Mobile Develop

Some properties of the GridView:1.android:numcolumns= "Auto_fit"//gridview the number of columns is set to Automatic, can also be set to 2, 3, 4 ...2.android:columnwidth= "90DP"//width of each column, which is the width of item3.android:stretchmode=

First Contact Androidstudio You may always compare it to eclipse, there are many habits that are different from eclipse, and now share with you how I loaded a third-party package.The first time you build an Android project, the page opens as follows:

1, page meta of the viewportname= "Viewport" content= "Initial-scale=1.0,user-scalable=no, Maximum-scale=1,width=device-width ">Width is wide, Initial-scale initializes the scaleMaximum-scale maximum scale allowed for user scalingMinimum-scale

Map: Mapkit and CorelocationIntroduction:now that a lot of social software has introduced maps and positioning capabilities, to achieve these 2 features, you have to learn 2 of these frameworks: Makit and CorelocationThe Corelocation framework can

　The second form of Android data storage is internal Storage, which is internal storage.Memory storage is characterized by the storage of private data, its storage location is in the phone memory, one is the normal file storage, the other is the

Sticky broadcast: When the broadcast is sent out, the broadcast receiver has not yet been created and can be received when the broadcast receiver is registered, and if it is not a sticky broadcast, it will no longer be accepted without a broadcast

First, the activity has 4 kinds of starting mode Standard: For this mode of activity, the system does not care if it already exists in the return stack, and each start creates an instance of the activity Singletop: If you find that the

Whether the mobile side adopts native development or H5 development is a direct debate. However, the use of H5 development app is not only fast and efficient, and simple layout, beautiful, many of the current framework has been able to make people

After the job is a task, is to do remote push, listen to the boss said the use of the Friend League push. So I looked at the friend League push, the specific integration and certificate generation please refer here. Specific will not say more,

We know that the use of mobile browsers is growing every day, according to StatCounter statistics, the use of mobile phones and tablets accounted for about 30% of network traffic, which means consumers spend more time on mobile pages than ever

The singleton pattern is one of the most commonly used methods in development, and there are two official ways to use the iOS singleton pattern, as follows:Do not use GCD#import "ServiceManager.h" static ServiceManager *defaultmanager;

The HTML5 specification introduces a number of new input box typesIn HTML5 Mobile development, these new input box types show customized keyboard layouts, better user experience and easier filling of formsIn this paper, the measured cell phone is

One, first drag 4 photos into the project, because now do 4 photos on the scrollerview above the adaptation problemTwo. Then open your own main.storyboard and drag into the Scrollerview control to do the matchingThree. To add a control to the

The "Genius system" client project is the subject of our group.First, demand (need)For this software, our goal is to port on the mobile phone and realize the user management, search, classification, upload and download, user contribution and

1. Explain the relationship between Message,handler,message Queue,looper in a single-threaded model.In the main thread, the main thread starts by invoking the Looper.prepare () method, Initializes a looper, puts in threadlocal, and then calls Looper.

declaring properties @interface logincontroler () @property (weak, nonatomic) iboutlet Uitextfield *username;@ End 1, Agent Mode -(void) viewdidload{_username.delegate = self; Add Agent}-(BOOL) textField: (uitextfield *) textField

Necessary Steps: Create a new menu folder in the Res directory and create a new menus file To add a menu item to it, like the following code: //schema.android.com/apk/res/android" > item Android:id= "@+id/itemId1"

In the development project, we may need to determine the client browser version of the corresponding processing, usually through the browser useragent to determine the browser version, so in this summary, convenient for later Use.　　client browser

iOS project upload pre-preparation material :1. Already have a developer account2. Published certificates already available3. A picture of 1024*1024 (itunes app Icon)4. Preparing a functional description for an application5. Prepare 3.5 and 4.0-inch

The Android system provides 5 ways to store application Data (application), which are sharedpreferences (shared parameters), Internal Storage (internal storage), External Storage ( External storage), SQLite Databases (database storage), network