To use mediaplayer to play audio and video, you must first understand the status of mediaplayer. The following figure shows the status of the mediaplayer provided by Google. You only need to understand the status of the mediaplayer. It won't go wrong.
For more information, see the APIS provided by Google.
To use the audio playing program written by mediaplayer to be robust, you must not only understand the status of the mediaplayer, but also set the various monitoring events and callback metho
"Android system-level in-depth development-transplantation and debugging" are system level. You can refer to the following points:[*] If you do not carefully lay the Linux foundation, you do not need to think about this part.[*] If you are familiar with the development of Linux user space, it is easier to develop the Android framework.[*] If you are more familiar with Linux driver development, it is easier
Switching
1. When the android: configChanges of the Activity is not set, the life cycle of the screen is re-called, the screen is executed once, and the screen is split twice.
2. When setting the Activity's android: configChanges = "orientation", the screen will be switched to call each lifecycle, and the screen will be executed only once
3. When the
ListView is a commonly used control. Each Item in the ListView can be a string or a combination control. First, let's talk about the implementation of ListView:
1. Prepare the data to be displayed in ListView;
2. Use a one-dimensional or multi-dimensional dynamic array to save data;
2. Build an adapter. In simple terms, the adapter is an Item array, and the dynamic array generates as many items as possible;
3. Add the adapter to the ListView and displ
First, we will analyze the Launcher layout as a whole. Let's have an understanding of the overall structure of Launcher by viewing Launcher. xml and using the combination of hierarchyviewer layout viewing tool. Use hierarchyviewer to complete the entire desktop as follows:Zoom in as follows: You can see the elements contained in the entire desktop. The top is the Google search box, the bottom is a always plug-in, the icon, a separator, And the dock. Please note that the desktop program does not
Key and difficulty 1 in Android development: RelativeLayout (relative layout,Preface
La la ~ The blogger has launched a new series ~
The previous Android development series mainly focused on the experiment completion process and often integrated a lot of knowledge to write, so it is inevitable that there will be a mixture of knowledge points, giving people a sens
OverviewWhen the UI components provided by the Android system are insufficient to meet our needs, we can inherit the View to design our own View. Then, select the method for rewriting. The method that can be rewritten is as follows:
1) constructor. View has three constructor:
Public View (Context context) This method needs to be rewritten when we create a view through code.
Public View (Context context, Att
Reprint Please specify http://www.cnblogs.com/devtrees/p/4382234.htmlWelcome to correct mistakes, common progress!A background knowledgeIntroduction of 1.1G-4GGeneration (Generation)WAP (wait and pay)Wireless Markup Language (WML) Lite version of the HTML languageTwo. Android Overview1.Android Operating System IntroductionIntroduction to 2.Android History3.
Android Studio entry-level tutorial (1), androidstudioStatement
AS is a mainstream tool for Android development, but eclipse is used for school teaching. Many people do not know how to get started. I can see a very well-organized tutorial on the Internet. I will repost it and hope it can help people who need it.
Life One: http://www.cnblogs.com/smyhvae/
Source: h
,java development environment, address http://download.oracle.com/otn-pub/java/jdk/8u40-b25/jdk-8u40-windows-x64.exeAVD arm support, the default Android emulator is not arm supported, need to download arm image, address https://dl.google.com/android/repository/sys-img/google_apis/ Sysimg_arm-21_r03.zipVisual Studio Community, which is a completely free version of the address http://download.microsoft.com/do
Public-oriented mobile technology: gesture encoding in Android (1)
Convert buttons in the Android mobile app to slide gestures
Mobile users are usually less concentrated, busy, and easily subject to human engineering constraints, so you need to build your own mobile app UI accordingly. Andrew Glover discusses the key factors that differentiate mobile apps from W
--工欲善其事 its prerequisiteIntroductionThis series is suitable for 0 basic personnel, because I am starting from 0, this series record I step into the Android development of some experience sharing, hope and June Mutual encouragement! As a new person in the Android team I, if there is something wrong, but also hope to enlighten.Before starting the Android developmen
Chapter II: Building Android Development Environment This chapter mainly describes how to build an environment for Android's underlying development, including the Android application development environment, the Android NDK development environment, and the build-up of a cross-compilation environment. For the development of the post-pave.Andorra after access to in
-related backgrounds and Android platform architecture② builds an Android development environment that uses Eclipse and Android Sudio one③ familiar with the IDE's development app process④ understanding of a number of terms⑤ Some details about Android processthe birth and development of Android:The
Next I will introduce how to use vs2010 to develop cocos2dx and compile it to android. The procedure is as follows:
1. Prerequisites: Your eclipse code can be compiled to an Android mobile phone or virtual machine. If this step is not completed yet, check it with Google Baidu and configure the environment. [My sdk directory is: E: \
Figure 1-1:
Figure 1-1
First, let's take a look at the history of Gallery. Before Android, the "Image Library" of the Android system was named Gallery3D. After Android, the system ch
first.Also, note that Android 3.2 has a new API to give you more precise control over the layout resources of the application for different screen sizes. These new features will make your application especially important for tablet optimization. More details will be mentioned in the section "declaring Tablet Layouts for Android 3.2". 1: Screen Support overviewTh
chapter source code download and compile This chapter android android The source code of the application in the system and Span style= "font-family:arial;" >android SDK The source code of the various tools and so on, of course, before we know these sources, the first thing we should do is configure android
QtAndroid (4): JNI calls Android system functions (1)
In the previous sections, we have explained the basic usage of the QtAndroid namespace. This time, we will use the methods and class libraries we mentioned earlier to demonstrate some simple small examples. In my book Qt on Android core programming, I mainly call some Andr
Android Learning 1 ---- learning controls, android1 ----
User-machine interfaces can be divided into views, view containers, and layout. A complex Android Interface Design usually requires a combination of different components for implementation. the features and functions of the main Android components are not describ
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