Application development
Application Development is usually referred to as the process of writing and maintaining the s
ource code i.e. computer programming. But in the wider view, application development includes everything from the inception of the desired application to the final manifestation of that application. Therefore application development may include research, modifications, reuse re-engineering, maintenance, software design or any other activities that can result in the finished application.
There are many different kinds of applications
1. Web Applications
2. Mobile Applications
3. Portable Applications
4. Open Source Applications
5. Rich Internet Applications
Let’s briefly discuss the types of applications mentioned above
1. Web Applications
Web apps are the application programs that are stored on a remote computer and which are delivered via the internet through a web browser interface. Web apps include both client-side logic and the user interface. Common examples of web apps could be Gmail, instant messaging Services, Wiki’s etc. The benefit of having a web app is that they can be distributed over thousand number of client computers without even installing the software package.
2.Mobile Application
These are the computer programs which are designed to run on a mobile device such as a mobile phone, tablet or a Smartwatch. They started appearing first in 2008 with the inception of Android, Blackberry, Symbian, and IOS etc. A mobile application can be installed via application store such as App Store, Google Play, Windows phone store etc. There are several independent app markets as well such as GetJar, Aptoide, F-droid etc. A huge number of the population uses mobile phones and hence the need for mobile apps is mandatory. You can find everything, every service on a mobile app these days. Mobile app developers have to consider a wide array of screen sizes, hardware specifications, and configuration in order to develop their mobile application because they are dealing with a variety of devices here.
3. Portable Application
Portable application or standalone is a software product designed to be easily moved from one computer to another this include portable versions of different software such as even Operating Systems, browsers etc to enhance mobile computing. Portable apps are usually stored on portable storage devices such as USB drive or flash media or can be found in the cloud as well. A portable app it is not installed on a device but stores all application files and data together and runs irrespective of the Operating Systems.
4. Open Source Application
Open source application refers to the applications that are publicly accessible and can be inspected, modified and enhanced by people. People can have control over the behavior of the apps, ensure the security and stability and can practice application development on them. Some examples of such software are Mozilla Firefox, VLC Media Player, Open office etc.
5. Rich Internet Application
An RIA is a web application which has the same features and functions normally associated with desktop applications. Generally, RIA’s are split between the client side and the application server side, on the client side they have the user interface while on the application server side data manipulation and operation is done.
Application Development Lifecycle
Application Development life cycle or System Development Life Cycle is a term used in system engineering which describes the process of planning, creating, testing and deploying an information system. It consists of a detailed plan on how to develop, maintain, replace and alter or enhance specific softwa
re or software modules.
1. Information is gathered about the user, hardware, and the software. The inputs from the customer are taken into consideration also the market surveys and domain experts in the industry helps shape the process. This information is then used to plan the approach of application development.
2. Data analysis is performed on the information gathered. Once the requirement analysis is done the documentation is developed as well.
3. Application design starts according to the data collected and according to the customer requirements and actual application is built in an organized manner.
4. And now the design is manifested in terms of a prototype model. Prototyping, which refers to a system’s actual interactions with the intended system. After every process, the testing is done but here the testing refers to the reports tracked of the interactions of the system with the intended environment until the product register quality standards defined.
5. After the testing phase is over, and the product is ready to be deployed, it is released in the appropriate market. The newly developed application is maintained over time. It is done to increase the feature, security, stability, and performance for the existing customer base.
A Few Things to Notice
Documentation
It is the crucial part of application development which helps to retract any activities while developing the application. It provides with the logs so that any changes can be undone if anything goes wrong or is not required.
Integrated Development Environments or Integrated Debugging Environment
IDE’s are the software applications which provide comprehensive facilities for the software development to the computer programmers.
Programming language
A programming language is an artificial language; designed for the computers to understand and perform the instructions given to them by the users. Programming languages are used to write Computer Software. Few examples of programming languages are C, C++, C#, Java, PHP, HTML etc.
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