Mobile Develop

1. Create a broadcast, this get permission is a broadcast operation receiverAndroid:name= ". Activity. Deviceadminsample "Android:label= "@string/sample_device_admin"android:description=

Memory Options: The VM heap represents the maximum memory that each app can occupy. Android Project directory Structure SRC Java source Code Android.jar importing jars to use the Android API Libs third-party jar packages

Today in the computer group met a group of friends of the model is Delling 15-5000, he asked me how this machine set up USB flash drive. After seeing it on the BIOS interface, I came up with a bit of interest. This article is for the

To create a folder:NSString *imagedir = [NSString stringwithformat:@ "%@/caches/%@", nshomedirectory (), dirName]; BOOL isdir = NO; Nsfilemanager *filemanager = [Nsfilemanager defaultmanager]; BOOL existed = [FileManager fileexistsatpath:imagedir

Menu ResourceThe Android app recommends using XML to define menus, which provide a better way to decouple.The menu resource is typically located under the Res/menu folder, and its menu root element is a ,menu element that can contain child elements

1. File->new Moudle-Android LibraryThis creates a library project, opens his Build.gradle project.　　　　Apply plugin: ' Com.android.library 'Android {Compilesdkversion 23Buildtoolsversion "23.0.3"Defaultconfig {Minsdkversion 16Targetsdkversion

A lot of students hear the socket TCP UDP these words feel particularly afraid, very afraid to use in the work, because they are too low. I'm working with the Socket class library Gcdasyncsocket.The article only applies to small data transmission,

1. Handling NSLog Events (developer mode printing, Publisher mode not printing) 12345 #ifdef  debug # Define nslog (format,  ...)   fprintf (stderr, ,[[[nsstring stringwithutf8string:__file__] 

iOS Learning Note (4) The reuse mechanism of-uitableviewThe cells in the UITableView are dynamic, and in use, the number of cells that need to be displayed on the screen is calculated based on the height of the screen (480) and the height of each

Pageradapter IntroductionPageradapter is the class in the ANDROID.SUPPORT.V4 package, its subclasses have Fragmentpageradapter, Fragmentstatepageradapter, These two adapter are fragment adapters, used to achieve the fragment sliding effect, the use

iOS after 7, with the native QR code generation API;Preparation of two-dimensional code: #import Import framework;To start the build://1-Creating FiltersCifilter * Filter = [Cifilter filterwithname:@"Ciqrcodegenerator"];//2-Default settings for

http://www.cnblogs.com/dwinter/archive/2012/02/27/AndroidViewPager%E5%A4%9A%E9%A1%B5%E9%9D%A2%E6%BB%91%E5%8A%

Because now most of the project is written mobile, but debugging is not convenient, although you can use chrome to simulate the phone side, but in fact the difference is a bit big, recently found a relatively good debugging tools, here to share a

The Android event distribution mechanism is a touch event that takes place from one window to another view,The final process of being consumed in Android is still a more complex delivery process as follows: (1) The event is passed from

The first frame is Webviewjavascriptbridge, which makes it easy for iOS and JS to interact with each other.I. Flowchart (main introduction idea)Two. How to use the iOS sideFirst Import#import "WebViewJavascriptBridge.h"file First step: Open

1. RuntimeObjective-c is the language of the face runtime (runtime oriented language), which means that it will defer to the runtime the logic to be executed when compiling and linking as much as possible. This gives you a lot of flexibility, you

1. Simple implementation:Activity_main.xml file: Android:id= "@+id/text" Android:layout_width= "Wrap_content" android:layout_height= "Wrap_content" /> Android:id= "@+id/spinner" Android:layout_width= "Wrap_content"

"Last episode plot summary: Last episode we mainly try to write a simple layout of the design of the demo with a connected structure, first through the block way to achieve the chain call, and then encapsulate the constraints to add the layout of

If you set a view to be semi-transparent, then the Sub-view on view will also become translucent, so what should we do to make the Sub-view not follow the view to change the transparency?Uicolor *color = [uicolor blackcolor]; = [color

The Phone-side a tag automatically complements the appearance of a border or background, making the user aware of the click status of a tag, but the style is not very good to seeDOCTYPE HTML>HTML> Head> MetaCharSet= "utf-8"> Metahttp-equiv=