Mobile Develop

the first is the compatibility of the operation and a mobile browser: The traditional device users use the mouse (including the touch version) and keyboard to manipulate the page, enlarge the picture, drag elements, page scrolling and so on. Some

The Android platform incorporates integrated strategy ideas, including the underlying Linux operating system, middleware in the middle tier, and upper-level Java applications. Let me summarize the features and architecture architecture of

Look at the development process, often to use the amount of memory to optimize the program.To view the application's commands: adb shell ProcrankShown below:PID Vss Rss Pss Uss cmdline79560K 74736K 49624K 43604K system_server14335 55776K 55740K 31308

1:tableview Headerview always stay on top of screen: Create view in Proxy method and add to HeaderviewL Example:-(UIView *) TableView: (UITableView *) TableView viewforheaderinsection: (Nsinteger) section{    if ([ Self.title isequaltostring:@

10.26 the beginning of the day: you insist, look at the finishingAn application is usually composed of multiple activity, which are loosely coupled relationships. In particular, there is an activity as the main activity of the app, which is

Methods: Target.appendchild (Ele);There are two actions that occur when you execute the method:1. Remove the element ele from the original parent element2. Append the element to the new target element, preserving all style information and events for

Android reads files under asserts and raw foldersOften need to read "/res/raw" and "/asserts" folders under the file, simply written as a tool to facilitate later use.One, the raw folder under the file Operation Tool class:1 /**2 * File Processing

1, Internet thinking is the reputation of the kingIn fact, in the past to select products, we have always been friends or experts in the word-of-mouth recommendations to make decisions, but not the mainstream. And today the word of mouth for the

Recent projects encountered a problem in the development environment without the problem of code, in the production environment will report the following error:Critical: A Web application registered the JBDC driver [Oracle.jdbc.OracleDriver] but

Google offers a package of Android support Library packages to ensure compatibility with high-version SDK development, that is, when we develop with 4.x, we can use some features of the higher version, such as Fragement, in the 1.6 version.

Baidu maps Android SDK or IOS SDK or a variety of API tools products, are using Baidu's own encrypted coordinate system.Many developers in the use of the process, location points are obtained through GPS or other means, so with the Baidu map used by

Nsmutableset *set=[nsmutableset set]; [_list enumerateobjectsusingblock:^ (id obj, Nsuinteger idx, BOOL *stop) { [set addobject:obj[@ ' Measuretype ']];//takes advantage of the set non-repeating attribute to get how many groups, depending

Everyone must download a certificate before using the Apple account for developmentApplewwdrca.cerThis certificate is only used once, equivalent to enter the Apple Park tickets, with this certificate on behalf of Apple authorized to your application,

In Android development, the monitoring of Return key events is often used, following an example to demonstrate the Android to the return key event monitoring.public class Backkeytest extends activity{/** called when the Activity is first created. */@

1.work with me the art and Planning said to give the protagonist and the protagonist Halo, around the oval movement. Cocos2d does not have, reference on the internet wrote a.2. Elliptical Mathematics Knowledgemathematical knowledge about ellipses

Scenario Reproduction:Write Android program also for some time, today suddenly asked how to implement a circular picture, many app images are round. But the user uploads the image is not round, so the problem comes, need our code to implement a

In JS, call and apply their role is to bind the function to another object to run, the two only in the definition of the parameters of the way there are differences, let me give you a brief introduction of the use of calling and apply.In the Web

1. Difference:1. page refers to the current screen as valid. Valid in a JSP page2. request refers to the whole process of a request, that is, from the HTTP request to the end of the server processing, return the entire process of the response,

[Java] View plaincopyprint?Import Java.text.SimpleDateFormat;SimpleDateFormat formatter = new SimpleDateFormat ("yyyy mm month DD Day HH:mm:ss");Date curdate = new Date (System.currenttimemillis ());//Get current timeString str = Formatter.format

Use a database to implement storage of data.The following is a small example, write a diary.The effect is as follows:When no data is displayed in the ListView, we need to tell the user that there is no data.There are two methods:1.Activity inherits