HireVietnamese - Lesson 4

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iPhone TrainingLesson 4

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Contents

Storing Data1

Example 44

Exercise 45

2

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Storing Data

3

Setting user Preferences with NSUserDefaults

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NSUserDefaults

Get a Handle to the NSUserDefaults object NSUserDefaults *prefs = [NSUserDefaults standardUserDefaults];

Saving [prefs setObject:ObjectToSave forKey:”KEY”];

Retrieving NSString *myString = [prefs stringForKey:@“KEY"];

4

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Storing Data

5

Saving/Retrieving Data from a SQLite Database

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Create Database

6

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Check and Create DB

7

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Select Statement

8

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Delete Statement

9

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Add Statement

10

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Update Statement

11

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Example 4

12

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Exercise 4

13

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