Learning Path Android app Developer

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Learning Path: Android App Developer

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Genre: Development / Programming

 

This Learning Path includes Android 6 App Development LiveLessons, Part 1 and 2.

 

Part I

Android 6 App Development Fundamentals Part I: Introduction

BeforeYouBegin: Setting Up Your Development Environment

Intro

Lesson 1:Test-Driving the Doodlz App

Overview of Lesson 1

Ensuring that the correct Android platform is installed

Opening the Tip Calculator App's Project in Android Studio

Creating Android Virtual Devices (AVDs) for testing Android apps

Test-Driving the Doodlz App on an AVD

Test-Driving the Doodlz App on a device

Lesson 2: Welcome App

Overview of Lesson 2

Test-driving the Welcome app

Technologies Overview

Creating a new Android project

Andoid Studio Window

Adding an image to the Project

Adding an App Icon

Changing the RelativeLayout to a LinearLayout

Configuring the LinearLayout's id and orientation Properties

Configuring the TextView's id and text Properties

Configuring the TextView's textSize Property

Configuring the TextView's textColor Property

Configuring the TextView's gravity Property

Configuring the TextView's layout:gravity Property

Configuring the TextView's layout:weight Property

Adding an ImageView to Display the Image

Testing the Completed Design on a Phone and a Tablet

Making Your App Accessible

Localizing the Welcome App for Spanish

Executing the Localized App on an AVD and on a Device

Lesson 3: Tip Calculator App

Overview of Lesson 3

Test-Driving the Tip Calculator App

Technologies Overview: Class Activity

Technologies Overview: Activity Lifecycle Methods

Technologies Overview: AppCompat Library and class AppCompatActivity

Technologies Overview: Arranging Views in a GridLayout; Creating and Customizing the GUI with the Layout Editor, the Component Tree and the Properties Window

Technologies Overview: Formatting Numbers as Locale-Specific Currency and Percentage Strings

Technologies Overview: Implementing Interface TextWatcher for Handling EditText Text Changes and Implementing Interface SeekBar.OnSeekBarChangeListener for Handling SeekBar Thumb Position Changes

Technologies Overview: Material Themes

Technologies Overview: Material Design-Elevation and Shadows

Technologies Overview: Material Design-Colors

Technologies Overview: AndroidManifest.xml

GridLayout introduction

Creating the TipCalculator Project

Changing to a GridLayout

Adding the TextViews, EditText and SeekBar: Adding Views to the First Row

Adding the TextViews, EditText and SeekBar: Adding Views to the Second Row

Adding the TextViews, EditText and SeekBar: Adding Views to the Third Row

Adding the TextViews, EditText and SeekBar: Adding Views to the Fourth Row

Customizing the Views: Specifying Literal Text

Customizing the Views: Right Aligning TextViews in the Left Column

Customizing the Views: Configuring the amountEditText

Customizing the Views: Configuring the amountTextView

Customizing the Views: Configuring the percentTextView

Customizing the Views: Configuring the percentSeekBar

Customizing the Views: Configuring the tipTextView and totalTextView

Customizing the Theme's Primary, Primary Dark and Accent Colors

Adding the App's Logic: package and import Statements

Adding the App's Logic: MainActivity Subclass of AppCompatActivity

Adding the App's Logic: Class Variables and Instance Variables

Adding the App's Logic: Overridding Activity Method onCreate

Adding the App's Logic: MainActivity Method calculate

Adding the App's Logic: Anonymous Inner Class That Implements Interface OnSeekBarChangeListener

Adding the App's Logic: Anonymous Inner Class That Implements Interface TextWatcher

AndroidManifest.xml: Setting Portrait Mode and Forcing the Keypad to Display

Lesson 4: Flag Quiz Game App

Overview of Lesson 4

Test-Driving the Flag Quiz App

Technologies Overview: Menus

Technologies Overview: Fragments

Technologies Overview: Fragment Lifecycle

Technologies Overview: Managing Fragments

Technologies Overview: Preferences

Technologies Overview: assets Folder

Technologies Overview: Resource Folders

Technologies Overview: Supporting Different Screen Sizes and Resolutions

Technologies Overview: Programmatically Determining Device Orientation

Technologies Overview: Toasts for Displaying Messages

Technologies Overview: Using a Handler to Execute a Runnable in the Future

Technologies Overview: Applying an Animation to a View

Technologies Overview: Using ViewAnimationUtils to Create a Circular Reveal Animator

Technologies Overview: Specifying Colors Based on a View's State Via a Color State List

Technologies Overview: AlertDialog

Technologies Overview: Logging Exception Messages

Technologies Overview: Launching Another Activity Via an Explicit Intent

Technologies Overview: Java Data Structures

Technologies Overview: Java SE 7 Features

Technologies Overview: AndroidManifest.xml-Declaring New Activities and Specifying the Launch Mode of an Activity

Creating the Flag Quiz Project

Blank Activity Template Layouts

Configuring Java SE 7 Support

Adding the Flag Images to the Project

strings.xml and Formatted String Resources

arrays.xml

colors.xml

button_text_color.xml: Defining a Color State List

Editing menu_main.xml

Creating a Flag Shake Animation

preferences.xml for Specifying the App's Default Settings

Adding Classes SettingsActivity and SettingsActivityFragment

activity_main.xml Layout for Devices in Portrait Orientation

Designing fragment_main.xml

Designing fragment_main.xml: Step 1, Changing from a RelativeLayout to a LinearLayout

Designing fragment_main.xml: Step 2, Adding the questionNumberTextView to the LinearLayout

Designing fragment_main.xml: Step 3, Adding the flagImageView to the LinearLayout

Designing fragment_main.xml: Step 4, Adding the guessCountryTextView to the LinearLayout

Designing fragment_main.xml: Step 5, Adding the Buttons to the LinearLayout

Designing fragment_main.xml: Step 6, Adding the answerTextView to the LinearLayout

Designing fragment_main.xml: Step 7, Setting the Properties of the Buttons

content_main.xml Layout for Tablet Landscape Orientation: Creating the Tablet Layout

content_main.xml Layout for Tablet Landscape Orientation: Creating the Tablet Layout's GUI

content_main.xml Layout for Tablet Landscape Orientation: Selecting a Fragment to Preview in the Layout Editor's Design View

MainActivity Class: package Statement and Import Statements

MainActivity Class: Fields

MainActivity Class: Overridden Activity Method onCreate

MainActivity Class: Overridden Activity Method onStart

MainActivity Class: Overridden Activity Method onCreateOptionsMenu

MainActivity Class: Overridden Activity Method onOptionsItemSelected

MainActivity Class: Anonymous Inner Class That Implements OnSharedPreferencesChangeListener

MainActivityFragment Class: package Statement and import Statements

MainActivityFragment Class: Fields

MainActivityFragment Class: Overridden Fragment Method onCreateView

MainActivityFragment Class: Methods updateGuessRows

MainActivityFragment Class: Method updateRegions

MainActivityFragment Class: Method resetQuiz

MainActivityFragment Class: Method loadNextFlag

MainActivityFragment Class: Method getCountryName

MainActivityFragment Class: Method animate

MainActivityFragment Class: Anonymous Inner Class That Implements onclickListener

MainActivityFragment Class: Method disableButtons

SettingsActivity Class

SettingsActivityFragment Class

AndroidManifest.xml: Declaring Other Activities and Configuring the Launch Mode

Part II

Android 6 App Development Fundamentals Part II: Introduction

Lesson 5: Doodlz App

Overview of Lesson 5

Test-Driving the Doodlz App

Technologies Overview: Activity and Fragment Lifecycle Methods

Technologies Overview: Custom Views

Technologies Overview: Using SensorManager to Listen for Accelerometer Events

Technologies Overview: Custom DialogFragments

Technologies Overview: Drawing with Canvas, Paint and Bitmap

Technologies Overview: Processing Multiple Touch Events and Storing Lines in Paths

Technologies Overview: Saving to the Device

Technologies Overview: Printing and the Android Support Library's PrintHelper Class

Technologies Overview: Android 6.0 (Marshmallow) Permissions Model

Technologies Overview: Adding Dependences to a Project Using Gradle

Creating the Doodlz Project and Adding the App Icon

Removing unused GUI Components and Code, and Changing the Theme Colors

Gradle: Adding a Support Library to the Project

strings.xml

Importing the Material Design Icons for the App's Menu Items

MainActivityFragment Menu

Adding a Permission to AndroidManifest.xml

content_main.xml Layout for MainActivity

fragment_main.xml Layout for MainActivityFragment

fragment_color.xml Layout for ColorDialogFragment

fragment_line_width.xml Layout for LineWidthDialogFragment

Adding Class EraseImageDialogFragment

MainActivity Class

MainActivityFragmentclass: package Statement, import Statements and Fields

MainActivityFragmentclass: Overridden Fragment Method onCreateView

MainActivityFragmentclass: Overridden Fragment Method onResume and Method enableAccelerometerListening

MainActivityFragmentclass: Overridden Fragment Method onPause and Method disableAccelerometerListening

MainActivityFragmentclass: Anonymous Inner Class for Processing Accelerometer Events

MainActivityFragmentclass: Method confirmErase

MainActivityFragmentclass: Overridden Fragment Methods onCreateOptionsMenu and onOptionsItemSelected

MainActivityFragmentclass: Method saveImage

MainActivityFragmentclass: Overridden Method onRequestPermissionResult

MainActivityFragmentclass: Methods getDoodleView and setDialogOnScreen

DoodleView.java-package Statement and import Statements

DoodleView.java-DoodleView static and Instance Variables

DoodleView.java-DoodleView Constructor

DoodleView.java-Overridden View Method onSizeChanged

DoodleView.java-DoodleView Methods clear, setDrawingColor, getDrawingColor, setLineWidth and getLineWidth

DoodleView.java-Overridden View Method onDraw

DoodleView.java-Overridden View Method onTouchEvent

DoodleView.java-touchStarted Method of Class DoodleView

DoodleView.java-touchMoved Method of Class DoodleView

DoodleView.java-touchEnded Method of Class DoodleView

DoodleView.java-DoodleView Method saveImage

DoodleView.java-DoodleView Method printImage

ColorDialogFragment.java-package Statement, import Statements and Fields

ColorDialogFragment.java-Overridden DialogFragment Method onCreateDialog

ColorDialogFragment.java-Method getDoodleFragment

ColorDialogFragment.java-Fragment Lifecycle Methods onAttach and onDetach

ColorDialogFragment.java-Anonymous Inner Class That Responds to the Events of the Alpha, Red, Green and Blue SeekBars

LineWidthDialogFragment Class

EraseImageDialogFragment Class

Lesson 6: Cannon Game App

Overview of Lesson 6

Test-Driving the Cannon Game App

Technologies Overview-Using the res/raw folder

Technologies Overview-Activity/Fragment onDestroy Method

Technologies Overview-Touch event handling

Technologies Overview-SoundPool and AudioManager

Technologies Overview-Frame-by-Frame Animation with Threads, SurfaceView and SurfaceHolder

Technologies Overview-Simple Collision Detection

Technologies Overview-Immersive Mode

Creating the Project and Setting the App for Landscape Orientation

Adjusting the Theme to Remove the App Title and App Bar

strings.xml

Colors

Adding Sounds to the App

Adding Class MainActivityFragment

Editing activity_main.xml

Adding the CannonView to fragment_main.xml

Overview of This App's Classes

MainActivity Subclass of AppCompatActivity

MainActivityFragment Subclass of Fragment

Class GameElement-Instance Variables and Constructor

Class GameElement-Methods update, draw and playSound

Blocker Subclass of GameElement

Target Subclass of GameElement

Cannon Class-Instance Variables and Constructor

Cannon Class-Method align

Cannon Class-Method fireCannonball

Cannon Class-Method draw

Cannon Class-Methods getCannonball and removeCannonball

Cannonball Subclass of GameElement-Instance Variables and Constructor

Cannonball Subclass of GameElement-Methods getRadius, collidesWith, isOnScreen and reverseVelocityX

Cannonball Subclass of GameElement-Method update

Cannonball Subclass of GameElement-Method draw

CannonView Subclass of SurfaceView-package and import Statements

CannonView Subclass of SurfaceView-Instance Variables and Constants

CannonView Subclass of SurfaceView-Constructor

CannonView Subclass of SurfaceView-Overriding View Method onSizeChanged

CannonView Subclass of SurfaceView-Methods getScreenWidth, getScreenHeight and playSound

CannonView Subclass of SurfaceView-Method newGame

CannonView Subclass of SurfaceView-Method updatePositions

CannonView Subclass of SurfaceView-Method alignAndFireCannonball

CannonView Subclass of SurfaceView-Method showGameOverDialog

CannonView Subclass of SurfaceView-Method drawGameElements

CannonView Subclass of SurfaceView-Method testForCollisions

CannonView Subclass of SurfaceView-Methods stopGame and releaseResources

CannonView Subclass of SurfaceView-Implementing the SurfaceHolder.Callback Methods

CannonView Subclass of SurfaceView-Overriding View Method onTouchEvent

CannonView Subclass of SurfaceView-CannonThread: Using a Thread to Create a Game Loop

CannonView Subclass of SurfaceView-Methods hideSystemBars and showSystemBars

Lesson 7: WeatherViewer App

Overview of Lesson 7

Test-Driving the WeatherViewer App

Technologies Overview-Web Services

Technologies Overview-javascript Object Notation (JSON) and the org.json Package

Technologies Overview-HttpUrlConnection Invoking a REST Web Service

Technologies Overview-Using AsyncTask to Perform Network Requests Outside the GUI Thread

Technologies Overview-ListView, ArrayAdapter and the View-Holder pattern

Technologies Overview-FloatingActionButton

Technologies Overview-TextInputLayout

Technologies Overview-Snackbar

Creating the Project

AndroidManifest.xml-Setting the Orientation and Permissions

strings.xml

colors.xml

Editing activity_main.xml

Editing content_main.xml

Creating list_item.xml

Weather Class: package Statement, import Statements and Instance Variables

Weather Class: Constructor

Weather Class: Method convertTimeStampToDay

WeatherArrayAdapter Class: package and import Statements

WeatherArrayAdapter Class: Nested Class ViewHolder

WeatherArrayAdapter Class: Instance Variable and Constructor

WeatherArrayAdapter Class: Overridden ArrayAdapter Method getView

WeatherArrayAdapter Class: Nested AsyncTask Subclass for Downloading Images in a Separate Thread

MainActivity Class: package and import Statements

MainActivity Class: Instance Variables

MainActivity Class: Overridden Activity Method onCreate

MainActivity Class: Methods dismissKeyboard and createUrl

MainActivity Class: Nested AsyncTask Subclass for Invoking a Web Service

MainActivity Class: Method convertJSONtoArrayList

Lesson 8: Twitter Searches App

Overview of Lesson 8

Test-Driving the Twitter Searches App

Technologies Overview-Storing Key-Value Data in a SharedPreferences File

Technologies Overview-Implicit Intents and Intent Choosers

Technologies Overview-RecyclerView

Technologies Overview-RecyclerView.Adapter and RecyclerView.ViewHolder

Technologies Overview-RecyclerView.ItemDecoration

Technologies Overview-Displaying a List of Options in an AlertDialog

Creating the Twitter Searches Project

AndroidManifest.xml-Prevent Keyboard from Displaying Initially

Adding the RecyclerView Library to the Project.

colors.xml

strings.xml

arrays.xml

dimens.xml

Adding the Save Button Icon

activity_main.xml-Customizing the FloatingActionButton

content_main.xml Step 1-Adding the queryTextInputLayout and Its Nested EditText

content_main.xml Step 2-Adding the tagTextInputLayout and Its Nested EditText

content_main.xml Step 3-Adding the LinearLayout

content_main.xml Step 4-Adding the LinearLayout's Nested TextView and RecyclerView

RecyclerView Item's Layout-list_item.xml

MainActivity.java-package and import statements

MainActivity.java-Fields

MainActivity.java-Overriding Activity Method onCreate

MainActivity.java-TextWatcher Event Handler and Method updateSaveFAB

MainActivity.java-saveButton's onclickListener

MainActivity.java-addTaggedSearch Method

MainActivity.java-Anonymous Inner Class that Implements the ListView's OnItemClickListener to Display Search Results

MainActivity.java-Anonymous Inner Class that Implements the View.OnItemLongClickListener to Share, Edit or Delete a Search

MainActivity.java-shareSearch Method

MainActivity.java-deleteSearch Method

SearchesAdapter.java-package Statement, import Statements, Instance Variables and Constructor

SearchesAdapter.java-Nested ViewHolder Subclass of RecyclerView.ViewHolder

SearchesAdapter.java-Overridden RecyclerView.Adapter Methods

ItemDivider.java-ItemDivider Subclass of RecyclerView.ItemDecoration

Lesson 9: AddressBook App

Overview of Lesson 9

Test-Driving the Address Book App

Technologies Overview-Displaying Fragments with FragmentTransactions

Technologies Overview-Communicating Data Between a Fragment and a Host Activity

Technologies Overview-Manipulating a SQLite Database

Technologies Overview-ContentProviders and ContentResolvers

Technologies Overview-Loader and LoaderManager: Asynchronous Database Access

Technologies Overview-Defining Styles and Applying Them to GUI Components

Technologies Overview-Specifying a TextView's Background

Creating the Project

Creating the App's Classes

Adding the App's Icons

strings.xml

Defining common look-and-feel: styles.xml

Defining a TextView Border: textview_border.xml

MainActivity's content_main.xml for Phones and Tablets

ContactsFragment's Layout: fragment_Contacts.xml

DetailFragment's Layout: fragment_details.xml

AddEditFragment's Layout: fragment_add_edit.xml

Defining DetailFragment Menu

Overview of This App's Classes

DatabaseDescription Class

AddressBookDatabaseHelper Class

AddressBookContentProvider Class-Fields

AddressBookContentProvider Class-Overridden Methods onCreate and getType

AddressBookContentProvider Class-Overridden Method query

AddressBookContentProvider Class-Overridden Method insert

AddressBookContentProvider Class-Overridden Method update

AddressBookContentProvider Class-Overridden Method delete

MainActivity.java-Superclass, Implemented Interfaces and Fields

MainActivity.java-Overridden Activity Method onCreate

MainActivity.java-ContactsFragment.ContactsFragmentListener Methods

MainActivity.java-Method displayContact

MainActivity.java-Method displayAddEditFragment

MainActivity.java-DetailFragment.DetailFragmentListener Methods

MainActivity.java-AddEditFragment.AddEditFragmentListener Methods

ContactsFragment.java-Superclass and Implemented Interface

ContactsFragment.java-ContactsFragmentListener Nested Interface

ContactsFragment.java-Fields

ContactsFragment.java-Overridden Fragment Method onCreateView

ContactsFragment.java-Overridden Fragment Methods onAttach and onDetach

ContactsFragment.java-Overridden Fragment Method onActivityCreated

ContactsFragment.java-Method updateContactList

ContactsFragment.java-LoaderManager.LoaderCallbacks Methods

ContactAdatper Class

AddEditFragment.java-Superclass and Implemented Interface

AddEditFragment.java-AddEditFragmentListener Nested Interface

AddEditFragment.java-Fields

AddEditFragment.java-Overridden Methods onAttach, onDetach and onCreateView

AddEditFragment.java-TextWatcher nameChangedListener and Method updateSaveButtonFAB

AddEditFragment.java-View.onclickListener saveContactButtonclicked and Method saveContact

AddEditFragment.java-LoaderManager.LoaderCallbacks Methods

DetailFragment.java-Superclass and Implemented Interface

DetailFragment.java-DetailFragmentListener Nested Interface

DetailFragment.java-Fields

DetailFragment.java-Overridden Methods onAttach, onDetach and onCreateView

DetailFragment.java-Overridden Methods onCreateOptionsMenu and onOptionsItemSelected

DetailFragment.java-Method deleteContact and DialogFragment confirmDelete

DetailFragment.java-LoaderManager.LoaderCallbacks Methods

 

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