Mobile Develop

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Android is Java-based, and the Java Anti-compilation tool is very powerful, so the normal APK application can basically do 100% anti-compilation restore.So developers who are not ready to open up their own projects need to know how to prevent

1, when reading the address book once read, as little as possible to read all the attributes, especially when the list is displayed, will make your list loading speed becomes unbearable, it is recommended to load a small number of properties, and

A:requestCustomer service side to server side requestJava is about encapsulation, so request is a package of something, what is it?By literal means: request!From the HTTP protocol, when you send a request to the server, you will give some

The official explanation for View.getrootview () is: Finds the topmost view in the current view hierarchy. find the top-most view in the current view hierarchyMy understanding is to find the root view of the view hierarchy where the view instance

1, BuckFacebook's Open source Android compilation tool is twice times more efficient than ant. The main advantages are:(1) Speed up compilation, reduce incremental compilation time by parallel utilization of multicore CPUs and tracking invariant

Libxml is the C-language XML parsing library, which is our first choice for developing portable programs, and the steps to porting them to Android are described below1. Download the already configured source code package

Let's see how to get the application sandbox directory. The directory that includes the sandbox for the real machine.1, get the program's home directory NSString *homedirectory = Nshomedirectory (); NSLog (@ "path:%@",

In the development of Android projects, sometimes in order to achieve better interaction with the user, in the notice bar this small corner, we usually need to enrich the content, this time we need to implement their own definition of the

, sometimes in order to be beautiful, when searching without a search button, instead of invoking the button on the software disk. The implementation of the call only needs to add android:imeoptions= "Actionsearch" in the XML input box, and when the

Have done a small project, which realized the shaking of the function and scraping a scraping function and playing background music, etc.Shake-shake function is mainly used for acceleration sensor :sensor.type_accelerometershake a shake function The

OverviewThe Uiscrollview class provides support for displaying content that is larger than the application window. It allows the user to scroll with a swipe gesture and can use the expand/pinch gesture to zoom in and out of the content.Uiscrollview

I. Basic points of knowledge1, Label Property: The title of a acivity2. The r file should not be wrongly cited as the bottom of Android.3, Intent.setclass (this, main2activity.class);First parameter: ContextSecond parameter: Bytecode file for the

Http://www.cnblogs.com/zhuguangwei/archive/2011/01/18/1938276.htmlFirst, hide the title barHide title barThis.requestwindowfeature (Window.feature_no_title);Second, hide the status barHide the status barThis.getwindow (). SetFlags

After Android 2.0 there is a overridependingtransition (), of which two parameters, one is the previous activity's exit 21 activity entry,Java code @Override public void OnCreate (Bundle savedinstancestate) { super.oncreate

Objective:Use the activity of the Openfileoutput () method to save the file, the file is stored in the mobile phone space, the general phone storage space is not very large, storage of small files is OK, if you want to store large files such as

1. iOS sandbox mechanismiOS applications can only read files in the file system created for the program, not access to other places, this area is a sandbox, so all non-code files to be stored in this, such as icons, sounds, images, attributes list,

Preface: life can not be perfect, there will always be some regrets exist, experienced regret, we understand what is life. The same procedure, the pursuit of perfection, will inevitably experience the existence of a bug. Experienced the constant bug

Words, Accipiter June, recently began to learn Android, remember the beginning or 09 years of learning, now the phone or Huawei out of the earliest Android phone C8500, at that time want to learn Android, earn a little money, but I did not insist on

If you use Google's own simulator or the real machine debugging, the SD card directory is/mnt/sdcard. This is a belief that we all know.but today with Genymotion debugging, found at all not open/mnt/sdcard This directory, at that time also did not