Mobile Develop

jni Field Descriptor "([ljava/lang/string;) V"([ljava/lang/string;) V" It is an encoding of function return values and parameters. This encoding is called the Jni field descriptor (javanative Interface fielddescriptors). 、An array of int[], it needs

To: summary and best practices for how iOS acquires unique identities for devicesReference: "Get unique ID for iOS device"To summarize:1. The code uses the Cfuuid+keychain implementation method.2.CFUUID, IDFA, IDFV are variable (other methods, such

Recently a small program fire, many non-professionals are also eager, but in the search for their own session_id is stuck, this article only from the technical aspects of how to crawl through the fiddler phone data, does not involve how to cheat ...1

Android custom TextView style, change background color, border thickness and color, angle radian, etc.Create a new Dd.xml file under the Res/drawable folder, build a Shap, add content that needs to be changedShapexmlns:android=

I said in my last blog that integrating OpenCV in Android, but that version of OPENCV is not sift and surf algorithms, because these algorithms are patented and are not included in the precompiled library, so if you want to use the SIFT and surf

/* * MSS_CANYANYIN.C * * Created on:2018 January 2 * *//* * CAN_TRANS.C * * Created on:2017 year June 28 * *//************ Include Files ********* * Standard Include Files. */#include #include #include #include #include #include /* bios/xdc

Gammaray is a tool to poke around in a qt-application and also to manipulate the application to some extent.Https://www.kdab.com/gammarayIntroduction Gammaray is a software introspection tool for QT applications developed by KDAB. Leveraging the

First, prefaceDuring the development process, Android may be typing a lot of packages to identify different store downloads. It turns out that Apple has only one store: AppStore, how do you make statistics from different sources? This article is to

Twitter has held its first developer conference in four years. This convention, called "Flight", is also the annual convention of the future.The theme of this conference is also entirely around the developer. The focus of the conference is a new SDK

An careless, running apk appears with two app icons, and clicking on a different app icon will open a different activity, but if you uninstall any one, two apps will be uninstalled at the same time.Encounter this question very puzzled, déjà vu

Timed log output to the specified directory and packaged1#!/bin/Bash2 3 Backuplog ()4 {5fromdir=$1;6todir=$2;7 8 if[[-Z"$FROMDIR"|| -Z"$TODIR"]]; Then9 Echo "parameter error!";Ten return; One fi A - if[!-d $TODIR]

The following code one is I based on the use of REM experience, I wrote a rem.js, found very useful, can be applied to all mobile H5 page Adaptive Requirements:code one: Window.onload=function () {/*720 on behalf of the designer to give the width of

In order to finish the requirements, you need to run an app on the Android system to control the hardware, today began to write the app.First of all, our system will only run this app, that is, we do not need the status bar, virtual keys and so

The relationship between RadioButton and Radiogroup:1. RadioButton represents a single round radio box, while Radiogroup is a container that can hold multiple radiobutton2, each radiogroup in the RadioButton at the same time can have only one is

1. Installation process search on the Internet is all, omitted here.2. Because debug debugging needs to determine the xdebug_session in the cookie, then go to Debug. Because the app interface request can not be transmitted, and even if the delivery

Basic concepts1, in Mobile Web-click events or sliding screen, kneading and other actions are by Touchstar, Touchmove, touchend these three time combination of the use of2, the Click event will have a 0.2 second delay on the mobile side, the

The current application network environment is more complex, network format has 2G, 3G, 4G network, there are more and more public Wi-Fi. Different network environment and network format difference, will affect the user to use the app. In addition,

Recently encountered a problem, just installed the WIN10 system, began to use a U disk, mobile hard disk plug can be read, but the recent plug did not respond, but plug the computer can be restartedCheck out all the methods on the Internet to

Xcode Playgound Sample code:Let TestView =UIView () testview.frame= Cgrect.init (x: -Y: -, Width: $, Height: $) Self.view.addSubview (testview) Testview.backgroundcolor=uicolor.redvartrans =catransform3didentity trans.m34= -1.0/ -Trans=

This time the plan does not refer to the tutorial, real deal start from zero to design a weather app, so there will be a more detailed processAt present, my level is for some basic framework such as rxjava,retrofit have a certain understanding of