Quick sort of Android learning experience

Quick Sort (Quicksort)is an improvement of the bubble sort, its basic idea is: by a trip to sort the data will be sorted into two separate parts, one part of all the data is smaller than the other part of all the data, and then this method to the

Ways to keep Android SDK manager up-to-date

First, go to C:\Windows\System32\drivers\etc, locate the Hosts file, and open it with Notepad.At the end of the document, add:#Google主页203.208.46.146 www.google.com74.125.113.121 developer.android.com# The updated content is downloaded from the

Set up code implementations for Android devices to always keep Wi-Fi turned on during sleep

Mainactivity as follows:Package Cc.ab;import android.os.bundle;import Android.provider.settings;import android.app.activity;/** * Demo Description: * Set the device to always keep Wi-Fi turned on during sleep. * * Reference: * 1 http://stackoverflow.

Use of "Turn" Android Gson

Android Gson May 22, 2014 Android The current client has to interact with the server, and the format of the data is basically JSON, so in the Android development is often used in JSON parsing, it is convenient that Google

iOS Development UIWebView

UIWebView is one of the most commonly used controls in the iOS SDK. is a built-in browser control that we can use to navigate the Web, open the document, and so on. In this article I will use this control to make a simple browser. Such as:We create

Touch events for mobile internet terminals, Touchstart, Touchend, Touchmove

Mobile devices such as smartphones and tablets typically have a capacitive touchscreen (capacitive touch-sensitive screen) to capture the interaction of the user's finger. With the development of mobile networks, which can support more and more

Android another super beautiful calendar control

※effect※ How to use Package Com.fancyy.calendarweight;import Java.util.arraylist;import Java.util.list;import android.app.Activity; Import Android.content.context;import Android.graphics.drawable.bitmapdrawable;import Android.os.Bundle;import

IOS using DrawRect: Draw dashed ellipse

IOS using DrawRect: Draw dashed ellipse1: First if you want to use DrawRect drawingTo import the Coregraphics.framework frameworkThen create a custom view, that is myview inherit UIView;2: Rewrite-(void) DrawRect: (cgrect) rectMethod3: Add the

META tags on mobile platforms-----magical effects

For the desktop platform Web layout Everyone is familiar with meta tags, it is always located inside the head element, to do SEO friends must have a special affection for meta, today we say mobile platform META tag, on the mobile platform META tag

Android send GET request times wrong

Exception information:Java.lang.RuntimeException:Unable to start Activity componentinfo{com.synology.synologycloud/ Com.synology.synologycloud.MainActivity}: Android.os.NetworkOnMainThreadExceptionThe first time you see this exception, literally

How to compile Poco for IOS (Xcode 5)

I found a compilation script on the Web, "Poco C + + iOS and Android platform compilation script ," error when executing:LS:/developer/platforms/iphoneos.platform/developer/usr/bin/llvm-gcc-*: No such file or directoryGo into Poco and look at the 3

IOS Physics engine

From IOS7 by tutorials Here's a little bit of a personal translation summary1, first draw a block in the initialization methodUIView* square = [[UIView alloc] initWithFrame:CGRectMake (+, +, + )]; Square.backgroundcolor = [Uicolor

(EXT) IP address, mobile IP query

Page Address: http://www.ip138.com/The address of the outside chain (the actual main page is inside) http://www.ip138.com/iplink.htmThe contents of the outer chain address:IP Address: "It's mainly the action:http://www.ip138.com/ips1388.asp and the

iOS development--rotate, move, and scale gesture instance code

The code is as follows:C code Add all the gestures -(void) Addgesturerecognizertoview: (UIView *) View { //Rotation gestures Uirotationgesturerecognizer *rotationgesturerecognizer = [[Uirotationgesturerecognizer alloc]

"Little essay" Creation of message in Android--new message with Handle#obtainmessage ()

private void Testhandlermessage () {Message msg = new Message ();  Msg.what = 1; Handler.sendmessage (msg);}In many Android reference books, there is often a fragment similar to the above code.And when it comes to real-contact projects, you need to

Embedded Unity3d view in Android app (3D model)

Reprint Please indicate this article from Big Corn's blog (http://blog.csdn.net/a396901990 ), thank you for your support! Effect Show:Opening nonsense:The team I'm in now needs one person a week to introduce you to a knowledge point, or a new

Exception handling of iOS

Whenever there is a bug or crash, we are always accustomed to join the NSLog or single-step debugging. But often there are times when there is no inexplicable reason, look back at C + + for exception handling some of the summary.@try {} @catch

Android screen and layout issues

Here I did a little test, before I saw something about this, until later I really met the project, the last resort to really familiar with the inside of the process.Here I put the test source:Testactivity.javaPackage Cn.com.hrmdemo;Import

iOS Development Review notes (3)-arc

1.ARC When you call the release or retain statement yourself, ARC compiles the file when it is valid, and you can support both arc and non-arc code in the mashup through the-fno-objc-arc and-FOBJC-ARC two compiler flags ARC is supported as compiled

Android--memory leaks

Android allocates different memory usage caps for different types of processes, and if the application process uses more memory than this limit, it is considered a memory leak and is killed by the system. The upper memory limit that Android

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