Mobile Apps Developer

An app is notified whenever the operating system moves the apps between foreground and background. The operating system improves battery life while it bounds what your app can do in the background. This also improves the user experience with foreground app.

An app can get into InActive state when the user locks the screen or the system prompts the user to respond to some event e.g. SMS message, incoming call etc.

Some of the unique challenges are: designing for a small screen size and resolution; energy management that focuses on optimization of battery life; managing data access in an environment of variable and potentially inconsistent network access; working with devices that offer limited processor power and RAM in comparison to a PC.

The UIKit infrastructure takes care of delivering events to custom objects. As an app developer, you have to override methods in the appropriate objects to process those events.

Cisco WebEx develops mobile meeting applications for a host of devices. The apps are developed in the programming language best suited to the device and OS we are approaching. So, we develop using C++ for Apple devices running on iOS, Java for BlackBerry devices, Java for Android devices and so on.

UI Automation API is used to automate test procedures. Tests scripts are written in JavaScript to the UI Automation API. This in turn simulates user interaction with the application and returns log information to the host computer.

Containers holds objects and widgets together, depending on which items are needed and in what arrangement they need to be in. Containers may hold labels, fields, buttons, or even child containers, as examples.

An activity is a single, focused thing that the user can do. when ever user click on GUI the next Activity will be start and new GUI set base on coding.

iOS 4 and above supports multi-tasking and allows apps to remain in the background until they are launched again or until they are terminated.

Every Android app must have this manifest file in its root directory named 'AndroidManifest.xml'. The file includes critical information about the app, including the Java package name for the application.

Android Interface Definition Language. It offers to define the client's interface requirements and moreover a service in order to communicate at same level with the help of inter process communications.

AVD Stand for Android Virtual Device (emulator), The Android SDK includes a mobile device emulator - a virtual mobile device that runs on your computer.