I have an app which costs $5. I\'d like to change this so that the app is free and that users must purchase an auto-renewing subscription to use it. I know how to implement the auto-renewing subscript
For Storing Values in SQLite.I wrote the below code in -(void)ini开发者_如何转开发tWithPrimaryKey method.
I have an ImageView with a png and I want to do this: when someone touch this imageview it\'s alpha change to 0.0, is it possible? (all wi开发者_如何学运维thout buttons)you can use UITapGestureRecogni
I\'m using Objective-C, and I don\'t know how to create and call a method with out parameters when compiling the code with the ARC compiler.
In my iPad app, I have a UIButton that is calling an IBAction to call a view controller as a modal to show a video in. 开发者_如何转开发 I wanted the modal to appear as 720x405, and that part seems to
Is there any way to have a Transition/animation effect while replacing an existing viewcontroller as rootviewcontroller with a new one in the appDel开发者_Python百科egate?You can wrap the switching of
when I parse XML document I get strings like that: \"večinoma son&a开发者_如何学Cmp;#269;no \" How do I replace č with correct values? Do I have to manually replace them one by one,
I\'d like to present my users with开发者_开发技巧 an angles 20° and possibly a compass heading such as N or NW. Is there an internationalized number formatter in the iOS that handles angles? I\'ve lo
I was wondering about a loop to create new UIImageViews at runtime. I want each UiImageView To Have A Different Name. If the user specifies that they want 100 images, 100 images ar开发者_如何学Goe app
I\'m beginning to think the answer to my question is \'No\', but I\'m still confused and uncertain about this. So please confirm. I\'ve already learned the need to be careful when using Core Data with
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