android-铃声的设置与播放 _Android

古人已用三冬足，年少今开万卷余。这篇文章主要讲述android-铃声的设置与播放相关的知识，希望能为你提供帮助。

在android系统中，不同铃声存放的铃声路径：/system/media/audio/ringtones来电铃声 /system/media/audio/notifications短信通知铃声 /system/media/audio/alarms闹钟铃声铃声的设置：import java.io.File; import android.app.Activity; import android.content.Intent; import android.media.RingtoneManager; import android.net.Uri; import android.os.Bundle; import android.view.View; import android.widget.Button; public class Activity01 extends Activity { /* 3个按钮 */ private Button mButtonRingtone; private Button mButtonAlarm; private Button mButtonNotification; /* 自定义的类型 */ public static final int ButtonRingtone= 0; public static final int ButtonAlarm= 1; public static final int ButtonNotification= 2; /* 铃声文件夹 */ private String strRingtoneFolder = "/sdcard/music/ringtones"; private String strAlarmFolder = "/sdcard/music/alarms"; private String strNotificationFolder = "/sdcard/music/notifications"; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); mButtonRingtone = (Button) findViewById(R.id.ButtonRingtone); mButtonAlarm = (Button) findViewById(R.id.ButtonAlarm); mButtonNotification = (Button) findViewById(R.id.ButtonNotification); /* 设置来电铃声 */ mButtonRingtone.setOnClickListener(new Button.OnClickListener() { @Override public void onClick(View arg0) { if (bFolder(strRingtoneFolder)) { //打开系统铃声设置 Intent intent = new Intent(RingtoneManager.ACTION_RINGTONE_PICKER); //类型为来电RINGTONE intent.putExtra(RingtoneManager.EXTRA_RINGTONE_TYPE, RingtoneManager.TYPE_RINGTONE); //设置显示的title intent.putExtra(RingtoneManager.EXTRA_RINGTONE_TITLE, "设置来电铃声"); //当设置完成之后返回到当前的Activity startActivityForResult(intent, ButtonRingtone); } } }); /* 设置闹钟铃声 */ mButtonAlarm.setOnClickListener(new Button.OnClickListener() { @Override public void onClick(View arg0) { if (bFolder(strAlarmFolder)) { //打开系统铃声设置 Intent intent = new Intent(RingtoneManager.ACTION_RINGTONE_PICKER); //设置铃声类型和title intent.putExtra(RingtoneManager.EXTRA_RINGTONE_TYPE, RingtoneManager.TYPE_ALARM); intent.putExtra(RingtoneManager.EXTRA_RINGTONE_TITLE, "设置闹铃铃声"); //当设置完成之后返回到当前的Activity startActivityForResult(intent, ButtonAlarm); } } }); /* 设置通知铃声 */ mButtonNotification.setOnClickListener(new Button.OnClickListener() { @Override public void onClick(View arg0) { if (bFolder(strNotificationFolder)) { //打开系统铃声设置 Intent intent = new Intent(RingtoneManager.ACTION_RINGTONE_PICKER); //设置铃声类型和title intent.putExtra(RingtoneManager.EXTRA_RINGTONE_TYPE, RingtoneManager.TYPE_NOTIFICATION); intent.putExtra(RingtoneManager.EXTRA_RINGTONE_TITLE, "设置通知铃声"); //当设置完成之后返回到当前的Activity startActivityForResult(intent, ButtonNotification); } } }); } /* 当设置铃声之后的回调函数 */ @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { // TODO Auto-generated method stub if (resultCode != RESULT_OK) { return; } switch (requestCode) { case ButtonRingtone: try { //得到我们选择的铃声 Uri pickedUri = data.getParcelableExtra(RingtoneManager.EXTRA_RINGTONE_PICKED_URI); //将我们选择的铃声设置成为默认 if (pickedUri != null) { RingtoneManager.setActualDefaultRingtoneUri(Activity01.this, RingtoneManager.TYPE_RINGTONE, pickedUri); } } catch (Exception e) { } break; case ButtonAlarm: try { //得到我们选择的铃声 Uri pickedUri = data.getParcelableExtra(RingtoneManager.EXTRA_RINGTONE_PICKED_URI); //将我们选择的铃声设置成为默认 if (pickedUri != null) { RingtoneManager.setActualDefaultRingtoneUri(Activity01.this, RingtoneManager.TYPE_ALARM, pickedUri); } } catch (Exception e) { } break; case ButtonNotification: try { //得到我们选择的铃声 Uri pickedUri = data.getParcelableExtra(RingtoneManager.EXTRA_RINGTONE_PICKED_URI); //将我们选择的铃声设置成为默认 if (pickedUri != null) { RingtoneManager.setActualDefaultRingtoneUri(Activity01.this, RingtoneManager.TYPE_NOTIFICATION, pickedUri); } } catch (Exception e) { } break; } super.onActivityResult(requestCode, resultCode, data); } //检测是否存在指定的文件夹 //如果不存在则创建 private boolean bFolder(String strFolder) { boolean btmp = false; File f = new File(strFolder); if (!f.exists()) { if (f.mkdirs()) { btmp = true; } else { btmp = false; } } else { btmp = true; } return btmp; } }铃声的播放：player = new MediaPlayer(); try{ player.setDataSource(context, pickUri); }catch(Exception e){ e.printStackTrace(); } final AudioManageraudioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE); if(audioManager.getStreamVolume(AudioManager.STREAM_ALARM)!=0){ player.setAudiostreamType(AudioManager.STREAM_ALARM); player.setLooping(true); try { player.prepare(); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } player.start(); }

【android-铃声的设置与播放】