The Complete Android N Developer Course

Explore section two by downloading Android Studio, exploring the interface, and building a first interactive app with text views, buttons, and images, ending with a currency converter in the emulator.

download and install Android Studio on macOS from developer.android.com/studio, then drag it into Applications after agreeing to terms; it provides a coding environment and an emulator to run Android apps.

Install android studio on windows to access Google's development environment and simulator, see your apps run locally, and complete the setup wizard with standard options while accepting terms.

Open the sample Android projects in two ways: from the Android Studio menu quick link or by importing the downloaded project via its build.gradle, then access the app structure.

Explore how to format text in Android by customizing the text view with alignment, margins, background, alpha, fonts, and styles, using dp and sp for responsive layouts.

Add a button to your android app and use onClick to trigger a camelcase function, then log a message with Log.i when the button (a view) is pressed.

Learn to create and configure text fields in Android, use hints, align them under a button, read user input with edit text, and log username and password on login.

Create interactive Android apps by displaying messages with toasts. Learn to show text on the screen using toast with main activity context and user input from a text field.

Learn to add images in Android apps with an image view and drawable folder, resize images, and switch between two cat images with a button.

Build a currency converter app in Android Studio that converts a dollar amount to pounds using a double and 0.75 rate, then shows a two-decimal toast.

Dive into Java fundamentals in Android Studio, exploring variables, arrays, maps, if statements, loops, and classes while building real apps like the higher or lower game and Number Shapes.

Learn how to write a first Java program by creating a public class with a main method, using static and void, and printing Hello World to the console.

Learn how to declare and use variables in Java, exploring int, double, boolean, and String types, printing values with System.out.println, and using methods like length and string concatenation.

Explore arrays, lists, and maps in Java, learning creation, zero-based indexing, and manipulation with prime numbers, using array lists, hash maps, add, get, remove, and size.

Learn how to use if statements in Java to test conditions, compare numbers and ages, and use else and else if, including double equals for equality and basic array tests.

Build a higher or lower game in Android Studio with Java by generating a random number between 1 and 20, parsing user input, and using if statements to guide guesses.

Master loop constructs in Java, including while, for, and for-each loops, and learn to iterate over arrays and array lists to print numbers, multiples, and triangular numbers.

Explore how classes act as blueprints for objects, create a user class with a score and a win-check method, and implement a number class with isPositive.

Develop the number shapes app in an object oriented Java style using a Number class with isTriangular and isSquare to classify numbers as triangular, square, both, or neither.

Advance your Android N skills by mastering layouts. Build a connect three game, explore audio and video, and use the grid layout tool for a basic phrases translations app.

Master Android layouts and flexible designs that adapt to various screen sizes using relative and linear layouts. Compare drag-and-drop with XML coding, center buttons, and arrange side-by-side via horizontal layouts.

Build a connect three game for android using a 3x3 grid and tic tac toe logic with drop-down animations and red or yellow counters.

Add a video to your Android app with just a couple lines of code by placing an mp4 in res/raw, wiring a video view, and attaching a media controller.

In this lecture, learn to build a simple Android audio player with play and pause controls using MediaPlayer and a raw resource file.

Add a volume slider and a scrubber seek bar to control audio in an Android app, using an audio manager, seek bar listener, and override of on progress changed.

Explore grid layouts in Android by building an eight-button grid that stretches to the full screen, laying out equal-sized cells for a basic phrases app.

Create an Android basic phrases app with a grid layout that plays audio when tapped, using a single onClick handler and resource IDs to map to mp3s in raw.

Advance your Android development skills by exploring list views, timers, UI show/hide, and Json processing to build the egg timer app. Plan a weather app and prepare for Google Play.

Learn how to create and populate an Android list view with an array adapter, handle item clicks, log selections, and show toasts for tapped names.

Develop a times tables app by combining a seek bar with a list view to display 1–20 times tables, with minimum value handling and dynamic updates.

Learn to implement timers in Android using handlers and runnables with postDelayed for periodic execution, and countdown timer for countdown events, with practical logs.

Build an egg timer app with a countdown timer, a seek bar to set time, an egg image, a timer display, and a go button that plays an air horn.

Build a brain trainer app that generates 30-second addition quizzes with a start button, countdown timer, scoring, four answer choices, and a play again option.

Use try and catch to prevent app crashes by handling errors, including array index out of bounds, and safely manage web content downloads with targeted exception handling.

Learn to download web content in Android apps by running tasks on a background thread. Use async task, URL connections, and input streams while logging and handling permissions.

Learn to download images in an Android app by wiring a button to fetch and display a bitmap in an image view, log taps, and use AsyncTask with HttpURLConnection.

Learn to extract celebrity names and image URLs from HTML using advanced string manipulation in Java, employing split, substring, and regex to power a guess the celebrity app.

Build a 'guess the celebrity' Android app that fetches celebrity images and names from posh24.com/celebrities and presents a random image with four answer buttons.

Learn to fetch json data from the openweathermap weather api in android, parse the response into json objects and arrays, and extract weather main and description fields for display.

Build a weather app that fetches json data from the Openweathermap API, encodes city names, updates the UI with weather, and uses an Unsplash background while handling errors.

Finish section five by applying hands-on skills in downloading material, timers, lists, views, and try and catch, then publish a real Android app to Google Play for practice.

Explore maps and geolocation by learning to show the user’s location on a map and build two location-based apps, Hikers watch and memorable places, in section six.

Learn to integrate maps in your android apps by creating a Google Maps activity, obtaining an API key, and displaying a centered marker with a map view.

Customize Android maps by centering on a location, adding markers with custom icons and titles, adjusting zoom levels, and switching to satellite or hybrid map types.

Learn how to request location permissions and fetch the user’s location on Android, using a location manager and location listener to log updates and enable future map centering.

Create an Android app that centers a Google Maps map on the user's location by requesting runtime permissions, tracking location updates, and updating the map marker.

Learn reverse geocoding by converting latitude and longitude to a street address using a geocoder, locale settings, and location data, then display the result as a toast and log it.

Build an Android app called Hikers Watch to display GPS location with accuracy. Show altitude and address using a geocoder and a full screen background image with runtime permissions.

Learn how to add a second activity in Android, navigate between activities with intents, and pass and receive data via extras (getStringExtra) to display or toast in the second activity.

Build a memorable places app with maps, user location, geocoding to save and view places. Enable long-press markers, list and maps navigation, and inter-activity data sharing for a complete experience.

Master permanent data storage by exploring simple persistent storage and database-backed solutions. Build a note-taking app and a blog reader to keep user settings and high scores across sessions.

Discover how to store data permanently in Android apps with shared preferences, including serializing arrays. See this in action through notes and memorable places apps.

Add a top-right menu to your Android app by creating a menu resource, inflating it in onCreateOptionsMenu, and handling selections in onOptionsItemSelected for settings and help.

Learn to create alert dialogs in Android with the alert dialog builder, handle user choices via buttons, and save language preferences permanently using shared preferences.

Build a note taking app using shared preferences, menus, and alert dialogs. Display notes in a list, edit in a full-screen multi-line editor, and save changes with shared preferences.

Learn how to use SQLite in Android to store, query, and update data by creating a database and tables. Insert records and read them with a cursor.

Master advanced sqlite queries, including where clauses, and, like, limit, and practical updates and deletes, plus creating tables with primary keys and auto increment.

Learn to display web content in your Android apps with a WebView, enable JavaScript, set a WebView client, and load URLs or HTML data.

Build an offline newsreader app that downloads top Hacker News stories, stores article titles and urls in an sql database, and displays content via a web view.

Move from learning specific skills to building big apps by creating an Instagram-like clone with cloud storage for user data and photos. Set up a Parse server on a free AWS instance, connect to the Android app, then implement login and signup, a user list, and photo sharing.

Set up parse server on amazon web services with bitnami pass server, connect an android studio project, and learn to store and view data on the hosted server.

Save, restore, and search pass objects on an AWS-hosted pass server by creating score and tweet classes, using save in background with callbacks, and querying data.

Explore pass server queries to search and retrieve score data with where clauses and get in background, then update scores, adding 50 for scores above 200, via the pass dashboard.

Sign up, log in, and log out users with pass, using pass user, current user checks, and callbacks to build authentication for the Android N app.

Create a login and sign-up screen for android, validate username and password, handle sign up and login with backend messages, and toggle modes using a clickable text view.

Implement an on key listener to trigger login on enter, prevent submission with key-down checks, and dismiss the keyboard by tapping the background or logo via the input method manager.

Learn to import photos from the camera using a media store intent, handle marshmallow permissions, convert the image to a bitmap, display it, and upload to the pass server.

Create an instagram-style feed viewer: view others’ photos via a user feed activity, load images with parse queries, and add a logout option.

Develop an Android Uber clone by integrating geo location, maps, and Parse Server, with separate rider and driver modules that communicate, guided step by step.

Build an Uber clone by integrating maps and GPS with a cloud backend on AWS EC2, configure Pass server, connect the Android project, and troubleshoot session tokens.

Build an Uber login screen for an Android app using pass server anonymous login, a rider and driver switch, and a get started action that redirects based on user type.

Build rider activity with Google Maps centered on the user and a call or cancel Uber button that toggles a rider request stored as a geo point including the username.

Enable the driver to see nearby requests, view and accept them, and navigate via Google Maps, while updating the server and displaying driver and user locations on a map.

Connects the driver and rider by saving the driver's location to the backend and displaying it on the rider's map, updating the distance every two seconds and handling arrival.

In section ten of the complete Android N developer course, build an Android game using the GD framework, cloning Flappy Bird with sprites, backgrounds, scoring, and a game over screen.

Develop an Android game by building a Flappy Bird clone with Libgdx, using Java, a spritebatch, textures, and a render loop to implement collision detection, animation, and scoring.

Add sprites to Flappy Bird app by loading assets and drawing a full-screen background with a sprite batch. Center the bird and animate with two textures; set portrait in manifest.

Tap the screen to affect the flappy bird, log touches, and implement a gravity-based motion using bird y, velocity, and a game state to drive gameplay.

Discover collision detection by modeling the bird as a circle, and pipes as rectangles, using intersector.overlaps to detect collisions and trigger game over as tubes reset offscreen to the right.

Implement a scoring system for Flappy Bird game by tracking an active scoring tube, incrementing the score when it passes the center, and rendering it with a white bitmap font.

Add a game over screen to the Android flappy bird game, show a game over texture on collision, and enable tap-to-restart with a reset of score, bird position, and tubes.