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Android Studio 4.1 Development Essentials – Java Edition

Android Studio 4.1 Development Essentials – Java Edition

By : Neil Smyth
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Android Studio 4.1 Development Essentials – Java Edition

Android Studio 4.1 Development Essentials – Java Edition

By: Neil Smyth

Overview of this book

For developers, Android 11 has a ton of new capabilities. The goal of this book is to teach the skills necessary to develop Android-based applications using the Java programming language. This book begins with the steps necessary to set up an Android development and testing environment. An overview of Android Studio along with the architecture of Android is covered next, followed by an in-depth look at the design of Android applications and user interfaces using the Android Studio environment. You will also learn about the Android architecture components along with some advanced topics such as touch screen handling, gesture recognition, the recording and playback of audio, app links, dynamic delivery, the AndroidStudio profiler, Gradle build configuration, and submitting apps to the Google Play Developer Console. The concepts of material design, including the use of floating action buttons, Snackbars, tabbed interfaces, card views, navigation drawers, and collapsing toolbars are a highlight of this book. This edition of the book also covers printing, transitions, and cloud-based file storage; the foldable device support is the cherry on the cake. By the end of this course, you will be able to develop Android 11 Apps using Android Studio 4.1, Java, and Android Jetpack. The code files for the book can be found here: https://www.ebookfrenzy.com/retail/androidstudio41/index.php
Table of Contents (88 chapters)
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88
Index

68.3 Building the Entity

This project will begin by creating the entity which defines the schema for the database table. The entity will consist of an integer for the product id, a string column to hold the product name and another integer value to store the quantity. The product id column will serve as the primary key and will be auto-generated. Table 68-3 summarizes the structure of the entity:

Column

Data Type

productid

Integer / Primary Key / Auto Increment

productname

String

productquantity

Integer

Table 68-3

Add a class file for the entity by right clicking on the app -> java -> com.ebookfrenzy.roomdemo entry in the Project tool window and selecting the New -> Java Class menu option. In the new class dialog...

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