The Complete Android Oreo Developer Course - Build 23 Apps!

Download android studio on windows or mac, tour the interface, and build interactive apps by adding text views, buttons, and images, culminating in a currency converter app in the emulator.

Download Android Studio from the official site and install it on macOS, then run the setup wizard with the standard installation and default light theme.

Download the latest Android Studio from Google, run the installer on Windows, and accept the defaults. Set up Android virtual devices and finish the setup wizard to begin Android development.

Explore Android Studio overview and set up your first project, naming the app and configuring domain, form factors, and SDK. Learn about manifests, Gradle, and basic activity setup.

Learn to open the sample projects in Android Studio, either via the welcome screen or by double-clicking the build.gradle file, then load the example app to start editing.

Learn to format text in Android Studio by editing text views, adjusting content, color, font, size, margins, padding, and gravity, and preview changes on the app.

Add a button and an on click function in Java, and log the button click to the logs to demonstrate interactivity and basic activity setup.

Add a text field with an edit text id and hint, log the entered name on button press, and create a login screen with username and password fields.

Display user input as a toast by reading text from an edit text when a button is pressed, and show hello plus the name with a chosen duration.

Learn to add images to Android apps by placing images in drawable, configuring an image view with fit center, and switching images with code via a bottom-right button.

Create a currency converter app in Android Studio that multiplies pounds by 1.3 to dollars, handling string to double conversion and displaying results in a toast.

Master Java basics for Android development, including variables, arrays, maps, if statements, loops, and classes and objects. Build real apps like a higher-or-lower game and number shapes in Android Studio.

Master the basics of Java with a Hello World example. Define a class and a main method, print to the console, and grasp object-oriented concepts for Android development.

Learn how to use variables in Java by creating int, double, boolean, and String values in the main method, explore primitives, concatenation, and string length.

Explore arrays and maps in Java, using prime numbers to illustrate zero-based indexing, list vs array differences with ArrayList, and map operations like put, get, and size.

Master if statements to test conditions, compare ages with 18, and use else and else if. Learn to compare array elements and handle equal cases for a higher-or-lower app.

Develop a higher or lower Android game that generates a random number 1–20, compares user input, shows higher or lower via toasts, and regenerates number after a correct guess.

Master Java loops in Android Oreo: use while, for, and for-each loops to iterate numbers and arrays, work with ArrayList, and apply type-safe generics.

Use classes as blueprints for objects and organize data like a score with related methods. Implement public methods that return booleans to express conditions such as winning.

Create an Android number shapes app that determines if a number is triangular, square, both, or neither using an object-oriented Number class with isTriangular and isSquare.

Explore advanced layouts and interactive user interface in Android Studio, using animations, images, audio, and grid layouts to build a Kinect three game and phrases translations app for Google Play.

Master constraint layout as the default and learn to position views with constraints. Compare relative layouts, explore XML layouts, and build centered two-button layouts with linear layouts.

Animate fading between Bart and Homer by tapping the image, using two image views and alpha transitions over 2 seconds, controlled by a boolean flag to toggle the display.

Learn to apply translations, rotations, and scaling to views, including combining animations with alpha, and handle float types with F suffix, then animate Bart from off-screen into view with rotation.

Build the Kinect three game by integrating animations and a grid layout, dropping yellow and red counters, detecting three-in-a-row wins, and enabling replay.

Embed a video in an Android app by using a video view, placing the video in raw resources, and setting the video path, then attach a media controller.

Learn to implement audio in android apps by using a media player with a raw marbles file, plus play and pause controls and initialization in onCreate.

Implement volume and scrub seek bars in Android, using an audio manager and media player to control volume, scrub playback, and update progress with a timer.

Create eight buttons in a two-by-four grid for the Basic Phrases app, using gravity and row and column weights to fill space in Android Studio.

Build a simple English to French basic phrases app for Android, using a single click handler and button tags to play the corresponding audio from the raw resources.

Dive into advanced Android features with timers, list views, and downloading images or JSON data, as you progress through the biggest section of the course and push toward expert topics.

Learn how to build and populate a list view in Android using an array adapter, connect it to the list view, handle item clicks, and show toasts.

Learn to build a times tables app with a seek bar (1–20) and a list view, using a snack bar, an array list, and an array adapter to display results.

Learn two timer techniques in Android: using a handler with a runnable for periodic execution and a countdown timer for countdown tasks, including starting and logging progress.

Build an Android Oreo egg timer app with a countdown, seek bar, egg image, and alarm sound; learn to start, stop, and reset the timer and update the UI.

Learn to show and hide user interface elements in an Android app by toggling a text view with buttons, and research to implement visibility that makes it visible or invisible.

Build a brain trainer app that poses rapid arithmetic problems within a 30-second timer, using a grid of four answer buttons, score tracking, and a play again option.

Learn how to use try and catch to handle exceptions in Java, with arrays and for loops, and catch specific and general exceptions to prevent crashes when downloading web content.

Learn to download web content in an Android app by performing background HTTP requests with an AsyncTask, update the UI on the main thread, handle exceptions, and request internet permission.

Learn to download images in an Android app by tapping a download image button, fetching a bitmap from URL via an async task, and displaying it in an image view.

Learn advanced string manipulation in Java to build a celebrity app by parsing HTML to extract image URLs and names, using split, substring, and regex techniques.

Build an Android app that shows a celebrity image with four name options, downloads and parses web data to obtain celeb URLs and names, and iterates new questions with feedback.

Learn how to process json data from an API, parse json objects and arrays, and extract weather details from the OpenWeatherMap API for an Android app.

Create a weather app that uses the open weather map API to fetch weather for any city, with a full-screen background, user input, JSON parsing, and friendly error handling.

Explore maps and geolocation on Android by accessing Google Maps and the device's GPS to obtain the current user location and address information.

Learn to integrate Google Maps in Android apps by creating a Maps activity, configuring an API key, and adding a map fragment with a Sydney marker.

Learn to customize maps by adding markers with latitude and longitude and bitmap descriptor icons. Change map types to satellite or hybrid and adjust camera zoom for Mount Everest.

Acquire user location by requesting fine location permission in manifest, set up a location manager and listener in Android Studio, and receive gps updates for latitude and longitude.

Create an Android app that shows the user’s location on a map, updates a marker when the location changes, and handles permissions with location services and a Google Maps activity.

Learn reverse geocoding with a geocoder to convert latitude and longitude into a readable address, build and display the full address from locality, admin, and thoroughfare.

Build an Android app called hiker's watch that shows latitude, longitude, accuracy, altitude, and address using GPS and reverse geocoding, with a full-screen Unsplash image and runtime location permissions.

Add a new activity to an Android app, navigate with intents, and pass data with extras; build a friends list and show the selected name in a toast.

Learn to build a memorable places app by saving places, displaying them on a map, and using long-press to add markers, with data passing between list and map views.

Explore how to store and save app data, from simple local storage to a full SQL database, and gain a basic understanding of SQL in the permanent data storage section.

Learn how to store data permanently in Android apps using shared preferences for small data and databases for larger storage, with serialization of places and latitudes and longitudes.

Create and inflate a main menu with items like settings and help using onCreateOptionsMenu, then handle selections with onOptionsItemSelected and a switch on item ID.

Learn to implement alert dialogs in Android, including building dialogs, setting icons, titles, messages, and positive/negative actions, then save language choices with shared preferences and reflect them in the UI.

Create a notes app using alert dialogs, shared preferences, and menus. Learn to add, edit, delete notes with a long press, and persist with a hash set and array list.

Learn to work with SQLite databases in Android Studio by creating or opening a database, defining a users table, inserting data with SQL, and retrieving it via a cursor.

Master advanced SQLite by managing a users database: create and switch tables, query with where and like, and apply limit one and a primary key ID for updates and deletions.

Learn to embed websites in your Android app with a web view, enable JavaScript, load URLs or HTML, and keep content inside the app using a web view client.

Build an Android news reader that fetches Hacker News top stories via the Hacker News API, stores articles in SQLite, and displays content in a web view.

Build an Instagram clone to learn a backend with Parse, an open source project, and master working with images in a practical app.

Deploy a parse server on AWS EC2 to power a simple Instagram clone, enabling backend storage of photos and user accounts with Android Studio.

Create and manage parse objects in Android Studio, including score and tweet classes, saving, querying, and updating data on the Parse server using object IDs.

Master advanced parse queries: fetch all score objects, filter by username or score with where, and update scores by adding points using find in background and save in background.

Learn to create and manage parse users, set usernames and passwords, sign up and log in, check current user status and sign out, with feedback on success or errors.

Build an Instagram clone login and signup screen in Android Studio, implementing username and password fields, sign up and log in flows with input validation, toast messages, and UI tweaks.

Learn to manage Android keyboard dismissal when tapping the background or image, and trigger login with the enter key using onKeyListener and input method manager.

Create a user list activity, design a full-screen list view, and populate it with usernames from a parse query excluding the current user in ascending order.

Learn to import photos from the camera using an Android intent, start activity for result, and display the image in a full-screen image view while handling read external storage permission.

Develop a user feed activity that displays a vertical list of images by programmatically adding image views, and retrieve user-specific images via a username-scoped query.

Discover Kotlin, a safer, easier to learn language that compiles to Java and could replace Java code, now officially supported by Google in Android Studio 3.0.

Install and set up IntelliJ IDEA for Kotlin, create a Kotlin JVM project, and write your first Kotlin program with a main function. Run it to print Hello, Kotlin.

Explore Kotlin variables, showing mutable var and immutable val, type inference and explicit types (int, string), plus string interpolation with $ and basic print line usage.

Learn how to write comments in Kotlin, perform math with doubles, calculate circumference using pi and radius, and use plus equals and minus equals.

Explore booleans in Kotlin, learning to declare true or false values, then master if statements with comparisons, logical operators, and multiple conditions, including a name-based print challenge.

Explore lists and arrays in Kotlin, learn how to create, index, and print elements, and use mutable lists to grow data while comparing arrays and lists.

Master for loops in Kotlin by iterating ranges and lists, printing elements like a candy list, and using modulo to identify odd numbers from 1 to 200.

Understand maps as key-value stores and how to declare them. Retrieve values by key, mutate to add entries, and follow a dog-age example and slang dictionary to practice.

Learn how to define and call Kotlin functions with parameters, return values, defaults, named parameters, string interpolation, and shorthand forms, plus a dog info example.

Explore Kotlin classes, properties, and constructors, including init blocks and multiple constructors; create and modify a dog object with a fur color property and an info function.

Explore nullable and knowable types in Kotlin, using ? and !! to manage null values and perform null checks. See examples with age and dog objects.

Build your first Kotlin app in Android Studio by creating a Kotlin-enabled project, wiring a text view, and implementing a plus one and reset counter.

Discover how to integrate Java and Kotlin in the same Android Studio project and make them coexist. Convert Java files to Kotlin and gradually adopt Kotlin with file-by-file conversions.

Explore how to build an Android app that discovers nearby Bluetooth devices and retrieves their name and address, with guidance for testing on a physical device.

Learn the basics of Bluetooth in Android by building a Bluetooth finder app, wiring a list view, status text view, and search button, and testing on a physical device.

Configure the bluetooth adapter and start discovery, request bluetooth and bluetooth admin permissions, and implement an intent filter with a broadcast receiver to handle discovery started and discovery finished.

Write code to handle a found Bluetooth device, extract its name, address, and RSI, and log these details for later display in a list view.

Build a dynamic bluetooth device list by populating a list view with an array adapter and an array list of devices, showing names or addresses and the RSSI in dBm.