Mobile Develop

Simple usage of IntentIntent some simple usagePass Value:Intent intent=new Intent ();Intent.putextra ("Extra", "This is the value of page one!") ");Intent.setclass (Test_for_intentactivity.this, Actpage2.class);StartActivity (Intent);Value:Intent

Peripheral ( peripheral) is a device that has been or has stored data , Central is thedevice that uses this data . All the availableIOS devices can also be used as a peripheral (Per ipheral) or as central , but cannot be both peripheral and

Memory mechanism0. iOS memory management policies and practices1. Arc in SwiftBlock0, teach you to love blocks (closures)1. Block in Objective-c (Wang Wei)2. Block in Objective-c (Yu Yuxuan)Multithreading0. In-depth understanding of GCD (I.)Internet0

In the Android XML layout file, xmlns:android= "Http://schemas.android.com/apk/res/android", which defines the XML namespace, starts with Android, For example: android:id= "@+id/i_am"Sometimes we also want to customize the namespace. For example,

Android version can be defined in Androidmainfest.xml, mainly Android:versioncode and Android:versionname Android:versioncode: Mainly used for version upgrades, is of type int, the first version is defined as 1 and incremented later, so as

/*** Verify phone format*/public static Boolean Ismobileno (String mobiles) {/*Mobile: 134, 135, 136, 137, 138, 139, 150, 151, 157 (TD), 158, 159, 187, 188Unicom: 130, 131, 132, 152, 155, 156, 185, 186Telecom: 133, 153, 180, 189, (1349 Wei

Ext.: http://blog.csdn.net/sunnyfans/article/details/7688092When we write an Android application, we often encounter the desire to exit the current acitivity, or exit the application directly. My previous general operation is to press the back key,

provides a way to get the size of an iOS folder. There is no additive to the file enumeration in the folder and the number of bytes in the file size.     Nsurl*cachedirectory =

The Linux environment I am using is ubuntu-12.10-desktop-i386. The software to be prepared before installation:1.JDK (jdk-7u75-linux-i586.tar.gz) http://www.oracle.com/technetwork/java/javase/downloads/ Jdk7-downloads-1880260.html2.ADT

Before the Android phone for family use, hand now has an old mobile phone, debugging process and there is an unrecognized problem, this time to record.First, you need to open the phone developer options, in the settings of the Android version or

Storing a static cache writes the cache to a file.file.phpPHPclasscache{//static cache file suffix name ConstEXT = ' txt '; //defining cache file Storage Paths Private $_dir; Public function__construct () {$this->_dir =dirname(__file__).‘

Guo Lin recently collated articles:Manage memory properlyAnalyze how to avoid excessive memory consumption during coding and how to achieve high-performance memory usage.Use intentservice whenever possible;Frees memory when the interface is not

An overview of Apple ANCs Protocol learningApple's Notification center (Apple Notification Center Service, ANCS) is designed to provide Bluetooth peripherals with a simple and convenient way to get notifications about iOS devices.Depend onThe use of

A question from the forum: [CoreData] returnsobjectsasfaults What is the use of.This property is for optimization, but sometimes it degrades performance, and I'll give you a simple analogy, if you have a Department object, it's a one-to-many

Many times, for the sake of aesthetics of the interface, we will hide the title bar, while in the customer area by self-painting simulation title bar. However, this processing can cause the form to not move. Here are a few ways to move:1, the use of

Loonandroid framework, at the same time give us a set of automatic detection of input rules of the tool, it is very convenient to use, the following describes how this stuff (note that the description is based on the project has integrated the

Http://www.cnblogs.com/gcg0036/p/4321246.htmlBuilding a simple User Interface: LinearLayoutxmlns:android= "Http://schemas.android.com/apk/res/android"Android:layout_width= "Fill_parent"Android:layout_height= "Fill_parent"android:orientation=

Android development through the view of the Getdrawingcache method can achieve the purpose of the screenshot, just missing the status bar!Original interfaceScreenshot of the resulting pictureCode implementation1. Add permissions (in the

Google has officially launched the Android Studio 1.0,android default development tools also from Eclipse to IntelliJ, the support for eclipse will certainly be less, for Android developers, it is time to change a tool.The contrast Eclipse,studio is

// set The cell's display animationfunc TableView (tableView: uitableview!, Willdisplaycell Cell:uitableviewcell!, Forrowatindexpath Indexpath:nsindexpath!) { // set cell display animation to 3D Zoom The initial value of//xy direction scaling is 0.1