beginning
Hello everyone, I am Brother G. I am currently working in Jingzhou, but the dry goods still have to be arranged!
There is an explosive learning route for developers abroad. At present, 131 k+ stars have been harvested on Github, and the number of stars ranks 9th among all Github warehouses. Needless to say how hot this warehouse is!
As a programmer, if you don't know this warehouse, you really lose money! In addition, some of our technical experts refer to this warehouse when writing learning routes for fresh graduates.
Android basics
1.Activity
1. What is Activity? 2. Please describe the activity life cycle...
2.Service
3.Broadcast Receiver32
4.ContentProvider
5.ListView
6.Intent
7.Fragment
1. How to transfer values between Fragment and Activity 2. Describe the life cycle of Fragment 3. The difference between the replace and add methods of Fragment...
Android Advanced
1. Java
1. What is the Java memory model and thread management? 2. How do DVM and ART optimize JVM? Do you think there is room for optimization? 3. What is the class file structure at the bytecode level? ...
2. Advanced UI (★★★★★)
1. What are the principles and calculation rules of MeasureSpec? 2. What is the most complicated view you have ever written? What are the complexities encountered? 3. How does Android interact through Activity? ...
3. Android performance optimization (★★★★★)
1. What is the direction of optimization of Android app performance? 2. Under what circumstances will lead to performance optimization and how to avoid it? 3. Have you ever used leakCanary? What is its monitoring principle? 4. Is the profile proficient? What aspects of performance can be analyzed? Do you master its principle? 5. In the face of UI lag, what aspects should we analyze and solve? ...
4. Android source code (★★★★)
1. What is the event distribution mechanism? Why should the designer set up interception? 2. How does Android render through View? 3. What is the process of installing Android App? ...
Open source framework combat
1. Which frameworks and platforms have been used in development (★★★★★)
EventBus (event processing)
xUtils (network, image, ORM)
JPush (push platform ) Youmeng (
statistics platform) Youmi (youmi
) (advertising platform)
Baidu map
bmob (server platform, SMS verification, email verification, third-party payment )
Aliyun OSS (Cloud Storage)
……
2. Which custom controls have you used (★★★★)
3. Custom control: the realization process of drawing a circle (★★)
4. Custom control: the realization process of the Ferris wheel (★★)
5. Custom control: the implementation process of drag-and-drop sortable GridLayout (★★)
6. The realization process of flow layout (★★★★)
7. The process of the project (★★★★★)
8. Common interview questions in the project
9. How is instant messaging done? (★★★★★)
10. Six principles of design patterns (★★★)
11. Third party login (★★★★)
12. Third party payment (★★★★★)
13. Analysis of common frameworks (★★★★★)
JAVA interview questions
1. JAVA basics
1. What are the reference types in Java? 2. What is overloading, what is rewriting, and what is the difference? 3. The difference between String, StringBuffer and StringBuilder 4. How are the keywords final and static used...
2. Design patterns in JAVA (★★★★)
1. What are the design patterns you know? 2. Singleton design patterns 3. Factory design patterns...
Full analysis of Flutter related interview questions
1. DART section
Features of the Dart language? Some important concepts of Dart? What does the "..." in Dart mean? How does Dart multitasking work in parallel? Is dart passed by value or by reference?
2. FLUTTER section
1. Why is flutter native?
2. Talk about several features/pros and cons of flutter
3. Comparison between Flutter and RN. ...
Android high-frequency interview questions collection
A collection of Android high-frequency interview questions collected by Tencent, Ali, Baidu, Meituan, ByteDance, JD, etc. (Part of the interview questions are displayed, the complete question and answer analysis can be obtained at the end of the article)
1. Android event distribution mechanism
2. Android view drawing mechanism and loading process
3. Android four major components of the loading process, please introduce in detail
4. Activity startup mode
......
51. Memory leak
52. Over-drawing, lagging optimization
53 . apk slimming
54. The formation of ANR, what is the time limit for ARN to appear on each component?
...
Many things asked in interviews are based on principles.
Other important knowledge points
Below are some advanced information compiled by several Android industry leaders corresponding to the technical points above. Yes ** [ Android architecture video + BATJ interview topic PDF + core notes and other materials + source code + mind map ] . Hope to help you improve your technology. If you want to get it, you can privately message me [666] to get it for free~**
Advanced advanced articles-advanced UI, custom View (partial display)
The knowledge of UI is currently the most users. The Android introductory training that was so popular that year, you can find a good job by learning this little piece of knowledge. But obviously it's not enough now. Reject endless CV, go to the actual project, read the source code, and study the principle!
- Collection of interview questions
Never-ending CV, go to the actual project, read the source code, and study the principle!
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- Partial collection of
interview questions [External link pictures are being transferred...(img-A8ypl92H-1611212980672)]