Mobile Develop

First of all, Drawerlayout this class is in the support library, need to add Android-support-v4.jar this package. The import android.support.v4.widget.DrawerLayout is then imported in the program. If this class is not found, first update the Android

Before I just heard the urgent audit, has not been used. The use of yesterday is really very good to force. Last night nearly 8 o ' clock (Beijing time) submitted the application, this morning to see the work has passed the audit, and can be

Ping An technology mobile development two team technical report (fifth) industry news 1) What benefits does Google I/O 2015 bring to Android developers?This year's update somewhat does not give the force, at least appears not enough Geek. I also do

Running Android virtual machine always say that the ADB port is occupied, but you find the occupied port and kill after the virtual machine still reported such errors, suffer for a long time, in fact, the reason is that your computer installed rogue

Mark a moment:Animations can be implemented via XML or Android code.Animation animation effects can be implemented in two ways, tweened animation (gradient animation) and frame by frame animation (picture conversion animation).There are 4 types of

Notice a small pit of the TextView control in Android, and the dynamically loaded layout will lose the style when you use Android:theme to set the styleThis pit must be noticed,For example, when using a ListView, if the layout in List_item is using

First describe the cause of the problem, at the beginning of a Baidu Map SDK to write a demo to try the function, because the first use of the eclipse comes with the AVD to debug, everything is normal. Can be normal verification, but because of the

1, Introduction:1.1 iOS has three multithreaded programming techniques, namely:1., Nsthread2, Cocoa nsoperation3. GCD Full Name: Grand Central DispatchThese three ways of programming from top to bottom, the level of abstraction from low to high, the

Mobile default compatible with each phone ratio

As we all know in the App_Code class, we do not need to introduce namespaces when referencing it. So why can't you just call it? 2The problem is in the way it generates operations. The specific solution is as follows: 3We first find the

In the program, some data we want to be ready when the program is started, and only once, in the application scope, we usually use listener to prepare the data. However, using listener to prepare the data for the application scope, there are some

In memory tense, we will choose to delete some insignificant large files to free memory, there are many netizens found in the System C disk under a AppData folder, and the volume is very large, do not know whether can delete, for this problem, This

Creating a project in Xcode will see a file with the plist suffix type in the supportion files directory, which is the value of the key value pair stored with key value. Its full name is: Property list, the attribute listing file, which is a file

1. definition:Attach additional responsibilities to an object dynamically keeping the same interface.Decoators provide a flexible alternative to subclassing for extending Functionality.The ability to dynamically extend an object without having to

PortalGitHub Address: http://developer.android.com/guide/topics/renderscript/compute.html;https://github.com/kikoso/android-stackblur;CSDN Reference Knowledge: http://blog.csdn.net/huli870715/article/details/39378349Thanks to the selfless dedication

Original: http://blog.csdn.net/dqjyong/article/details/7685898introduction of commissioned Delegation:Delegate delegation is a simple but powerful design pattern that functions as one object in a program represents another object, or an object works

1. Add text -(UIImage *) addText: (UIImage *) img text: (nsstring *) text1 {          //get image Width and height          int w = img.size.width;         int h = img.size.height;         cgcolorspaceref colorspace = Cgcolorspacecreatedevicergb ();

Sandbox detailed1. iOS sandbox mechanismiOS applications can only read files in the file system created for the program, not access to other places, this area is a sandbox, so all non-code files to be stored in this, such as icons, sounds, images,

Portal: android+sqlite Realization of ancient poetry reading application (i) android+sqlite realization of ancient poetry reading application (ii) to join the function of Sharing.Many applications have the function of sharing, I also want to add

How Android uses the Read-write cookie methodYou can use Sharedpreferences or SQLite to save user information private static hashmap  cookiecontiner=new hashmap ()  ;    /** *  Save cookie *  @param  resp */     public void savecookies (httpresponse