HireVietnamese - Lesson 4
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  • 1. HIREVIETNAMESEiPhone Training Lesson 4
  • 2. HIREVIETNAMESEhttp://www.hirevietnamese.com Contents 1 Storing Data 4 Example 4 5 Exercise 4 2
  • 3. HIREVIETNAMESEhttp://www.hirevietnamese.com Storing Data Setting user Preferences with NSUserDefaults 3
  • 4. HIREVIETNAMESEhttp://www.hirevietnamese.com 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
  • 5. HIREVIETNAMESEhttp://www.hirevietnamese.com Storing Data Saving/Retrieving Data from a SQLite Database 5
  • 6. HIREVIETNAMESEhttp://www.hirevietnamese.com Create Database 6
  • 7. HIREVIETNAMESEhttp://www.hirevietnamese.com Check and Create DB 7
  • 8. HIREVIETNAMESEhttp://www.hirevietnamese.com Select Statement 8
  • 9. HIREVIETNAMESEhttp://www.hirevietnamese.com Delete Statement 9
  • 10. HIREVIETNAMESEhttp://www.hirevietnamese.com Add Statement 10
  • 11. HIREVIETNAMESEhttp://www.hirevietnamese.com Update Statement 11
  • 12. HIREVIETNAMESEhttp://www.hirevietnamese.com Example 4 12
  • 13. HIREVIETNAMESEhttp://www.hirevietnamese.com Exercise 4 13
  • 14. HIREVIETNAMESE