Mobile. Android Development Tutorial. Application Fundamentals. Android apps are written in the Java programming language.
The Android SDK tools compile your code—along with any data and resource files—into an APK: an Android package, which is an archive file with an .apk suffix. One APK file contains all the contents of an Android app and is the file that Android-powered devices use to install the app. Once installed on a device, each Android app lives in its own security sandbox: The Android operating system is a multi-user Linux system in which each app is a different user.
By default, the system assigns each app a unique Linux user ID (the ID is used only by the system and is unknown to the app). HTML5 Browser Storage: the Past, Present and Future. I have slightly selfish reasons for writing this article; I can never remember all the client-side storage mechanisms available to HTML5 developers!
I’ve possibly forgotten some now… Why Store Data on the Client? The main reason is practicality. JavaScript code running on the browser does not necessarily need to send all information to the server. There are several use cases: