Mobile Develop

Hard Canton: "iOS Performance Tuning Series", the second, continuously updated, welcome attention.The first article introduces the static analysis of analyze to the app, can find out the memory leak problem in the application, for some memory leaks

After Mac OS X 10.6 and iOS4.0, we introduced a schema that makes all threads run more efficiently and makes parallel processing applications easier to develop, GCD (Grand Central Dispatch), along with run loops, threads (including cocoa and POSIX)

recently in the process of doing Android applications encountered a lot of problems, touch a number of methods, but still can not achieve the Sufaceview function. Today, I tried to summarize the method, I hope to write my painful experience can help

Changing the system default volume requires two places:1. Frameworks\base\media\java\android\media\audiomanager.java1 /**@hide Default Volume index values for audio streams*/2 Public Static Final int[] Default_stream_volume =New int[]

Before I saw an article about five ways to communicate between apps, it had URL Scheme,keychain,uipastedboard,uidocumentinteractioncontroller and local communication using sockets. The previous 4 kinds have been useful to, also relatively simple, a

Linux system has a performance problem, generally we can use top, iostat, free, vmstat and other commands to view the initial positioning problems. Where iostat can provide richer IO performance status data.1. Basic use$iostat -d -k 1 10The

Why do you need to learn gradle?Gradle is now the mainstream of Android compiler tools, although the Gradle appear before and after the corresponding faster compiler tool appears, but the advantage of Gradle is that it is a pro-son, Gradle is really

1. PrefaceStarting from ArcGIS 10.2.1 Online integration technology, the data of the off-line editing has been a focus of attention. The data is stored in an enterprise Geodatabase, loaded with ArcGIS desktop software, and distributed to ArcGIS for

How to interview a 1-3-year-old IOS programmer (continuous update)How to interview a 1-3-year-old IOS programmer (Continuous update) computer-based class Please tell me the difference between HTTP 1.0 and 1.1 (puzzle)This is a computer

The Android system service is broadly divided into three broad categories: The local daemon, the native system service, and the Java system service. As shown in the following:Local daemon ProcessThe init process initiates the local daemon based on

First PartIn Android development, when writing layout code, the IDE can see the layout Preview.However, some effects must be run before they can be seen, like this: TextView does not set any characters in the XML, but instead sets the text in the

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The generic file system name of the Linux system is similar to/DEV/SDA1 or/DEV/HDA1, but today, with the maintenance of the system, the DF-H command is used to knock out the/dev/mapper/volgroup-lv_root and/dev/mapper/ Volume-lv_home two file system

Android IPC Aidl use (iii)-system AIDL callAidl use of the Android IPC (i) –aidl common useAidl use of Android IPC (ii)-AIDL local implementationAidl's understanding:IBinder in the serviceRemember that we used the new imyinterface.stub () up in

Android Basics Getting Started tutorial--3.3 handler message passing mechanism analysistags (space delimited): Android Basics Getting Started TutorialIntroduction to this sectionIn the first two sections we learned about two kinds of event-handling

Introduction to Web AppsWeb App is not really anything new, compared to the traditional web and traditional App,web app this combination of Web and app products have the following advantages:1. The development of the Web app is more convenient, iOS

In the JavaScript this keyword detailed article, we talked about the following to make a simple review:The meaning of a 1.this object is to point to properties and methods in the current object.The variability of the 2.this point. This points to the

No need for aidl or complex contentprovider, and no need to sharedpreferences or share storage files!Just the simple Messenger, which is also known as the Messenger, through which you can pass a message object in a different process, put the data

Android icon coloring to save the APK volume, there are many online introduction, the use is very simpleUsually use this way, you have to change the code today, so recordFirst KindDrawable icon;if (Android.os.Build.VERSION.SDK_INT The second kind,

This article is from http://blog.csdn.net/liuxian13183/ , the citation must be noted! about the framework, is the application layer under the control layer, from the application layer recently, always want to find a chance to write