ios4

问题 I noticed that when I test my app on the iPad 3.2 software, my buttons on the keypad do not look correct, they are enlarged. When I test it on the 4.0 or above, everything looks great. Any suggestions of what is going on? I'll be more than happy to post code, just don't know which part to post? Keep in mind the buttons are not enlarged like this in 4.0 or above. Are there any programming difference between the two. Also, all these buttons were created in interface builder. 回答1: Are you using

问题 I have the following JSON value: -( { Key = IsEmail; Value = 1; }, { Key = TrackingInterval; Value = 20; }, { Key = IsBackup; Value = 1; }, { Key = WipeOnRestore; Value = 1; } ) How might I go about parsing this object into an array or string? - i.e. eack key values to be stored in an array and each Value to be stored in another array. Please help me out with this. Thanks :) 回答1: This approach uses the json-framework. I've shortened your example: NSString *jsonString = @"[{\"Key\":\"IsEmail\"

问题 I've been trying to display a xml file in my uiwebview. I've tried using NSURLRequest but the UIWebview shows up blank. I am able to display a local xml using the code below. Is there a way pull this from a defined website rather than from local file or maybe download the file then display it? NSString *htmlFile = [[NSBundle mainBundle] pathForResource:@"location" ofType:@"xml"]; NSData *htmlData = [NSData dataWithContentsOfFile:htmlFile]; [aWebView loadData:htmlData MIMEType:@"text/text"

问题 I work with iPhone iOS 4.3. In my project I need a read-only, repopulated table of data (say a table with 20 rows and 20 fields). This data has to be fetched by key on the row. What is better approach? CoreData Archives, SQLite, or other? And how can I prepare and store this table? Thank you. 回答1: I would use core data for that. Drawback: You have to write a program (Desktop or iOS) to populate the persistent store. How to use a pre-populated store, you should have a look into the Recipes

问题 I work with iPhone iOS 4.3. In my project I need a read-only, repopulated table of data (say a table with 20 rows and 20 fields). This data has to be fetched by key on the row. What is better approach? CoreData Archives, SQLite, or other? And how can I prepare and store this table? Thank you. 回答1: I would use core data for that. Drawback: You have to write a program (Desktop or iOS) to populate the persistent store. How to use a pre-populated store, you should have a look into the Recipes

问题 guys, I have iOS app, which running good on ios5.0, but on 4.3.3 it's crashing and writing this to console: dyld: Library not loaded: /System/Library/Frameworks/CoreImage.framework/CoreImage Referenced from: /Users/IvanTrufanov/Library/Application Support/iPhone Simulator/4.3.2/Applications/99C63A08-CC3E-49B7-A27D-1352D61C7C4F/habr.app/habr Reason: image not found Have you any ideas? What can be reason? 回答1: Core Image is only available with iOS 5. https://developer.apple.com/library/ios/

问题 I have not had much time to read through all the documentation for the 1500 more features included in iOS4, so right now I have 2 questions: If the app is just a usual utility application, what to do to make it "qualified on iOS 4"? If the app uses a timer to refresh all the items on the screen every one minute (requires redrawing of the sub views), what are the changes that have to be done? ( I notice that even though when I quit the application, open it again in a 3GS iPhone, the timer is

问题 The following code largely inspired by some example I found on the net seems to work fine, with the core data entity called "Contact" and the property called "address" having an attribute String, in the xcdatamodel. It saves my data with no problem. Now my question is : how do I need to modify this code ? In order to make it work after I change the attribute of the property "address" from String to Float in the xcdatamodel. CoreDataTestOneAppDelegate *appDelegate = [[UIApplication

问题 I want to confirm a feature, a client asks to me develop an app with a feature that it is able to stop sms messages to the phone for a certain period of time. I have done some research and found a link pasted below (and the screen shot of the page) in which the author of a renown iPhone App development book states it is not possible. What's your take on this? http://img.skitch.com/20100816-tr4ceamtbjjfxqj9udd4tdpdwp.jpg http://blogs.oreilly.com/digitalmedia/2008/02/when-it-comes-to-the.html

问题 I want to use "in app purchase" for trial version of my application. But I don't have a clear idea about "in app purchase". My problem is how to implement "in app purchase" in my application and uploading process. I have already uploaded a full version of the application. Please help me. 回答1: Well, the best way to understand the InApp process is to read the Apple rules about it at http://developer.apple.com/ Everything about how to implement it in your application is described over there. See