Android Test and interview points

Android Basics

1. What are the four components of Android?

   Activity,service,broadcast and Contentprovide

2. What are the common container layouts for Android?

   Framelayout, Linenarlayout,relativelayout

3. What methods are typically overloaded by activity to maintain their life cycle?

   7 of them. OnCreate (), OnStart (), Onresume (), OnPause (), OnStop (), Ondestory (), Onrestart ()

4. What happens is that OnPause is executed and OnStop is not executed.

   Activity is covered by another activity with transparent areas.

5. What are the methods of data storage for Android?

   Sharedpreference, files, SQlite, ContentProvider, network

6. Which of the following statements is correct about Android memory recycling? (B)

   A, the programmer must create a thread to free up memory
   B, Memory Recovery program is responsible for releasing useless memory
   C, Memory recycle program allows the programmer to free memory directly
   D, Memory recycle program can free memory objects at specified time

Reference:

1. 71 Classic Android Face questions and Answers

Android Project Development Knowledge

1. What is the MVC model?

2. What are the most important external documents for Android development?

   1, the Product manager's interactive document
   2. UI designer's visual design document
   3. Service-side interface documentation for back-end engineers

3. What are the most common Android data formats?

   JSON, XML

4. What open source frameworks have you worked with?

   Common: Afinal, XUTILS3, Thinkandroid, Loonandroid, kjframeforandroid

5. What graphics do you use to load the framework, and what is the rationale for it?

   Common: Picasso (square provided), Android-universal-image-loader, Volley imageloader (provided by Google), Fresco (provided by Facebook), Glide

6. Which networks have you used to load libraries? What are their advantages?

   Some frameworks are available. Other non-frame libraries have OkHttp (square), Litehttp, REST

7. What ORM libraries have you used? What is the principle of them?

   Some frameworks are available. Other non-frame libraries have liteorm.

8. What cache management libraries have you used? What is the principle of them?

   Some frameworks are available. Other non-frame libraries have asimplecache and Disklrucache.

Android Test and interview points