diff --git a/app/src/main/java/com/yutou/nas_music_player/containers/MediaBrowserHelper.java b/app/src/main/java/com/yutou/nas_music_player/containers/MediaBrowserHelper.java new file mode 100644 index 0000000..ab632ba --- /dev/null +++ b/app/src/main/java/com/yutou/nas_music_player/containers/MediaBrowserHelper.java @@ -0,0 +1,65 @@ +package com.yutou.nas_music_player.containers; + +import android.content.ComponentName; +import android.content.Context; +import android.os.RemoteException; +import android.support.v4.media.MediaBrowserCompat; +import android.support.v4.media.session.MediaControllerCompat; + +import com.yutou.nas_music_player.services.MusicService; + +public class MediaBrowserHelper { + private MediaControllerCompat controllerCompat; + private MediaBrowserCompat mMediaBrowser; + private MediaBrowserConnectionCallback browserConnectionCallback; + private MediaControllerCallback controllerCallback; + private MediaBrowserSubscriptionCallback subscriptionCallback; + private Context context; + + public MediaBrowserHelper(Context context) { + this.context = context; + browserConnectionCallback = new MediaBrowserConnectionCallback(); + controllerCallback = new MediaControllerCallback(); + subscriptionCallback=new MediaBrowserSubscriptionCallback(); + mMediaBrowser = new MediaBrowserCompat(context, new ComponentName(context, MusicService.class), browserConnectionCallback, null); + mMediaBrowser.connect(); + } + public void onStop(){ + if(controllerCompat!=null){ + controllerCompat.unregisterCallback(controllerCallback); + } + if(mMediaBrowser!=null&&mMediaBrowser.isConnected()){ + mMediaBrowser.disconnect(); + mMediaBrowser=null; + } + } + public MediaControllerCompat.TransportControls getTransportControls() { + return controllerCompat.getTransportControls(); + } + + private class MediaBrowserConnectionCallback extends MediaBrowserCompat.ConnectionCallback { + @Override + public void onConnected() { + super.onConnected(); + try { + System.out.println("初始化:onConnected"); + controllerCompat = new MediaControllerCompat(context, mMediaBrowser.getSessionToken()); + controllerCompat.registerCallback(controllerCallback); + controllerCallback.onMetadataChanged(controllerCompat.getMetadata()); + controllerCallback.onPlaybackStateChanged(controllerCompat.getPlaybackState()); + mMediaBrowser.subscribe(mMediaBrowser.getRoot(), subscriptionCallback); + + } catch (RemoteException e) { + e.printStackTrace(); + } + } + } + + + private class MediaControllerCallback extends MediaControllerCompat.Callback { + + } + public class MediaBrowserSubscriptionCallback extends MediaBrowserCompat.SubscriptionCallback { + + } +} diff --git a/app/src/main/java/com/yutou/nas_music_player/containers/MediaNotificationManager.java b/app/src/main/java/com/yutou/nas_music_player/containers/MediaNotificationManager.java new file mode 100644 index 0000000..bb2e670 --- /dev/null +++ b/app/src/main/java/com/yutou/nas_music_player/containers/MediaNotificationManager.java @@ -0,0 +1,4 @@ +package com.yutou.nas_music_player.containers; + +public class MediaNotificationManager { +} diff --git a/app/src/main/java/com/yutou/nas_music_player/containers/MusicContainer.java b/app/src/main/java/com/yutou/nas_music_player/containers/MusicContainer.java index 5871501..c51811e 100644 --- a/app/src/main/java/com/yutou/nas_music_player/containers/MusicContainer.java +++ b/app/src/main/java/com/yutou/nas_music_player/containers/MusicContainer.java @@ -1,6 +1,7 @@ package com.yutou.nas_music_player.containers; import android.media.MediaPlayer; +import android.support.v4.media.MediaMetadataCompat; import com.alibaba.fastjson.JSONArray; import com.alibaba.fastjson.JSONObject; @@ -17,12 +18,13 @@ public class MusicContainer { private static MusicContainer container; private MusicLibs libs; private MediaPlayer mediaPlayer; - private int playIndex=0; + private int playIndex = 0; + private MusicData nowPlayData = null; private MusicContainer() { - mediaPlayer=new MediaPlayer(); - libs =new MusicLibs(); + mediaPlayer = new MediaPlayer(); + libs = new MusicLibs(); } public static MusicContainer getInstance() { @@ -31,18 +33,21 @@ public class MusicContainer { } return container; } - public void randomMusic(){ - playIndex=new Random().nextInt(libs.mainData.size()); + + public void randomMusic() { + playIndex = new Random().nextInt(libs.mainData.size()); } - public void playOfAllRandom(){ + + public void playOfAllRandom() { randomMusic(); play(libs.mainData.get(playIndex)); } - public void play(MusicData data){ - String url= NetworkTool.NetworkAPI.HOME+ NetworkTool.NetworkAPI.MUSIC_PLAY - +"?random=false&token="+ NetworkTool.NetworkAPI.HTTP_KEY+"&filePath="+data.getPlayFile(); + + public void play(MusicData data) { + String url = NetworkTool.NetworkAPI.HOME + NetworkTool.NetworkAPI.MUSIC_PLAY + + "?random=false&token=" + NetworkTool.NetworkAPI.HTTP_KEY + "&filePath=" + data.getPlayFile(); try { - if(mediaPlayer.isPlaying()){ + if (mediaPlayer.isPlaying()) { mediaPlayer.stop(); mediaPlayer.reset(); } @@ -53,13 +58,36 @@ public class MusicContainer { e.printStackTrace(); } } - public static MusicLibs getLibs(){ + + public MediaMetadataCompat getNowPlayMetadataCompat() { + if(nowPlayData==null){ + return null; + } + return getMetadataCompat(nowPlayData); + } + + public MediaMetadataCompat getMetadataCompat(MusicData data) { + MediaMetadataCompat.Builder builder = new MediaMetadataCompat.Builder(); + builder.putString(MediaMetadataCompat.METADATA_KEY_MEDIA_ID, data.getTitle()); + builder.putString(MediaMetadataCompat.METADATA_KEY_ARTIST, data.getArtist()); + builder.putString(MediaMetadataCompat.METADATA_KEY_TITLE, data.getTitle()); + builder.putString(MediaMetadataCompat.METADATA_KEY_ALBUM, data.getAlbum()); + builder.putString(MediaMetadataCompat.METADATA_KEY_COMPOSER, data.getComposer()); + builder.putLong(MediaMetadataCompat.METADATA_KEY_YEAR, Long.parseLong(data.getYear())); + builder.putLong(MediaMetadataCompat.METADATA_KEY_TRACK_NUMBER, Long.parseLong(data.getTrack())); + builder.putLong(MediaMetadataCompat.METADATA_KEY_DISC_NUMBER, Long.parseLong(data.getDisc_no())); + return builder.build(); + } + + public static MusicLibs getLibs() { return getInstance().libs; } - public static class MusicLibs{ + + public class MusicLibs { private List mainData; - private MusicLibs(){ - mainData=new ArrayList<>(); + + private MusicLibs() { + mainData = new ArrayList<>(); initData(); } @@ -67,13 +95,14 @@ public class MusicContainer { NetworkTool.init().httpGet(NetworkTool.NetworkAPI.MUSIC_ALL, new JSONObject(), new NetworkInterface() { @Override public void httpGetData(Object data, int state) { - JSONObject json=JSONObject.parseObject(data.toString()); - if(json.getInteger("code")==0){ - mainData= JSONArray.parseArray(json.getJSONArray("data").toJSONString(),MusicData.class); + JSONObject json = JSONObject.parseObject(data.toString()); + if (json.getInteger("code") == 0) { + mainData = JSONArray.parseArray(json.getJSONArray("data").toJSONString(), MusicData.class); System.out.println(mainData.size()); - for (MusicData musicData : mainData) { - System.out.println(musicData.getTitle()); + if (mainData.size() > 0) { + nowPlayData = mainData.get(0); } + System.out.println("获取列表完成"); } } diff --git a/app/src/main/java/com/yutou/nas_music_player/containers/MusicData.java b/app/src/main/java/com/yutou/nas_music_player/containers/MusicData.java index 9e39e56..dc12177 100644 --- a/app/src/main/java/com/yutou/nas_music_player/containers/MusicData.java +++ b/app/src/main/java/com/yutou/nas_music_player/containers/MusicData.java @@ -3,6 +3,8 @@ package com.yutou.nas_music_player.containers; import android.util.Base64; +import com.yutou.nas_music_player.tools.StringUtil; + public class MusicData { private String artist;//艺术家 private String album;//专辑 @@ -53,6 +55,9 @@ public class MusicData { } public String getYear() { + if(StringUtil.isEmpty(year)){ + year="8888"; + } return year; } @@ -61,6 +66,9 @@ public class MusicData { } public String getTrack() { + if(StringUtil.isEmpty(track)){ + return "0"; + } return track; } @@ -69,6 +77,9 @@ public class MusicData { } public String getDisc_no() { + if(StringUtil.isEmpty(disc_no)){ + return "0"; + } return disc_no; } diff --git a/app/src/main/java/com/yutou/nas_music_player/services/MusicService.java b/app/src/main/java/com/yutou/nas_music_player/services/MusicService.java index ee46127..2bac270 100644 --- a/app/src/main/java/com/yutou/nas_music_player/services/MusicService.java +++ b/app/src/main/java/com/yutou/nas_music_player/services/MusicService.java @@ -5,23 +5,74 @@ import android.content.Intent; import android.os.Bundle; import android.os.IBinder; import android.support.v4.media.MediaBrowserCompat; +import android.support.v4.media.MediaMetadataCompat; +import android.support.v4.media.session.MediaSessionCompat; +import android.support.v4.media.session.PlaybackStateCompat; import androidx.annotation.NonNull; import androidx.annotation.Nullable; import androidx.media.MediaBrowserServiceCompat; +import com.yutou.nas_music_player.containers.MusicContainer; +import com.yutou.nas_music_player.containers.MusicData; +import com.yutou.nas_music_player.tools.AppData; + +import java.util.ArrayList; import java.util.List; public class MusicService extends MediaBrowserServiceCompat { + private MediaSessionCompat mediaSession; + private PlaybackStateCompat.Builder stateBuilder; + + @Override + public void onCreate() { + super.onCreate(); + mediaSession = new MediaSessionCompat(getApplicationContext(), "MEDIA_LOG"); + mediaSession.setFlags( + MediaSessionCompat.FLAG_HANDLES_MEDIA_BUTTONS | + MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS); + + stateBuilder = new PlaybackStateCompat.Builder() + .setActions( + PlaybackStateCompat.ACTION_PLAY | + PlaybackStateCompat.ACTION_PLAY_PAUSE); + mediaSession.setPlaybackState(stateBuilder.build()); + mediaSession.setCallback(new MediaSessionCallback()); + setSessionToken(mediaSession.getSessionToken()); + } @Nullable @Override public BrowserRoot onGetRoot(@NonNull String clientPackageName, int clientUid, @Nullable Bundle rootHints) { - return new BrowserRoot("media_root_id",null); + return new BrowserRoot("media_root_id", null); } @Override public void onLoadChildren(@NonNull String parentId, @NonNull Result> result) { + List mediaItems = new ArrayList<>(); + MediaMetadataCompat compat=MusicContainer.getInstance().getNowPlayMetadataCompat(); + System.out.println(compat); + if(compat!=null){ + MediaBrowserCompat.MediaItem mediaItem=new MediaBrowserCompat.MediaItem(compat.getDescription(), MediaBrowserCompat.MediaItem.FLAG_PLAYABLE); + mediaItems.add(mediaItem); + } + result.sendResult(mediaItems); + } + public class MediaSessionCallback extends MediaSessionCompat.Callback { + @Override + public void onPlay() { + super.onPlay(); + System.out.println("接收到播放指令"); + MediaMetadataCompat metadataCompat=MusicContainer.getInstance().getNowPlayMetadataCompat(); + mediaSession.setMetadata(metadataCompat); + mediaSession.setActive(true); + + } + + @Override + public void onPause() { + super.onPause(); + } } } diff --git a/app/src/main/java/com/yutou/nas_music_player/views/MainActivity.java b/app/src/main/java/com/yutou/nas_music_player/views/MainActivity.java index baa4c25..87d6778 100644 --- a/app/src/main/java/com/yutou/nas_music_player/views/MainActivity.java +++ b/app/src/main/java/com/yutou/nas_music_player/views/MainActivity.java @@ -7,21 +7,33 @@ import android.view.View; import android.widget.ImageButton; import com.yutou.nas_music_player.R; +import com.yutou.nas_music_player.containers.MediaBrowserHelper; import com.yutou.nas_music_player.containers.MusicContainer; public class MainActivity extends AppCompatActivity { private ImageButton play,previous,next; + private MediaBrowserHelper browserHelper; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); MusicContainer.getInstance(); play=findViewById(R.id.play); + next=findViewById(R.id.next); play.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { - MusicContainer.getInstance().playOfAllRandom(); + browserHelper=new MediaBrowserHelper(MainActivity.this); } }); + next.setOnClickListener(new View.OnClickListener() { + @Override + public void onClick(View v) { + browserHelper.getTransportControls().play(); + } + }); + + // browserHelper=new MediaBrowserHelper(this); + } } \ No newline at end of file