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object maintained by the system. You may use it in oncreate (). If oncreate () is started normally, it will not be available. Therefore, you need to determine whether it is empty when using it.
Java codeIf (savedinstancestate! = NULL ){Long id = savedinstancestate. getlong ("ID ");}If (savedinstancestate! = NULL ){Long id = savedinstancestate. getlong ("ID ");}Just like in the official notepad tutorial, if you are editing a note that is suddenly int
;browse-> Select AddressF:\android\cocos2d\cocos2d-2.1rc0-x-2.1.2\cocos2dx\platform\android\java\srcThe Folder name is filled in as a name that does not conflict with SRC, such as COCOS2DX-SRC, and then determinesMethod Two, can also import libcocos2dx1. Right-click the Import project, select the path where the LIBCOCOS2DX is located, "... \cocos2d\cocos\platform\androi
Android Basics Beginner Tutorial--3.7 ansynctask Async Tasktags (space delimited): Android Basics Beginner TutorialIntroduction to this section:What this section brings to you is a lightweight class for handling asynchronous tasks that Android provides us: Asynctask. We are usuallyInherit the Asynctask, and then implem
the same as installation in other applications.
Git in Windows:
http://code.google.com/p/msysgit/downloads/list
The latest version is: msysGit-fullinstall-1.7.1-preview20100612.exe31.6MB
3. Download the source code of the Android SDK
In Windows, Git provides two different operations: Linuxshell command line and GUI,
During installation with the default installation option, the Git icon added on the desktop is used to start the use of shell Com
Simple tutorial for Android-65th gun (custom control for digital LCD clock Demo)Next we will study how to implement a digital LCD clock, which is essentially a special effect.First, create a layout file:
The XML Attribute of TextView in Android contains several attributes of shadow.
ShadowDX, shadowDy, and shadowRadius indicate the horizontal and vertical offse
people complaining about the various uncomfortable Android studio, in fact, we do not need to do so, after all, is a preview version, said before, there is room for progress, Android developers will inevitably slowly migrate from eclipse to Android Studio come up, so we are still holding an optimistic attitude to learn and accept it, good things need time to hon
this is to do this at the class level, and you can use Asynctask or intentservice to create a background operation.Removing time-consuming actions from the UI thread also prevents user actions from appearing in the system not responding (ANR) dialog box.Android developed a number of third-party frameworks, plugins, such as: Volley, afinal, xutils,acharengine, etc., including network access framework, persistence Framework, IOC framework, picture caching framework and so on.There are other examp
In fact, master Notepad + command line programming is very effective, whether it is the computer hardware configuration and performance problems, or for the understanding of the program internal operation mechanism, debugging and so also have a good help. But many people can understand it because of fear or dislike of using this laborious writing habit, but it is all superficial, and the post-operation is just as simple and reusable.In fact, master Notepad + command line programming is very effe
In the basic Android tutorial (5), we wroteHelloandroidAfter that, I always felt that I had not written half a row.CodeSorry, so in this section, we willHelloandroidAndTextviewThe first contact of the text label. In this exampleLayoutCreateTextviewObject, and learn to defineRes/values/string. xmlThe String constant in, and finally passTextviewOfSettextMethod, in the pre-loadProgramAt the beginning, changeTe
Android Basics Getting Started tutorial--4.1.3 activity presenting illegal weaponstags (space delimited): Android Basics Getting Started TutorialIntroduction to this section:Well, after studying the two-section activity, I believe you know how to use the activity, OK, this section is a bit deeper, we go downThe bottom, but not the elegant source, not yet to that
VirtualBox Security Android-x86 4.0 graphic tutorial
Why are Android virtual machines much slower than iOS and WP7 virtual machines? The reason is as follows:
1. the Android Simulator simulates the ARM architecture (arm-eabi), while the target architecture of iOS and WP7 simulators is x86, in addition, the App running
Install Android Studio in detail tutorial
libc6-i386 lib32stdc++6 lib32gcc1 lib32ncurses5 lib32z1
Jdk1.8.0_25
Android-studio-ide-141.2456560-linux.zip
Android-sdk_r24.4.1-linux.tgz
The ADB program in the Android SDK is 32-bit, and the Ubuntu x
Original link: http://stormzhang.com/devtools/2014/12/18/android-studio-tutorial4/In fact, very early also wrote a Gradle basic blog, but the time is long, now Gradle has been updated a lot, so for a while Stduio 1.0 official version with the latest Gradle syntax to explain in detail, small partners directly with me step by step to learn it.What is Gradle?Gradle is a dependency management tool, based on the groovy language, which is oriented toward Ja
This article mainly introduces the introduction of Android app development tutorial, from the SDK download, development environment Building, code writing, app packaging and other steps one by one, very concise an Android app development tutorial, the need for friends to reference.Work has done mobile app projects, fro
I. Summary of checkbox tutorials1.Checkbox in AndroidHttp://www.apkbus.com/android-50840-1-1.html2.Android game development system control-checkboxHttp://www.apkbus.com/android-48417-1-1.html3.Android --- UI --- checkbox (select multiple buttons)Http://www.apkbus.com/android
Background
I believe you are no stranger to Android studio, Android Studio is Google in the 2013 I/O Assembly for the development of the new development tool for Android, now many open source projects are already in use, Google Update is also very fast, It's obvious that this is the future of Android development, so w
Android practice simple tutorial-28th gun (Uri to String type instance), androiduri
After reading the previous article, we can easily obtain the uri of the selected image. So how can we convert the obtained uri to a String address?
Next we will study it through examples. The layout file is the same as the previous article (article 27), so we will not list it any more. Let's look at MainActivity. java:
Pack
Original URL: http://www.linuxidc.com/Linux/2015-02/113890p4.htmIn fact, very early also wrote a Gradle basic blog, but the time is long, now Gradle has been updated a lot, so for a while Stduio 1.0 official version with the latest Gradle syntax to explain in detail, small partners directly with me step by step to learn it.What is Gradle?Gradle is a dependency management tool, based on the groovy language, which is oriented toward Java applications, which discards the cumbersome configuration of
BackgroundThe MVP architecture has been very popular in Android for the past few years and has become almost the mainstream framework, making business logic and UI operations relatively independent, making the code structure clearer.MVVM in front of the fire is a mess, and on the Android side but basically did not see a few people in use, see the introduction of MVVM is also the most talk about DataBinding
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