IOS file Operation related

1. Get the path to the photos folder under MainbundleNSString *photosdirectory = [[[NSBundle Mainbundle] resourcepath] stringbyappendingpathcomponent:@ "Photos"];2. Traverse Folder PhotosNsarray * Photosarray = [[Nsfilemanager Defaultmanager]

Android XML parsing Magic XStream II: Converting objects to XML

Foreword: The XStream does not understand, see: Android XMl parsing Magic XStream: Parse the Aa.xml file under Asset folder in Android project1. Javabeen Code PackageCom.android10; Public classProduct {PrivateString name; PrivateString age;

An explanation of Android layout properties

Some of the important attributes that relativelayout uses:First Class: Property value is True or FalseAndroid:layout_centerhrizontal Horizontal CenterAndroid:layout_centervertical Vertical CenterAndroid:layout_centerinparent is completely centered

Find an empty study room (SIR) app production process

The server-side has completed and has entered the initial testing phase and is able to run normally. In the design of the user registration interface There is a small problem, in comparison to the user input password and Confirm password does not

Android gesture recognition development-gesture auto-dialing

This paper mainly develops two features of Android gesture recognition Recognition gesture Auto-dialing Recognition gesture Close Program First step: Create a gesture libraryUse the SDK's own example Gesturebuilder to create a

Onactivityresult () in Android gets the return value

Requirements: Jumps from firstactivity to Secondactivity, operates in secondactivity, and returns to Firstactivity.The main code in firstactivity:private static final int request_code = 1;private static final int result_code = 101;Triggering

The realization of "Android" nine Gongge

The first step, the layout file The second step is to invoke the initialize grid in your activityGridView GridView = (GridView) Findviewbyid (R.id.gridview); arraylist> meumlist = new arraylist> (); for ( int i = 1; I map = new hashmap ();

Android Get View Height method

Not available directly with view.getheightmesure (because it hasn't been drawn yet)With thisint w = View.MeasureSpec.makeMeasureSpec (0,view.measurespec.unspecified); int h = View.MeasureSpec.makeMeasureSpec (0, View.MeasureSpec.UNSPECIFIED);

IOS Common Size

APP ICON:@1x:57*57@2x:114*114@3x:171*171 Models Screen size Resolution (PT) Resolution (PX) Ppi Iphone4s 3.5 inches 960*640 480*320 @2x 330 IPhone5S

Android uses Qrcode_swetake.jar to generate two-dimensional code

Only code that generates the QR codeThe advantage is that the number of occupancy methods is less than 65535public class Qrcodeutil {static Paint paint;static {paint = new Paint ();//Set a brush size of 3 yellow brush Paint.setcolor (color.black);p

Apple Watch video tutorial (serial)

650) this.width=650; "src="/e/u261/themes/default/images/spacer.gif "style=" Background:url ("/e/u261/lang/ Zh-cn/images/localimage.png ") no-repeat center;border:1px solid #ddd;" alt= "spacer.gif"/> Developing Apple Watch requires Xcode More than 6.

The use of toolbar and theme of android5.x new features

Reprint Please specify the source "android5.x new features of the toolbar and the use of theme: http://blog.csdn.net/feiduclear_up/article/details/46457433 csdn ruins of the tree"Android5.0 after Google strongly respected material design,

Ping An technology mobile development Second Team Technical report (sixth issue)

Ping An technology mobile development two team technical report (sixth) Industry News 1) WWDC 15 ConferenceAfter a hilarious rehearsal video of a very different past, WWDC 2015 this year, Cook said it was the most international conference, with

Ubuntuapplication Context Property in QML

We can see the ubuntuapplication API in the Ubuntu SDK documentation. But we do not see the specific usage of it. In this article, let's look at how to use the API in the following ways.Import QtQuick 2.0import ubuntu.components 1.1/*! \brief

android:exported Properties

Yesterday in the use of 360 scan application vulnerability, scan results, come out a android:exported property, actually did not know this property, but do not know what this property to do, see the details:So, check out the official API, learn this

iOS multi-language settings, action

There are two general approaches to multiple languages in an application:First, the process to provide users with their own choice of opportunity;Nsarray *languages = [Nslocale preferredlanguages];NSString *currentuselanguage = [languages

Android back function one: basic concepts

1. ConceptThe client program C calls a function A in the service program s, and then S, at some point, calls a function B in C, and for C, this b is called a callback function.Generally speaking, C does not call B,c itself to provide B's purpose is

ios-Video Playback

Video playback, in fact, no difficulty, I now understand, a controller, with a view. Where controller is responsible for loading video Url,controller generally have the following functions: Play (play), Stop (pause), Nextone (next), Beforeone

iOS8 Uivisualeffectview image Filter Effect processing

first knowledge of UivisualeffectviewUivisualeffectview is a new processing picture class in iOS8 and does not support systems below iOS8, that is, not supported in IOS7 and below. Here is a description of this class from Apple's official

Android Monitor GPs is turned on jump to set GPS

Monitor GPSPermissions: Main program code and Comments:/** * Monitor gps */private void Initgps () {locationmanager LocationManager = (locationmanager) This.getsystemservice (context.location_service);//determine If the GPS module is turned on, if

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