Android video recording command screenrecord:
Screenrecord is a shell command
Support for Android4.4 (API level 19) or above
Supported video formats: mp4 restrictions
Some devices may not be able to directly record because the resolution is too high. If you encounter such problems, try to specify a lower resolution.
Screen rotation is not supported d
set up a simple interface for video recordingAndroid:id= "@+id/surface"Android:layout_width= "Match_parent"android:layout_height= "Match_parent"/>Android:layout_above= "@+id/surface"Android:layout_width= "Match_parent"Android:layout_alignparentbottom= "true"Android:layout_centerinparent= "true"android:orientation= "Horizontal"android:layout_height= "Wrap_content" >Android:id= "@+id/start"Android:text= "Recording"Android:layout_width= "Wrap_content"and
Android Video recording command Screenrecord you need to know:
Screenrecord is a shell command
Support Android4.4 (API level 19) above
Supported video formats: MP4
Some restrictions
Some devices may not be able to record directly because the resolution is too high and if you encounter such a problem, try specifying a lower resolutio
Android command screencap view Help commands[emailprotected] ~$ adb shell screencap -vscreencap: invalid option -- vusage: screencap [-hp] [-d display-id] [FILENAME] -h: this message -p: save the file as a png. -d: specify the display id to capture, default 0.If FILENAME ends with .png it will be saved as a png.If FILENAME is not given, the results will be printed to stdout.Attention:If the file name ends with a. png, it is saved as a PNG fileIf
[Video] development secrets of Embedded Linux/Android drivers (3) camera driver development and android driver development
Secrets of Embedded Linux/Android driver development (3) camera driver development
Topic introduction:This topic provides an in-depth analysis of the Android
= Mediaplayer.getvideowidth ();
Videoheight = Mediaplayer.getvideoheight ();
if (videoheight!= 0 videowidth!= 0) {
arg0.start ();
}
Some videos are not played by the Android player and cannot be played videoheight=0,videowidth=0 to determine whether or not to play the video.
Player.java source code is as follows:
Package com.videoplayer;
Import java.io.IOException;
Import Java.util.Timer;
Im
in the in Android, we have three ways to play Video: 1, with its own player. Specifies that the action is action_view,data to Uri,type for its MIME type. 2, use Videoview to play. Use Videoview in the layout file to control it with Mediacontroller. 3, using MediaPlayer class and Surfaceview to achieve, this way is very flexible. 1, call its own player:
Uri uri = Uri.parse (Environment.getexternalstoraged
the ways to get screenshots and thumbnails of video files, and you may also need to save bitmap as a file:
/**
* Bitmap Save As File
* *
* @param bitmap input bitmap
* @param name output file ' s name
* @return String o Utput file ' s path
/public static String Bitmap2file (Bitmap Bitmap, String name) {
file F = new file (environm Ent.getexternalstoragedirectory () + name + ". jpg");
if (f.exists ()) F.delete ();
FileOutputStream fout = null;
Android supports video recording and playback and android recording.
To achieve a similar small video function, you can record a video and then play the video.
Video Recording, using a
I said in the last article how to use JNI for H264 encoding, but it's not very practical because of the efficiency problem.
After several days of tossing, and referring to the general implementation of the http://www.javaeye.com/problems/27244 Android real-time coding problem, but only thinking, has not entered the stage of code implementation.
More important 2 classes of Mediarecorder Parcelfiledescriptor
Mediarecorder is a class that
Baidu Cloud software users to the detailed analysis to share the Baidu Cloud Android version of the method of video playback.
Method Sharing:
In the Setup interface to choose the installation of video playback plug-ins, installed, you can play online Baidu cloud storage video files.
Well, the above in
Source code of the android client, which is similar to storm video and Android
This project is the source code of a UI project that imitates storm audio and video. It is modeled on a single menu page, home page, category page, and so on. All data in the project uses local analog data, generally, there is a problem with
Long time no article, in fact, is to record their own development in the Android growth process. Talking about the audio and video this piece, for the novice just contact this piece, it is very very disgusting ~ I myself get this piece is also from the beginning, in the Internet also read countless information, browse countless blog, tried a variety of methods, online general method is adopted third party,
This is how Android supports video formats:
Android can decode JPG files.
Video encoding and decoding in H.263 format,
Only videos in h264 format can be decoded.
Is the life cycle of the mediarecorder class
A common case of using mediarecorder to record audio works as follows:
Mediare
[Video] Secrets of Embedded Linux/Android driver development (1) Touch Screen driver development and android driver development
Secrets of Embedded Linux/Android driver development (1) Touch Screen driver development
Topic Introduction: Since samurst invented the world's first touch sensor in 1971, the touch screen te
Mark LiuDownload Sample CodeBrief introductionIn Android, it's easy to create an app that plays video clips, and it's easy to create a game app with a 3D graphics plane. However, it is not easy to create an app that can play video on 3D graphics objects. This article describes the apps I've created to address this challenge. The app renders
2015 blockbuster-[Video] The beauty of Android design moves, 2015 android
The second blockbuster of this year is coming soon! It is suitable for users who want to master the basis of Android development and wish to further improve their capabilities!
The beauty of the Android
A software that turns Android phones into IP camera. On the same network, you can view mobile phone surveillance videos in any browser.It has a built-in web server in the mobile phone, and the video is played in Flash video player. This applicationProgramReal-time FLV/H.264 video streams are generated.
The Open Sourc
About Whistling Android Videos:The most important feature of this video is practical, which should be said, which should not be said, I have done careful consideration. There is no imaginary head eight brain, pedantic, also useless long things. Everything is simple and clear.Today is the first lesson:The main contents are:1. Installing the JDK2. Configure Environment variables3. Download the
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.