Common interview questions and detailed analysis of the latest Android developers in 2020

• Customize View  matters needing attention

• How to cache yourself （LRUCache  principle ）

• MVC、MVP、MVVM The difference between

• sqlite  relevant

• Binder  Mechanism （IPC、AIDL  Use ）

• JetPack + MVVM  Are you familiar with this architectural pattern ？

• JetPack  Of  LiveData,Lifecycle,ViewModel  Familiar with the internal principles ？

• ……

Algorithm and data structure

• Hash

• Minimum spanning tree algorithm

• Shortest path algorithm

• KMP  Algorithm

• Search algorithm

• Sorting algorithm

• Skip list

• List reversal （ The first interpolation ）

• Breadth 、 Depth first search algorithm

• Calculate the maximum depth of a binary tree , Non recursive algorithm required .

• ……

The Internet

• Network framework comparison and source analysis

• Design your own network request framework , How do you do it? ？

• Network request cache processing ,okhttp How to deal with network cache

• Load a from the network 10M  Pictures of the , Talk about the precautions

• TCP  Of  3  Three handshakes and four waves …

• DNS Analytic process

• OKHttp How does the framework request the server , Say what you think

• Http And Https The difference between the two

• Talk about the relationship between application layer and transport layer

• Talk about your understanding of Android signature .

• Encrypted video transmission

• ……

Source code understanding

• Glide Cache mechanism

• EventBus

• LeakCanary

• ARouter What problem does the framework solve , What is the internal principle ？

• RxJava  The principle of thread switching

• RxJava What design patterns are used ？

• Retrofit  Understanding of dynamic agent

• OkHttp  Understanding of internal principles

• What is the event distribution mechanism ？ Why do designers set interceptors ？

• Android How to pass View To render ？

• Android App  What is the installation process ？

• Android What is the event distribution process ？

• Android Do you know the principle of plug-in ？

• Android  What is the component management mode ？

• Android  Use Hook Have you ever intercepted the system source code ？

• ……

Kotlin  relevant

• Let's talk about using kotlin Three benefits of

• Why? kotlin Follow Java With mutual operability ?

• The way Kotlin The companion of

• What problems can the collaborative process solve

• Kotlin Inside Extension Functions Implementation principle analysis

• kotlin What is the role of abstraction in ?

• Kotlin Null What is the detection mechanism ？

• Kotlin Higher order functions in , Talk about your understanding

• Kotlin  Why is compilation better than Java slow ？

• Kotlin  generic  in  and  out  What's the usage? ？

• Kotlin  What's the use of extending functions ？

• …… 
  《Android Summary of learning notes + Latest mobile architecture video + Big Android interview questions + Project actual combat source code handout 》 Free open source   Hui Xin search official account 【 Advanced programming 】

Flutter relevant

• Dart  In the middle of  「..」 What do you mean ？

• Dart  Scope of action

• Dart  Is it a single threaded model ？ How it works ？

• Dart  How to achieve multitasking in parallel ？

• The way Dart In asynchronous programming  Future keyword ？

• The way Dart In asynchronous programming  Stream Data flow ？

• Stream  What are the two subscription modes ？ How are they called ？

• await for  How to use ？

• The way  mixin Mechanism ？

• Please give us a brief introduction Flutter frame , And its advantages and disadvantages ？

• introduce Flutter The conceptual framework of

• introduce FFlutter Of FrameWork Layer and the Engine layer , And what they do

• introduce Widget、State、Context  Concept  - Widget

• sketch Widget Of StatelessWidget and StatefulWidget Two state component classes

• StatefulWidget  Life cycle of

• sketch Widgets、RenderObjects  and  Elements The relationship between

• What is state management , You know what state management framework ？

• sketch Flutter Drawing process of

• sketch Flutter The thread management model of

• Flutter  How is it with the original Android、iOS Communicating ？

• sketch Flutter  The heat overload of

• ……