Mobile Develop

First create a layerCalayer *layer = [Calayer layer];Layer.bounds = CGRectMake (0, 0, 100, 100);Layer.position = cgpointmake (100, 100);Layer.backgroundcolor = [Uicolor Yellowcolor]. Cgcolor;[Self.view.layer Addsublayer:layer];Self.layer = layer;Set

1. Project StructureThe current MVP model is becoming more and more popular. is used by default.If the project is relatively small: App--application Activity Fragment presenter, etc. top-level parent class Config--api, constant table,

Get your apps ready for Android 6.0 marshmallow!New features: Run-time permission reminders, Doze (snooze mode) and backup power, assist with new technologies, and more.Android 6.0ChangesWith the new features and functionality, Android 6.0 (API

In Android development, we use ANDROID.UTIL.LOG to print the log, which facilitates our development and debugging. However, the code does not want to be executed after the release, and we do not want the debug log to be seen by other developers

　　One, the necessary preparation:　　　　　　Here is the official English document, which explains in detail below:Facebook app: You need to create your own app on the Facebook developer platform,Facebook SDK: Add the Facebook SDK to your project,Facebook

Application startup Principles in iOSSource: http://m.warting.com/program/201601/127355.htmlFirst, UIApplication1. Brief introduction(1) The UIApplication object is a symbol of the application, and a UIApplication object represents an application.(2)

First, Code1.xml(1) Activity_main.xml123Android:id= "@+id/layoutid"4android:orientation= "vertical" android:layout_width= "fill_parent"5android:layout_height= "Fill_parent" >67android:layout_height= "Wrap_content" android:layout_alignparentbottom=

Source: http://blog.csdn.net/zhaokaiqiang1992As long as the app needs to be networked to get data, the cache file is generated locally, whether it's a version update or a picture cache. So where exactly do these cache files fit in? Does the system

1.Important: Uialertview is deprecated in IOS 8. (Note that uialertviewdelegate is also deprecated.) To create and manage alerts in IOS 8 and later, instead use Uialertcontroller with a preferredstyle of  C10>uialertcontrollerstylealert. Uialertview

Initializes a Uilabel object and initializes the size of theUILabel * label = [[UILabel alloc]initwithframe: CGRectMake (+ )]; Set the displayed textLabel. text=@ "123"; A font-related class with font size default 17@property(nonatomic,

Use Eclipse to create a workaround for the right home keyboard, back key, and so on for Android virtual machines:Open Android Virtual device Manager to view virtual machine details:650) this.width=650; "src="

Java has 23 of design patterns, Android also used a lot of design patterns, this article on the android in several common design patternsFirst, the Common factory design modeThe Common factory design pattern is to create a factory class that is

Unity3d operators pay for Android packaging traps Libunicomsdk.jar DescriptionThink of doing Unity3d SDK integration has been almost 2 years, encountered a lot of very tricky SDK, which is based on the operator's SDK. In one of my other articles, I

DemandOpen the Android app directly from your mobile browser. If you have installed the specified Android app locally, open it directly, and if you don't have it installed, download the app's installation file directly (and jump to the download page)

Optimization of Java (Android) code for performance optimizationThis article is the third--java (Android) code optimization for Android performance optimization. This paper mainly introduces the performance optimization methods and network

Permission Group Permissions CALENDAR READ_CALENDAR WRITE_CALENDAR CAMERA CAMERA CONTACTS READ_CONTACTS

The first step:Install configure Android SDK, download ndk and unzip, download Cygwin and installStep Two: Import the Platform folder under the Android folder under the Java folderIn Eclispe's windows--pereference, configure the C + + environmentSet

The following error occurred while submitting the app to AppStore:This error is checked for keychain in the Applewwdrca.cer expiration issue, the workaround is as follows:1. Check the development certificate or push certificate in keychain for the

GCD Grand Central Dispatch pure C language writing1. GCD is Apple's solution for multi-core parallel computingGCD will automatically take advantage of more CPU cores (such as dual-core, quad-core)GCD automatically manages the life cycle of threads

ObjectiveAs is known to all, each Android application has a certain memory limit at run time, and the limit is typically 16MB or 24MB (depending on the platform). therefore, in the development of applications need to pay special attention to their