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Enhance Hybrid Mobile App Development: Update to Ionic 2 from Ionic 1

The Ionic framework is one of the most popular hybrid mobile application development frameworks. It is a complete open-source SDK built on top of AngularJS and Apache Cordova that makes building hybrid mobile applications faster and easier.

Why Ionic 2?

Ionic 2 with radical changes seems almost like a new framework as compared to Ionic 1. Although syntactically, much of the components would look the same on the surface, it is the code for Ionic 2 that, by far, differentiates the two.

Developers using Ionic 1 (with Ionic 1 serving their purpose) may ask that age-old question: Why should I migrate to Ionic 2 when everything for me works fine with Ionic 1? As the question is age-old, the answer must be big and bold. Some of the reasons that might entice you to upgrade to Ionic 2 are as follows:

  • 1. Improved Performance –

    Ionic 2 has been built with performance consideration in mind. There are several performance enhancements. Angular 2 is a faster framework than Angular 1 with a new pre-compilation that results in better parsing and network requests. Every component in Ionic 2 has been audited for render, paint, and CPU usage performance along with rigorous testing.

  • 2. Native Support –

    Ionic 2 brings support for native functionality. This allows us to take advantage of the power of the device without being in a constant look out for external plugins and code.

  • 3. More Components –

    Ionic 2 brings several high quality and well tested components, additional APIs and features. Navigation component is one such major component that facilitates linking to any page in your app from anywhere with flexible presentation.

  • 4. Modern JavaScript –

    Migrating from Ionic 1 to Ionic 2 brings modern, standards-compliant TypeScript into play instead of Angular 1. The JavaScript ecosystem is embracing TypeScript due to the powerful type system and advanced IDE features available with it which has given a new and improved dimension to stability and maintainability of code.

The Process: Updating from Ionic 1 to Ionic 2

The migration from Ionic 1 to Ionic 2 is a step-by-step process with certain processes repeating more than once as we are on our way to updating. Let’s take a look at the steps.

  • 1. Creating a new Ionic 2 app from scratch –

    While you can update an Ionic 1 app already in place, it is better to create one from scratch, especially if your app is custom and uses tabs or menu.

  • 2. Converting the main app structure –

    Once the version 2 app is ready, we start porting over our code from version 1. If we create new pages, we need to update the tabs component to reference the new pages that we create.

  • 3. Updating the Theme –

    Updating the theme will give a recognizable look to our app. We can set colors of our choice for many common elements.

  • 4. Converting the Ionic 1 view/controller to an Ionic 2 page, including porting the templates –

    Ionic 1 view/controller is converted to Ionic 2 page by updating the page component classes and their respective view templates. Once the template is updated, we compare the 2 versions and realize that it is easy to customize version 2 as compared to version 1 although they have same components with slightly different syntax.

  • 5. Converting the Ionic 1 service/factory to an Ionic 2 provider –

    With the help of TypeScript classes, Ionic 1 service/factory is converted to Ionic 2, say we want to include the chat provider with the event handler for chat opening when the user taps on it.

  • 6. Converting the custom Angular 1 code to standards-compliant ES6/TypeScript–

    In Ionic 2, the entire app is made of components. We simply update the constructor of our app component with TypeScript.

  • 7. Updating routes to use new navigation and deep links –

    In Ionic 2, there is a more native approach to navigation using push/pop style navigation from anywhere without being bound to URLs. This is how traditional native SDKs work.

With Ionic 2, developer teams and the businesses are discovering progressive ways of mobile app development that is converting the customers faster than the app stores alone could. With cost-effective, fast, and highly accessible characteristics, Ionic 2 is all set to revolutionize the future of mobile app development.

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