How to access the UIPrintInteractionController class with NativeScript

问题

I'm trying to implement AirPrint printing and need to instantiate UIPrintInteractionController. However, I can't seem to get it to find the class. How can I access this UIKit class from NativeScript?

function findPrinter() {
    var printController = UIPrintInteractionController.new();
    console.log(printController);
}
exports.findPrinter = findPrinter;

回答1:

Use the following syntax for your case :

function findPrinter() {
    var printController = UIPrintInteractionController;
    console.log(printController.isPrintingAvailable());
}
exports.findPrinter = findPrinter;

Here are some more example for Objective-C to JS based on the {N} documenation

Objective-C code

NSMutableArray * array = [[NSMutableArray alloc] init];
Class buttonClass = [UIButton class];
UIButton * button = [[buttonClass alloc] init];
[array setObject: buttonClass atIndex: 0];
[array setObject: button atIndex: 1];

NativeScript code

var array = new NSMutableArray();
var buttonClass = UIButton;
var button = new buttonClass();
array.setObjectAtIndex(buttonClass, 0);
array.setObjectAdIndex(button, 1);

More details can be found at NativeScript documentation

来源：https://stackoverflow.com/questions/36780044/how-to-access-the-uiprintinteractioncontroller-class-with-nativescript