Steps of App Development : Vision to Product (Part 2)

Developing an application can be tough and challenging experience. I have written a 3 part introductory guide to help you get started. If you haven’t caught up with the first part be sure to read it first.

So, up to now you have your documentation ready. Lets see the next steps in the process of app development.

4. Design


When you have your development documentation ready the next step in your process is design. This step involves creating graphical interface by converting the wireframes into clean and attractive user interfaces. A User Experience (UX) Designer can create the interaction architecture of the design elements.  A User Interface (UI) Designer for mobile solutions can create the look and feel of your app. This is a multistep process with its own review stages.


from :

User interfaces need to be easy to use and of high quality design, as this is what will make it stand out in the app store. The design will incorporate the your branding and will be designed with different mobile screen resolutions in mind.

5. Develop


from :

This is the main phase for programmer. The Type of technology used in development phase must be defined in Technical Analysis Step. The design document developed in Design Phase must be applied while developing the app. The developer must narrow down the resemblance between the app and design document.

Development should run parallel with testing so that errors and bugs can be caught early and fixed. At this stage the developer will write and maintain the source code which makes up the back end of the mobile app. Each platform has its own software development kit. The native programming language will vary depending on what platform the app is being created for.


At the end of the development phase, the result is evaluated according to the list of requirements that was created in the requirement engineering. It is also evaluated according to the designs. For example, tests may be conducted to determine whether the application does indeed support android 2.3 or higher.

6. Testing


from : softwaretestinglearning

Congratulations! You have built an app. Now it’s time to get some of your target users to help you test it.Testing is an essential stage during the mobile app development process that must be taken seriously. Carrying out testing will examine the apps functionality, usability and consistency, whilst also exposing any issues so they can be fixed before the product is distributed.

There are different type of testing techniques that can be carried out after developing your app. Android Studio provides some inbuilt testing techniques which can be found here. Besides that these are some testing techniques you can apply :

Automated Testing


Automated testing is done during app development. Automated testing is designed to ensure your app can work across the intended devices and that your script remains intact.Unit Testing and Integration Testing are part of Automated Testing. To learn how to create unit testing for your android application you can follow this link here.

UAT testing.


User acceptance testing is a process to discover whether your mobile app works for users. In other words, put your app in the hands of a few people in your target audience. Once your app has passed the UAT test, you know that the solution “works”. It includes alpha and beta testing

Alpha Testing

Alpha testing is done by the users who are involved during app development. That means it is done by the people who are aware of the functionalities and technology used in the app.

Beta Testing

Beta testing is done by the real users of the app who are unaware of the technologies used in the app. Beta testers will help you determine whether or not the app’s functions are operating well in a real-world environment.

In part 3 you will be introduced to the Deployment, Maintenance and Marketing Phase of App Development. Check it out here.


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