IOS

Modify the view of the user's current location in mkmapview to the ui you need.The effect is as follows:The Code is as follows: Source code here. Copy all. If some methods are missing (for image processing functions, leave a

1@ Synthesize window = _ window;2@ Synthesize viewController = _ viewController;Generally, no = part is included. @ synthesize window = _ window. How can this problem be solved? What are the variables of _ window and _ viewController? In the. h file,

Objective-C has almost become Apple's patent. You can compile the Objective-C program directly on Apple's Xcode, but there are few compilation tools on the Windows platform, not many people use this language. Today, I suddenly saw a post posted on

When using UITableView, the height of UITableViewCell may change. There are two ways to change the Row Height: the first is to change the height of all rows. The second is to change the Row Height of a Specific Row. First, change the Row Height of

Compile others' projects with The following error: Code Sign error: the identity 'iphone Developer 'doesn' t match any valid, non-expired certificate/private key pair in The default keychain1) Check the error. You can probably guess: the project was

[Cpp] view plaincopy NSIndexPath * indexPathOfOwnerCell = nil;/* Also, make sure the selected text field is visible on the screen */// Obtain the total number of cells in each section.NSInteger numberOfCells = [self. myTableView. dataSourceTableView:

1. Enable local push and set the attribute [cpp] NSString * str = @ "Local push information"; UIApplication * app = [UIApplication sharedApplication]; UILocalNotification * notification = [[UILocalNotification alloc] init]; // initialize the local

I will not talk about the push mechanism and the certificate used for pushing here. About the push code: Client: 1. Tell the application to receive push messages (of course, in the didfinishlaunchingwitexceptions method) [cpp] [application

. H文[ [plain] @ interface Interface1: UIViewController {IBOutlet UIScrollView * scroller; IBOutlet UILabel * warnung;} @ property (nonatomic, retain) IBOutlet UIScrollView * scrollView ;. m file [plain]-(void) viewDidAppear :( BOOL) animated {[super

IOS 5 has many more features than IOS 4. A simple list is provided. 1. The cloud Synchronization Service is now available. 2. Added twitter. 3. The video and music are separated. 4. Push notification system. 5. added the wireless synchronization

Original Problem description: we need to implement Foursquare integration on the iphone, but I don't know where to start. Please give me some suggestions and advice. Thank you for your solution: Here is the foursquare api link Foursquare integration

Sometimes we may obtain some information from the server, but there is a time limit for this information. We need to set the data to invalid or directly Delete after the specified time. The following is an NSDate-(IBAction) ButtonMethod :( id)

I think NSPredicate has a rough description on the Internet, so I plan to read the document first. However, the English level is limited. Therefore, I will first translate it again to better understand it. (If you have any mistakes, please correct

1. UITextField initialization and setting UITextField * textField = [[UITextField alloc] initWithFrame: CGRectMake (10,200,300, 40)]; textField. borderStyle = UITextBorderStyleRoundedRect; textField. font = [UIFont systemFontOfSize: 15]; textField.

After creating an instance of the UITableViewController subclass, the code generated by IDE contains the following section: [Cpp] view plaincopy-(UITableViewCell *) tableView :( UITableView *) tableView cellForRowAtIndexPath :( NSIndexPath *)

Many iPhone OS versions are available. Many users have not upgraded to the latest version for various reasons, which makes it difficult for our developers. As developers, we all hope that the more the audience of the software, the better. How can I

Reachability is a database officially provided by Apple to check the network status. It must be used by every network-based application to check the network status. Of course, I am no exception. however, just as I was full of confidence and used

1 viewWillAppear:Called when the view is about to made visible. Default does nothing Called when the view is about to be visible. No operations are performed by default. 2 viewDidAppear:Called when the view has been fully transitioned onto the

Obj-CThis quality is "Improved C Language", we all know that C language is no garbage collection (GC) mechanism (Note: Although obj-c2.0 later added GC function, but it cannot be used on the iphone, so this is almost useless for iOS platform

1 PrefaceGestures are actually a combination of touch events. gesture event recognition must be added to a UIView class. Multiple gesture identifiers can be added to a single view. Once some gesture actions are captured on this interface, this view