Android interview Summary

Basic:

1. Basic UI controls and layout files

2. Use of the UI Adapter

3. Familiarize yourself with activity, intent, service, and broadcast referers in lifecycle management.

4. Operate the database SQLite application on the mobile phone

 

Advanced_1(This is an interview with a brother who successfully passed the android interview ):

1. Why android
2. What work does the company do now (about Android)
3. Android framework and some basic knowledge
4. understanding of some aspects of Android (such as IOC features of the android framework and the state machine mechanism of the view system)

 

Advanced_2(This is an interview with a brother who successfully passed the android interview ):

1. Use and understand multithreading, and pass the value of handle between multithreading.

2. PairAndroidVirtual Machine understanding, including memory management mechanism garbage collection mechanism.

3. How and how the framework works, how the activity generates a view, and what the mechanism is.

4. Some restrictions on Android, such as the APK package size limit and large read volumesFileTime limit.

5. Centralized cross-process communication in Linux

 

Android_3:

1. DVM process and Linux Process and ApplicationProgramWhether the process is the same concept

2. What is the role of the SIM card EF file?

3. Concepts of AT command User case

4. What are the features of Memory Management in the embedded operating system?

5. What is an embedded real-time operating system? Does the Android operating system belong to a real-time operating system?

6. How many bytes does the longest Short Message count?

Lenovo Android interview questions

1. lifecycle of the activity.

2. lifecycle of the activity during horizontal and vertical screen Switching

3. What are the types of animations in Android? What are their characteristics and differences?

4. Handler mechanism Principle 5. Talk about the relationship between activity, intent, and service

6. How to communicate between threads and threads in Android and between processes

7. Complete the relative position of the widget in which lifecycle phase of the antifraud service is implemented

8. Let's talk about the principles of the MVC pattern, which is used in Android.

9. Which data storage methods are available in Android?

10. Which of the following types of XML parsing classes are available in Android? Which one is officially recommended? And their principles and differences