How iOS data is stored

Common ways for iOS app data storage1.xml attribute list (plist) archive2. Preference (preference setting)3.NSKeyedArchive Archive (nscoding)4.SQLite5.Core Data  1.xml attribute list (plist) archive"Plist file Storage" 1. A string array dictionary

Android Special 5--Learning Gallery Summary

Context This is a more complex concept, with context, handle, environment variables and so on multiple meanings Currently understood as: a pointer to the parent, such as button btn = New button (this), here is a context object, this

Android--Selector&&statelistdrawable

selectorXML version= "1.0" encoding= "Utf-8"?> selectorxmlns:android= "Http://schemas.android.com/apk/res/android"> when touched and the current window is in interactive state - Itemandroid:state_pressed=

Applicationcontext.xml file location can have two default implementations

The role of Contextloaderlistener is to automatically assemble applicationcontext configuration information when the Web container is started. Because it implements the Servletcontextlistener interface, when the Web. XML configures this listener,

"2014 Last share" Android implementation custom Scratch card effect view

First, Introduction:Today is the last day of 2014, first here, I wish you all in the new 2015 years of new health, new income, new smooth, new Ruyi!!!On the previous page, I introduced the blog "Android implementation custom round, fillet and

"The Path of Architecture orm"--fluentnhibernate automapping detailed

The previous article discussed in detail the use of the basic mapping of fluentnhibernate, its basic usage is the same as NHibernate, first to create a database link configuration file, then write the table mapping, and finally write the unit Test

"Learning iOS Path: Object-c", accessors, custom initialization and multi-parameter assignment

1. Definitions of the settings and accessors* The method of assigning a value to a single instance variable is called a set. (Setter method)* The method to give a single instance variable value is called an accessor. (Getter method)2. Why use the

The Android task and the return stack are fully parsed, counting the details that you don't know

Reprint Please specify source: http://blog.csdn.net/guolin_blog/article/details/41087993The main content of this article comes from Android Doc, I have done some processing after translation, English good friends can also directly read the original

Android Let Alertdialog Click OK won't disappear

In Android Alertdialog, you can close the dialog box by using the button that comes with it, clicking OK or Cancel. However, we sometimes hope that when we click OK to find that he has not filled out the option, we prompt him to fill in the complete,

Android Read XML

/*** Get version information and app ID from config.** @param URLPath* @return* @throws Exception*/Public List Getupdateinfo () {Resources r = context.getresources ();Access to Xmlresourceparser instances through resourcesXmlresourceparser XRP =

Android----thread+handler thread message loop (reprint)

Recently found some information about the communication between Android threads, organized and learned a bit, and made a simple example.Andriod provides Handler and Looper to meet the communication between threads. For example, a sub-thread

Delphi APP opens Door (iii) Easy computing Machine

Delphi APP opens Door (iii) Easy calculator sharing:Share on FacebookShare on TwitterShare on Google_plusone_sharestated expiry Refer reads:6823 發表時間:2014/05/20Tags: mobile learning App Delphi XE6 Android IOS Last week we learned to set

"Learning the path to iOS: Object-c" Classes and objects

1. Object-oriented and process-oriented concepts1). Process orientedProcess-oriented: Take the process as the core, focus on the completion of the detailed steps of the event, step by step how to achieve.2). Object-OrientedObject-oriented: Taking

Android Learning-resource access

Android Learning-resource access1. Static native resources are kept in assets, such as Db,mp3, etc.2. Other general access by R. Directory Storage Resources Description /res/animator XML for Property

MongoDb C # Wrapper class

1. Installing the MongoDb Driver package2. Use the wrapper class: public class Mongodbwrapper:idisposable {private Mongoserver _server; Private Mongodatabase _db; Public Mongodbwrapper () {var uri =

XE6 Mobile development Environment Set up iOS (2): Install virtual machine (there is a picture of the truth)

XE6 Mobile development environment Set up iOS (2): Install virtual machine (there is a picture of the truth) 2014-08-15 22:04There are few articles on the mobile development environment that can be found on the Delphi XE series online, so this

IOS coreimage/image Blur (i)

Coreimage is introduced from iOS5.0, and its powerful not by Marvel.Whether it is sweep, generate two-dimensional code, face recognition, image compression, filters and other processing, should have.image Blur is supported from 6.0 onwards, we look

Familiarity with ANDROIDAPI series 12--alertdialog and toasts

How to create the above dialog box and prompt information1 @Override2 protected voidonCreate (Bundle savedinstancestate) {3 Super. OnCreate (savedinstancestate);4 Setcontentview (r.layout.activity_main);5 6BTN =(Button)

Android uses local page to invoke Android code

Activity code: Package Com.example.reg;import Android.app.activity;import Android.os.bundle;import android.util.log;import Android.webkit.webview;import Com.example.reg.bean.myobject;public class Webviewactivity extends Activity{private Static final

iOS Delete AutoLayout

Sometimes, we need to dynamically change a value in the AutoLayout in view, such as moving the X-value, or the Y-value, what to do?The following encapsulates a better way to remove: excerpt from Https://github.com/MakeZL/ZLAutoLayout (the framework

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