Basic data types

Definition of variables and reasons for using them

Naming, defining and initializing variables

Use variables to simplify calculations

Use variables to store multiple types of data

variable scope

Wrapper classes for basic data types

Two's complement

integer type

floating point type

Character type

Escapes

The concept and usage of Boolean type

Convert small type to large type

Small type to large type conversion case

Convert large type to small type

Conversion between int type and char type

Get data through args array

Get data from console via Scanner

Example of inputting data into the console

Variable self-add, self-subtract, self-multiply, and self-divide operations

Swap the values ​​of two variables

Java error types

DebugDebugging

Debug debugging case

Java Switch Statement Overview

Java Switch statement application case 1 Determine int type data

Java Switch statement application case 2 "penetration" phenomenon of switch statement

Java Switch statement application case 3 keyboard input string and judgment

Java Switch statement application case 4 displays the number of days in a specified month

Types of Java relational operations

Java examples explain the role of judgment statements and process control in relational operations

Types of Java logical operations

Java logic long circuit short circuit "AND" operation

Java logic long circuit short circuit "OR" operation

Java logical "not" operation

Java logical operation priority

Java logic operation case

Java If statement overview and usage format

Java If statement uses format 2-if else statement

Java If statement uses format 3-if nested statement

[Java If Statement Algorithm Example 1] Keyboard input Java Android sql three subject scores to find the highest score

[Java If Statement Algorithm Example 2] Selection method to find the highest score in three subjects

Java loop overview and while loop

Use a while loop to print all uppercase English letters and their corresponding Unicode code solutions (1)

Use a while loop to print all uppercase English letters and the corresponding Unicode code solution (2)

Do While loop usage format and execution flow

Use Java do while loop to print all uppercase English letters and corresponding Unicode code solutions (1)

Use java do while loop to print all uppercase English letters and corresponding Unicode code solutions (2)

Format of Java For loop statement

Summary of this lesson

Course Overview

Computer Language Overview

Getting Started with Java

JDK introduction

Set environment variables

Write your first Java program

Java program structure

Eclipse Development Tools Overview

DownloadEclipse

Introduction to Eclipse development environment

Create Java project

Assign a value to the args parameter of the main method

addition operation

Java project structure

Project export

Project import

Modify project name, package name and class name

Java program writing specifications

Common mistakes

Commonly used techniques

Summary of this lesson

static keyword

Define a parameterless method

Define methods with parameters

Define methods with return values

Java method creation and overloading

Creation of classes and the relationship between classes and objects

Java object-oriented programming

Java method recursive call

The use of Java encapsulation

Use of java anonymous objects

The use of java constructor objects

java reference passing

java this keyword

java static keyword

Implementation of inheritance in Java

Limitations of Java Inheritance

Java subclass object instantiation process

Java method overriding and super keyword

The difference between Java rewriting and overloading

Use of Java final keyword

Java abstract class

Implementation of Java interface

Detailed explanation of Java string String

Java String string common methods

Java StringBuffer methods

Java StringBuider usage

Java object-oriented polymorphism

Application of object-oriented polymorphism in Java

Java object-oriented instanceof keyword

Java object-oriented abstract class application

The use of Java object-oriented interface

Commonly used output debugging techniques in Java

Java operation skills in Eclipse

Java exception handling - catching exceptions

Java exception handling-common exceptions

Java exception handling - throws keyword (1)

Java exception handling - throws keyword (2)

Java exception handling-custom exception

Build an Android integrated development environment on the Mac platform

Build an Android integrated development environment on the Windows platform

Build an Android integrated development environment on the Linux platform

What is activity

Activity binding custom view

Start another activity

Learn to read help documentation

Understand the life cycle of Activity

Life cycle during Activity jump

Pass simple data

Pass the data package Bundle

Pass value object

Get the return parameters of Activity

Standard boot mode

SingleTop mode

SingleTask and SingleInstance patterns

explicit intent

Implicit intent

Intent filter related options

Launch local activity via browser link

The role of Context

Application purpose

Application life cycle

Use Service

Bind Service

Service life cycle

Start Service and pass data

Bind Service for communication (Part 1)

Bind Service for communication (Part 2)

Launching a service across applications

Cross-application binding Service

Bind services and communicate across applications

Using BroadcastReceiver

Dynamically register and unregister BroadcastReceiver

BroadcastReceiver priority

Using the logging API

Log classification

View logs using DDMS

Request permission instance

Add permission checks to your code

Add permission checks for basic components

Use fragments

Fragment life cycle

Activity with sidebar

Tabbed Activity

FrameLayout

LinearLayout

Controlling sub-objects with code

RelativeLayout

Using RecyclerView

Customize list items using resource files

RecyclerView layout style

drop-down list

date picker

time picker

Single choice

multiple choice

Summary of this lesson

SlidingMenuDemo

Introduction to SlidingMenu open source library

SlidingMenu program configuration

SlidingMenu program development

Basic introduction to pull-down refresh control

Configuring the drop-down refresh control and running examples

Develop applications that support pull-down refresh

Summary of this lesson

Custom view properties

Custom control skin

Customize views using the drawing API

Summary of this lesson

View animation-transparent animation effect

View animation-rotation animation effect

View animation-moving animation effect

View animation-zoom animation effect

View animation-animation effect mixing

View animation-animation effect listening

Custom animation effects

Summary of this lesson

Add animation to layout

Layout content change animation

Add layout animation effects to lists

Configuring layout animations using resource files

Summary of this lesson

Overview of point-nine cut diagram method

Use of point nine cut diagram method

ViewPager implementation

Add navigation point

Add a button to enter the main interface

Add data storage

Sample demo and basic introduction

Create a drawer layout

Initialize navigation list

Listen to drawer open and close events

Click the icon to open and close the drawer

Sample demo and basic introduction

Enable Action Bar

Auto-hide Action Bar

Use of Action Provider

Use of ActionBarSherlock

How to use Android Surface View

Android Surface View draws a single graphic

Android Surface View draws multiple graphics

Android Surface View draws combined graphics

Android Surface View drawing combined graphics 2

Pop-up notification Toast

Status bar prompt Notification

Complete menu layout

Menu slides left and right

Add left and right sliding animation

Handle click events

Add mask effect

2D flip - create animation

2D flip-add animation monitoring

Android Android touch event listening

Android Android touch event delivery

Get the coordinates of an Android touch point

Get multiple Android touch point coordinates

Android Android zoom image example

Summary of this lesson

Basic concepts of sensors in Android

The composition and use of motion sensors

The composition and use of position sensors

The composition and use of environmental sensors

NFC Technology: Overview

NFC technology: NFC technology in Android

NFC technology: Let Android run programs automatically

NFC technology: Let Android automatically open web pages

NFC technology: NDEF text format parsing

NFC technology: reading and writing text data in NFC tags

NFC technology: NDEF Uri format parsing

NFC technology: read and write Uri data in NFC tags

NFC technology: reading and writing non-NDEF format data

NFC technology: Using Android Beam technology to transmit text (1)

NFC technology: Using Android Beam technology to transfer files (2)

Bluetooth technology (1)

Bluetooth technology (2)

Wi-Fi Direct

GPS technology (1)

GPS technology (2)

Camera technology (1)

Camera technology (2)

audio technology

multi-touch technology

TTS technology

Ringtone settings

Introduction to AR technology

Summary of this lesson

Android security overview

Symmetric encryption of Android security mechanism

Asymmetric encryption of Android security mechanism

Android security mechanism key exchange

Message summary of Android security mechanism

Electronic signature of Android security mechanism

Processes and process boundaries

Multi-user and multi-user boundaries

UID-GID of processes and files

RealUID and EffectiveUID of the process

The setUID identifier of the file

Advanced features

Introduction to XML data format

Reading and parsing XML data

Generate and output XML data

Introduction to JSON data format

Read JSON format data

Create JSON format data

The concept of thread

How to use AsyncTask

Read network data using Http's Get method

Interactive communication with the network using Http's Post method

Use HttpClient for Get mode communication

Using HttpClient for Post communication

Socket introduction

The establishment and use of ServerSocket

Using ServerSocket to build a chat server-1

Using ServerSocket to build a chat server-2

Sample demonstration and implementation of login mechanism

Generate simple QR code on PHP web page

PHP polling database

PHP custom API interface

Android client scans QR code

Android client accesses custom API to implement web page login

Download the necessary files for NDK development

Build NDK integrated development environment

Develop a HelloNDK program

Automatically create header files using ANT

Compile multiple source files

Compiled for multiple CPU architectures

Current status of Android UI automated testing

Introduction to various UI testing frameworks for Android

Example demonstration

Configure writing environment

Create a new test project

Compile and run test code

Introduction to running commands and quick debugging

UiDevice class introduction

Buttons and KEYCODE use

Get coordinates and coordinate click

Drag and slide

Rotate screen

Turn off and wake up the screen

Taking screenshots and waiting for idle time

How to get the package name, open the notification bar, quick settings, and get the layout file

Example demonstration

UiSelector class introduction

Introduction to Android layout, components and component properties

Introduction to four matching relationships

Introduction to node relationships

Object Search - Text and Description

Object search-class name and package name

Object Search - Indexes and Instances

UiObject class introduction

Click and long press

Dragging and sliding objects

Enter text and clear text

Obtaining object attributes and attribute judgment

Gesture operation

Determine whether the object exists

Introduction to UiCollection class

Find objects from a collection

Get the number of components of a certain search condition

UiScrollable class introduction

scroll quickly

Get list child elements

Get and set the constant value of the maximum number of scrolls

Sliding area calibration constant setting and acquisition

Scroll forward and backward

scroll to an object

Set scroll direction

UiWatcher class introduction and interrupt listening check conditions

Listener operation

Check listener

Report introduction and viewing

Various status reports and positioning issues

Output information to report

Pass in parameter control script