In this chapter, we will cover the following tasks related to creating form input validation, mocked API calls, and payment pages using Stripe:
All mobile apps require taking user input and sending it to a backend server. A simple example is filling out a form, such as a user registration or contact form. The information is validated against a set of rules before being sent to the backend. Also, there are many other scenarios where the information is captured based on user behavior from the app, such as where they touch or how much time they spend on a certain page. Regardless, you will run into many send and retrieve data scenarios.
This chapter will cover the following three basic examples:
All of these are actually available natively in Angular 2. However, since Angular 2 has a lot of changes compared to Angular 1 in terms of processing data and working with the backend server, it's worth covering these topics in detail.
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