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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 foregrou
class extends Binder implements IRemoteService. You can manually write a PlayerService to play the music. You need to use the android. media. MediaPlayer class to play the music. The Code is as follows:
Package pandafang. demo. playerserver; import java. io. fileDescriptor; import java. io. IOException; import android
); StartService (Intent);//exit Current Activity This. Finish (); }Else if(V.getid () = = R.id.btnstop) {//Stop playing musicIntent Intent =NewIntent ( This, Musicservice.class); StopService (Intent); } }}After we clicked the button "play music and exited activity", we first started musicservice through the activity's startservice, and then we immediately called the activity's finish method to destroy the current activity. You ma
Android enables online music playingHello, friends, the first blog published by Shanshan in August. Recently, Wu was looking for a job, and when she got sick, she didn't have much energy to write a blog. Today, I am dragging my head to publish an article about the online music effect that has been achieved previously. It is not difficult to play
Ding Lang suggestion: before learning this instance, Please master the Activity lifecycle related events and methods, so that the learning effect will be better.This instance is for reference only and is not a perfect product. Due to time and technical limitations, we apologize for any shortcomings or errors. Hope enthusiastic netizens can continue to improve.Below is part of the Activity code (I usually have detailed comments ):
Package cn. chaoyang. activity;Import java. io. File;Import java.
effects cannot be captured .. That is, rotate a circle .. Nothing nice .. ...
Paste the code of the activity and service in the playlist ~~ These two are critical ~~
Package COM. musicplayer; import android. app. activity; import android. content. intent; import android. OS. bundle; import
create the directory raw in res, and then add MP3 files to it.
Inherit a service class:
Package COM. moruna. studys; import android. app. service; import android. content. intent; import android. media. mediaplayer; import android. OS. ibinder; public class myservice exten
)Explanation: no return value. Set whether to use SurfaceHolder for display.
Method: setVolume (float leftVolume, float rightVolume)Explanation: no return value. Set the volume.
Method: start ()Explanation: no return value. start playing.
Method: stop ()Explanation: no return value. Stop playing.4. demo of complete music playbackImplemented functions:1. Pause/play, next/previous, and click a start to play2. Supports dragging progress ba
, have friends if know for Android, request recommended!Two. Scan local music filesFirst through the QQ music has downloaded the good song.Scan implementation://scan local musicif(Environment.getexternalstoragestate (). Equals (environment.media_mounted)) {NewThread () {@Override Public void Run() {Try{string[] ext = {". mp3"}; File File =NewFile (
suitable for Android, request recommend!
Second, scan local music files
First through the QQ music has been downloading good songs.Scan implementation:
Scan local Music
if (Environment.getexternalstoragestate (). Equals (environment.media_mounted))
{
new Thread ()
{
@Override public
Void Run ()
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
Article Description: thinking of the Android App store.
Melee, messy, and uneven, this is a idiomatic expression of the status of the domestic Android Third-party App Store. Behind the impetuous disputes, there is a lack of thinking about the App store itself. The
The music of a general Android app can be divided into background music and sound effects when you click various controls. The former is generally a relatively large music file, and the latter is generally a relatively small music
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, how to monitor the changes of the media database and so on.Android has an original set of
Recently started learning audio related. So, I really want to do a music player, so, spent a day to learn, the player's basic skills can be realized. I think the learning point is still quite a lot of, so write a blog summary about a music player implementation of the logic. I hope this blog post is helpful to your study and life. :* * Implement Logic * *On the market M
Android Learning Organization _ Service simple application. Music player
1. Because we need to use Service, we need to define it in the AndroidManifest. xml file.
2. Then, put the music to be played in the res/raw folder.3.// Music. java FilePackage com. edgar. playservice;
Import com. edgar. playservice. R;Import com
Suggestion: before learning this instance, Please master the activity lifecycle related events and methods, so that the learning effect will be better.
This instance is for reference only and is not a perfect product. Due to time and technical limitations, we apologize for any shortcomings or errors. Hope enthusiastic netizens can continue to improve.
Below is part of the activity code (I usually have detailed comments ):
Package CN. chaoyang. activity; import Java. io. file; import Java. io. io
This article introduces the MediaPlayer local music player. When the application is no longer on the frontend and is not using it, we need to establish a Service to ensure that the audio continues to play.
Interaction between Activity and Service binding is the focus of this article (here we need to note that Activity cannot directly access methods in Service objects, so we have introduced it here, this is also a consideration for service security and
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