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Query A GraphQL API On Android And iOS With NativeScript And Angular

I’ve recently written several tutorials around GraphQL and there are more to come. However, most of these tutorials, including my eBook and video course, Web Services for the JavaScript Developer, have focused on the backend side of things and less of the frontend side of things. Knowing how to create a GraphQL powered API is great, but what if you need to query it from a client facing application?

In a recent tutorial I demonstrated querying a GraphQL API from a Vue.js web application, but what if we wanted to explore something with an Android or iOS mobile application?

In this tutorial we’re going to see how to create an iOS and Android mobile application using NativeScript and Angular and then query a GraphQL API from that application using numerous methods.

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Profiling UI Layouts In Android For Performance Improvements

Something that any application should be concerned with is performance. One way to look at performance is via profiling. Most IDEs and platforms provide tools to profile your application to take a look at detailed system information about various parts of your application. With Android applications you can execute an adb command to generate a very thorough snapshot of the graphics information and that’s what we’re going to look at in this post.

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Getting Started With The Android SDK For NativeScript Development On MacOS

When it comes to mobile development, Android has always been a pain to deal with. While iOS has a terrible deployment to production experience, Android has a terrible installation and configuration experience.

I’ve been developing Android applications since before hybrid web and cross-platform native were a thing and up until recently, the Android installation experience has been unchanged. However, now things are different with a heavy push towards Android Studio and less towards the command line interface (CLI).

If you’re like me and feel that Android Studio has no business in your NativeScript workflow, you’re probably still interested in the Android CLI’s less than ideal experience. We’re going to see how to get setup on macOS with not only the Android CLI, but also the various packages and appropriate simulators for NativeScript development.

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7 Problems With Hybrid Mobile Development And How NativeScript Solves Them

I’ve been a mobile application developer since 2010 and I’ve played around with my fair share technologies and frameworks. While I’ve developed applications that can be safely classified as vanilla native or core native using Java, I’ve spent most of my time developing cross platform applications for Android and iOS using frameworks such as Ionic Framework and NativeScript that support web technologies.

The convenience of cross platform development with web technologies doesn’t come without penalty for certain frameworks. After all, mobile development frameworks can be split into a hybrid web category which act as web applications bundled into a mobile application and a native mobile category which act as web applications compiled into a mobile application. The difference being in my use of bundled vs compiled.

We’re going to see some of the problems that developers face when choosing to use a hybrid development framework such as, but not limited to, Ionic Framework vs a native development framework such as NativeScript.

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Releasing An Android Application Built With NativeScript And Vue.js

So you’ve just built an awesome new Android application using NativeScript and the Vue.js JavaScript framework and you’re wondering what’s next. Unless this is an internal application, you’re probably going to want to publish the application to a marketplace like Google Play. The thing is, up until now, you’ve probably only been working with a debug build of your Android application and binary.

We’re going to see how to take a NativeScript application that uses Vue.js and build an Android binary for release using a signing key and some command line magic.

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Give That Slow Hybrid Mobile App A Native Performance Boost With NativeScript

When it comes to hybrid mobile application development, there is always discussion around the performance of said applications. While hybrid mobile applications have come a long way in terms of performance since the early days, they still can’t quite live up to the performance expectations that are delivered in a native application.

We’re going to take a look at why hybrid applications suffer in the speed department and how other similar frameworks such as NativeScript can take your applications to the next level without severe changes to design or development.

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Override The Android Back Button In A NativeScript With Angular Application

Have you ever needed to perform a certain action when the user tries to hit the back button or exit out of your application on Android devices? For example, what if the user was able to back out of your application and you wanted to show a dialog. Or what if you have a video application and you wanted to pause the video when they tap the back button?

Being able to override the functionality of the back button on Android can do great things for your application as long as you don’t abuse it.

We’re going to see how to create a mobile application with NativeScript and Angular that demonstrates overriding the back button on Android, whether that be hardware or software.

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