app.ts

module todo {
    export class App extends plat.App {
        /**
         * Class for every app. This class contains hooks for Application Lifecycle Events
         * as well as error handling and navigation events.
         */
        constructor() {
            super();
        }

        /**
         * Event fired when the app is ready
         * @param ev The ILifecycleEvent object
         */
        ready(ev: plat.events.ILifecycleEvent) {
            // can be used to configure various 
            // settings prior to loading the 
            // rest of the application
        }

        /**
         * Event fired when an internal error occurs.
         * @param ev The IErrorEvent object.
         */
        error(ev: plat.events.IErrorEvent<Error>) {
            // log or handle errors at a global level
        }

        /**
         * Event fired when the app is suspended.
         * @param ev The ILifecycleEvent object.
         */
        suspend(ev: plat.events.ILifecycleEvent) {
            // if running on a device,
            // this is where you want to save important 
            // data and finish ongoing processes.
        }

        /**
         * Event fired when the app resumes from the suspended state.
         * @param ev The ILifecycleEvent object.
         */
        resume(ev: plat.events.ILifecycleEvent) {
            // if running on a device,
            // this is where you want to re-initialize 
            // the app state.
            // this is called only when the app was 
            // previously suspended.
        }
    }

    plat.register.app('todo', App);
}