Mobile Develop

First, the knowledge point simple introductionWhat is a 1.UIScrollView control?(1) The screen of the mobile device? Small is extremely limited, so direct exhibition, the content of the user's eyes is also very limited(2) When the exhibition shows

First, the tag parameterA view typically has only one parent view and multiple child views, which can be removed by using the child view's tag in development. The method is Viewwithtag:Cue point: In Xib, if you want to get the corresponding control (

This article mainly introduces 3 ways to record and restore the ListView scroll position (1) record the coordinates where the listview is scrolled (recommended) (2) Record the position of the first item on the screen that the ListView is displayed

UIWebView Load Project local page with local picture-(void) viewdidload{[Super Viewdidload];NSString *filepath = [[NSBundle mainbundle]pathforresource:@ "1" oftype:@ "html"];NSString *htmlstring = [NSString stringwithcontentsoffile:filepath

It's not working under iOS7 because the hierarchy of iOS7 is changed.Uitableviewcell->uitableviewcellscrollview->uitableviewcellcontentview->your Custom ViewHere are 2 ways to solve this problem-(void) visitbuttonclicked: (UIButton *) Sender

First, the Knowledge reserve1, the attribution of the search steps1) Get user input phone number2) Filter the user's error input--Using regular expressions3) Query database, feedback results2, the characteristics of telephone numbersPhone number

Chinese package Download: Http://pan.baidu.com/s/1kVKYUjHAndroidstudio v2.0.x. Introduction to the Chinese version of the workResource_en.jar------> Resource_cn.jarThis localization is based on Androidstudio V2.0.0.20 (20160408) The latest V2.0

-(BOOL) Application: (UIApplication *) application didfinishlaunchingwithoptions: (Nsdictionary *) launchoptions {//Override point for customization after application launch. //Sandbox (sandbox)//Documents (document, user active data

Jumping to AppStore ratings before ios6.0 is usually straight to AppStore ratingNSString *evaluatestring = [NSString stringwithformat:@ "itms-apps://ax.itunes.apple.com/webobjects/mzstore.woa/wa/ viewcontentsuserreviews?type=purple+software&id=587767

iOS Development UI Chapter-uiscrollview control implements picture CarouselFirst, the realization effectAuto-Carousel for imagesSecond, the implementation of the CodeLayout in StoryboardCode:1 #import "YYViewController.h"2 3

Today to understand Keychina, previously saved user information is placed in Nsuserdefaults, this is not safe, now write I will put in Keychina, because he stored the information is still relatively safe, Keychain information is present in the

Upstream Uat_appnew {Server 192.168.248.4:8081;}Upstream Uat_app {Server 192.168.248.4:8080;}server {Listen 80;server_name www.zzh.com;CharSet GBK;Access_log/var/log/nginx/host.access.log main;Rewrite ^ (. *) https://$server _name$request_uri

Before someone looking for the effect of the gradient progress bar, free to write one, and then draw the view level, easy to explain.Environmental information:Mac OS X 10.10.3Xcode 6.3.1IOS 8.3：Source:

1. Starting from iphone3gs, the width and height pixels are 320*480, screen size 3.5 inch, screen ratio 4:32.iphone4 and 4S, the wide and high pixels are 640*960, but from the point of view of the program is still 320*480 (this is due to the retina

Block is an iOS new program syntax after 4.0, typically used for callback methods, functionally similar to delegate. This article will explain several common uses of block, of course, the most noteworthy in block is its memory management, I will

1. Differences between classes and objectsA class is an abstraction of an object that is a concrete instance of a class.Classes are abstract, do not occupy memory, and objects are specific and occupy memory space.For example: The class is the fruit,

Package Com.example.mobile.utils;import Android.content.context;import Android.graphics.pixelformat;import Android.view.windowmanager;import Android.widget.textview;import Android.widget.toast;public class ToastUtils { private static

More of these two bags, the scope changed to compile to providedDependency> groupId>Javax.servletgroupId> Artifactid>Javax.servlet-apiArtifactid> version>3.1.0version> Scope>ProvidedScope>

Pure hand-made Android boot page, achieve Viewpager switching fade in (page does not move!) ) Toggle and text animation.Here is the effect demo:Realization of ideas + mental process ... ：In fact, everything else is quite simple, is this viewpager

　 　 Background Some time ago the company had a need (to export a batch of data to the business every day, in the form of Excel e-mail sent to him). A says: Write a service directly, Judge equals a certain time point, Execute SQL statement,