mobile and gis dev notes

In this tutorial, we would use an Objective-C Library: ASIHTTPRequest, which abstracts the complexities of using NSURLConnection

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Omnigraffle provides a quick and dirty class diagram when you open your XCode projects. Very cool and saves you a lot of time than using VISIO. Read more…

Since I’ve been working most of my time with iPhone Dev for the last couple of months, I thought it will be worthwile to post how to import files to SQLite3. In a nutshell, use MesaSQLite’s IMPORT function. It will save you a lot of time. Now it is up to you how to export into a CSV or TAB delimited file. For Oracle, I used SQLDeveloper. For other databases, such as MySQL or Postgres, I’ve used Navicat. Read more…

Today, I came up with a generic UITableViewController that allows single selections.

Part 1: Creating the view controller..

1. File -> New File -> UIViewController subclass. Check the checkbox UITableViewController subclass.

CheckListTableViewController will be referred to as the controller from here on..

2. The controller will accept:

a. NSArray *array – which holds the items.
b. NSString *title – title of the selection.

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Part 1: Creating your own control inside a view controller..

1. File -> New. Choose UIViewController subclass. Tick the checkbox “With XIB for user interface”. Save it as “DatePickerViewController”.

2. Open the DatePickerViewController.xib from IB.

3. In IB, drag a UIDatePicker and a UIButton as shown below.

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