Android

Archive and archive1. ArchivingNSArray * array = @ [@ "ARCHIVE", @ "", @ ""]; // 1. Create an archive object NSMutableData * data = [NSMutableDatadata]; NSKeyedArchiver * archiver = [[NSKeyedArchiveralloc] initForWritingWithMutableData: data]; // 2.

How to define Toast and androidtoast in Android There is something in the Android system that is very useful and commonly used, that isToastHowever, if you use Toast for a long time, you will find that Toast has its own shortcomings: the form is

Android project notepad (8), android project notepad The previous section discussed the delete, restore, and empty functions in the handwriting function. How can the canvas, that is, graffiti, be undo, restore, and empty, be implemented

Code to open and close the database, code to close the database+ (Sqlite3 *) openDB{If (db = nil ){// Obtain the path of the Document file// Parameter 1: folder name parameter 2: Search domain parameter 3: whether to use absolute pathNSString *

Cocos2d-x v3.2 FlappyBird Class Object code analysis (7), flappybird Today we will introduce the last two classes GameOverLayer class GameLayer class The GameLayer class is the most important class in the game, because it is the central system of

Display QQ and control expressions in your controls The iPhone supports unicode emoji character set UILable, UITextView, UIWebView, and UITextField, which can be used directly and changed with the font size. Running result: Zookeeper code

Android custom control-Custom Attributes   When customizing android components, apart from using Java to build components, we sometimes need to declare some "attributes" for the project to use, so what is the component property?For example, when

How to Use the Android serialized object interface Parcelable What is Parcelable? Parcelable defines the interfaces for writing data to Parcel and reading data from Parcel. An object (represented by a class). To encapsulate it in a message, you must

Conversion between arrays and lists in Android development: androidlist1. Convert the List into an array. (The List here indicates that the object is an ArrayList)Call the toArray method of ArrayList.　ToArrayPublic T [] toArray (T [] a) returns an

Network development tools for IOS development and ios development tools Network development tools for IOS development Mobile development usually involves several modules: 1. network detection 2. Network request get and post requests 3. File Upload 4.

Android Memory leakage     The stack size of the android application is limited to 16 MB on T-Mobile G1, which is a huge memory for a Mobile phone, but it is not enough for some developers. Even if you do not need to use so much memory space, you

Learn about android-Notification, android Notification can be understood as the meaning of the Notification and will appear in the Notification bar. For example, a text message is sent. Follow these steps to use Notification: 1. Create the

Android 4.0 disables the system home key (continued) and android4.0 The last method was available in note3 and s5. However, some enthusiastic friends replied that the system home key could not be disabled on other mobile phones. So I searched again

Android database master secret (3)-upgrade table using LitePal, androidlitepal Reprinted please indicate the source: http://blog.csdn.net/guolin_blog/article/details/39151617 In the previous article, we learned the basic usage of LitePal and

My android interview path (3: various statuses), the path to androidEvery day, there are various statuses Wow, hahahahahaha I wrote a notebook just last night and sent it out in just one minute after it got lost. Wow, the following is yesterday -- I

IOS _ debugging tool _ SimPholders, ios_simpholders SimPholders is a small tool, It can help developers quickly access the iPhone simulator application. It can access the folders and files of the simulator.

Interaction between Notification and Activity, notificationOverview Notification is an information Notification method that is displayed on the top of the mobile phone to notify the user without affecting the user's operations. You can also use the

Android design pattern-Observer Pattern Definition of the observer design pattern: defines one-to-multiple dependencies between objects. In this way, when an object changes state, all its dependent persons will receive notifications and update them

Ios7 navigation controller switching affects the layout of UIScrollView, ios7uiscrollview In iOS 7, if a UIViewController's self. the first sub-view of the view is UIScollView. When the UIViewController is pushed or initWithRootController becomes

Android_Context: androidcontext Context may be the most commonly used element in Android applications, and it may also be the most misuse. Context objects are so common and pass-and-use. They may easily generate situations that are not as expected.