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Android apps are bits of software that run the Android operating system. They can be installed on Android devices like tablets, TVs and phones. They’re excellent at using the camera, touchscreen, and GPS features of the device. A lot of apps installed on an Android phone however, could affect the battery’s life and performance.
In order to develop Android apps requires a deep understanding of the Android platform, including its design principles and frameworks. It also means developing an appropriate app architecture that divides UI and OS-related code into separate components that share responsibilities. The system is able to activate these components asynchronously through an asynchronous broadcast mechanism that is activated by intentions.
Java is the preferred language for Android development, however Kotlin has gained popularity in recent years. Both are supported by the Android SDK. A large community of developers is available online to assist newcomers to the language and solve issues.
The Android OS is divided into layers. The application layer includes the standard apps included in the OS, and any proprietary apps that are bundled with specific devices, such as phones with a music player and dialer. The Android app layer also includes customized firmware, such as CyanogenMod or OMFGB. These are installed to modify the functionality of certain devices.
Another reason that blocks certain apps from functioning is compatibility. If an app is created specifically for the US but not compatible with your European device it will not run and will appear in the Play Store as “incompatible”.
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