Preface
It's almost the golden three silver four spring recruitment stage, this is the prime time for job-hopping and job hunting. Most job seekers are ready to apply for a job after the new year. Many of them quit their jobs early. There are experienced old people in the workplace who are ready to change jobs after the new year, as well as a group of new graduates who are about to graduate.
However, after being affected by the "new crown pneumonia" epidemic, the "Golden Three Silver Four" gradually evolved into a multitude of troops crossing the single-plank bridge, one side is gearing up for experienced seniors in the workplace, and the other side is fresh blood that is about to graduate. It will only allow job seekers to accumulate more and more job seekers. In the face of such a situation with fewer jobs and more job seekers, the competitiveness can be imagined. Coupled with the adjustment of the company's recruitment plan, the difficulty of job hunting is also increased.
Bytedance Interview
One side
1: plug-in. Start the hook method of the activity. taskAffity.
2: Does okhttp support HTTP2? What are the functions of http2? Congestion control in tcp? Tsl's handshake and specific asymmetric encryption algorithm. Asymmetric name
3: How the handler's post (Runnable) is implemented. The execution priority of callback, runnable, and msg. How is blocking achieved? Why not block the main thread?
5: Find the maximum distance between two nodes in the binary tree.
6: 206 meaning, which is the unmodified resource, 302 meaning, 301 meaning
7: Multi-process communication problem. Binder advantage. Details of java classes generated by aidl. What problems do multi-process encounters?
8: What are the parameters passed by the dynamic agent? Can non-interface classes implement dynamic proxy? Principle
9 of ASM : What is the difference between Application and Activity in the Context inheritance tree? What is the difference in the use of the two?
10: Any binary tree, find the maximum node distance
Two-sided
1: Design a log system.
2: Classification of memory leaks. How to check the memory leak problem
3: touch event source code problem.
4: The problem of componentization. The difference between module and app. How moduler communication is achieved.
5: How to deal with log collection of native crash?
6: The annotation implements a prompt function: if the value of int is greater than 3, a prompt is required.
Three sides
1: Introduce the startup process of flutter
2: Introduce the difference between flutter and weex
3: Component introduction
4: What are the means of communicating with js in webview?
5: Introduce the principle of flutter_boost
Four sides
1: The respective characteristics and usage scenarios of the adapter and the decoration mode
2: How the video codec is done
3: Three-color ball sorting
At last
That’s all for today’s sharing of interviews. It’s the same sentence. There are some things that you must not only understand, but also express them well, so that the interviewer can recognize your understanding, such as the Handler mechanism. This is a must-question question in the interview. . There are some obscure points, maybe it only lives in the interview, you will not use it at all in actual work, but you have to know what it is.
Finally, the editor here shares a collection of dozens of interview questions from Tencent, Toutiao, Ali, Meituan and other companies related to the above-mentioned technical system diagram. The technical points are organized into videos and PDFs (actually better than expected I spent a lot of effort), including knowledge + many details . Due to the limited space, here is a part of it in the form of pictures.
There are also advanced architecture technology advanced brain maps, Android development interview topic materials , advanced advanced architecture materials to help you learn to improve the advanced level, and save everyone's time to search for materials on the Internet to learn, and you can also share with friends around you to learn together.
Android learning PDF+architecture video+interview document+source notes collection
[Android core advanced technology PDF document, analysis of real questions in BAT interview]
[Algorithm Collection]
[Extend the essential knowledge of Android]
[Android part of the advanced architecture video learning resources]
Saving...(img-hOElkHgr-1611300422401)]
[Android part of the advanced architecture video learning resources]
After receiving and learning the Android Introductory Video, it is even more powerful! Enter the BATJ factory and so on (preparation)! Nowadays, it’s said that the Internet is cold. In fact, you get in the wrong car and wear less (skills). If you get in the right car and your own technical ability is strong enough, the cost of the company’s replacement is high. How could you be laid off? It's just to eliminate the end business Curd! Nowadays, there is a flood of junior programmers in the market. This set of tutorials is aimed at Android development engineers who are 1-6 years old. They are in a bottleneck period. Those who want to break through their salary increases in the next year, advanced Android intermediate and senior, architects are even more important to you. Like a fish in water, get it quickly!