This method is to find the view is touch, when found to become the first of the response chain, if he can not handle the event, then find Nextresponder until application if not processed, it will be
Event Delivery: The Responder Chain (Event passing, response Chain), deliveryresponder
When designing an app, we may want to respond dynamically to events. For example, to touch a screen with many different objects, you need to decide which object
When we design the app, we probably want to respond to events dynamically. For example, to touch a screen that has many different objects, you decide which object to give a response to, and how the object receives the event.When a user generates an
Event delivery:the Responder ChainWhen you design your app, it's likely that's want to respond to events dynamically. For example, a-touch can occur in many different objects onscreen, and you had to decide which object you want to respond To a
In a broad sense, iPhone Development adopts the MVC model, namely Model-View-controller. Where:
The model is a data model, such as a user configuration file;
View is the displayed interface element, such as a button;
The Controller serves as a
Event delivery:the Responder ChainWe want to be able to dynamically respond to touch events in our app. For example, a touch may occur on the screen in different locations and on different components, we need to determine which component responds to
IPhone DevelopmentGuideEventProcessing introduction is the content to be introduced in this article, mainly to explain about the iphoneEventFirst, let's look at the details.
Event Processing
This chapter describes the event types in the iPhone
Iphone/ipad no keyboard design for the screen for more display space, large screen in view of pictures, text, video and so on to bring users a better user experience. Touch screens are the primary way for iOS devices to accept user input, including
Brief introductionAfter iphone OS 3.0, users can copy text, images, or other data on one application and paste them into different locations in the current or other application. For example, you can copy an address from an e-mail message and paste
IOS basics: 08 text and keyboard, and ios BasicsIOS basic articles 08 text and keyboard
Directory:1. Get involved2. TextField3. TextView4. Enable and disable the keyboard5. Notification of enabling/disabling the keyboard6. Types of keyboards7. Try
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