Mobile Develop

#import "ViewController.h"@interface Viewcontroller ()-(Ibaction) Move: (UIButton *) sender;-(ibaction) Zoom: (UIButton *) sender;-(ibaction) Rotate: (UIButton *) sender;@end@implementation ViewcontrollerMove-(Ibaction) Move: (UIButton *) Sender

first, what is blocksBlock is a C-level syntax and a feature of the runtime, similar to a function (function pointer) in standard C, but its operation requires compiler and runtime support, and is well-supported from ios4.0.second, in iOS

In mobile development, especially on the Android side of the development will encounter a variety of bizarre pits. Slowly write slowly pits.Today, a DIV is assigned a height:100% on the mobile side, and then the entire page layout is re-resize after

Investigate the evolution of a mobile application/platform development environment: AndroidIn fact, at the beginning, I only knew that Apple mobile phone with iOS system, many other mobile phone time Android system. I know that Android development

1. Download Adt-bundle2. Decompression path: D:\software\adt-bundle-windows-x86-201403213. D:\software\adt-bundle-windows-x86-20140321 the Eclipse folder below4, Eclipse.exe5. If there is a failed to create Java Virtual machine problem,Locate the

Px:css pixels logical pixels, abstract units used by the browserDp,pt:d evice independent pixels device independent pixelsDpr:devicepixelratio Device pixel scaling ratioCalculation formula: 1px= (DPR) 2 * DPiphone 5 's DPR equals 2So: On the plane

Create self.segmented =[[uisegmentedcontrol alloc]initwithitems:@[@ "recommended reading" @ "my Subscription"]; Set size _segmented.frame = CGRectMake (0.0, 0.0, $, 30.0); Set default check _segmented.selectedsegmentindex=0;

One, a category is a way to add a new method to an existing class.Second, the limitations of the category.1, a new instance variable cannot be added to the class. The category has no location to accommodate the instance variable.2, name conflict,

1. Webview.addjavascriptinterface () Doen not work on API 16+Common client-to-H5 programming is the use of scheme+, JS Bridge, provider and so on.When doing Android and H5 client interaction, found a very strange error. On a 4.2.2 Samsung S3, there

I. Create a UIViewFirst step: CreateFirst look at the inheritance relationship, and then find this class has its own initialization methodUIView *view = [[UIView alloc] Initwithframe:cgrectmake (125, 125, 200, 200)];Step Two: Set the background

1. Some conceptsDP, PTDevice-independent pixels device-independent pixels, a physical unit measured based on a coordinate system within the device, represents a virtual pixel that can be used by a program, and then converted from the underlying

After compiling through and running the Web successfully, the page accessed does not need to connect to the database, and does not involve reflection calling the entity class without error.The error content is as follows:[WARNING]Org.springframework.

Moving and zooming a picture#import "ViewController.h"@interface Viewcontroller ()-(ibaction) Moveandbig;-(Ibaction) Move: (UIButton *) btn;-(ibaction) Zoom: (UIButton *) btn;@property (nonatomic, weak) Iboutlet UIButton *head;@end@implementation

The initial plan was to build an Android platform on the eclipse basis, take a spin around ADT, the SDK, listen to some of the lessons, or choose android Studio. The installation of the JDK download and Java environment variables is eliminated

//Local notification callback function that is called when the application is in the foreground- (void) Application: (UIApplication *) application didreceivelocalnotification: (Uilocalnotification *) Notification {NSLog (@"noti:%@", notification); //

Appdelegate:1 -(BOOL) Application: (UIApplication *) application didfinishlaunchingwithoptions: (Nsdictionary *) launchOptions { 2 //Override point for customization after application launch.3 //1. Creating a Window4 Self.window = [[UIWindow

I. Common properties of EDITTEXT controlsandroid:id--the ID of the controlandroid:layout_width--width of the controlandroid:layout_height--height of the controlandroid:text--text content (default values can be set)android:textsize--Text

1. Kyanimatedpagecontrol Link: Kyanimatedpagecontrol　　　　Kyanimatedpagecontrol not only automatically moves when you swipe uiscrollview, but you can also click on the target page that you want to scroll directly on the Kyanimatedpagecontrol. In

The layoutsubviews is called in the following cases:1. Init initialization does not trigger Layoutsubviews2, Addsubview will trigger Layoutsubviews3, set the view frame will trigger the layoutsubviews, of course, if the frame value has changed

About Uiview's Layer,ios offers three methods:1. layoutsubviewsin iOS5.1 and previous versions, the default implementation of this method will not do anything (implementation is empty), after iOS5.1 (iOS6 start) version, The default implementation