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Your First App

dylanreichdylanreich Posts: 69 @
edited June 2012 in iPhone SDK Tutorials
I have made a video tutorial for a "Dynamic Hello World" app. Here is the video: Your First iPhone App (Dynamic Hello World)
Post edited by dylanreich on
<a href="http://itunes.apple.com/us/app/sweetmeter/id492428852?ls=1&mt=8"; target="_blank">SweetMeter</a> will rate your life!<br />
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Replies

  • javz3javz3 Posts: 7
    edited December 2010
    Thanks for the tutorial dylan, really appreciate it.

    Also I'm facing some problems, this is the message I receieve when compiling the program -

    'NSString' may not respond to '-stringByAppendingstring:'

    And when I run it in simulator once enter is pressed the program crashes/shuts down.
    Another thing to note is that when I typed stringByAppendingstring it did not come automatically like @synthesize or IBAction, I had to write it manually.


    Any help appreciated and thanks again.
  • dylanreichdylanreich Posts: 69 @
    edited December 2010
    javz3 wrote: »
    Thanks for the tutorial dylan, really appreciate it.

    Also I'm facing some problems, this is the message I receieve when compiling the program -

    'NSString' may not respond to '-stringByAppendingstring:'

    And when I run it in simulator once enter is pressed the program crashes/shuts down.
    Another thing to note is that when I typed stringByAppendingstring it did not come automatically like @synthesize or IBAction, I had to write it manually.


    Any help appreciated and thanks again.
    Glad to be of help! I'm not home right now, so I can't be of much help (I'm on my phone)... Are you sure nothing is incorrectly capitalized? No wrong hypens or anything? Even the smallest error can throw off the whole app.
    <a href="http://itunes.apple.com/us/app/sweetmeter/id492428852?ls=1&mt=8"; target="_blank">SweetMeter</a> will rate your life!<br />
    <br />
    Send iPod playlists through email or SMS, or post them to Twitter or Facebook with <a href="http://itunes.appl
  • mariano_donatimariano_donati Posts: 345 @ @
    edited December 2010
    javz3 wrote: »
    Thanks for the tutorial dylan, really appreciate it.

    Also I'm facing some problems, this is the message I receieve when compiling the program -

    'NSString' may not respond to '-stringByAppendingstring:'

    And when I run it in simulator once enter is pressed the program crashes/shuts down.
    Another thing to note is that when I typed stringByAppendingstring it did not come automatically like @synthesize or IBAction, I had to write it manually.


    Any help appreciated and thanks again.

    Have you copied and pasted that message?. I didn't see the code from the tutorial, all I see is that there's a lower case 's' in '-stringByAppendingstring'.
    I'd go to that line and check. It should be stringByAppendingString.
    <a href="http://www.thisissudoku.com"; target="_blank">This Is Sudoku, a logic-based sudoku game</a>
  • dylanreichdylanreich Posts: 69 @
    edited December 2010
    Have you copied and pasted that message?. I didn't see the code from the tutorial, all I see is that there's a lower case 's' in '-stringByAppendingstring'.
    I'd go to that line and check. It should be stringByAppendingString.

    Sounds like the problem for him! My fault for not giving a link to a download of the project.
    <a href="http://itunes.apple.com/us/app/sweetmeter/id492428852?ls=1&mt=8"; target="_blank">SweetMeter</a> will rate your life!<br />
    <br />
    Send iPod playlists through email or SMS, or post them to Twitter or Facebook with <a href="http://itunes.appl
  • javz3javz3 Posts: 7
    edited December 2010
    LOL! I can't believe that I missed something simple as that! But thanks anyways though!!

    Also are there some sort of API's available stating the classe and rules for objective-c?
  • dylanreichdylanreich Posts: 69 @
    edited December 2010
    javz3 wrote: »
    LOL! I can't believe that I missed something simple as that! But thanks anyways though!!

    Also are there some sort of API's available stating the classe and rules for objective-c?

    Can you clarify what you want? There is documentation available at Apple's site.
    <a href="http://itunes.apple.com/us/app/sweetmeter/id492428852?ls=1&mt=8"; target="_blank">SweetMeter</a> will rate your life!<br />
    <br />
    Send iPod playlists through email or SMS, or post them to Twitter or Facebook with <a href="http://itunes.appl
  • javz3javz3 Posts: 7
    edited December 2010
    Well, to be precise, I'd like to know what each and every statement/method/sign etc mean in objective-c
  • equalsabracketequalsabracket Posts: 65
    edited December 2010
    dylanreich wrote: »
    I have made a video tutorial for a "Dynamic Hello World" app. Here is the video: Your First iPhone App (Dynamic Hello World)

    Good tutorial, made a few things clear and explained it all well.:)
  • dylanreichdylanreich Posts: 69 @
    edited December 2010
    Good tutorial, made a few things clear and explained it all well.:)
    Thanks! Glad to be of help.
    <a href="http://itunes.apple.com/us/app/sweetmeter/id492428852?ls=1&mt=8"; target="_blank">SweetMeter</a> will rate your life!<br />
    <br />
    Send iPod playlists through email or SMS, or post them to Twitter or Facebook with <a href="http://itunes.appl
  • ShredderClayShredderClay Posts: 44
    edited January 2011
    Looks like a good video tut. I will watch more when I get home. Thanks.
    dylanreich wrote: »
    I have made a video tutorial for a "Dynamic Hello World" app. Here is the video: Your First iPhone App (Dynamic Hello World)
    <a href="http://shredder-clay.tumblr.com"; target="_blank">My tumblr</a><br />
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    My hobby? iPhoning. <br />
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  • BubaBuba Posts: 1
    edited February 2011
    Thank you, Dilan! Good job!
  • dylanreichdylanreich Posts: 69 @
    edited February 2011
    Buba wrote: »
    Thank you, Dilan! Good job!
    Thanks.
    <a href="http://itunes.apple.com/us/app/sweetmeter/id492428852?ls=1&mt=8"; target="_blank">SweetMeter</a> will rate your life!<br />
    <br />
    Send iPod playlists through email or SMS, or post them to Twitter or Facebook with <a href="http://itunes.appl
  • n0kxn0kx Posts: 16 *
    edited February 2011
    Hey dylan,

    I sent you a message, but maybe someone here can help, too.

    I'm wanting an app that only has:

    * 1 button
    * 1 table

    And when you click the button it loads data in from a data source. (Whatever a data source is called in iOS)

    I've been a web developer for years and I'm looking to get into iPhone development. It would be nice to see code for a simple app like this to help me understand things like: where do i put code to make a button load data? how do i populate a table with data? etc...
  • nestedloopnestedloop Posts: 75
    edited February 2011
    javz3 wrote: »
    Well, to be precise, I'd like to know what each and every statement/method/sign etc mean in objective-c


    Well, javz3, if you are coding Objective C from XCode, I guess the Developer Documentation actually does that for you. Whenever you want to know more about a class, just press Alt on your keyboard and double click its name in your code. You will get a short summary box, and from there you can go either to the declaration or to the full documentation (if available) of whatever you have clicked on.

    For types, you will find there all the members (properties, methods, operators) with explanations and implementation examples.

    Hope this was of some help to you.
  • LabyrnthLabyrnth Posts: 5
    edited February 2011
    That is a great tutorial, little fast but you can pause the video anyway to keep up.
    Very nice and thank you for sharing your knowledge with people such as myself.

    BTW i just subscribe to your YT Channel now NSLog(@Thank You!);
  • ZVERmediaZVERmedia Posts: 10
    edited March 2011
    great tutorial dylan, thanks for sharing :)
  • TryingT0LearnTryingT0Learn Posts: 1
    edited July 2011
    nestedloop wrote: »
    Well, javz3, if you are coding Objective C from XCode, I guess the Developer Documentation actually does that for you. Whenever you want to know more about a class, just press Alt on your keyboard and double click its name in your code. You will get a short summary box, and from there you can go either to the declaration or to the full documentation (if available) of whatever you have clicked on.

    For types, you will find there all the members (properties, methods, operators) with explanations and implementation examples.

    Hope this was of some help to you.

    Ipod touch owner here, does it work even if you DON'T always have wifi, cos I rarely do, and the documentation app for Java that I have has to look everything up in an online database, so that doesn't help me at all.
    If is does require wifi, is there an app that doesn't. I don't need the entire documentation, cos I'm just starting to explore obj-C after TI-Basic and Java applet programming.
  • rambo6376rambo6376 Posts: 1
    edited July 2011
    dylanreich wrote: »
    I have made a video tutorial for a "Dynamic Hello World" app. Here is the video: Your First iPhone App (Dynamic Hello World)

    Thanks! That was great! Registered just to thank you :)
  • JackspyJackspy Posts: 1
    edited July 2011
    Dylanreich, your tutorial was AMAZINGLY helpful. I am a beginner and it had helped me out a lot to understand what i was looking at. Will certainly share it.
  • MariaVinMariaVin Posts: 3
    edited March 2012
    Thank you bro :)
  • moot1moot1 Posts: 19
    edited April 2012
    nice job
  • beckabecka Posts: 49
    edited April 2012
    thank you very much for this tutorial! really helpful!
    add me! i would be delighted! <img src="http://www.iphonedevsdk.com/forum/images/smilies/biggrin.gif"; border="0" alt="" title="Big Grin" class="inlineimg" />
  • jacklee030jacklee030 Posts: 1
    edited April 2012
    tutorial is really amazing. I am a beginner in iPhone development.. can you let me know how to capture image in iPhone without using camera.. thanks in advance
  • dylanreichdylanreich Posts: 69 @
    edited May 2012
    jacklee030 wrote: »
    tutorial is really amazing. I am a beginner in iPhone development.. can you let me know how to capture image in iPhone without using camera.. thanks in advance
    Tutorial is superb, I want same info about how to capture image in iPhone without using camera.
    It looks like you decided to create two accounts... I'm not sure what you mean by taking pictures without the camera.
    <a href="http://itunes.apple.com/us/app/sweetmeter/id492428852?ls=1&mt=8"; target="_blank">SweetMeter</a> will rate your life!<br />
    <br />
    Send iPod playlists through email or SMS, or post them to Twitter or Facebook with <a href="http://itunes.appl
  • jhonsmith1jhonsmith1 Posts: 4
    edited May 2012
    Good job! Dilan! thank you very much for sharing. Its very helpful.
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