toast.ts

import platform = require("platform");
import application = require("application");

export enum Length { 
    Short = 2000, 
    Long = 3500
}

export function show(message: string, length: Length = Length.Long) {
    if (platform.device.os === platform.platformNames.android) {
        android.widget.Toast.makeText(application.android.context, message, length).show();
    } else if (platform.device.os === platform.platformNames.ios) {
        var toast = new UIAlertView(null, message, null, null, null);
        toast.show();

        setTimeout(() => {
            toast.dismissWithClickedButtonIndexAnimated(0, true);
        }, length);
    }
}