IOS

We know that in order to handle memory management problems more conveniently, developers are freed from tedious memory allocation and Release Work and focused on products and logic, iOS provides an effective way to automatically reference and count

1. Open the info. plist file under the Resources file. 2. Add a row in plist. The key is View controller-based status bar appearance and the value is set to NO (as shown below) In this way, the status bar is hidden. In addition, if the above

I. Preface As a data carrier, databases are frequently used. Generally, the database is created in the Entry Method of the program. The following describes how to create a database through an instance. Ii. Requirements Create a test. sqlite database

Write your own views on lazyload. This article focuses on common views. for image-related lazy loading, I plan to write it in a few days. Lazy loading is also called delayed loading. In general usage, you have a UITextField type property, which is

The built-in iOS navigation is used in project development because it is difficult to modify the style. Here I write a similar switching method. I think it is quite useful, probably because the code is written by myself .. Attach the code

1. UICollectionViewController you can use UIScrollView or UICollectionViewController when creating a nine-Cell Layout. When we use UICollectionViewController for nine-Cell Layout, it is more convenient and saves a lot of trouble, such as horizontal

We often encounter the need to call out another application in one application, such as clicking an address in the document and calling safari to open a webpage; for example, clicking a file in a file browser, automatically activate an application

Touch events fall into three categories Touch events (single point, multi-touch, and various gesture operations) Sensor events (gravity, accelerometer, etc) Remote Control event (Remote Control of iOS device multimedia playback, etc)Touch events

N the apple sample code "SpeakHere" you can do some thing like this: AudioQueueNewInput ( & MRecordFormat, MyInputBufferHandler, This/* userData */, NULL/* run loop */, NULL/* run loop mode */, 0/* flags */, & mQueue) You can do some thing in

  Effect:   To successfully display a UIPopoverController, follow these steps: Because UIPopoverController directly inherits from NSObject and does not have visualization capabilities, the content above UIPopoverController must be provided by

As we all know, no tool can easily build complex interfaces like html/css. To ensure a good user experience, sometimes we may choose to use html to display highly complex and reusable interfaces. On the iOS platform, it is natural to choose

A method defines the behavior of an object. A method defines an object that can be done. One method is a piece of code. You need to define the execution task or subroutine in a class. Methods can access and store class data and use this information

Use UIEdgeInsetsMaketitle on UIButton to align with the image  Differences between contentSize, contentInset, and contentOffset To display a UIView at the very beginning, you only need to call the bringSubviewToFront () method of its parent view.

Before ios7, you can use this line of code in AppDelegate to hide the status bar: [[UIApplication sharedApplication] setStatusBarHidden:YES]; However, in ios7, this line of code does not take effect. You need to add a configuration in the plist

The adaptation of iOS7 has been a hot topic for many iOS Developers since the release of iOS7. There are also different opinions on this issue on the Internet. Some say this is the Xcode5 iOS7SDK bug, but apple does not admit it as a bug, and

This tutorial is based on a previous project about Storyboard creation. You will learn how to use the design pattern, work with Fundaction, and write a custom class to add dynamic data to support your todolist application. This tutorial teaches you

Development on the mobile platform focuses on data and data processing, event processing, and UI. Therefore, event distribution processing is a very important part, and it is also an important parameter for a platform. If the event distribution

Page Control Knowledge point: (1) Page Control The Page Control is used to create and Control Multiple View Controls in the iPhone SDK environment. It specifies a small dot for each view Control Page in the program and displays the current Page

Source: Click to open the link In this tutorial, we will use gravity and collision effects. We are going to create a rectangular view that is driven down by gravity, however, this time, the lower edge of the app disappears from time to time, but

A new feature of iOS 7 is the switching animation between View Controllers. developers can also customize the switching animation in the program, such as flip View, zoom View, and rotate View. On the other hand, for iPhone use, it is undoubtedly