DCA3201 MOBILE APPLICATION DEVELOPMENT

Description

SESSION	OCT 2024
PROGRAM	BACHELOR OF COMPUTER APPLICATIONS (BCA)
SEMESTER	VI
COURSE CODE & NAME	DCA3201 MOBILE APPLICATION DEVELOPMENT

 

 

Set-I

 

 

 

1. Draw the android architecture diagram with functions of each layer.

Ans 1.

Android Architecture and Functions of Each Layer

Android is a versatile operating system that powers a majority of mobile devices globally. Its architecture is layered, enabling smooth interaction between applications and the underlying hardware. Below is an explanation of the Android architecture and the functions of each layer.

1. Linux Kernel At the base of the Android architecture lies the Linux Kernel, which is responsible for core system functionalities. It manages essential hardware components like memory, power, and network. Additionally, the kernel provides device drivers for hardware such as cameras, Bluetooth, and audio

 

 

Its Half solved only

Buy Complete from our online store

 

https://smuassignment.in/online-store/

 

MUJ Fully solved assignment available for session July-Aug 2024.

 

Lowest price guarantee with quality.

Charges INR 198 only per assignment. For more information you can get via mail or Whats app also

Mail id is aapkieducation@gmail.com

 

Our website www.smuassignment.in

After mail, we will reply you instant or maximum

1 hour.

Otherwise you can also contact on our

whatsapp no 8791490301.

 

 

2a. How would you create an empty project in Android Studio. Enlist the major steps.

1. Describe about the function of .java and .xml files in an Android project?

Ans 2.

1. Creating an Empty Project in Android Studio

To create an empty project in Android Studio, follow these major steps:

1. Open Android Studio:
   Launch Android Studio on your computer. Ensure that it is properly installed and configured with the required SDKs.
2. Start a New Project:
   On the welcome screen, click on the option “Start a new Android Studio project”. This initiates the project creation

 

 

3. Describe Dalvik Virtual Machine and Android Run Time (ART).

Ans 3.

Dalvik Virtual Machine (DVM)

The Dalvik Virtual Machine (DVM) was the original runtime environment used in Android systems up to version 4.4 (KitKat). It is a type of virtual machine optimized for mobile devices with limited memory and processing power. Unlike Java Virtual Machines (JVM), DVM operates on Dalvik

 

Set-II

 

4. Explain the role of LoaderManager. LoaderCallbacks in managing Cursor Loaders and the significance of its methods in the Android Loader framework

Ans 4.

Role of LoaderManager and LoaderCallbacks in Managing Cursor Loaders

In Android, LoaderManager and LoaderCallbacks play a vital role in managing data loading operations, particularly when using CursorLoaders to access data from a content provider or database. These components are part of the Loader framework, designed to efficiently handle data queries and lifecycle changes.

Role of LoaderManager

LoaderManager is responsible for managing the lifecycle of loaders, such as starting, stopping, and retaining loaders during

 

 

5. Discuss how Broadcast Receivers work in Android and provide an example scenario where they might be useful

Ans 5.

How Broadcast Receivers Work in Android

Broadcast Receivers in Android are components that allow applications to listen for and respond to system-wide or application-specific broadcast messages. These messages are announcements sent by the Android system or other applications to indicate that a specific event has occurred. For instance, system broadcasts include events like changes in network connectivity, battery level updates, or device boot

 

 

6. Discuss the various CRUD operations available in SQLite database. Explain them with the help of suitable example.

Ans 6.

CRUD Operations in SQLite Database

SQLite is a lightweight database engine commonly used in Android applications for local data storage. CRUD stands for Create, Read, Update, and Delete, representing the fundamental operations for managing data in a database.