Android App Development Masterclass using Kotlin 

Introduction

The Udemy Interface

Introduction to Android

FAQ

Windows - Install Android Studio

Do you need to download the Java development Kit?

Java Development Kit for Windows (32Bit Users Only!)

Mac - Install Android Studio

Linux - Install Android Studio

Java Development Kit for Linux (32Bit Users Only!)

Configure Android SDK on all Three Platforms

Android Studio Settings

Enable VT-X in BIOS

Your Programming Careers Questions Answered

Access to Programming Career Q&A

Introduction

Android Studio Templates

More on Android Templates

Hello World

Tour of Android Studio

Setting Up a Virtual Device

FAQ: Emulators on Windows 10 with AMD processor

Running on an emulator

Running on a physical Android device

FAQ for Android Studio 3.3

Kotlin Tutorial Setup

Kotlin Tutorial 1

Variables and Types

More on Variables and Types

String Concatenation and Interpolation

val and var and more on Declarations

Conditions

Classes

Objects and Instances

Challenge

Lists

More on Lists

toString Challenge

for Loops

for Encapsulation and Private Properties

Overloading Functions

Inheritance

More on Inheritance

Inheritance Continued

Further Inheritance

while Loops

for Loop Revisited

do while Loop

Loop Challenge

Introduction

Setup Play Project

The Constraint Layout

Constraints and Resizing

Positioning Widgets

Inner Lines within a Widget

Layouts on Different Devices

More on the Constraints

Layout Designer rendering error

Baseline Constraints

Constraining Widgets

Add Scrolling Capabilities

The Button Counter App

Finish Layout

Coding Button Counter App

findViewById and r Class

Events and setonclicklistener

Testing and Challenge Time

Extending the Button App

Testing and Challenge

Fixing Kotlin Gradle Issues

The Activity Lifecycle

The Logcat Pane

Logging the Activity Lifecycle

Activity Lifecycle in Action

Saving and Restoring Instance State

Demo Calculator App

Calculator Interface Setup

Continue with Interface

Fine Tuning the Layout

Create Landscape Layout

Comparing FIles with Diff

Comparing Directories

Coding the Calculator

Add onClickListeners

Write Perform Operation Function

Bug Fix and Code Improvements

Bug Fix Challlenge and Save State

Widget References in Kotlin

Guidelines

Fixing Landscape Layout

Add Neg Button to Layout

Code Changes for Neg Button

Add Neg Button to Portrait

Introduction

FAQ: Apple's RSS Feeds

AsyncTask

Logging and Logcat

Important note for API 28 and the Top 10 Downloader

Download the RSS Feed

Reading the Data

Android Permissions

Writing Idiomatic Kotlin

More Idiomatic Kotlin

Parsing the Data

Create Xml Parse Function

Testing the App

ListView and ArrayAdapter

Code Changes for Array Adapter

onDestroy and Asynctask

Create Custom Adapter

Custom Adapter Code

Improving the Adapter

ViewHolder Pattern

Adding a Menu - Layout

Adding A Menu - Code

Menu Groups - Layout

Menu Groups - Code

Challenge Solution

Setup

YouTube Activity

Adding Widgets Dynamically

Google API Key

Add Key to Code

The YouTube Player

onInitializationSuccess Method

Adding Listeners

Improving the Player

Extending App Layouts

Extending Youtube App Code

Implementing Intents and Challenge

Challenge Solution

More Error Handling

Introduction

Flick App and Feeds

Json and Mini challenge

Log Tag and Companion Objects

Kotlin top-level constants

Download JSON - doInBackground

Downloading the JSON

CallBacks

Project Diagram and Photo Class

GetFlickJsonData class

GetFlickrJsonData class continued

Uri Builder

Flickr Browser User Inferface

RecyclerView Layouts

Finishing Browse Layout

Search and PhotoDetail Activities

Nested Layouts

Recyclerview Adapter

onBindViewHolder and Picasso

Associate Adapter to Recyclerview

RecyclerItemClickListener

GestureDetector

Displaying the full photo

Serializable

Modify Photo Details Activity

Parcelable

Material Design

More on Material Design

AppCompat - Backwards Compatibility

Style Sheets

Custom Style Sheets

Namespaces

Other Material Design Changes

Missing Style Editor video

Style Editor

Differences in API Levels

String Resources

String Resources Placeholders

Adding the Search Feature

SearchView

More on SearchView

SearchView Events

SharedPreferences

Telling Fibs

Introduction

Introduction to Databases

Database Terminology

Command Line and Path Setup for Windows

Command Line and Path Setup for Mac

Command Line and Path Setup for Ubuntu Linux

Introduction to Sqlite

More SQL with Sqlite

Sqlite Querying Data

Order By and Joins

More Complex Joins

Wild Cards and Views

Housekeeping and Challenge

Basic SQL in Android

Create Table Add Data and Test

Cursor and Navigation

Correction

Android File System

Content Providers

Setting up the Emulators

Contact Provider App Layout

The ContactsContract

ContentResolver and Abstraction

Retrieving Data with a ContentResolver

Permissions

Checking Permissions at Runtime

Testing the App

Avoiding Crashes Snackbars and a Challenge

More on Snackbars

Intents, setData and Uris

Problems Storing State

Remove Saving of State

Test Scripts Challenge and Cleanup

Introduction

Androids ViewModel Class

Using a ViewModel

Finish ViewModel Changes

Exposing LiveData

Swapping the ViewModel

ViewModel with Top 10 Downloader

Implement ViewModel

Final Changes

App Testing

The TaskTimer Application

Database Setup

Creating a Fragment

Tasks Contract Class

AppDatabase Class

Create SQL for Tasks Table

Singleton AppDatabase Class

onUpgrade and Testing

The ContentProvider

FAQ: context in a ContentProvider

uriMatcher

Updating Build Files

The Content URI

Register the ContentProvider

Using appendWhereEscapeString

Mime Types in the Content Provider

Content Provider Insert

Update and Delete

Testing Insert and Update

Testing Bulk Update and Delete

Main Menu UI

Task UI Layout

Task List Items Constraints

Add / Edit Layout

The Kotlin Data Class

The Add / Edit Fragment

Swapping Fragments

Multi-pane Fragments

Multi-pane Displays

Enabling Two-pane Mode

The Fragment Lifecycle Part 1

The Fragment Lifecycle Part 2

Logging the Fragment Lifecycle

Android SDK Gradle and Kotlin Updates

Up and Back Navigation for Fragments

Object can have More than One Type

Removing the Up Button

Back Navigation

Completing the AddEdit UI

Saving the Task Details

Test Saving

Updating Android Studio, Kotlin, and Gradle

Fixing New Kotlin Warnings

Layout Container

RecyclerView CursorAdapter

Introducing David Reidy

Tricky String Resources

The ViewModel Class

Subscribe to The ViewModel

Notifications and Observers

Responding to Taps

onClick Listeners, Interfaces and Callbacks

Responding to Clicks from the Adapter

Solution to The Interface Challenge

Deleting a Task from The Database

Accessing a Database on a Background Thread

Background Processing Using a Coroutine

Clean Up AddEditFragment

Saving in The ViewModel

Sharing ViewModel Instances

AndroidX

Introduction to Dialogs

AppDialog Class Part 1

AppDialog Class Part 2

Adding a Dialog to The App

Dialog CallBacks

Asserts and BuildConfig

Strange Dialog Behavior

Confirming Exit Without Saving

Implementing the Interface

Kotlin Extension Functions

Image Asset Studio

Create an About Dialog the Layout Part 1

Create an About Dialog the Layout Part 2

Displaying the About Dialog

Versioning and build.gradle

Dismissing the Dialogue

Supporting Older Versions

Compatibility Challenge Solution Part 1

Compatibility Challenge Solution Part 2

Introduction

Settings Dialog Layout

Settings Dialog

DefaultSharedPreferences

SeekBar Values

Quantity String Resources

Setting Dialog Title

Retain Instance State

Introduction

A Correction and the Device File Explorer

Database Updates

Saving the Timing Data

The saveTiming Function

Testing Timings

Providing Feedback

Data Loss

Storing the Current Timing Records

Solution - Retrieving the Current Time Record

Solution Continued

Finish Solution and Test

When the Battery Dies

Source Code

Bonus Lecture and Information