The message processing mechanism in Android consists of four parts: message, Handler, MessageQueue, and Looper, and MessageQueue encapsulated in Looper, we generally do not deal directly with MQ.First, LooperLooper literally means "circulator",
function calls in the 1.OBJECTIVE-CFor the C language, the function call is done directly by the compiler, and at compile time the program begins to look for the function to be executed (the principle of C-language function invocation). In OC, we
I. Common naming conventions1. Pascal's method of life:Capitalize the first letter of each word. such as: PersonName, Schoolname2. Camel Name Law:The first word is lowercase and the first letter of the remaining words is capitalized. such as:
Transferred from: http://xiechengfa.iteye.com/blog/1044721Some common Android interview Basics do a summary to see how many paths you can make?1. What are some of the ways in which activity is initiated by intent, and do you know what each means?
As we all know, the Android resource file is an int type ID to save its reference, through the annotation type, we can write the code, the time to find the parameter type of error, avoid potential bugs, as follows:By @LayoutRes We specify that the
Introduction of Android serializationWe already know that the object needs to be serialized when Android uses Intent/bindler to transmit data to the IPC.Java has already provided the serializable interface for serialization and is very simple to use,
Code specification URL: http://www.csdn.net/article/2015-06-01/2824818-objective-c-style-guideHttps://github.com/VincentSit/NYTimes-Objective-C-Style-Guide-ZH1, the number of lines of the method cannot be greater than 150,controller the number of
Today, I learned the methods and applications of gestures in iOS programming, and there are many controls in the screen page, some controls can have click events and users interact directly, can execute corresponding methods, such as
Two days of continuous update of Windows ActiveX, and iOS two platforms.Windows ActiveX update is primarily joined by encrypted stream online playback support.iOS is optimized for rendering video.Windows ActiveX-related address: http://blog.csdn.net/
For a small number of mobile devices only need to fit, and the resolution of the page has little impact, the use of PX canFor devices that need to be adapted to a variety of mobile devices, use REM, such as a device that only needs to be adapted to
The system architecture of iOS is divided into four tiers: core operating system layer (core OS), Kernel service layer (center services), media layer (multimedia), and touch layer (Cocoa touch). The following is an iOS system diagram. One, Core OS
JSON (JavaScript Object Notation) is a simple data format that is lighter than XML.JSON is constructed in two structures: Finally, a format that is rarely shown at the end of the article1, the collection of "name/value" pairs (A collection of
I. Overview Activity can be said to be the carrier of the application (can also be understood as the interface of the carrier, but not the interface), the user can draw the interface (activity itself does not draw the interface), and provide users
Below is an Android httpsurlconnection HTTPS request tool class that ignores the correct HTTPS certificate and does not need to verify that the server-side certificate is correct Import Java.io.bufferedreader;import Java.io.ioexception;import
Uitableviewcontroller or Uiviewcontroller ()Post viewwillappear: (BOOL) animated not executedHere's how to fix it:First, add in the *.h header file.Then add the relevant code to the *.M file.self.navigationcontroller.delegate=self;Then use the
1. Generate Cocos Prebuild LibraryDebugor Cocos gen-libs-m release2. Create a test project with a commandCocos New Test-l CPP3. Modify Android ProjectModify the following two files:1. Proj.android/build-cfg.json2.
A few days ago write code encountered a place need to get latitude and longitude, do not need Baidu map, because as long as the current location of the latitude and longitude on the line, the Android API has a built-in method, here to write, the
External storage for AndroidAndroid supports external storage (case-insensitive filesystem with immutable POSIX permission classes and modes).External storage can be provided through physical media, such as an SD card, or by encapsulating a portion
In Android, there are several ways to implement network programming:Create a URL and use Urlconnection/httpurlconnectionUsing HttpClientUsing WebViewCreate a URL and use Urlconnection/httpurlconnectionJava.net.* below provides the basic
"all Rights reserved, Please specify the source of the reprint." Source: http://www.cnblogs.com/joey-hua/p/5138585.html "Crackme Project JNI key code (project address at the bottom of the article), get the current Program's package name
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