Mobile Develop

1. Distinguish between click and double clicking events-(void) addtaphandler{ //Click Recognizer uitapgesturerecognizer* singlerecognizer; Singlerecognizer = [[UITapGestureRecognizer alloc] initwithtarget:self action: @selector

Android Studio in the new project will be online synchronization update Gradle, the people of the Heavenly Kingdom will probably update the failure drops, and the following error:Gradle Project Sync failed android StudioGradle Network is

Why?　　　　Because UI operations are not thread-safe in an Android system, it can cause thread-safety problems if multiple threads concurrently operate on the same component. To solve this problem,Android has a rule that allows only UI threads to

The first method: The second method: The third method: The fourth method:PHP////This part of the cell phone stationHeader ("Cache-control:no-cache"); Header ("Pragma:no-cache"); $ua= Strtolower ($_server['http_user_agent']);

Import Header file:#import -(void) Currentwifissid {Does not work on the simulator.Nsarray *ifs = (__bridge ID) cncopysupportedinterfaces ();NSLog (@ "ifs:%@", IFS);For (NSString *ifnam in IFS) {Nsdictionary *info = (__bridge ID)

It is well known that CSS technology is very familiar to us, and it is easy to get stuck in the process of using it, which makes us disadvantageous when new problems arise. As the web continues to evolve, the demands for new technologies and

The French National Health Security Agency set up an expert group of 16 experts in 2011 to review more than 300 scientific research reports since 2009 and to write an evaluation report on "Radio frequency and health".The French agency mentioned that

Find a description of the application link, for example: http://itunes.apple.com/gb/app/yi-dong-cai-bian/id391945719?mt=8Then replace HTTP ://With itms://or itms-apps://

Import Header file:#import 32-bit MD5 encryption methodMD5 32-bit encryption (lowercase)-(NSString *) MD5: (NSString *) str {const char *CSTR = [Str utf8string];unsigned char result[32];CC_MD5 (CStr, strlen (CSTR), result);return [NSString

viewcontroller.m//ble1////Created by Shawn on 15-1-29.//Copyright (c) 2015 BILL-JC. All rights reserved.//#import "ViewController.h" #import @interface Viewcontroller () @property ( Nonatomic, strong) Cbcentralmanager *centralmanager; @property

First, the default does not get focus:In the parent control of the layout file, set the following properties:Android:focusable= "true" android:focusableintouchmode= "true"egLinearLayoutstyle= "@style/fillwrapwidgetstyle"android:orientation=

The so-called graphical interface is x window+gnome or x window+kdeUnder CentOS, there are several package groups belowYum groupinstall-y Desktop "X Window System"OrYum groupinstall-y desktop "KDE desktop"Ruiy another x Window server see this

In recent project development, using WebView to load HTML pages saves a lot of time on page development and also accelerates project progress.We need to display product reviews, page design is as follows:To invoke the Android code, the settings for

First, Uisearchbar when used alone, set the style:UIView *view =[mysearchbar.subviews objectatindex:0];View.backgroundcolor =[uicolor Clearcolor];For (UIView *backview in view.subviews) {if ([Backview iskindofclass:nsclassfromstring (@

When the development of a large number of application modules, resource files will be particularly large, layout will be more up, when all the layout is placed in the same directory, it will appear bloated, and not good to find the corresponding

Sharedpreferences is the most understandable data storage technology in Android, and in fact sharedpreferences is dealing with a key-value (key-value pair). Sharedpreferences is often used to store some lightweight data.Sharedpreferences is a

Ferromenu is a cool mobile-first jquery ring menu effect plugin. The Ring menu plugin allows you to easily create a circular menu that can be dragged to 9 locations on the screen (east, south, west, north, Middle and southeast, northwest, northeast,

// 我使用的AVAudioPlayer, 首先先导入库文件, 写上头文件,签上代理#import "ViewController.h"#import typedefNS_ENUM(NSInteger, playStatus){ // 这个枚举用来控制暂停和播放的切换    playStatusNo,    playStatusYes,     };@interfaceViewController ()@property(nonatomic, assign) playStatus staus;@

/* 初始化导航按钮 */{            credits = [ [ [ UIBarButtonItem alloc ]                          initWithTitle:@"Credits"                        style: UIBarButtonItemStylePlain                          target: appDelegate                          action:@

Using Nagios to monitor a program on a monitored server, the script returns a status value by looking at the status of the process and sending it to nagios for monitoring purposes. Nagios each plugin monitoring will return the following status