Byte Android post 4 rounds of interviews, received 50k*18 offers, and successfully broke the situation under the layoff

As Android The programmer , Choose what technology to learn ？ What technology should I learn ？ Search the recruitment website 、 It's very clear to see the job requirements , Own technology and ability , It directly affects the scope of your job choices and whether you can succeed in the interview .

This brother is in byte **3 Wheel technology + 1 round HR Noodles , He finally got 50k*18 pay Of Offer.** The first round mainly investigates the underlying foundation （Java/JVM,Android）, Two 、 The third round focuses on performance optimization 、Framework, Video technology 、 Mastery of Architecture , And business understanding of past projects . The reason why he was so impressed , It's because we talked for more than an hour and a half every round , It really benefited him a lot .

I asked him to give it to me Summed up his interview experience and some experience . After all, we all know the difficulty of the interview , It's not that hard .

At the same time, I also let him sort out a set Android Core technology map , If you want to enter a large factory , Then we need to Android The core technology stack is well prepared , Specifically, you can learn from the following modules .

At the same time, I share my usual learning and sorting Android Core knowledge notes , There will be Java、Framework、Android Third party framework source code 、 performance optimization 、Android Basics 、 Common interview algorithm questions 、 Other common interview questions and other parts . These notes have been collected and sorted out , If you need a full version , You can click the portal directly to ！

1.Android Develop the necessary underlying technology （ Involving serialization 、 annotation 、 Generic 、 Reflection 、 virtual machine 、 Concurrent 、Java IO、 Compile time technology 、 A dynamic proxy 、 Advanced data structures and algorithms ）

2.Framework The source code parsing （ Involving system startup process 、AMS、PMS、WMS、Zygote、Init、Handler、Binder The content such as ）

3.Android Common component analysis （ involve Activty、Fragment、service The content such as ）

4. senior UI Source analysis （ involve UI Drawing principle 、 Principle of event distribution mechanism 、 Plug in skin change 、 Attribute animation 、RecycleView、 Higher order Bezier curve, etc ）

5.Jetpack Family bucket manual （ involve Lifecycle、ViewModel、LiveData、Navigation、Room、WorkManager kernel 、Pagging principle 、DataBinding The content such as ）

6. Big factory APP Performance analysis and optimization of actual combat scheme （ Involves starting optimization 、UI Rendering optimization 、 Crash optimization 、 Memory optimization 、 Carton optimization 、 Storage optimization 、 network optimization 、 Power consumption optimization 、 Multithreading concurrent optimization 、 Installation package optimization, etc ）

7. Advanced audio and video technology （ involve C/C++、H.265/H.265、MediaCodec、 Audio and video clips 、 Live audio and video 、OpenGL And audio and video decoding 、OpenGL Special effects 、FFmpeg Universal player 、Webrtc Audio and video calls, etc ）

8.Android Third party mainstream framework analysis （ involve RxJava、Glide、Hilt、Dagger2、Okhttp、 pluggable , Componentization, etc ）

9.Gradle Advanced combat manual （ involve Groovy grammar 、Gradle Android Plug in configuration, etc ）

10.Kotlin A complete set of notes from introduction to principle to actual combat （ Involving grammatical sugar , Basic grammar , Advanced features , coroutines , Source code, etc. ）

11.Flutter3.0 Develop practical manual

In addition to the above learning routes and learning resources , You can also learn in the following ways , Double the effect .

Interview shock , Brush the topic, sprint

** About a month or two before the interview , You can start to brush questions and sprint .** Give priority to the topics about popular technologies in large factories , I've also prepared a set of classic interview questions for big companies

summary

Do the same Andorid, Some people work 5 The annual salary has not changed , Some people work 2 It's a year's salary 50W. This phenomenon may not have been obvious a few years ago , However, with the rapid development of mobile terminal technology in recent years , Once there was only one UI The era of being able to travel all over the world is long gone , The differentiation of talent level is more and more obvious .

Competition is always very cruel , After all, it's not so easy to be an architect , The growth of an architect comes from opportunities , Hard work and talent ！ In this era of surging waves , Whether you've just worked or developed for a few years , I believe the above Andorid You need to read the core advanced technology notes , Hope to be helpful to your career development . These notes have been collected and sorted out , If you need a full version , You can click the portal directly to ！