MODULE 6

Question 1

_____ class enables switching between activities

Answer 1

Intent

Question 2

_____ pass data between activities

Answer 2

Intents

Question 3

_____ is used to load data into intents

Answer 3

putExtra

Question 4

_____ means that if a user quits the app and comes back, the data will stay

Answer 4

Persist

Question 5

Ways to make data persist:

Answer 5

• Shared preferences mechanism
• Traditional file systems
• SQLite database system

Question 6

_____ provides access to data that is accessed by all activities

Answer 6

SharedPreferences

Question 7

SharedPreferences object for reading data is called _____

Answer 7

prefs

Question 7

_____ converts bits and bytes into data objects on the app

Answer 7

De-serialization

Question 8

Sharedpreferences object for writing data is called _____

Answer 8

editor

Question 9

_____ converts data objects into bites and bytes to store on disk

Answer 9

Serialization

Question 9

_____ is a method that initiats saving process

Answer 9

Commit

Question 10

_____ is used to get data from database

Answer 10

rawQuery

Question 10

_____ type is used to store floating point numbers

Answer 10

real

Question 11

Classes to access database API:

Answer 11

• SQLiteDatabase
• SQLiteOpenHelper

Question 12

_____ is used to add data to database

Answer 12

execSQL

Question 13

Upgrading a database is done using _____

Answer 13

ALERT

Question 14

Database queries return objects of type _____

Answer 14

Cursor