Preface

It's not true to say no anxiety , Because now and in recent years , It's been known for a long time Android The barbaric era of development has passed . The advantage of the past is that the market needs , Few people have this technology , So when it comes to seizing the market , Basically, just meet the needs . But now , All kinds of APP Emerge in endlessly ,APP Our quality has become the new competition standard . It also means that whether it's system design or performance optimization , All the markets give you Android The developers put forward higher requirements . that ,Android Is it really not popular ？ It's not , There is still a big demand gap for advanced and above , Very scarce talent . But junior developers are really not popular anymore . Dejected to say , The competitive advantage of junior scholars in the market is actually very few .

We can also learn from Android Develop the demand position to understand the current market situation .

Chapter one Android Interview questions

1. Android And SharedPreferences Analysis of internal principle
2. Android Threads and thread pools
3. Binder Principle analysis
4. Android Threads and thread pools
5. Android Componentization practice
6. Android Dynamic link library so The loading principle of

Chapter two Performance optimization interview questions

1. Android GC principle
2. Java Memory problems And LeakCanary Principle analysis
3. Android in Bitmap Memory optimization
4. Android Storage optimization —— MMKV Integration and principle
5. Matrix Android TraceCanary- Carton
6. understand Android Crash Processing flow

The third chapter Java Interview questions

1. Java Four kinds of thread pool usage
2. Java There are several ways to copy files ？ Which is the most efficient ？
3. JVM Class loading mechanism details JVM Class loading process
4. Java Several ways to achieve thread synchronization
5. Java Garbage collection
6. Java The difference between heap and stack in

Chapter four Kotlin Interview questions

1. How to use it? Kotlin To increase productivity ：Kotlin Tips
2. reified Realization principle
3. Kotlin Inside Extension Functions Realization principle
4. Kotlin Cooperation of
5. How to customize suspend function ？
6. Kotlin Top level functions and properties of the series

The fifth chapter Internet related interview questions

1. HTTP What is the message structure ？
2. GET and POST What's the difference? ？
3. How to understand URI？
4. How to understand HTTP Status code ？
5. HTTP Characteristics ？HTTP What are the disadvantages ？
6. HTTP How to deal with the transfer of large files ？

Chapter six pluggable & Hot repair & modularization & Componentization & Incremental updating &Gradle

1. Principles and schools of different plug-in mechanisms , Advantages and disadvantages , limitations
2. Component definition
3. Android Gradle Plugin Source code
4. Android Gradle Plugin Source code reading and compiling

Chapter vii. . Picture related interview questions

1. LRUCache principle
2. How to load pictures
3. Third party frame loading picture principle
4. To realize the image library by yourself , How do you do it? ？
5. Glide What cache to use ？
6. Glide How to control the size of memory cache ？

Chapter viii. Flutter Interview questions

1. Flutter App Operating mechanism
2. pack Android Library
3. Flutter Communication with native code
4. Flutter How and Native signal communication
5. Platform Channel working principle
6. Message encoding and decoding process

We enclose every question 1 A standard reference answer , It's all about us fumbling and digesting （ It took a lot of time ）, I think the better writing is the answer . In this way, you can save yourself time to search , Use time for the right things .

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  Due to the length of the article, click the link to view the detailed article and get the learning notes ： GitHub