Android: The summary knowledge about multithreading is here!

Android: The summary knowledge about multithreading is here!


Preface

  • Multi-threaded applications are very common in Android development. Common methods are mainly:


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  • Today, I will present a comprehensive & detailed Android multithreading study guide, I hope you like it.


table of Contents

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1. Basic knowledge of multithreading


2. Android multi-threaded implementation

Android multi-threading implementation methods include:


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Below I will explain in detail the implementation of each Android multi-threading.


3. Basic use

The basic use of Android multithreading implementation includes:

  • Inherit the Thread class
  • Implement the Runnable interface
  • Handler

3.1 Inherit the Thread class

3.2 Implement the Runnable interface

3.3 Handler

HandlerIt Androidis very common & important in multi-threaded implementation, so everyone must master it.


4. Combined use

The composite use of Android multithreading includes:

  • AsyncTask
  • HandlerThread
  • IntentService

The main reason for the so-called "reuse" is that the essential principles of these three methods are the combination of Android multi-threaded basic implementation (inheriting the Thread class, implementing the Runnable interface, and Handler) . Below, I will explain in detail.

4.1 AsyncTask

4.2 HandlerThread

  • Introduction


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Please see the article for details:

4.3 IntentService


5. Advanced Use

The advanced use of Android multithreading is mainly the thread pool (ThreadPool).

5.1 Introduction

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5.2 Specific use & working principle

Android multithreading: a comprehensive analysis of the thread pool ThreadPool


6. Contrast

Below, we will compare various multithreading implementation methods, including principles, functions & application scenarios.


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7. Other

7.1 Thread synchronization: Synchronized keyword

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For details, please see the article: Java: Hand-in-hand to teach you a comprehensive study of the mysterious Synchronized keywords

7.2 Thread variable: ThreadLocal

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For details, please see the article: Java multithreading: take you to understand the mysterious thread variable ThreadLocal


8. Summary


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