Android

Develop blogs and organize blogs Develop Blog records to clear favoritesIt's too much to read. Http://blog.sina.com.cn/s/blog_67d95f40010113ec.htmlHttp://segmentfault.com/a/1190000000394972Http://a.code4app.com/android/ListViewAnimations/526dfc8d680

Implement yydatasetchanged and notifyDatasetChanged by yourself In this blog today, we will implement the most commonly used notifyDatasetChanged feature of the adapter. We will use a LinearLayout to implement a function that may be frequently used

High-imitation new message prompt function, high-imitation message Recently, the company is working on a project to switch the message tone function. This function allows the app to switch the tone of the message received without affecting the

Whether to directly access instance variables and instance variables This is an endless debate.What are the differences between direct access to instance variables and getter?1. direct access to the instance variable is fast because it directly

Use [[[UIDevice currentDevice] systemVersion] floatValue] with caution when obtaining the iOS system version. ios judges the system version. The most common way to get the system version number for iOS is: [[[UIDevice currentDevice]

Two fragment deployment methods in android 1. Static class deployment method: Layout. xml Android: layout_width = "match_parent" Android: layout_height = "match_parent" Android: orientation = "vertical"> Android: id = "@ +

Android EditText input detection, androidedittext A Story occurred when a function was recently developed. The plot is as follows: The function is not complex, and an EditText is needed to obtain the user input information. Therefore, I made a

When the ListView has a Header, the position in onItemClick is incorrect. onitemclicklistener When a HeaderView is added to the ListView (the Code is as follows), we find thatpositionThe parameter value is not what we expected. For example, if you

Android shape, androidAndroid shape draws a border, specifying one side When android wants to implement a table with a border similar to a webpage, this border is still not very well processed. Sometimes, when there are four edges and some edges do

Android Window, androidwindow Window indicates an abstract window class, which is only an abstract window class, and its unique implementation class is the PhoneWindow class. The Window object is obtained by calling the getWindow () method in the

Core Graphics conversion, coregraphics GraphicsSimple Coordinate Transformation: Quarzd 2D provides three APIs for Coordinate Transformation: // 1. Shift transformation CGContextTranslateCTM (CGContextRef c, CGFloat tx, CGFloat ty ); For the

Java learning [After-School Notes], java after-school notes Blog: http://blog.csdn.net/muyang_ren Complete the following exercises with encapsulation and constructor. If there is no special declaration, write the attribute as private.Exercise 1: 1)

Android --- 54 --- WebView beginner, androidwebview The webView component is implemented by a browser. Its core is based on WebKit.   1. Use WebView to browse the webpage: Common Methods:Void goBack (): backwardVoid goForward (): ForwardVoid loadUrl

Android UI: use rule of layout_weight attribute in LinearLayout, androidlayout First, check the android sdk documentation. LinearLayoutAlso supports assigningWeightTo individual children withandroid:layout_weightAttribute. This attribute

Android -- taskAffinity attribute, androidaffinityThe ownership of the Activity, that is, the adsorption relationship between the Activity and the Task in which the Activity should be located. We know that in general, in the same application, all

Taibai --- Fu Yan, Feifei, the first Android unit testing Instrumentation and irobotium, androidirobo.pdf PS: It's too white --- falling Yan Feifei is purely fun (the sense of the screen of Tianya Mingyue game, the sense of combat, the collision is

Custom Control: slide menu, custom control slide menu Slide panel is now easy to find mature third-party frameworks, but we can do it ourselves and write some core code to help us understand it. 1. Write a class to inherit ViewGroup Rewrite the

Incircle method, incircle /*** Circle ** @ param bitmap * original Bitmap * @ return New Bitmap */public static bitmap getRoundBitmap (bitmap) {try {int width = Bitmap. getWidth (); int height = bitmap. getHeight (); int left = 0, top = 0, right =

Andorid custom SwitchButton, android Custom button Because of the project, you need to re-customize the SwitchButton. The effect is as follows:   The process is as follows: 1. Draw rounded rectangle 2. Font drawing 3. Draw small circles 4. Draw the

Custom Controls -- pull-down refresh, controls -- drop-downPull-down refresh Inherit existing controls Inherit ListView Adds a Header to the ListView for pulling down and refreshing. Add a Footer foot to ListView to load more