ANDRIOD application development must learn knowledge points

Source: Internet
Author: User

1. What data types can be passed when intent passes data

2. Methods that may need to be overridden when using menu in Android

3, when using Sqliteopenhelper this auxiliary class in Android, can generate a database, and can manage the database version can be?

4, Android about the service life cycle of OnCreate () and OnStart () say right?

5, the following is the Glsurfaceview characteristic is?

6. What are the special properties of modal view?

7. What are the similar macros in Nsassert?

8. The view controller in the Addressbookui frame?

9. What are the functions used to create a contact?

10. What are the functions used by the contact person?

11. What are the related classes of the table view?

12, Android through the StartService way to open the service, about the service life cycle OnCreate () and OnStart () is correct?

13, the implementation principle of Looper in Android, why Call Looper.prepare () is associated with a Looper object in the current thread, how it is implemented.

14. Briefly describe how Andriod handles the communication between UI and time-consuming operation, and what are the advantages and disadvantages of each.

15. Use Aidl to complete the remote service method call

16. Trigger conditions for the onserviceconnected () method of the Serviceconnection interface

17, which situation needs to move the process to the foreground

18. Broadcasting

19, when using the toast prompt, about the hint length, the following statement is correct?

20, Alertdialog

21, the understanding of the Android NDK list

22. Activity Life Cycle

23, column in which case the system will pop up Froce close dialog box

24. Which objects the Android system provides a resource pool

25, about the relationship between Intentservice and service description

26. A description of the style and theme defined in Android

27. In a ListView, there are many different forms of the row layout shown, for example, some rows are only ImageView, while others have only TextView, which methods do you need to override?

28. Which of the following components are supported in the row layout using Simpleadapter as the adapter for the ListView?

ANDRIOD application development must learn knowledge points

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