upload files in this way, which is inefficient and difficult to use, so I did not go into the specific code and principles, but the code I provided is feasible. Let's start by uploading images to the server in PHP browser, then we will explain how android uploads and how android parameters are constructed.1. upload images to the PHP server through the web page
F
How to extract and generate mp4 files in AndroidWith the gradual popularization of Android 4.4 and later versions, the MediaExtractor class introduced by Android 4.1 and the MediaMuxer class introduced by Android 4.3 can finally begin to officially "glow and Heat. MediaMuxer is mainly used to generate multimedia
development languages, these languages have weak logic, better structure, better readability, and easier understanding. They are also very friendly to automation tools and can be combined with drag-and-drop configurations on the interface. Such a strip can be independent of the underlying logic and the upper-layer interface, or even different personnel development (This point should be obvious in Web development ...), the coupling between the two is very small, and the coder's burden is suddenl
In the Android project folder, the main resource files are in the Res folder.
1:assets folder is stored without compiling the original file, that is, the folder inside the file will not be like Xml,java file is precompiled, you can store some pictures, Html,js, CSS and other documents.
Introduction to the 2:res folders inside multiple folders
Res/anim/xml files
1. Create a helloworld project using eclipse. Shows the creation method:
1. After the project is created, the directory structure is shown in:
Iii. Description of the relationship between the r class and the resource file
1. the static drawable class corresponds to the drawable-hdpi, drawable-ldpi, and drawable-mdpi folders in the res folder, the static constant names of each integer in the drawable class are the same as the image resource files in
This has just been seen in the Android Tutorial network, File Manager files management application Android source code, this is the File Manager files management application source code, source FileManager, an open source File Manager complete source code, file query speed very fast, The basic function is simple, it is
Usually we need to store large files on the phone like audio, video and so on, previously learned to use file for storage (using file operation to store); Due to the small storage space of the phone itself, this time we need to store the files in the SDcard, and today we also learned a bit on Android The method of storing and using SDcard;First, if you want to us
When the development of a large number of application modules, resource files will be particularly large, layout will be more up, when all the layout is placed in the same directory, it will appear bloated, and not good to find the corresponding layout. Recently saw the data, found in Android Studio can be configured multiple res directory, used to split different modules. As shown, you can create a variet
Exporting a jar file in Android Studio is not as simple as it is in eclipse, but it's not too complicated. You need to export the jar file using the Gradle script.We don't want to export jar files with classes like R.class and buildconfig.class, so we need to write Gradle scripts to implement custom JAR file content.First open the Build.gradle file under the module project, write the Task command under the
On the internet to find a lot about so into the Android method, here is the simplest code of the least! ~Create a Jnilibs folder within App>src>main in Project view and place all so files in this folderThen insert the following code within the curly braces of the android{} in the Gradle scripts>build.gradle file under Android
/** by Keinta in China sz email: [Email protected] 2016.10.18CN: This jar package has integrated Android HTTP network request package, also encapsulates the Multipartentitybuilder file and text upload simultaneously, to achieve backward compatibilityall you need to do is add these two packages to enable Android's multi-type network transmission.Please add the packages:Compile files (' Libs/org.apache.http.l
files within the internal storage space even if they follow the step-by-step root.So how does it come true? A simple to ridiculous approach (get this is the security of the Android System vulnerability), in the code, we can access, read things inside the storage space, can also read and write the SD card and other external storage space (to add the appropriate permissions), then we can through the method o
As Appium learning needs to install some mobile apps for testing, here's a brief introduction to the installation and uninstallation of applications in the Android simulator.First, you need to download the application to test the APK file, here to YY voice for example, after downloading the apk file in the%android_home%\platform-tools directory. Then open the Android emulator, open a command prompt, enter
How does Android find appropriate resource files based on the delimiter?
Reprinted please indicate the source: http://blog.csdn.net/zhaokaiqiang1992
This article mainly introduces how the Android system filters and selects resource folders based on certain rules when we use a qualifier to modify resource folders, such as drawable-en-ldpi.
This article is not a
Android after generating the application signature file, if we want to see the signature file SHA1 and MD5, how to do it?? Now let's take a look.Open the Terminal terminal window in the lower left corner of the Android studio interface and go to the bin directory of the JDK, because the default path for terminal starts with the disk installed in Android Studio, s
Beginner Java and Android, simple learning history record, do not spray.Android Studio A solution that has multiple module shared jar and so files under project to resolve duplication issues.1. Multiple repeated references to Libs and so file issuesAndroid Studio under Project has multiple module cases, previously referencing common jar packages and so files, whi
signature can actually refer to the Android internal validation apk file process, the Android source Packageparser class will be installed APK file before installing the validity of the apk files, But unfortunately this class is labeled hide, so we can't use it directly. Then there are only two methods left, one is through reflection using Packageparser method,
I. Overview of the problem
In Android development, the ability to download files, such as app version updates, is often used. After API Level 9, the Android system provides us with the Downloadmanager class, which is a system service provided by Android, which we complete with the file download. The entire d
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