Android interview question 1, android interview question

Android interview question 1, android interview question

1. What is intent in Android?

A: You can switch between interfaces, including action and action data to connect the four components.

2. What are the advantages of using SAX to parse xml files?

A: You do not need to call the entire document in advance, which consumes less resources.

3. When using Menu in android, you may need to override the following methods ):

Answer: onCreateOptionsMenu (), onCreateMenu ()

4. Run the following T-SQL statement in SQL Server Management Studio with the output value (c ). SELECT @ IDENTITY
A. It may be 0.1 B, it may be 3 C, it cannot be-100 D, and it must be 0

5. When SQLiteOpenHelper is used in android, a database can be generated and the database version can be managed by (AB)
A. getWriteableDatabase () B. getReadableDatabase () C. getDatabase () D. getAbleDatabase ()

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