Mobile Develop

At present in the industry, about the app interface design specifications are also not level, many are still stuck on 6 of devices and iOS 9 system, and now the latest is the iphone 7 and iOS 10 (the update is really fast), I am talking about the

This essay will explain in detail the concept of activity preservation, that is, saving activity state.I. Activity status Maintenance conceptIt is important to keep the activity state, for example, when we play a game, suddenly a phone call, this

Maybe some of them are unclear about the difference between load and initialize, so here's a quick look:Let's start with the + Initialize method: Apple officially has a description of this method: This method is called before the class is

This article is from my translation of the Infoq Chinese station, the original address is: http://www.infoq.com/cn/news/2016/01/kotlin-androidAndroid developers face a dilemma with language restrictions.As we all know, the current Android

The Android log system provides the ability to record and view system debug information.The Android log information has a tag and output level. The output level from low to high can be divided into several levels:V (Verbose)D (Debug)I (Info)W

Mybatis Mapper.java and Mapper.xml are capable of separation.It is not difficult to see from the diagram, whether it is/java or/resources, they eventually compiled the storage path is/target/classesSo separating XML from Java is an easy thing to

Application Projects: Performance testing for AppsApplication Scenarios: App start speed video speed loading speed etc ~ ~Edge: based on app logs and uiautomator test scenarios, test results are not straightforward and accurate response, the user's

Mainactivity.java Intent Intent = new Intent (); Intent.putextra ("message", "the value passed to Secondactivity"); Intent.setclass (Mainactivity.this, Secondactivity.class); /*  * If you want to start another activity and want to have a return

In real-world projects, the MySQL database is rarely accessed directly, and in general the data is routed to the server via HTTP requests, and then the MySQL database is connected to the server.In Android, the MySQL server is connected by using JDBC

1. First tell me what is json--the following is the JSON basic format, is actually a key value pair.{"People""firstName": "Brett", "LastName": "McLaughlin", "email": "AAAA""firstName": "Jason", " LastName ":" Hunter "," email ":" bbbb "" firstName ":

　As a result of the recent online search for a lot of Android connection to the HTTP method, but 2013 years ago, the method can not be used now, or error, or abandoned, the years left behind the things can only be sorted by themselves.It's really

Since the hbuilder automatic scanning mechanism cannot directly connect to the night God simulator , it needs to be handled manually through the CMD Command window to establish a connection between the two.First, start the hbuilder and night Gods

The smartphone development is really fast, like this year, most of my work is on the mobile page.A few more years, see Mobile Version/Mobile version of the page, limited to the browser and mobile phone performance, 2g network speed, etc.Web design

Script> functionMove(Keynum) {Get screen widthvar w=screen.availwidth;Get screen heightvar h=screen.availheightvar d = document.getElementById ("DV");Create random numbers, that is, our moving speedvar speed=Math.floor (Math.random () *100);Switch

First, Attribute IntroductionSets the background color when the button is pressed, the default setting is "Gray"Ii. Introduction of examplesTake the button control as an exampleMobiler Form Design interface See Figure 1Set the property to "255, 255,

If you have an Android environment, you can use the ADB commandFirst, the purpose of Monkey testing?This tool can be used to test stability. Developers work with monkey-printed logs and system-printed logs to resolve problems in testingSecond, the

IntroducedAppium is an open-source, cross-platform testing framework that can be used to test native and hybrid mobile applications. Appium supports iOS, Android and Firefoxos platform testing. Appium uses Webdriver's JSON wire protocol to drive the

The hardware acceleration here refers to the OpenGL + GPUIf hardware acceleration is not applicable:1 Viewrootimpl.java Draw:if (!dirty.isempty () | | misanimating | | accessibilityfocusdirty) {if (mattachinfo.mhardwarerenderer! = null &&

function Onbridgeready () {Weixinjsbridge.call (' Showoptionmenu ');}if (typeof Weixinjsbridge = = "undefined") {if (Document.addeventlistener) {Document.addeventlistener (' Weixinjsbridgeready ', Onbridgeready, false);}else if (document.attachevent)

Mobile network Interface DesignSummary: Mobile devices face diverse and dynamic network options, and the need to fully use these options requires knowing the intent of the application. Mobile network interface is a simple and powerful mechanism to