What is Sleep Mode in Android?

In sleep mode, CPU is slept and doesn’t accept any commands from android device except Radio interface layer and alarm. As of my last knowledge update in January 2022, Android does not have a specific “sleep mode” feature like some other devices or operating systems might have. However, it’s possible that newer versions of Android … Read more

What is a Singleton Class in Android?

A singleton class is a class which can create only an object that can be shared by all other classes. In Android development, a singleton class refers to a class that is designed to have only one instance throughout the entire application’s lifecycle. The singleton pattern ensures that there is a single point of access … Read more

Which Types of Flags are used to Run an Application on Android?

Following are two types of flags to run an application in Android: FLAG_ACTIVITY_NEW_TASK FLAG_ACTIVITY_CLEAR_TOP In the context of Android development, there are several types of flags that can be used to run an application, but the most common one is the Intent flags. Intent flags are used to control the behavior of the components (such … Read more

What is Application Widgets in Android?

Application widgets are miniature application views that can be embedded in other applications and receive periodic updates. In Android, an application widget is a small, interactive, and frequently updated component that provides users with quick access to key information or actions from the home screen of their device without having to open the full application. … Read more

Which Kernel is used in Android?

Android is a customized Linux 3.6 kernel. Android uses the Linux kernel as its core. The Linux kernel provides the fundamental system services such as process management, memory management, device management, and more, upon which the Android operating system is built. While Android itself is an operating system, it relies on the Linux kernel for … Read more