Creating an API for mobile applications – Authentication and Authorization

Overview I’m looking to create a (REST) API for my application. The initial/primary purpose will be for consumption by mobile apps (iPhone, Android, Symbian, etc). I’ve been looking into different mechanisms for authentication and authorization for web-based APIs (by studying other implementations). I’ve got my head wrapped around most of the fundamental concepts but am … Read more

Cause: buildOutput.apkData must not be null

My android application using Kotlin is throwing this exception when I try to Run ‘app’ in the emulator o in my cellphone. When I build my project it runs well, with no errors. I am using: SDK 28 (Android 9.0 (Pie)) Gradle 5.1.1 Gradle Plugin 3.5.0-alpha03 Kotlin 1.3.10 Java 1.8.0_151 OSX 10.13.2 org.gradle.internal.exceptions.LocationAwareException: buildOutput.apkData must … Read more

How can I generate an apk that can run without server with react-native?

I’ve built my app, I can run it on my local emulator (and also on my android device within the same network by changing debug server). However, I want to build an APK that I can send to someone without access to the development server and I want them to be able to test application. … Read more