MediaPlayer 报 start called in state 1
2016-11-16 22:19
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package com.ncu.thorgame.service;
import java.io.IOException;
import android.app.Service;
import android.content.Intent;
import android.media.MediaPlayer;
import android.os.Environment;
import android.os.IBinder;
import android.widget.Toast;
public class MusicService extends Service {
MediaPlayer player = new MediaPlayer();
@Override
public void onCreate() {
// TODO Auto-generated method stub
super.onCreate();
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
System.out.println("sd");
play();
return super.onStartCommand(intent, flags, startId);
}
@Override
public IBinder onBind(Intent arg0) {
return null;
}
private void play() {
if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
System.out.println("sd");
try {
player.setDataSource(Environment.getExternalStorageDirectory()+ "/z.mp3");
player.prepare();
} catch (IllegalArgumentException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (SecurityException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IllegalStateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
player.setLooping(true);
player.start();
} else {
Toast.makeText(getApplicationContext(), "SD卡没准备好", Toast.LENGTH_LONG).show();
}
}
}
基本无误 花了很久 时间 对照网上的百度出的解决方法 都对我没用
后来发现 还是 读外部sd 权限没给 希望大家以后不用心急
在AndroidManifest.xml 中 加入
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
import java.io.IOException;
import android.app.Service;
import android.content.Intent;
import android.media.MediaPlayer;
import android.os.Environment;
import android.os.IBinder;
import android.widget.Toast;
public class MusicService extends Service {
MediaPlayer player = new MediaPlayer();
@Override
public void onCreate() {
// TODO Auto-generated method stub
super.onCreate();
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
System.out.println("sd");
play();
return super.onStartCommand(intent, flags, startId);
}
@Override
public IBinder onBind(Intent arg0) {
return null;
}
private void play() {
if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
System.out.println("sd");
try {
player.setDataSource(Environment.getExternalStorageDirectory()+ "/z.mp3");
player.prepare();
} catch (IllegalArgumentException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (SecurityException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IllegalStateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
player.setLooping(true);
player.start();
} else {
Toast.makeText(getApplicationContext(), "SD卡没准备好", Toast.LENGTH_LONG).show();
}
}
}
基本无误 花了很久 时间 对照网上的百度出的解决方法 都对我没用
后来发现 还是 读外部sd 权限没给 希望大家以后不用心急
在AndroidManifest.xml 中 加入
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
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