Mobile Develop

viewcontroller.m//CX QR code scan////Created by Ma C on 16/4/12.//Copyright? 2016 BJSXT. All rights reserved.//#import "ViewController.h" #import @interface Viewcontroller () @end @implementation viewcontroller-(void) viewdidload {}-(void)

First of all, I want to explain the meaning of the title, the concise format of the date of the presentation, the reason is because to let people at a glance, do not need to think about when.In detail is the time format we see in the circle of

In this essay, we just need to know what UIWebView is.UIWebView is a UI control provided by Apple to display a Web page, and it is also the most memory-occupying control.iOS8.0 after the WebKit framework, Wkwebview compared to UIWebView save 1/4~1/3

Sqlitedatabase classInstances of the Android.database.sqlite.SQLiteDatabase class represent the operation of a SQLite database, through which the Sqlitedatabase class can execute SQL statements to perform operations such as adding, modifying,

Self-release Pool @autorelease interview frequency may be the release is also high.(1) After you alloc an object (such as P1) in the active release Pool @autoreleasepool{}. [P1 autorelease] is still required, but this statement is different from [P1

Jump to the implementation of the specified appThe jumps applied in iOS are implemented via URLs, so we'll set up the corresponding URLs before implementing the app jump.Figure one (find the URL of the configuration software)Figure II (Specific

Developed on Android. We often use zoom animations, and there are two ways to scale animations in normal situations. One is directly through the Java code to implement, the second is to implement the animation through the configuration file, the

The first share of the next Android self-initiative some of the profiles and some of their own proactive framework status and technology can solve what kind of problems.This lesson went deep into the Android world. Swim, soar. Gain insight into your

Nsdictionary *result = value[@ "Data"];if (![ Result Iskindofclass:[nsdictionary class]]) {NSLog (@ "Data is not a dictionary");if ([Result Iskindofclass:[nsstring class]]) {NSData *data = [(NSString *) result datausingencoding: nsutf8stringencoding]

using appium test app Automation to find elements is cumbersome, no selenium find Web page elements convenient,And the limitations are relatively high, use is not too flexible.So here are some of the methods we usually use to find elements (for

Workaround 1:lsusb View the VendorID number, and then add (or modify) the 51-android.rules file under the/etc/udev/rules.d/directory.Add a record:subsystem== "USB", sysfs{idvendor}== "xxxx", mode= "0666" where xxxx is the value obtained by LSUSB

Guo XiaoxingWeibo: Guo Xiaoxing's Sina WeiboEmail:[email protected]Blog: http://blog.csdn.net/allenwellsGithub:https://github.com/allenwellList of "Android Studio Discovery Road Series" chaptersOne of the "Android Studio Discovery Trail Series":

On the phone to write a page, the button is the place to use the input tag button buttons, to the green background color, on the Android phone display normal, on the Apple phone display is not normal, such asWorkaround:CSS plus the following line of

In the course of iOS development, it is sometimes necessary to eject a soft keyboard for input and sometimes to hide the soft keyboard in some cases to improve the user experience.Today there are a few tips on soft keyboards to share with you.(1)

There is a H5 page in the project needs to be native, this page has a large number of local images, and these pictures are used 2x, 3x two sets of pictures, some of which are large enough to a single card can reach several m, the final result is the

Opening eclipse this morning, the connection to ADB was down, and a severe error had occured, unable to execute the program. Restarting eclipse, the phone once again connected to the computer can not be resolved, open the Ddms interface, unable to

If the scenario:Create two apps Appa and Appb,appa include a service that has a blocking method that generates a random number every 10 seconds, such as the following:public int Getrandomint () { thread.sleep (10000); return

Often hear around with Android friends complaining about the phone lag, memory is almost gone. Google claims to be able to perform Android 4.4 smoothly in 512M of memory. What on earth did it do?To summarize, it has done four main things:1. Optimize

This article has been synced to your personal blog: liyuyu.cnThe recent use of international multilingual (English + Chinese) in the project has found a problem when used. When the screen rotates. The app Language (Chinese) actively converts itself

By creating a simple "Hello World" example application first in Vanilla Javascript, and then in Preact without any tools, We'll learn what type of problems preact are solving for us and how are works at a low level. Then we'll switch to a Webpack +