Difference between revisions of "Objective-C Sandbox"

From Wikicliki
Jump to: navigation, search
(BLOW BY BLOW ACCOUNT OF THE ENTIRE PROCEEDINGS!!!)
Line 16: Line 16:
 
* Published a hello world screen in the simulator
 
* Published a hello world screen in the simulator
 
[[Image:iosoptions4.png]]
 
[[Image:iosoptions4.png]]
 +
 +
 +
=== Traces ===
 +
inside viewcontroller.m
 +
<pre>
 +
    NSLog(@"trace");
 +
    NSDate *dateObj = [[NSDate alloc] init];
 +
    NSLog(@"date is %@", dateObj);
 +
</pre>
 +
 +
Syntax looks like this: MyNotes is the class:
 +
 +
<pre>
 +
MyNotes *notesObj = [[MyNotes alloc] init];
 +
// pass single argument
 +
[notesObj createNewNoteWithTItle:@"First Note"];
 +
// pass multiple arguments
 +
[notesObj createNewNoteWithTItle:@"First Note" andDescription:@"I Love ObjectiveC"];
 +
</pre>

Revision as of 03:34, 2 March 2013

A haphazardly conducted class

Hello World

  • Open Xcode
  • You'll see templates - select single view
  • Create new "Hello World" - check local git if you want versioning - select a folder and you will have created the project
  • Uncheck storyboards, uncheck include unit tests, select universal
  • Iosoptions1.png
  • Check out the views button on top right hand corner
  • Nav on left, editor in center, utility on right, debug at bottom
  • Iosoptions.png
  • Uncheck Autolayout:

Iosoptions2.png

  • Select some tiny box (3rd on bottom row), drag a label to the panel, click on top row 4th button to see the label editing options, type hello world, and then press run.

Iosoptions3.png Iosoptions5.png

  • Published a hello world screen in the simulator

Iosoptions4.png


Traces

inside viewcontroller.m

    NSLog(@"trace");
    NSDate *dateObj = [[NSDate alloc] init];
    NSLog(@"date is %@", dateObj);

Syntax looks like this: MyNotes is the class:

MyNotes *notesObj = [[MyNotes alloc] init];
// pass single argument
[notesObj createNewNoteWithTItle:@"First Note"];
// pass multiple arguments
[notesObj createNewNoteWithTItle:@"First Note" andDescription:@"I Love ObjectiveC"];