.uiApp.getStatusBarOrientation()) {
  case LandscapeLeft:
    return 270;
  case PortraitUpsideDown:
    return 180;
  case LandscapeRight:
    return 90;
  case Portrait:
  default:
    return 0;
  }
}

@Override
public int getRotation () {
  // we measure orientation counter clockwise, just like on Android
  switch (app.uiApp.getStatusBarOrientation()) {
  case LandscapeLeft:
    return 270;
  case PortraitUpsideDown:
    return 180;
  case LandscapeRight:
    return 90;
  case Portrait:
  default:
    return 0;
  }
}