Xcode encounters App Transport Security has blocked a cleartext HTTP error

Today, using Xcode to create a new project, use the URL to send a request, reporting the following error:"App Transport Security has blocked a cleartext HTTP (/HTTP) resource load since it is insecure. Temporary exceptions can be configured via your

Android ListView sets the height of each item

First, in my project in Android 4.4, the height of item in the ListView control was controlled by Listview.setminimumheight (100) In the Java file, but after the mobile system was upgraded to Android 5.0, Discover the settings of the ListView, using

Remove the background box that appears on the mobile-click event Tap-highlight-color

-webkit-tap-highlight-color This property is only available for iOS (iphone and ipad). When you click on a link or a clickable element defined by JavaScript, it will appear with a translucent gray background. To reset this performance, you can

Mobile Phone Scratch Card

Scratch card EffectMobile Phone Scratch Card

Android Screen Metering Unit

1.PX (pixels) (pixels): Is the physical pixel point of the screen, density-related, density, the PX on the unit area will be more. This is not usually recommended.2.dip or DP (density independent pixels): An abstract unit based on density, which is

IOS ui-lable Tags

1 //Label Uilable-display text2 //1. Create a label3UILabel *lable =[[UILabel alloc] init];4 //2. Set the coordinates and size of the label5[Lable Setframe:cgrectmake (0, -,375, -)];6 //3. Label Contents7Lable.text =@"";8 //Set

LUN Masking,lun Mapping Zone

We've got a separate disk array. Once the server sees the stored control system, it is possible to use the disk array disk resources, but the disk array cannot be used only for one server, so he must control the host to use some disk resources. This

Mobile Web Adaptive Header Code

  Mobile Web Adaptive Header Code

iOS Uialertcontroller frame (iOS 9.0 instead of Uialertview and Uiactionsheet)

After iOS 9.0 Apple officially announced that it is no longer or not recommended to use Uialertview and Uiactionsheet instead of the two with the controller to combine the two together very simple and convenient the following is a common approach to

Android Test framework 1 (non-original)

1. Inherit androidtestcase : public class JunitTest3 extends Androidtestcase {}2. Add the following code to the Androidmanifest.xml manifest file:Package= "com.example.showdata"Android:versioncode= "1"Android:versionname= "1.0" > Android:name=

IOS Access View Controller

1. UiresponderUiviewcontroller *UVC; Uiresponder* nextresponder = [Self.superview.superview.superview nextresponder]; if class ]]) { = (uiviewcontroller*) nextresponder; }2. Get present out of the current screen

Coordinate transformation in IOS development note--uiview

[OBJC]View Plaincopy Converts pixel point from view to target view, returns the pixel value in the target view -(Cgpoint) Convertpoint: (cgpoint) point toview: (UIView *) view; Converts a pixel point from view to the current view,

iOS system Architecture and Common framework (iOS system architecture is divided into four levels)

1.iOS is based on UNIX systems, so it's much better from the stability of the system than the products of other operating systems.The 2.iOS system architecture is divided into four tiers, from top to bottom: the touch layer (Cocoa touch layers), the

iOS Project framework

Recently saw some of the things about the server, some very simple things, is just a few document specifications, in addition to the recent WWDC some of the video, feel that the software architecture (software architecture) understanding and clear

How can I improve the performance of UITableView in iOS?

Recently read an article on how to improve the performance of UITableView, English original address: https://medium.com/ios-os-x-development/ Perfect-smooth-scrolling-in-uitableviews-fd609d5275a5#.jet1gcbax, after reading the important content

Android-okhttp Preliminary use

Since Google has changed the Android request framework to Okhttp, the Android developers have become more and more hot discussion, all of me as a hanging silk Android programmer, also can not be too backward, so take it for yourself, although the

Flappy Pig Small Game Source Analysis (4)--core pig module (not yet to be continued)

After the warm-up, we have to move a little more seriously, the game called Flappy Pig, our pig is finally coming out.The usual, look at the directory structure, the reader to the directory structure to think back to the several modules we have

Simple phone header settings and CSS code

HTML> Head> title>Today's reporttitle> Metahttp-equiv= "Content-type"content= "Text/html;charset=utf-8"> Metaname= "Viewport"content= "Width=device-width, initial-scale=1" /> Head> style>html, Body, UL, Li, ol, DL, DD, DT, p, H1, H2, H3, H4,

IOS uses Dispatch_once to create a single case

gcd

Whether it is love or hate, you need a single case. Virtually every iOS or Mac OS app will have at least uiapplication or nsapplication.What is a single case? Wikipedia is so defined: in Software engineering, a singleton is a mathematical

Workaround for iOS incompatible CSS active properties

: The active pseudo-class is in effect at the time when the ' MouseDown ' event is triggered, and there is no ' MouseDown ' event on the phone, instead of ' Touchstart ' and ' touchend '. Just give this a link to any event of the Touch series

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