1) Explain AIDL, HIDL ? 2) Android Boot Up Sequence? 3) Android Architecture in detail? 4) Android Components Framework? 5) Android Activity Lifecycle?

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AIDL and HIDL are communication interfaces used in Android development. Android Boot Up Sequence, Architecture, Components Framework, and Activity Lifecycle are key concepts in Android development.

AIDL (Android Interface Definition Language) is used for inter-process communication in Android. It allows different applications to communicate with each other.
HIDL (Hardware Interface Definition Language) is used for communication between Android system services and hardware components. It provides a standardized interface for hardware abstraction.
Android Boot Up Sequence involves several stages such as bootloader, kernel initialization, init process, and system server startup.
Android Architecture consists of four layers: Linux Kernel, Hardware Abstraction Layer (HAL), Android Runtime, and Application Framework. Each layer plays a crucial role in the functioning of the Android system.
Android Components Framework includes activities, services, broadcast receivers, and content providers. These components help in building robust and interactive Android applications.
Android Activity Lifecycle includes methods such as onCreate(), onStart(), onResume(), onPause(), onStop(), and onDestroy(). These methods are called at different stages of an activity's lifecycle.

1) Explain AIDL, HIDL ? 2) Android Boot Up Sequence? 3) Android Architecture in detail? 4) Android Components Framework? 5) Android Activity Lifecycle?

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