Complete Android Development with Java + PHP Backend

Explore Java basics for Android development, including Java as a platform with bytecode and the JVM, object oriented syntax, and key concepts like JRE, API, and primitive types.

Install Java on Windows, Mac OS, or Linux, compile and run a simple Hello world program, and learn to use javac, java, and the IntelliJ community edition.

Learn to build a hello world Java program in IntelliJ IDE, including creating a project, importing from version control, writing the main method, and printing with system.out.println.

Learn how Java comments boost readability by using single-line, multi-line, and documentation comments that the compiler ignores, with examples of // and /* */ showing how notes explain code blocks.

Explore how Java arrays store primitive and object elements with zero-based indexing and fixed sizes, and learn to declare, initialize, and iterate single and multi-dimensional arrays.

Explore exception handling in Java with try and catch blocks, handling runtime errors such as arithmetic, null pointer, and index out of bounds, and learn about finally.

Learn how abstraction hides complex details to show only essential features in programming, using abstract classes and interfaces in Java, with examples and rules.

Discover Android as a Linux-based mobile OS, its software stack from kernel to runtime, and how apps use activities, services, and content providers built with Java or Kotlin.

Install and explore Android Studio, the official IDE with inbuilt Java for Windows, Mac, Linux, and Chrome OS. Open existing projects or start new ones via Git and Gradle.

Understand every line of the android app code, from package and imports to onCreate and setContentView, including activity_main. Review toolbar, floating action button, snack bar, and lifecycle.

Learn to use Android switch widget as a two-state control for on and off settings. Handle on checked change events and display toasts to reflect user toggles in your app.

Learn to add a rating bar in Android, set a 1–5 star range (including half stars), and retrieve the user rating with getRating for product ratings or database use.

Learn to use the Android checkbox widget for multiple selections in a food app, wire it with find view by id, and retrieve values on click with a toast.

Explore radio buttons and radio groups in Android, learning how to present two states, handle single-option selection (such as gender), and retrieve the selected value via listeners.

Learn how to print outputs in PHP using echo and print, compare their behaviors, and print text with line breaks.

Explore conditional statements in PHP using if-else, with practical examples like age-based license eligibility and name checks, and learn to implement simple web service logic.

Learn to develop json web services with php and mysql, and explore php's database compatibility (MongoDB, Postgres) and cross-platform deployment across Windows, Linux, Mac OS, and Apache or IIS servers.

Learn what JSON is, JavaScript object notation, its object and array structures, and how to fetch and post data between browser and server using a lightweight, language-independent text format.

Connect to a MySQL database and fetch multiple records as JSON using PHP, demonstrating localhost setup, Dreamweaver, and a simple GET parameter to filter by player id.