The most interesting challenge you faced while developing an android application:

• There are numerous devices that run on various versions. Keeping up with the changes is a huge problem for developers. Most Android developers, on the other hand, use the most recent version. Users will profit from advanced technologies, as  they always claim.
• One of the most crucial stages in the development process is the user interface. When you hire the greatest android app development firm, however, you will receive the best. A good user interface displays your brand identity and has a larger impact on users .However, the benefit of OS customization forces professionals to consider whether to stick with the standard of custom UI. If experts choose custom UI, they will not be able to access numerous functions.
• Although JAVA is a simple language, developers must write a lot of code in this case. It is compatible with both native and cross-platform applications. When it comes to KOTLIN, it belongs to the category of modern language. Developers that use Kotlin must go through a lot of coding. The programme is built more quickly than Java and runs smoothly.

• APIs are used to make app development more convenient. It's because APIs can be used to create work that meets business objectives. Apps will be able to get the authentication and functionalities they want by using APIs. However, it can be challenging for developers to provide compatibility, such as API's and devices, at times. Developing an app while dealing with API issues is a significant and difficult step for developers.

Read More: What is the most challenging problem you have solved in Android application development?