Android apps are pieces of software that run the Android operating system. They can be installed on Android tablets, phones and TVs. They excel at using the touchscreen, camera and GPS features of the device. Installing many apps on an Android device can affect the battery’s life and performance.
Understanding the Android platform and its design principles is crucial to develop Android apps. It is also about developing an appropriate app architecture that separates UI and OS-related code into components that share responsibility. The system is able to activate these components in asynchronous fashion using a broadcast mechanism that is activated by desires.
Kotlin is growing in popularity as a language for Android development. Both are supported by the Android SDK. A large developer community is online to help newcomers to the language understand and resolve issues.
The Android OS is divided into layers. The application layer comprises the standard apps that come with the OS, and any proprietary apps that are included with specific devices, for example, the music player or phone dialer. The Android app layer also includes custom firmware, such as CyanogenMod and OMFGB that can be installed on certain devices to customize their functionality.
Another reason that hinders certain apps from functioning is compatibility. If an app was made available to the US market, but isn’t compatible with your European device, it will not work on it, and will be marked as “incompatible” in the Play Store.