Android

Android is a mobile operating system developed by Google, designed for use on a wide range of devices including smartphones, tablets, smartwatches, and more. It is based on the Linux kernel and is known for its flexibility, customization options, and extensive ecosystem.

Android is a versatile and widely adopted mobile operating system that provides extensive customization options, a broad range of devices, and integration with Google’s services. Its open-source nature, flexibility for developers, and robust app ecosystem make it an attractive choice for both users and developers. With its global reach, frequent updates, and support for innovation, Android continues to be a leading platform in the mobile technology landscape.

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Why Android?

Android offers several advantages for both users and developers due to its flexibility, customization options, and extensive ecosystem. Here are key reasons why Android is a popular choice:

1. Open Source and Customization

• Open Source: Android is based on the Linux kernel and is open source, which allows manufacturers and developers to modify and adapt the operating system to meet their specific needs.
• Customization: Users and manufacturers can extensively customize the Android interface, including home screen layouts, widgets, and themes. This flexibility allows for a wide range of user experiences and device designs.

2. Wide Hardware Compatibility

• Diverse Range of Devices: Android runs on a broad spectrum of devices from various manufacturers, ranging from high-end smartphones to budget models, tablets, smartwatches, and more. This wide hardware compatibility offers users numerous options based on their preferences and budget.
• Innovation in Hardware: The open nature of Android encourages innovation in hardware, leading to advanced features and cutting-edge technology in many Android devices.

3. Extensive App Ecosystem

• Google Play Store: The Google Play Store is the primary distribution platform for Android apps, offering a vast selection of applications across various categories, including games, productivity tools, and utilities.
• Alternative App Stores: Besides Google Play, Android supports other app stores and marketplaces, providing additional options for app distribution and discovery.

4. Integration with Google Services

• Seamless Integration: Android devices integrate closely with Google’s suite of services, including Gmail, Google Drive, Google Photos, and Google Maps, providing a cohesive and efficient user experience.
• Google Assistant: Google’s voice-activated assistant helps users perform tasks, access information, and control smart home devices using voice commands.

5. Flexibility for Developers

• Development Tools: Android Studio is the official integrated development environment (IDE) for Android, offering a comprehensive set of tools for designing, coding, and debugging apps.
• Programming Languages: Developers can use Java, Kotlin (the preferred language), or C++ with the Android Native Development Kit (NDK) to build applications, providing flexibility in development.

6. Multitasking and Productivity Features

• Multitasking Capabilities: Android supports multitasking with features like split-screen view, which allows users to run and interact with two apps simultaneously.
• Productivity Tools: Android devices offer a range of productivity tools and apps, including Google Docs for document editing, Google Calendar for scheduling, and support for various email clients and office suites.

7. Frequent Updates and Innovations

• Regular Updates: Android receives regular updates that introduce new features, enhancements, and security patches. Major updates often bring significant improvements and new functionalities.
• Innovative Features: Android frequently incorporates new technologies and innovations, such as support for advanced camera capabilities, AR (Augmented Reality) through ARCore, and new biometric authentication methods.

8. Global Reach and Localization

• Global Adoption: Android is the most widely used mobile operating system worldwide, thanks to its availability on a broad range of devices and its adaptability to various markets.
• Localization: Android supports multiple languages and regional settings, making it accessible to users around the world.

9. Cost and Accessibility

• Affordability: The wide range of Android devices includes many budget-friendly options, making smartphones and tablets accessible to a broader audience.
• Variety of Choices: Users have the option to choose from devices with different specifications, sizes, and features, allowing them to select a device that best fits their needs.

10. Strong Community and Support

• Developer Community: A large and active developer community contributes to a wealth of resources, tutorials, and third-party tools, facilitating app development and troubleshooting.
• User Forums and Support: Various online forums and support communities provide assistance for Android users and developers, offering solutions and advice.

Module 1: JAVA Concepts

• Oops Concepts
• Inheritance in detail
• Exception handling
• Packages & interfaces
• JVM & .jar file extension
• Multithreading (Thread class & Runnable Interface)

Module 2: SQL

• DML & DDL Queries in brief

Module 3: Introduction to Android

• What is Android?
• Setting up development environment
• Dalvik Vitrual Machine & .apk file extension
• Fundamentals:
  • Basic Building Blocks- Activities, Services, Broadcast Receivers & Content providers
  • UI Components – Views & notifications
  • Components for communication – Intents & Intent Filters
  • Android API levels (version & version names)

Module 4: Application Structure

• xml
• uses-permission & uses-sdk
• Resourses & java
• Assets
• Layouts & Drawable Resources
• Activities and Activity Lifecycle
• First sample Application

Module 5: Emulator-Android Virtual Device

• Launching emulator
• Editing emulator settings
• Emulator shortcuts
• Logcat usage
• Introduction to DDMS
• Second App:- (switching between activities)
• Develop an app for demonstrating the communication between Intents.

Module 6: Basic UI design

• Form widgets
• Text Fields
• Layouts
• [dip, dp, sip ,sp] versus px
• Examples

Module 7: Preferences

• SharedPreferences
• Examples

Module 8: Menu

• Option menu
• Context menu
• Sub menu
• menu from xml
• menu via code
• Examples

Module 9: Intents

• Explicit Intents
• Implicit intents
• Examples

Module 10: UI design

• Material Design
• Time and Date
• Images and media
• Composite
• AlertDialogs & Toast
• Popup
• Examples

Module 11: Tabs and Tab Activity

• Examples

Module 12: SQLite Concepts

• SQLite Programming
• SQLiteOpenHelper
• SQLiteDatabase
• Cursor
• Reading bookmarks

Module 13: Android Debug Bridge (adb) tool

Module 14: Adapters and Widgets

• Adapters:
  • ArrayAdapters
  • BaseAdapters
  • ListView and ListActivity
  • Custom listview
  • GridView using adapters
  • Gallery using adapters
  • Examples

Module 15: Threads

• Threads running on UI thread (runOnUiThread)
• Worker thread
• Handlers & Runnable
• AsynTask
• Examples
• Live Folders
• Using sdcards
• XML Parsing
• JSON Parsing
• Maps , GPS , Location-based Services