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test-music
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增加了专辑显示功能

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pull/1/head
jsyjst 7 years ago
parent 14abb73ec4
commit 2d8f2b1925
9 changed files with 275 additions and 49 deletions
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7
app/src/main/java/com/example/musicplayer/adapter/SongAdapter.java
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@ -27,7 +27,7 @@ import java.util.List;
*/
public class SongAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
private static final String TAG="jsyjst";
private static final String TAG="SongAdapter";
private int footerViewType = 1;
private int itemViewType = 0;
private List<Mp3Info> mMp3InfoList;
@ -112,7 +112,7 @@ public class SongAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
holder.songView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Log.d(TAG, "onClick: "+mp3Info.getAlbumId()+"id="+mp3Info.getId());
//将点击的序列化到本地
song.setArtist(mp3Info.getArtist());
song.setDuration(mp3Info.getDuration());
@ -120,8 +120,9 @@ public class SongAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
song.setTitle(mp3Info.getTitle());
song.setUrl(mp3Info.getUrl());
song.setCurrent(position);
song.setAlbumId(mp3Info.getAlbumId());
song.setId(mp3Info.getId());
Log.d(TAG, "onClick: "+position);
FileHelper.saveSong(song);
onItemClickListener.onSongClick();

5
app/src/main/java/com/example/musicplayer/contract/ILocalMusicContract.java
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@ -3,6 +3,7 @@ package com.example.musicplayer.contract;
import com.example.musicplayer.entiy.Mp3Info;
import java.util.ArrayList;
import java.util.List;
/**
* Created by 残渊 on 2018/10/17.
@ -13,10 +14,10 @@ public interface ILocalMusicContract {
void getLocalMp3Info(); //得到本地音乐列表
}
interface View{
void showMusicList(ArrayList<Mp3Info> mp3InfoList); //显示本地音乐
void showMusicList(List<Mp3Info> mp3InfoList); //显示本地音乐
}
interface Presenter{
void showMusicList(ArrayList<Mp3Info> mp3InfoList); //显示本地音乐
void showMusicList(List<Mp3Info> mp3InfoList); //显示本地音乐
void getLocalMp3Info(); //得到本地音乐列表
}
}

16
app/src/main/java/com/example/musicplayer/entiy/Mp3Info.java
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@ -10,6 +10,16 @@ public class Mp3Info {
private String title;
private long size;
private String url;
private long albumId;
private long id;
public void setId(long id) {
this.id = id;
}
public long getId() {
return id;
}
public long getSize() {
return size;
@ -51,5 +61,11 @@ public class Mp3Info {
this.url = url;
}
public void setAlbumId(long albumId) {
this.albumId = albumId;
}
public long getAlbumId() {
return albumId;
}
}

20
app/src/main/java/com/example/musicplayer/entiy/Song.java
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@ -16,6 +16,16 @@ public class Song implements Serializable {
private String url;
private long currentTime;
private int current;//在本地音乐的位置
private long albumId;
private long id;
public long getId() {
return id;
}
public void setId(long id) {
this.id = id;
}
public long getSize() {
return size;
@ -73,9 +83,17 @@ public class Song implements Serializable {
this.current = current;
}
public long getAlbumId() {
return albumId;
}
public void setAlbumId(long albumId) {
this.albumId = albumId;
}
public String toString(){
return "artist="+artist+",title="+title+",url="+url+",duration="+duration+
",size"+size+",currentTime="+currentTime+",current"+current;
",size"+size+",currentTime="+currentTime+",current="+current+",albumId="+albumId;
}
}

41
app/src/main/java/com/example/musicplayer/model/LocalMusicModel.java
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@ -6,6 +6,7 @@ import android.provider.MediaStore;
import com.example.musicplayer.constant.MyApplication;
import com.example.musicplayer.contract.ILocalMusicContract;
import com.example.musicplayer.entiy.Mp3Info;
import com.example.musicplayer.util.MediaUntil;
import java.util.ArrayList;
import java.util.List;
@ -20,7 +21,7 @@ import io.reactivex.ObservableOnSubscribe;
public class LocalMusicModel implements ILocalMusicContract.Model {
private ILocalMusicContract.Presenter mPresenter;
private ArrayList<Mp3Info> mMp3InfoList=new ArrayList<>();
private List<Mp3Info> mMp3InfoList=new ArrayList<>();
public LocalMusicModel(ILocalMusicContract.Presenter presenter){
mPresenter=presenter;
@ -31,43 +32,9 @@ public class LocalMusicModel implements ILocalMusicContract.Model {
new Thread(new Runnable() {
@Override
public void run() {
Cursor cursor = MyApplication.getContext().getContentResolver().query(
MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, null, null, null,
MediaStore.Audio.Media.DEFAULT_SORT_ORDER);
for (int i = 0; i < cursor.getCount(); i++) {
Mp3Info mp3Info = new Mp3Info();
cursor.moveToNext();
String title = cursor.getString((cursor
.getColumnIndex(MediaStore.Audio.Media.TITLE)));//音乐标题
String artist = cursor.getString(cursor
.getColumnIndex(MediaStore.Audio.Media.ARTIST));//艺术家
long duration = cursor.getLong(cursor
.getColumnIndex(MediaStore.Audio.Media.DURATION));//时长
long size = cursor.getLong(cursor
.getColumnIndex(MediaStore.Audio.Media.SIZE)); //文件大小
String url = cursor.getString(cursor
.getColumnIndex(MediaStore.Audio.Media.DATA)); //文件路径
int isMusic = cursor.getInt(cursor
.getColumnIndex(MediaStore.Audio.Media.IS_MUSIC));//是否为音乐
if (isMusic != 0) {//只把音乐添加到集合当中
if (size > 1000 * 800) {
// 注释部分是切割标题，分离出歌曲名和歌手 （本地媒体库读取的歌曲信息不规范）
if (title.contains("-")) {
String[] str = title.split("-");
artist = str[0];
title = str[1];
}
mp3Info.setTitle(title.trim());
mp3Info.setArtist(artist);
mp3Info.setDuration(duration);
mp3Info.setSize(size);
mp3Info.setUrl(url);
mMp3InfoList.add(mp3Info);
}
}
}
mMp3InfoList= MediaUntil.getMp3Info();
mPresenter.showMusicList(mMp3InfoList);
cursor.close();
}
}).start();
}

3
app/src/main/java/com/example/musicplayer/presenter/LocalMusicPresenter.java
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@ -6,6 +6,7 @@ import com.example.musicplayer.entiy.Mp3Info;
import com.example.musicplayer.model.LocalMusicModel;
import java.util.ArrayList;
import java.util.List;
/**
* Created by 残渊 on 2018/10/17.
@ -20,7 +21,7 @@ public class LocalMusicPresenter extends BasePresenter<ILocalMusicContract.View>
@Override
public void showMusicList(ArrayList<Mp3Info> mp3InfoList) {
public void showMusicList(List<Mp3Info> mp3InfoList) {
if(isAttachView()){
getMvpView().showMusicList(mp3InfoList);
}

228
app/src/main/java/com/example/musicplayer/util/MediaUntil.java
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@ -1,11 +1,27 @@
package com.example.musicplayer.util;
import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.Context;
import android.content.res.Resources;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.media.MediaMetadataRetriever;
import android.net.Uri;
import android.os.ParcelFileDescriptor;
import android.provider.MediaStore;
import com.example.musicplayer.R;
import com.example.musicplayer.constant.MyApplication;
import com.example.musicplayer.entiy.Mp3Info;
import java.io.FileDescriptor;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
@ -13,15 +29,23 @@ import java.util.List;
* Created by 残渊 on 2018/10/22.
*/
public class MediaUntil{
public static List<Mp3Info> getMp3Info(){
List<Mp3Info> mp3InfoList=new ArrayList<>();
public class MediaUntil {
//获取专辑封面的Uri
private static final Uri albumArtUri = Uri.parse("content://media/external/audio/albumart");
public static List<Mp3Info> getMp3Info() {
List<Mp3Info> mp3InfoList = new ArrayList<>();
Cursor cursor = MyApplication.getContext().getContentResolver().query(
MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, null, null, null,
MediaStore.Audio.Media.DEFAULT_SORT_ORDER);
for (int i = 0; i < cursor.getCount(); i++) {
Mp3Info mp3Info = new Mp3Info();
cursor.moveToNext();
Mp3Info mp3Info = new Mp3Info();
long id = cursor.getLong(cursor
.getColumnIndex(MediaStore.Audio.Media._ID)); //音乐id
String title = cursor.getString((cursor
.getColumnIndex(MediaStore.Audio.Media.TITLE)));//音乐标题
String artist = cursor.getString(cursor
@ -30,6 +54,7 @@ public class MediaUntil{
.getColumnIndex(MediaStore.Audio.Media.DURATION));//时长
long size = cursor.getLong(cursor
.getColumnIndex(MediaStore.Audio.Media.SIZE)); //文件大小
long albumId = cursor.getInt(cursor.getColumnIndex(MediaStore.Audio.Media.ALBUM_ID));
String url = cursor.getString(cursor
.getColumnIndex(MediaStore.Audio.Media.DATA)); //文件路径
int isMusic = cursor.getInt(cursor
@ -47,6 +72,8 @@ public class MediaUntil{
mp3Info.setDuration(duration);
mp3Info.setSize(size);
mp3Info.setUrl(url);
mp3Info.setAlbumId(albumId);
mp3Info.setId(id);
mp3InfoList.add(mp3Info);
}
}
@ -54,4 +81,197 @@ public class MediaUntil{
cursor.close();
return mp3InfoList;
}
public static Bitmap getDefaultArtwork(Context context, boolean small) {
return (Bitmap) BitmapFactory.decodeResource(context.getResources(), R.drawable.background);
}
/**
* 从文件当中获取专辑封面位图
* * @param context
* * @param songid
* * @param albumid
* * @return
*/
private static Bitmap getArtworkFromFile(Context context, long songid, long albumid) {
Bitmap bm = null;
if (albumid < 0) {
throw new IllegalArgumentException("Must specify an album or a song id");
}
try {
BitmapFactory.Options options = new BitmapFactory.Options();
FileDescriptor fd = null;
if (albumid < 0) {
Uri uri = Uri.parse("content://media/external/audio/media/" + songid + "/albumart");
ParcelFileDescriptor pfd = context.getContentResolver().openFileDescriptor(uri, "r");
if (pfd != null) {
fd = pfd.getFileDescriptor();
}
} else {
Uri uri = ContentUris.withAppendedId(albumArtUri, albumid);
ParcelFileDescriptor pfd = context.getContentResolver().openFileDescriptor(uri, "r");
if (pfd != null) {
fd = pfd.getFileDescriptor();
}
}
options.inSampleSize = 1; // 只进行大小判断
options.inJustDecodeBounds = true;
// 调用此方法得到options得到图片大小
BitmapFactory.decodeFileDescriptor(fd, null, options);
//我们的目标是在800pixel的画面上显示
// 所以需要调用computeSampleSize得到图片缩放的比例
options.inSampleSize = 100;
//我们得到了缩放的比例，现在开始正式读入Bitmap数据
options.inJustDecodeBounds = false;
options.inDither = false;
options.inPreferredConfig = Bitmap.Config.ARGB_8888; //根据options参数，减少所需要的内存
bm = BitmapFactory.decodeFileDescriptor(fd, null, options);
} catch (FileNotFoundException e) {
e.printStackTrace();
}
return bm;
}
/**
* 获取专辑封面位图对象 * @param context * @param song_id * @param album_id * @param allowdefalut * @return
*/
public static Bitmap getArtwork(Context context, long song_id, long album_id, boolean allowdefalut, boolean small) {
if (album_id < 0) {
if (song_id < 0) {
Bitmap bm = getArtworkFromFile(context, song_id, -1);
if (bm != null) {
return bm;
}
}
if (allowdefalut) {
return getDefaultArtwork(context, small);
}
return null;
}
ContentResolver res = context.getContentResolver();
Uri uri = ContentUris.withAppendedId(albumArtUri, album_id);
if (uri != null) {
InputStream in = null;
try {
in = res.openInputStream(uri);
BitmapFactory.Options options = new BitmapFactory.Options();
//先制定原始大小
options.inSampleSize = 1;
//只进行大小判断
options.inJustDecodeBounds = true;
//调用此方法得到options得到图片的大小
BitmapFactory.decodeStream(in, null, options);
/** 我们的目标是在你N pixel的画面上显示。 所以需要调用computeSampleSize得到图片缩放的比例 **/
/** 这里的target为800是根据默认专辑图片大小决定的，800只是测试数字但是试验后发现完美的结合 **/
if (small) {
options.inSampleSize = computeSampleSize(options, 40);
} else {
options.inSampleSize = computeSampleSize(options, 600);
}
// 我们得到了缩放比例，现在开始正式读入Bitmap数据
options.inJustDecodeBounds = false;
options.inDither = false;
options.inPreferredConfig = Bitmap.Config.ARGB_8888;
in = res.openInputStream(uri);
return BitmapFactory.decodeStream(in, null, options);
} catch (FileNotFoundException e) {
Bitmap bm = getArtworkFromFile(context, song_id, album_id);
if (bm != null) {
if (bm.getConfig() == null) {
bm = bm.copy(Bitmap.Config.RGB_565, false);
if (bm == null && allowdefalut) {
return getDefaultArtwork(context, small);
}
}
} else if (allowdefalut) {
bm = getDefaultArtwork(context, small);
}
return bm;
} finally {
try {
if (in != null) {
in.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
return null;
}
/**
* 对图片进行合适的缩放 * @param options * @param target * @return
*/
public static int computeSampleSize(BitmapFactory.Options options, int target) {
int w = options.outWidth;
int h = options.outHeight;
int candidateW = w / target;
int candidateH = h / target;
int candidate = Math.max(candidateW, candidateH);
if (candidate == 0) {
return 1;
}
if (candidate > 1) {
if ((w > target) && (w / candidate) < target) {
candidate -= 1;
}
}
if (candidate > 1) {
if ((h > target) && (h / candidate) < target) {
candidate -= 1;
}
}
return candidate;
}
//
public static Bitmap getMusicBitemp(Context context, long songid,
long albumid) {
Bitmap bm = null;
// 专辑id和歌曲id小于0说明没有专辑、歌曲，并抛出异常
if (albumid < 0 && songid < 0) {
throw new IllegalArgumentException(
"Must specify an album or a song id");
}
try {
if (albumid < 0) {
Uri uri = Uri.parse("content://media/external/audio/media/"
+ songid + "/albumart");
ParcelFileDescriptor pfd = context.getContentResolver()
.openFileDescriptor(uri, "r");
if (pfd != null) {
FileDescriptor fd = pfd.getFileDescriptor();
bm = BitmapFactory.decodeFileDescriptor(fd);
}
} else {
Uri uri = ContentUris.withAppendedId(albumArtUri, albumid);
ParcelFileDescriptor pfd = context.getContentResolver()
.openFileDescriptor(uri, "r");
if (pfd != null) {
FileDescriptor fd = pfd.getFileDescriptor();
bm = BitmapFactory.decodeFileDescriptor(fd);
} else {
return null;
}
}
} catch (FileNotFoundException ex) {
}
//如果获取的bitmap为空，则返回一个默认的bitmap
if (bm == null) {
Resources resources = context.getResources();
Drawable drawable = resources.getDrawable(R.drawable.background);
//Drawable 转 Bitmap
BitmapDrawable bitmapDrawable = (BitmapDrawable) drawable;
bm = bitmapDrawable.getBitmap();
}
return Bitmap.createScaledBitmap(bm, 150, 150, true);
}
}

2
app/src/main/java/com/example/musicplayer/view/LocalMusicFragment.java
Unescape View File

@ -124,7 +124,7 @@ public class LocalMusicFragment extends Fragment implements ILocalMusicContract.
@Override
public void showMusicList(final ArrayList<Mp3Info> mp3InfoList) {
public void showMusicList(final List<Mp3Info> mp3InfoList) {
getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {

2
app/src/main/java/com/example/musicplayer/view/MainActivity.java
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@ -30,6 +30,7 @@ import com.example.musicplayer.R;
import com.example.musicplayer.entiy.Song;
import com.example.musicplayer.service.PlayerService;
import com.example.musicplayer.util.FileHelper;
import com.example.musicplayer.util.MediaUntil;
import de.hdodenhof.circleimageview.CircleImageView;
@ -235,6 +236,7 @@ public class MainActivity extends AppCompatActivity {
mSongNameTv.setText(mSong.getTitle());
mSingerTv.setText(mSong.getArtist());
mPlayerBtn.setSelected(true);
mCoverIv.setImageBitmap(MediaUntil.getMusicBitemp(MainActivity.this,mSong.getId(),mSong.getAlbumId()));
mCircleAnimator.start();
mSeekBar.setMax((int) mSong.getDuration());
mSeekBarThread = new Thread(new SeekBarThread());

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