Mobile Develop

1. New PassValueDelegate.h@protocol passvaluedelegate -(void) Passvalue: (NSString *) value; @end2.@interface aviewcontroller:uiviewcontroller-(void) Passvalue: (NSString *) value{　　NSLog (@"Get Backcall value=%@", value); }-(void)

Pre-and post-mapping operationsOccasionally, you may need to perform some custom logic before or after a mapping occurs. This may be a rare thing, because it is more obvious to deal with these things outside of AutoMapper. You can create a global

A service is a component that runs in the background without an interface, starting with another component invocation. The services in Android and services in Windows are similar, it runs in the system is not easy to be detected by the user, you can

GCD three types of queues:1.The main queue: Same as the main thread function. In fact, the task that is submitted to the main queue executes in the main thread. The main queue can be obtained by calling Dispatch_get_main_queueu (). Because the main

Daniel is a great opportunity to learn from the company.Today we've shared a code specificationLike UITableViewCell.1. First build a data model based on the data source required by this cell, only for the cell benefits: Data Independence2. For

Agent: The general control with more, in fact, can also be implemented with block, if the implementation of the interface more than the words, it is recommended to use agents, such as UITableView.Notice: This thing is global, and is synchronous, if

A thread is an execution unit within a process and an in-process, scheduled entity.Differences from the process:1. Address space: An execution unit within a process. A process has at least one thread; they share the address space of the process, and

Puffed food, abroad, also known as extruded food, spray explosive food, light food, etc., since the advent of the late 60, it by virtue of cheap prices, crisp taste, the taste of all ages and tastes, become one of the main leisure snacks in China,

After declaring the property attribute, there are 2 implementations to select the @synthesize compiler to let the compiler automatically generate the Getter/setter method. When there is a custom save or Fetch method, the custom mask automatically

Platform Version API Level Version_code Notes Android 5.1 22 LOLLIPOP_MR1 Platform Highlights Android 5.0 21st LOLLIPOP Platform Highlights Android 4.4W 20

Cgsize constraintsize;Constraintsize. width = maxfloat; Constraintsize. height = +; //cgsize sizeframe =[content.text sizewithfont:wbltext16font constrainedtosize:constraintsize lineBreakMode: Nslinebreakbywordwrapping];The oldThe

First, frequently asked Questions app Scode code Check failure generally occurs this problem is AK incorrect cause possible error place 1, SHA1 value did not correctly get the SHA1 value: Open the terminal terminal in the lower left corner, enter

horizontal screen [email protected] test @ aepkill 　　Blog post cannot exist JS code, click here to viewPrinciple: Moving a div that is the same size as the screen to the center of the screen and then rotating 90 degrees is fine, or very

Always go for it when you use it, or write it down.Call conditions for life cycle events in Appdelegate in iOS:[CPP]View Plaincopy When an application is about to go into an inactive state, during which time the application does not accept

In the Android 5.0 era, users can turn on/off each license in the setup optionsIn Android 6.0 marshmallow, what permissions are actually used in the first open, use process to receive an authorization notification, and now the iOS very

The iOS system maintains a keychain, each of which can record data inside, and can only read the data that its application records in keychain.The Security.framework framework in iOS provides a way to manipulate keychain.Query Osstatus

# # Automation of Mobile gesturesAlthough the selenium Webdriver specification supports several ways to interact with a cell phone, its parameters do not simply map to the automation functions used by the underlying device (like the uiautomation on

class overviewDefines a descriptive data object that contains any type that can be sent to handler. The object contains two additional int fields and an additional object field, which allows the assignment to be done in many cases.Although the

1. Get a list of contacts+ (nsmutabledictionary*) getaddresspeoplearray{BOOL granted=[Addressengine getaccessgranted];//Nsmutablearray*addarray=[nsmutablearray arraywithcapacity:0];Nsmutabledictionary * Addrdic = [Nsmutabledictionary

Exception log: Error:execution failed for task ': App:dexdebug '.> com.android.ide.common.process.ProcessException:org.gradle.process.internal.ExecException:Process ' command ' /library/....../java "finished with Non-zero exit value 2