Mobile Develop

 iOS Cleanup CacheCategory: Object-c basic 2014-06-11 16:28 6490 People read Comments (9) favorite reports The code to clean up the cache is as follows:Dispatch_async (Dispatch_get_global_queue (dispatch_queue_priority_default, 0), ^{NSString

I created a full white texture with 4x4 size. Unity requires that compressed texture size should is at least 4x4. This would cause some artifact on some Android device, and the frame is very slow.Later I tried to make true the color for this small

MySQL Custom Raise_application_error method:#自定义rasie ErrorinchMySQL delimiter//Create procedureRaise_application_error (inchCODEinteger,inchMessagevarchar(255)) SQL Security Invoker deterministicbegin Create Temporary Table if not

1. About the optimization of UITableView performance, it is easy to remind people of the uitableview reuse, so what else? Is there any other way to optimize the user experience, or the software that optimizes our design?The answer is: Yes!In general,

In the learning of custom components, accidentally found the official website of this article, feel good, so try to translate it out. One is to share with you, the second is to deepen their impressions. The level is limited, the translation process

iOS targeting and mapping features two frames: mapkitcorelocationTwo special terms: lbs (Location Based service) is based on service app and Solomo (social local mobile) Social + native + mobile. Corelocation 1. Import the framework

With the popularity of iOS development, there have been a number of companies offering specialized solutions or tools for all aspects of iOS development. These solutions or tools include: User behavior statistics tool (Friends League, Flurry,google

Originally wanted to do a registration login form, think or do a simple avatar selection, under normal circumstances, whether internal management system or public-facing Internet companies, registration is unavoidable, user avatar upload is

Images downloaded on the network adaptive: android:adjustviewbounds= "true" (which is explained in detail below)android:id= "@+id/dynamic_item_image"android:layout_width= "Wrap_content"android:layout_height= "Wrap_content"android:layout_gravity=

after each Android app launch, a splash splash screen appears, showing the product's logo, company logo, or developer information. Assuming the application startup time is longer, the start-up interface is a very good thing, allowing the user to

Ext.: http://www.asklinux.com/app/ios/286#When we use TableView, we find that the left side of the split line is shorter and can usually be solved using Setseparatorinset:uiedgeinsetszero. But after upgrading to XCode6, the iOS8 found no effect.

Support image processing and video image processing.Caanimation:nsobjectCaanimation is an animated abstract class.CAAnimationGroup:CAAnimation:NSObjectCaanimationgroup allows multiple animation groups and executes

Go directly to the official download containing the Android SDK installation package (about 813M), before it is not included in the Android SDK (about 214M) so need to download the Android SDK from Dl-google, too cumbersome. Here is a step-by-step

When you manually set the position of text relative to the picture, the following methods are commonly used:Setcompounddrawables (left, top, right, bottom);SetcompounddrawableswithIntrinsicbounds (left, top, right, bottom)This means that the

Today I want to get the value of umeng_channal in the manifest file, but when Debug, it always returns NULL. The General method:/** * Get Channel name * @param CTX HERE The habitual setting is activity, in fact the context can be * @return if

The Android system has a total of 4 layers from the bottom up and each layer encapsulates the underlying implementation and exposes the calling interface to the previous layer.1. Linux kernel (Linux Kernel)1) Android runs on Linux kernel 2.6, but

When we use sqliteopenhelper, we often use the db.execsql (String sql) method to write the corresponding statement implementation to create the table operation, so that the business logic can be implemented. At the same time, there is a more

In the beginning of the process of learning Android, for intent not too deep understanding, thought intent just as a data transfer intermediate object, but with the increase of learning content, found that intent mechanism actually runs through the

Androidmanifest configure its various properties and permissions for the component1.permission settings, can be used by setting custom permissions, in addition to the Permissionlevel settings to achieve access to the management2. Configuration

When Android starts, a system broadcast action_boot_completed is emitted, and its string constants are expressed as "Android.intent.action.BOOT_COMPLETED"Boot from the program, only need to "capture" to this message and then start your program, we