Android apps are bits of software that run on the Android operating system. They can be downloaded on Android devices like tablets, TVs and phones. They excel in making use of the touchscreen, camera and GPS features on the device. Installing a variety of apps on an Android device can negatively impact battery life and performance.

The process of creating Android apps requires a thorough understanding of the Android platform and its design principles and frameworks. It also requires a solid app architecture that separates UI- and OS-related codes into components that have shared responsibility. These components can be activated asynchronously by the system using the broadcast mechanism that is activated by intents.

Java is the preferred language for Android development, however Kotlin has gained popularity in recent years. Both are supported by Android SDK. A large developer community is online to help those who are new to the language and resolve issues.

The Android OS is divided into layers. The application layer contains the standard apps that are included with the OS, in addition to any proprietary apps that are included with specific devices, such as a music player or a phone dialer. The Android application layer is comprised of custom why not find out more firmware, such as CyanogenMod or OMFGB. These are installed to alter the functions of specific devices.

Another factor that prevents some apps from working is compatibility. If an app has been pushed out to the US market, but isn’t compatible with your European device, it will not function on it and will appear as “incompatible” in the Play Store.