IOS

IOS-CoreText and ios-coretext1. Determine whether the clicked position is within the range of a specified nsange. # Pragma mark determines whether the clicked position is within the range/** converts the clicked position to the offset of the string.

IOS ---------- call the System camera and album, After iOS 10, remember to add the permission to get photos and albums in plist. After iOS 10, remember to add the permission to get photos and albums in plist, after iOS 10, remember to add the

The automatic upload of the symbol table does not take effect for ios buckets. The automatic upload of a symbol table does not take effect for ios buugly. After we have completed the automatic upload of the symbol table according to the buugly

Monitoring Network status implementation solution in iOS development, ios monitoring In iOS development, we often encounter this requirement to monitor the network status. In 2G network status, we do not download high-definition images, but only

NSURLSessionDataTask for iOS development enables offline breakpoint download of large files (important ), NSURLSessionDataTask for iOS development enables offline breakpoint download of large files (important ). Source code download: https://github.

IOS metal editor glass, iosmetal IOS metal editor glass #include float4 zfs(float zsl,float3 surfaceNormal,float3 surfaceView,texturecube cubeTexture,sampler cubeSampler){ float4 finalColorZS=float4(1.0,1.0,1.0,0.0); float4

[Code Note] iOS-collectionView deletes a photo, I ,. 2. Engineering Drawing. 3. Code. ViewController. h #import @interface ViewController : UIViewController{ UICollectionView *_collectionView; UIImagePickerController *_imagePicker;

IOS development-iOS calls the camera to call album [save images to a local album], ios-iosSet the header proxy 1. Call the camera Check whether the front camera is available - (BOOL)isFrontCameraAvailable{ return [UIImagePickerController

Keyboard handling during iOS input; ios Input Keyboard handling During iOS development, you sometimes need to handle keyboard pop-up and retrieval. And how to process the view during keyboard pop-up retrieval The most formal method is to use

After iOS 11 is updated and iPhone X is released, problems encountered in the project and adaptation, iosiphone 1. When the UITableView slides, the sliding bars on the right are suddenly long and short, and the endless loop is pulled and refreshed

Ios development-common third-party tools and ios development # Menu Pod 'lgsidemenucontroller' # Refresh Pod 'mjrefresh' # Network requests Pod 'afnetworking', '~> 3.0' # Image Cache Pod 'sdwebimage', '~> 4.0' # Data parsing Pod 'mjextension' #

Cancel the animation (explicit animation) and cancel the animationCancel an animation during the animation process As mentioned before, you can use-addAnimation:forKey:MethodkeyParameters are used to retrieve an animation after an animation is added.

UIScrollViewDelegate related methods, UIScrollViewDelegate   -(Void) scrollViewDidScroll :( UIScrollView *) scrollView; // this method is called when scrollview is rolled. This method is called when any offset value is changed. -(Void)

NSMutableArray addition/deletion test: nsmutablearray addition/Deletion     NSMutableArray * testArray = [NSMutableArray array]; [testArray addObject: @ "1"]; [testArray addObject: @ "2"]; [testArray addObject: @ "3"]; NSLog (@ "added 1 2 3% @",

IOS: drawing, ios drawing 1. UIBezierPath (besell curve) 1-1), in the override drawRect: Used in the Method It is not difficult to use it. Generally, UIBezierPath. h is used. It is worth noting that the color settings are as follows: // Set the line

[Code Note] iOS-display the wait dialog box in the navigation bar, ios-navigation bar I ,. Ii. Code. ViewController. m # Import "ViewController. h "@ interface ViewController () @ end @ implementation ViewController-(void) viewDidLoad {[super

It allows you to quickly understand and master how to develop iOS skills and ios development skills.   First, you need to spend some time learning objective-C language. After all, this is the basis for iOS development (you can also try Swift, but

Differences between member variables and attributes in iOS and ios Link: http://blog.csdn.net/u012946824/article/details/51788565History: People who contact iOS know that,@propertyBy default, a member variable of the _ type is generated for declared

Try not to remove notifications in viewWillDisappear: method,1. The navigation controller side slide gesture is added to iOS7. When a side slide return is triggered, viewWillDisappear of the system is called. When the side slide return is canceled,

IOS gets the date n months after a date, and ios gets the date1. Give a time and a number. The positive number is the next n months, and the negative number is the previous n months; 1 -(NSDate *)getPriousorLaterDateFromDate:(NSDate *)date