ACtivity
package com.example.musicplayer_server;
import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import android.Manifest;
import android.app.Service;
import android.content.ComponentName;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.ServiceConnection;
import android.content.pm.PackageManager;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.os.IBinder;
import android.os.Message;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.SeekBar;
import android.widget.TextView;
import com.example.musicplayer_server.Server.MyService;
import com.example.musicplayer_server.adapter.MyAdapter;
import com.example.musicplayer_server.entity.MusicBean;
import com.example.musicplayer_server.entity.MusicUtils;
import java.util.List;
import java.util.Timer;
import java.util.TimerTask;
public class MainActivity extends AppCompatActivity {
private ListView lv;
private ImageView imageViewPic1;
private TextView textViewName;
private SeekBar seekBarId;
private ImageButton imageViewList;
private ImageButton imageViewPrev;
private ImageButton imageViewPlay;
private ImageButton imageViewNext;
private static final String TAG = "MainActivity";
private MyAdapter adapter;
private MyService.MusicBinder musicBinder;
private List<MusicBean> list;
private ServiceConnection serviceConnection;
private Intent intent;
private int index = 0;
private MyReceiver myReceiver;
private boolean isplay = false;
private Timer timer;
private Handler handler = new Handler(){
@Override
public void handleMessage(@NonNull Message msg) {
super.handleMessage(msg);
switch (msg.what){
case 101:
isplay = true;
musicBinder.callRestart();
timerTask();
imageViewPlay.setBackgroundResource(R.drawable.playbar_btn_pause);
break;
case 102:
isplay = false;
musicBinder.callPause();
timerTask();
imageViewPlay.setBackgroundResource(R.drawable.playbar_btn_play);
break;
case 103:
isplay = true;
musicBinder.callNext();
timerTask();
imageViewPlay.setBackgroundResource(R.drawable.playbar_btn_pause);
Log.i(TAG, "handleMessage: next");
break;
case 104:
isplay = true;
musicBinder.callNavSong();
timerTask();
imageViewPlay.setBackgroundResource(R.drawable.playbar_btn_pause);
Log.i(TAG, "handleMessage: navsong");
break;
}
}
} ;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initView();
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M){
requestPermissions(new String[]{Manifest.permission.READ_EXTERNAL_STORAGE},101);
}else {
startService();
list = MusicUtils.queryMusic(this);
adapter = new MyAdapter(this,list);
lv.setAdapter(adapter);
}
IntentFilter intentFilter = new IntentFilter();
intentFilter.addAction("com.zrx.play");
intentFilter.addAction("com.zrx.pause");
intentFilter.addAction("com.zrx.next");
intentFilter.addAction("com.zrx.prev");
myReceiver = new MyReceiver(handler);
registerReceiver(myReceiver,intentFilter);
lv.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
index = position;
isplay = true;
textViewName.setText(list.get(position).getTitle());
Log.i(TAG, "onItemClick: ");
musicBinder.callPlay(position);
timerTask();
imageViewPlay.setBackgroundResource(R.drawable.playbar_btn_pause);
}
});
seekBarId.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
@Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
if (fromUser){
musicBinder.callSetMusicPosition(progress);
}
}
@Override
public void onStartTrackingTouch(SeekBar seekBar) {
}
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
}
});
imageViewNext.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
isplay = true;
index++;
if (index > list.size() - 1){
index = 0;
}
musicBinder.callNext();
textViewName.setText(list.get(index).getTitle());
imageViewPlay.setBackgroundResource(R.drawable.playbar_btn_pause);
}
});
imageViewPrev.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
isplay = true;
index--;
if (index < 0){
index = list.size()-1;
}
musicBinder.callNavSong();
textViewName.setText(list.get(index).getTitle());
imageViewPlay.setBackgroundResource(R.drawable.playbar_btn_pause);
}
});
imageViewPlay.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (isplay){
isplay = false;
musicBinder.callPause();
imageViewPlay.setBackgroundResource(R.drawable.playbar_btn_play);
}else {
isplay = true;
musicBinder.callRestart();
imageViewPlay.setBackgroundResource(R.drawable.playbar_btn_pause);
}
}
});
}
private void timerTask() {
if (timer != null){
timer.cancel();
}
timer = new Timer();
timer.schedule(new TimerTask() {
@Override
public void run() {
seekBarId.setMax(musicBinder.callSeekBarMax());
seekBarId.setProgress(musicBinder.callSetBarPosition());
}
}, 0, 1000);
}
private void startService() {
intent = new Intent(this, MyService.class);
startService(intent);
serviceConnection = new ServiceConnection() {
@Override
public void onServiceConnected(ComponentName name, IBinder service) {
musicBinder = (MyService.MusicBinder) service;
}
@Override
public void onServiceDisconnected(ComponentName name) {
}
};
bindService(intent,serviceConnection, Service.BIND_AUTO_CREATE);
}
private void initView() {
lv = (ListView) findViewById(R.id.lv);
imageViewPic1 = (ImageView) findViewById(R.id.imageView_pic_1);
textViewName = (TextView) findViewById(R.id.textView_name);
seekBarId = (SeekBar) findViewById(R.id.seekBar_id);
imageViewList = (ImageButton) findViewById(R.id.imageView_list);
imageViewPrev = (ImageButton) findViewById(R.id.imageView_prev);
imageViewPlay = (ImageButton) findViewById(R.id.imageView_play);
imageViewNext = (ImageButton) findViewById(R.id.imageView_next);
}
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
if (requestCode == 101 && grantResults[0] == PackageManager.PERMISSION_GRANTED){
startService();
list = MusicUtils.queryMusic(this);
adapter = new MyAdapter(this,list);
lv.setAdapter(adapter);
}else {
finish();
}
}
@Override
protected void onDestroy() {
super.onDestroy();
if (serviceConnection != null){
unbindService(serviceConnection);
}
unregisterReceiver(myReceiver);
if (intent != null){
stopService(intent);
}
}
}
service
package com.example.musicplayer_server.Server;
import android.app.Notification;
import android.app.PendingIntent;
import android.app.Service;
import android.content.Intent;
import android.media.MediaPlayer;
import android.os.Binder;
import android.os.IBinder;
import android.util.Log;
import android.widget.RemoteViews;
import com.example.musicplayer_server.R;
import com.example.musicplayer_server.entity.MusicBean;
import com.example.musicplayer_server.entity.MusicUtils;
import java.io.IOException;
import java.util.List;
public class MyService extends Service {
private static final String TAG = "MyService";
private MediaPlayer mediaPlayer;
private List<MusicBean> list;
private int i;
private RemoteViews remoteViews;
private Notification.Builder builder;
public MyService() {
}
@Override
public void onCreate() {
super.onCreate();
mediaPlayer = new MediaPlayer();
list = MusicUtils.queryMusic(this);
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
builder = new Notification.Builder(this);
builder.setSmallIcon(R.mipmap.ic_launcher);
remoteViews = new RemoteViews(getPackageName(), R.layout.notifaction_layout);
builder.setCustomContentView(remoteViews);
remoteViews.setTextViewText(R.id.textView_name_1,list.get(i).getTitle());
Intent intent1 = new Intent();
intent1.setAction("com.zrx.play");
PendingIntent broadcast = PendingIntent.getBroadcast(this, 101, intent1, PendingIntent.FLAG_UPDATE_CURRENT);
remoteViews.setOnClickPendingIntent(R.id.imageButton_play, broadcast);
Intent intent2 = new Intent();
intent2.setAction("com.zrx.pause");
PendingIntent broadcast1 = PendingIntent.getBroadcast(this, 102, intent2, PendingIntent.FLAG_UPDATE_CURRENT);
remoteViews.setOnClickPendingIntent(R.id.imageButton_pause,broadcast1);
Intent intent3 = new Intent();
intent3.setAction("com.zrx.next");
PendingIntent broadcast2 = PendingIntent.getBroadcast(this, 103, intent3, PendingIntent.FLAG_UPDATE_CURRENT);
remoteViews.setOnClickPendingIntent(R.id.imageButton_next,broadcast2);
Intent intent4 = new Intent();
intent4.setAction("com.zrx.prev");
PendingIntent broadcast3 = PendingIntent.getBroadcast(this, 104, intent4, PendingIntent.FLAG_UPDATE_CURRENT);
remoteViews.setOnClickPendingIntent(R.id.imageButton_prev,broadcast3);
startForeground(102, builder.build());
return super.onStartCommand(intent, flags, startId);
}
public class MusicBinder extends Binder {
public void callPlay(int index) {
Log.i(TAG, "callPlay: ");
play(index);
}
public void callPause() {
pause();
}
public void callNext() {
next();
}
public void callNavSong() {
navSong();
}
public void callRestart() {
reStart();
}
public int callSeekBarMax(){
return setSeekBarMax();
}
public int callSetBarPosition(){
return setBarPosition();
}
public void callSetMusicPosition(int position){
setMusicPosition(position);
}
}
private void setMusicPosition(int position) {
mediaPlayer.seekTo(position);
}
private int setBarPosition() {
return mediaPlayer.getCurrentPosition();
}
private int setSeekBarMax() {
return Integer.parseInt(list.get(i).getDuration());
}
@Override
public IBinder onBind(Intent intent) {
return new MusicBinder();
}
private void reStart() {
mediaPlayer.start();
}
private void navSong() {
i--;
if (i < 0) {
i = list.size() - 1;
}
play(i);
}
private void next() {
i++;
if (i > list.size() - 1) {
i = 0;
}
play(i);
}
private void pause() {
mediaPlayer.pause();
}
public void play(final int index) {
remoteViews.setTextViewText(R.id.textView_name_1,list.get(index).getTitle());
startForeground(102, builder.build());
Log.i(TAG, "play: "+index);
i = index;
try {
mediaPlayer.reset();
mediaPlayer.setDataSource(list.get(index).getData());
mediaPlayer.prepareAsync();
mediaPlayer.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
@Override
public void onPrepared(MediaPlayer mp) {
Log.i(TAG, "onPrepared: "+index);
mediaPlayer.start();
}
});
mediaPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
@Override
public void onCompletion(MediaPlayer mp) {
Log.i(TAG, "onCompletion: "+index);
next();
}
});
mediaPlayer.setOnErrorListener(new MediaPlayer.OnErrorListener() {
@Override
public boolean onError(MediaPlayer mp, int what, int extra) {
Log.i(TAG, "onError: " + index);
return false;
}
});
} catch (IOException e) {
e.printStackTrace();
}
}
@Override
public void onDestroy() {
super.onDestroy();
mediaPlayer.release();
}
}
receiver
package com.example.musicplayer_server.Server;
import android.app.Notification;
import android.app.PendingIntent;
import android.app.Service;
import android.content.Intent;
import android.media.MediaPlayer;
import android.os.Binder;
import android.os.IBinder;
import android.util.Log;
import android.widget.RemoteViews;
import com.example.musicplayer_server.R;
import com.example.musicplayer_server.entity.MusicBean;
import com.example.musicplayer_server.entity.MusicUtils;
import java.io.IOException;
import java.util.List;
public class MyService extends Service {
private static final String TAG = "MyService";
private MediaPlayer mediaPlayer;
private List<MusicBean> list;
private int i;
private RemoteViews remoteViews;
private Notification.Builder builder;
public MyService() {
}
@Override
public void onCreate() {
super.onCreate();
mediaPlayer = new MediaPlayer();
list = MusicUtils.queryMusic(this);
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
builder = new Notification.Builder(this);
builder.setSmallIcon(R.mipmap.ic_launcher);
remoteViews = new RemoteViews(getPackageName(), R.layout.notifaction_layout);
builder.setCustomContentView(remoteViews);
remoteViews.setTextViewText(R.id.textView_name_1,list.get(i).getTitle());
Intent intent1 = new Intent();
intent1.setAction("com.zrx.play");
PendingIntent broadcast = PendingIntent.getBroadcast(this, 101, intent1, PendingIntent.FLAG_UPDATE_CURRENT);
remoteViews.setOnClickPendingIntent(R.id.imageButton_play, broadcast);
Intent intent2 = new Intent();
intent2.setAction("com.zrx.pause");
PendingIntent broadcast1 = PendingIntent.getBroadcast(this, 102, intent2, PendingIntent.FLAG_UPDATE_CURRENT);
remoteViews.setOnClickPendingIntent(R.id.imageButton_pause,broadcast1);
Intent intent3 = new Intent();
intent3.setAction("com.zrx.next");
PendingIntent broadcast2 = PendingIntent.getBroadcast(this, 103, intent3, PendingIntent.FLAG_UPDATE_CURRENT);
remoteViews.setOnClickPendingIntent(R.id.imageButton_next,broadcast2);
Intent intent4 = new Intent();
intent4.setAction("com.zrx.prev");
PendingIntent broadcast3 = PendingIntent.getBroadcast(this, 104, intent4, PendingIntent.FLAG_UPDATE_CURRENT);
remoteViews.setOnClickPendingIntent(R.id.imageButton_prev,broadcast3);
startForeground(102, builder.build());
return super.onStartCommand(intent, flags, startId);
}
public class MusicBinder extends Binder {
public void callPlay(int index) {
Log.i(TAG, "callPlay: ");
play(index);
}
public void callPause() {
pause();
}
public void callNext() {
next();
}
public void callNavSong() {
navSong();
}
public void callRestart() {
reStart();
}
public int callSeekBarMax(){
return setSeekBarMax();
}
public int callSetBarPosition(){
return setBarPosition();
}
public void callSetMusicPosition(int position){
setMusicPosition(position);
}
}
private void setMusicPosition(int position) {
mediaPlayer.seekTo(position);
}
private int setBarPosition() {
return mediaPlayer.getCurrentPosition();
}
private int setSeekBarMax() {
return Integer.parseInt(list.get(i).getDuration());
}
@Override
public IBinder onBind(Intent intent) {
return new MusicBinder();
}
private void reStart() {
mediaPlayer.start();
}
private void navSong() {
i--;
if (i < 0) {
i = list.size() - 1;
}
play(i);
}
private void next() {
i++;
if (i > list.size() - 1) {
i = 0;
}
play(i);
}
private void pause() {
mediaPlayer.pause();
}
public void play(final int index) {
remoteViews.setTextViewText(R.id.textView_name_1,list.get(index).getTitle());
startForeground(102, builder.build());
Log.i(TAG, "play: "+index);
i = index;
try {
mediaPlayer.reset();
mediaPlayer.setDataSource(list.get(index).getData());
mediaPlayer.prepareAsync();
mediaPlayer.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
@Override
public void onPrepared(MediaPlayer mp) {
Log.i(TAG, "onPrepared: "+index);
mediaPlayer.start();
}
});
mediaPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
@Override
public void onCompletion(MediaPlayer mp) {
Log.i(TAG, "onCompletion: "+index);
next();
}
});
mediaPlayer.setOnErrorListener(new MediaPlayer.OnErrorListener() {
@Override
public boolean onError(MediaPlayer mp, int what, int extra) {
Log.i(TAG, "onError: " + index);
return false;
}
});
} catch (IOException e) {
e.printStackTrace();
}
}
@Override
public void onDestroy() {
super.onDestroy();
mediaPlayer.release();
}
}
