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Brief introduction:This article describes how developers ' apps use media storage services (including Mediascanner, Mediaprovider, and media information parsing) in Android, and how to update the app's new or modified files to the media database, How to hide the files generated by the app in the multimedia application,
Android-music player
1. What is Open Core?
Open CoreIt is the core of the Android multimedia framework. It is used for audio, video usage, playback, and other operations on all Android platforms.
2. Specific functions of Open Core
1. multimedia file playback, download, including: 3GPP, MPEG-4, AAC and MP3 containers
and become getService, so that we can directly perform operations on the objects returned by this method. * // @ Overridepublic void onServiceConnected (ComponentName, IBinder sasBinder) {simpleAudioService = (SimpleAudioService. simpleAudioServiceBinder) sasBinder ). getService ();}/*** this method is used to process the disconnection from the service. * // @ Overridepublic void onServiceDisconnected (ComponentName name) {simpleAudioService = null ;}};}
Enabled service class: SimpleAudioServic
Android first artifact-xposed frame, is called the Black Technology, the function is powerful! 1.ijkplayer Project Address: Https://github.com/Bilibili/ijkplayer Introduction: Ijkplayer is a ffplay-based lightweight Android/ios video player released by Bilibili. Realize the cross-platform function, the API is easy to integrate, the compilation configuration ca
music, the title, the artist, and the album cover available. Here's how the APP we developed deals with this media storage service.The NOTE:MTP mode was introduced by Android 3.0, and its data came from media storage services.Hide multimedia filesApplication Scenario: The app produces a picture/music/video class file and doesn't want it to appear in the gallery/
2015 newest Android open source player ranked Cloud view chain in the listMany students asked me which open-source players on Android is better, here I will be the unified line.The 1.Dolphin player (Dolphin player) is an open source audio and video
song and playing the next song.This write playback control is to start a service and send the command as a parameter. Then, the service returns a broadcast and returns the status of the current music player.Let's talk about album pictures. These album pictures are extracted from music files and have similar protocols and algorithms. We will not introduce them here. These things are implemented in Android systems, we just need to use it.It's a complet
The simplest example of mobile terminal based on FFmpeg attachment: built-in Android player, ffmpegandroidPrevious articles record FFmpeg-based multimedia programs on the Android platform. For comparison, this article records a Video Player Based on the android Multimedia Fr
Recently assorted busy, a few days ago to see this part is mainly Stagefright module, so change the nameDid a long time on the Android platform Media Development, the previous analysis of a phased summary.First, the Android structure diagram (context relationship)Second, the Android folder structureSince the android4.2
I found a lot of related information on the Internet and felt I didn't want it. I decided to write it myself.
Source code has been put in the resource library, welcome to download: http://download.csdn.net/detail/luozhi3527/5353003
The program uses surface + mediaplayer to customize the console. Can Play local and online videos.
The main implementation code is as follows:
Package COM. xluo. mediaplayertest; import Java. util. timer; import Java. util. timertask; import
Most of the Code is the same as that of a music player.Put the video file in the sdcard and enter the file name in the input box.Use android2.0 to run the simulator. It is said that the simulator of other versions is used.Video Playback is not supported. If any error occurs, please noteThe java code is as follows:Package cn. mrzhu;Import java. io. File;Import android. app. Activity;Import android.
PrefaceAlthough Android has built-in Videoview components and MediaPlayer class to support the development of video player, but the support format, performance, etc. are very limited, here with you to use the free Vitamio to build their own Android Universal player!StatementWelcome reprint, but please keep the original
Reprint Please specify source: http://blog.csdn.net/zhaokaiqiang1992Today, an open blog, found a friend sent me a private message, ask the following questions, so close this article, for its doubts.From this friend's question, we need to understand the following questions, in order to give him a good answer:(1) How can I get information about all the songs in my phone?(2) When the song file changes, such as adding and deleting operations, how to update the M
Service-based music player for Android Development
This is a Service-based music player. The program's music will be played by the background Service component. When the background playing status changes, the program sends a broadcast notification to the foreground Activity update interface. When you click the foreground Activity interface button or drag the prog
Android player path: java-layer Binder and Android binder
Many people refer to the proxy mode when talking about Binder. There are a lot of people, and there is little understanding of the essence. This article analyzes the design objectives, design ideas, and design defects of the java-layer BInder from the perspective of design, so as to control it.
For [bond],
Document directory
① Use mediarecoder
② Use localsocket
③ Mediarecorder Problems
Http://www.cnblogs.com/skyseraph/archive/2012/03/31/2427593.html
0
This article is only a series of coherence. In fact, mediarecoder has been used in the previous series of blog posts. For details, see the previous Android series blog Android (19)
1 Overview
Use mediarecorder of And
This article describes an online music player. The operations are described in detail to achieve the effect and understand the principles of the player.
Source code:
Layout file:
Activity_audio_httpplayer:
AudioHTTPPLayer. java:
Package com. multimediademo7audiohttpplayer; import android. app. activity; import
protocol is loaded.
3.1 Detecting audio output deviceSelecting an audio output device affects the behavior of the app, and you can use Audiomanager to query whether an audio is output to a speaker, a wired headset, or a Bluetooth, as follows:if (Isbluetootha2dpon ()) {/ / adjust output for bluetooth .} else if (Isspeakerphoneon ()) {// adjust output For speakerphone .} else if (Iswiredheadseton ()) {// adjust output For Headsets} else {// if audio plays and Noone can hear i
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