android-铃声的设置与播放.docx

android-铃声的设置与播放在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?=?n