ios gestures

Gestures in IOS1. Click UITapGestureRecognizer * tap = [[delealloc] initWithTarget: self action: @ selector (click)]; // set the number of times to be clicked [tap setNumberOfTapsRequired: 1]; // set the number of fingers for the current event to be triggered [tap setNumberOfTouchesRequired: 2]; // set the current proxy tap. delegate = self; [_ view addGestureRecognizer: tap]; // trigger method-(void) click {NSLog (@ "the current view has been clicked

1. Introduction Some bloggers read the previous blogIOS interface-drawer interaction on the left side of Netease newsIn Weibo, I asked how to drag and drop content and comments in NetEase news, How to embed uinavigation above. Many people may have such a demand. Now it takes some time to make these two effects, Share with you. The idea is similar to the previous article, but uinavigation is not used. In my opinion, The comment button can be added through addsubview. The interaction between conte

Use the runtime to get the properties of the system: use your own gestures to modify the System's own gesturesSometimes I need to implement a function, but did not think of a good way or think of the method is just the way to implement it too

Source code, such as the client, multiple types of TableView animation effects, edge return gestures, and tableview gesturesIOS featured source code album multi-choice framework zhPopupController simple and quick pop-up custom view tableView to achieve a variety of animation effects Custom Animation PageControl display tableView and collectionView structure, framework CHD_ListView_StructureRxSwift + Moya + ObjectMapper elegant network request-level mo

The practice of recognizing double-click events in iOS: Create the UITapGestureRecognizer object, set the value of numberoftapsrequired to 2, UITapGestureRecognizer *doubletaprecognizer = [[UITapGestureRecognizer alloc] initwithtarget:self Action: @selector (Doubletap:)]; 2 ; [Self addgesturerecognizer:doubletaprecognizer]; Action function -(void

How to use gestures in Ubuntu to zoom in or out images, and ubuntu gestures For some applications, we want to use gestures for some actions. For example, you can use gestures to enlarge an image or rotate an image. Pdf reader is also a good way to enlarge your font. In this article, we will introduce how to use

User input I. Detection Common gestures (1), gestures Refer: Http://blog.csdn.net/qq418716640/article/details/8508973Http://www.cnblogs.com/mengdd/p/3335508.html Effect: one finger (all gesture events) and (partial events ); A. All gestures Activity_main.xml Android: id = "@ + id/gesture"Android: layout_width = "match_parent"Android: layout_height = "150dp"Androi

sliding around the main screen can see the mobile phone application, pulling up and down on Android and IOS devices can be a drop down menu, and the gestures that are common on every phone can be said to be a lifelong benefit, and we don't see how hard these two hidden gestures will be. It is not the global gesture that makes the user complain, but the gesture o

, motionevent event) {ImageView view = (ImageView) v;switch (EV Ent.getaction () Motionevent.action_mask) {case MotionEvent.ACTION_DOWN:matrix.set (View.getimagematrix ()); Savedmatrix.set (matrix); Start.set (Event.getx (), event.gety ()); mode = Drag;break;case Motionevent.action_pointer_ down:olddistance = Spacing (event), if (Olddistance > 5f) {savedmatrix.set (matrix); Midpoint (Mid, event); mode = ZOOM;} Break;case MotionEvent.ACTION_UP:case MotionEvent.ACTION_POINTER_UP:mode = none;break

UI _ gestures and ui gesturesPat gesture // Create a pat gesture and bind the event UITapGestureRecognizer * aTapGR = [[initalloc] initWithTarget: self action: @ selector (tapGRAction :)]; // set the number of Pat times. aTapGR. numberOfTapsRequired = 1; // set the number of fingers to be touched. aTapGR. numberOfTouchesRequired = 1; // The simulator press alt to touch two fingers. // Add a gesture [self. rootView addGestureRecognizer: aTapGR]; [aTapG

Overview This chapter focuses on the touch gestures and graphics transformations in iOS development, where gestures include click, double-tap, long-press, drag, swipe, zoom, rotate, and the change in graphics mainly uses the translation, scaling, and rotation of the radial matrix. When using gestures, it is important t

-(Void) viewdidload { Uiswipegesturerecognizer * recognizer; Recognizer = [uiswipegesturerecognizerAlloc] initwithtarget: SelfAction: @ selector (handleswipefrom :)]; [Recognizer setdirection uiswipegesturerecognizerdirectionright)]; [[SelfView]

Introduction to IOS 6 common gestures//Viewcontroller.m//  gestures//Created by Lotheve on 15/6/13.//Copyright (c) years Lotheve. All Rights Reserved.//#import "ViewController.h"@interface Viewcontroller (){UITapGestureRecognizer *_tap;

1 PrefaceUse UITapGestureRecognizer to listen to events that capture users' clicks on the screen. 2. code exampleZYViewController. m   [Plain](Void) viewDidLoad{[Super viewDidLoad];// Do any additional setup after loading the view, typically from a

The WIN8 system is developed for touch-screen computers, especially tablets, so it has a powerful hand gesture that can manipulate a tablet without using a mouse, so what are the gestures of a WIN8 tablet? Here for you to introduce the WIN8 system of gestures, there are innovative breakthroughs, very powerful! Using Multi-Touch tablet allows us to realize that the original mobile phone and computer can also

An iOS gestureThere are six types of gesture recognition in iOS development:Tap gestures (Tapgesturerecognizer),Swipe gesture (Swipegesturerecognizer),Long-press gesture (Longpressgesturerecognizer),Drag gestures (Pangesturerecognizer),Pinch gesture (Pinchgesturerecognizer),Rotation gesture (Rotationgesturerecognizer),

This article focuses on the unique gesture event on a multi-touch device (Android and iOS have a much more similar package for this event). This oneThe event is a higher-level package for touch event, and as with touch, it also includes Gesturestart,gesturechange,Gestureend Three event callbacks: ges turestart //triggers when two or more fingers are placed on the screen gesturechange //when there are two or more fingers on the scree

your main screen only as the presentation area of the core content. Do not feel obligated to present important navigation elements on the home screen. On the contrary, consider navigation your own location and space. Here we can consider a new virtual 2D or 3D Dimension, which can place the navigation below, behind, behind, front, top, or hidden in the header. In this case, the drag or touch gesture operation is a very good way to evoke these UI elements. Of course, you can freely define and de

feedback from Fuubo is relatively clear, after the gesture is completed, a gray half circle will appear, and the half circle contains a small icon for forwarding or comment, giving the user a clear information about what his gesture will bring. Summary: Add text or icon information for visual feedback of gestures. text or icon information should be clear and easy to understand.Prepare a transitional effect for your gesture The transition effect adds

iOS development expands the potential error of drag gestures in-xibFirst, error descriptionCustomizing a class to encapsulate a toolbarBuild the Xib and add a drag gesture.　　Code for the host controller: loading toolbarsEncapsulating toolbars and gesture-dragging listening events　　At this time to run the program, the program directly crashes, error is as follows:　Note: