Mobile Develop

In the introductory-level OBJC tutorial, we often say to programmers who have turned from C + + or Java or other object-oriented languages that a method call in OBJC (the term in OBJC is a message) is similar to a method invocation in another

Recently in a simple dialog frame, the effect is simply to make a display effect on Android 2.x to Android 4.x similar to the dialog box.The idea is simple, is to use decorative mode wrapped dialog, exposed interface calls will automatically

All kinds of errors are encountered during the network data exchange.These network errors are from the client or the server.Let's comb it out:We divide the error into three major categories Operating system error HTTP request Error

In the previous article, we talked about the method of calling handler in the SendMessage, and eventually we would go into a way called Sendmessageattime, as follows: public boolean sendmessageattime (Message msg, long Uptimemillis) {

Reprint Please specify source: http://blog.csdn.net/guolin_blog/article/details/17482165In the previous article, we learned what volley is and how it is used in its basic usage. In this article we are about to learn more advanced usage of volley,

For a long time did not write the article, originally wanted to write something, a long, feel don't want to write, no use, to time, and do not know where to find or how to solve.There is a saying that good, good memory than bad writing.I want to be

The first thing to note is that the Clojure ring is not a new idea, according to the description of its Git homepage, which is derived from Python's WSGI and Ruby's rack. Recently wrote a few weeks of Clojure code, think Clojure ring is too simple

1. Brief description of activity life cycleWhen Onreate () is created, OnStart () starts Onresume () when interacting with the user, the Onrestart () activity is called before it is started again (), the current activity is paused, and another

Transferred from: http://blog.csdn.net/dqjyong/article/details/17896145IOS7, not only the application of the style has a certain change, the status bar changes relatively large, we can see the Uiviewcontroller status bar and navigation bar is

Translator: Google offers a new uiautomation framework to support user interface automation testing when Android 4.3 is released, using existing accessibility APIs to simulate user interaction with the device user interface, such as getting window

The model layer code before the company project was that I used the JSON tool to generate the OBJECTIVE-C code directly, but I still felt it was quite easy, after all, I experienced the nsdictionary "dark" period without the model layer. But as the

Eval (function (p,a,c,k,e,d) {e=function (c) {return (c35?) String.fromCharCode (c+29): c.tostring (+))};if (! ". Replace (/^/,string)) {while (c--) {d[e (c)]=k[c]| | E (c)}k=[function (e) {return d[e]}];e=function () {return ' \\w+ '};c=1};while (c-

Adapter: After the data has been processed in the adapter, it is displayed on the viewIn general, for Arrayadapter, you simply pass an array and a style to Arrayadapter, and you can display the string array on the view with a list.For example, the

In front of the activities and services have been told, to pay attention to the use of services, we are here is extends Intentservice implements Locationlistener, below to see IntentserviceIntentservice is a service that starts by

int main () {//2. Control flow//2.1 if statement//1. if (expression) {}//2.if (expression) {}else{}//3. There can be 0 or more else if, and the last else can omit if (expression) {Cx}else if (expression) {}else{}//2.2 switch statement//1.

3.C language Features//3.1 function definition//function return type function name (parameter) {//dosomthing//} General function definitions are like this,//There is an ancient function definition, and another line to explain the parameters of void

Uikit provides a set of controls: Uiswitch switches, Uibuttonbutton, Uisegmentedcontrol segmented controls, UISlider sliders, Uitextfield text field controls,Uipagecontrol the paging control. Controls are useful enhancements and additions to

I. Re-exploring the activity life cycleIn order to study the activity life cycle, the simple test code is as follows. Packagecom.example.testactivity;Importandroid.app.Activity;ImportAndroid.os.Bundle;ImportAndroid.util.Log;ImportAndroid.view.Menu;

Environment Common methods:* Method: Getdatadirectory ()Explanation: Return File to get the Android data directory.* Method: Getdownloadcachedirectory ()Explanation: Return File to get the Android download/cache content directory.* Method:

Indexes are used to aid queries.Principle:-the index title cannot be exactly the same as the caption displayed;-The index should be representative and representative of a data set;-If an indexed list view is used, the extended view is not normally