android docs

. This is a security mechanism. For Android, the final apk file contains the Dex type of file, Dex file is the class file repackaging, packaging rules are not simply compressed, but the class file inside the various function tables, variable table optimization, resulting in a new file, that is, Dex file. So loading this special class file requires a special ClassLoader dexclassloader. Ii. the practical application of the Dexclassloader method Suppos

the zip file name. Below is the https://dl-ssl.google.com/android/repository/android-21_r01.zip of android 5.0 I extracted from xml Https://dl-ssl.google.com/android/repository/samples-21_r03.zip Https://dl-ssl.google.com/android/repository/

? Does it work? > Once I enable all the macros how do I test stagefright player? > Also what did you mean >" > RUN 'stagefright > >" > Also I saw one test app "/home/nimesh/Android/frameworks/base/Media/> Tests/mediaframeworktest" > Does anyone know how to enable this test app and test the Media Player> Using this? > On APR 29, PM, Deva r Wrote:>>Is it a VTC application ?? Curious to know the usecase .. > Eclair 2.1 has minimal stagefright library, an

notifications (contextual notification) is generated locally on the wearable device and appears only at the relevant contextual point in time, such as when you run a card that appears to exercise your body. You can do more on this type of card than with notifications from a handheld device.* Full Screen application1, 2D picker (two-dimensional selector) is designed to allow users to choose from a range of options, such as selecting artists and genres, and so on. Whenever there is an association

Old Deng's android Study Notes (2)-Android gets screen resolutions in N ways, android-android Android gets the screen resolution Method 1: the simplest method 12 intscreenWidth=getWindowManager().getDefaultDisplay().getWidth();intscreenHeight=getWindowManager().g

Original link: http://www.cnblogs.com/allenzheng/archive/2012/11/10/2762379.htmlFirst, build the Android development environmentGetting ready: Download Eclipse, JDK, Android SDK, ADT Plugin: eclipse:http://www.eclipse.org/downloads/Jdk:http://www.oracle.com/technetwork/java/javase/downloads/jdk7u9-downloads-1859576.htmlAndroid sdk:http://developer.android.com/sdk/index.htmlAdt:http://developer.android.com/t

Original address: http://tools.android.com/tech-docs/new-build-system/user-guide# Toc-dependencies-android-libraries-and-multi-project-setup4. Dependencies,android Libraries and multi-project setup (dependencies, Android libraries and multi-project settings)The Gradle project can depend on other components. These compo

kotlin for programmingThe addition of anko allows you to use the control in layout without the findViewById. For example: override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_main) forecast_list.layoutManager = LinearLayoutManager(this); forecast_list.adapter = ForecastListAdapter(items) toast("hello toast.") } A lambda expression can be used for button events, as shown in the following

, allowing users to select multiple datesGreendroid.Greendroid is a well-packaged Android UI interface library, but the library has been deprecated, and it is not recommendedBayi. LoggerLogger is a simple, beautiful, powerful Android print log libraryAcra.ACRA is a library that enables Android apps to automatically send crash reports in the form of a Google

annotations, see this blog:Http://www.cnblogs.com/peida/archive/2013/04/24/3036689.htmlThe Android annotation support library is available with a look at the documentation for the Android tool group, simple and straightforward:Http://tools.android.com/tech-docs/support-annotationsUse this library in Gradle:com.android.support:support-annotations:23.3.0Design Sup

Android development, permission acquisition, and android Development Permission Turn: http://blog.csdn.net/yawinstake/article/details/6748897 Access registration attributes Android. permission. ACCESS_CHECKIN_PROPERTIES, read or write the permission to register the check-in database Attribute Table Get error location

===, configure build path In libraries, select Android x. x. x to include Android. jar. This is the jar package of the Android sdk that is dependent on during development. Click it and there are two configuration items in it, Source attachment and javadoc location. The former is the source code. After configuration, you can click ctrl + the left mouse button to

The Audiomanager class is located on Android. Media package, this class provides access to control volume and sound mode operation The following are the Audiomanager ways to set the sound mode and adjust the sound size. How to get the Sound manager: The code is as follows Copy Code Audiomanager Audiomanager = (audiomanager) getsystemservice (Audio_service); The Main method inside: A, set the sound mode

/"+ context.getpackagename () + "/shared_prefs"));} /** * Clear the application database by name * * @param context * @param dbname * *public static void Cleandatabasebyname (context context, String dbname) {Context.deletedatabase (dbname);} /** * Clear the content under/data/data/com.xxx.xxx/files * * @param context * *public static void Cleanfiles (context context) {Deletefilesbydirectory (Context.getfilesdir ());} /*** * Clear the external cache content (/mnt/sdcard/

detail later. Deliveryintent: Receive a successful receipt, which will be described in more detail later. LOG.I (): Write Log for easy debugging. 4. Edit Androidmanifest.xml Content: Copy Code code as follows: Package= "Com.changcheng.activity" android:versioncode= "1" Android:versionname= "1.0" > Register to send SMS permission, if not registered this, will not use the system to send SMS function. Later in our application development, there is a need to register in th

JNI is basically configured and used in Android studio JNI basic configuration and use of what in Android Studio to build projects using Ndkbuilder what? JniJava Native Interface It allows Java code to interact with code written in other languages. JNI is a local programming interface that enables Java code that runs inside a Java Virtual machine (VM) to interoperate with applications and libraries written

Access registration attributes Android. Permission. access_checkin_properties, read or write the permission to register the check-in database Attribute Table Get error location Android. Permission. access_coarse_location, which uses WIFI or mobile base stations to obtain the user's incorrect latitude and longitude information. The positioning accuracy is roughly 30 ~ 1500 meters Get

Introduction to Android Development (20) content provider 20.3 predefined query characters Introduction to Android Development (20) content provider 20.2 ContentProvider use Getting Started with Android development (20) content provider 20.1 data sharing Getting Started with Android development (19) database 19.3 pr

-ubuntu:~/workspace/android-4.0.4_r1.2/external/yapp# cd tttapp/root@brantyou-ubuntu:~/workspace/android-4.0.4_r1.2/external/yapp/tttapp# gedit tttapp.c The content of the tttapp. c file is as follows: #include Create the corresponding Android. mk configuration file: root@brantyou-ubuntu:~/workspace/android-4.0.4_r1

Revealing the layout of Android and revealing the secrets of androidPreface Today, I will write down some understanding of the layout. The main content includes the inheritance relationship between the control attributes, the relationship between the control attributes and the container attributes, and the use of various types of attributes.Property type of the control Generally speaking, when assigning values to attributes of a control, there are gen