我正在尝试在中设置音频文件/res/raw/以编程方式将文件夹作为默认铃声。我有以下文件，如下所示：myapp/res/raw/file.mp3.
我有以下代码，但不幸的是它完全无法设置铃声。我不确定是什么导致了这个问题，但想知道是否有人有任何见解可以分享。
Uri path = Uri.parse("android.resource://com.mikan.myapp/res/raw/file.mp3");
RingtoneManager.setActualDefaultRingtoneUri(
getApplicationContext(), RingtoneManager.TYPE_RINGTONE,
path);
Log.i("TESTT", "Ringtone Set to Resource: "+ path.toString());
RingtoneManager.getRingtone(getApplicationContext(), path)
.play();
我收到以下异常（被捕获在RingtoneManager，让它看起来好像什么也没发生：
03-25 20:20:23.024: D/MediaPlayer(24659): setDataSource IOException happend :
03-25 20:20:23.024: D/MediaPlayer(24659): java.io.FileNotFoundException: More than two path segments: android.resource://com.mikan.myapp/res/raw/file.mp3
03-25 20:20:23.024: D/MediaPlayer(24659): at android.content.ContentResolver.getResourceId(ContentResolver.java:861)
03-25 20:20:23.024: D/MediaPlayer(24659): at android.content.ContentResolver.openAssetFileDescriptor(ContentResolver.java:653)
03-25 20:20:23.024: D/MediaPlayer(24659): at android.media.MediaPlayer.setDataSource(MediaPlayer.java:979)
03-25 20:20:23.024: D/MediaPlayer(24659): at android.media.MediaPlayer.setDataSource(MediaPlayer.java:933)
03-25 20:20:23.024: D/MediaPlayer(24659): at android.media.Ringtone.setUri(Ringtone.java:228)
03-25 20:20:23.024: D/MediaPlayer(24659): at android.media.RingtoneManager.getRingtone(RingtoneManager.java:647)
03-25 20:20:23.024: D/MediaPlayer(24659): at android.media.RingtoneManager.getRingtone(RingtoneManager.java:628)
03-25 20:20:23.024: D/MediaPlayer(24659): at com.mikan.myapp.CustomApp.saveas(CustomApp.java:139)
03-25 20:20:23.024: D/MediaPlayer(24659): at com.mikan.myapp.ListAdapter$1.onClick(ListAdapter.java:83)
03-25 20:20:23.024: D/MediaPlayer(24659): at android.view.View.performClick(View.java:4475)
03-25 20:20:23.024: D/MediaPlayer(24659): at android.view.View$PerformClick.run(View.java:18786)
03-25 20:20:23.024: D/MediaPlayer(24659): at android.os.Handler.handleCallback(Handler.java:730)
03-25 20:20:23.024: D/MediaPlayer(24659): at android.os.Handler.dispatchMessage(Handler.java:92)
03-25 20:20:23.024: D/MediaPlayer(24659): at android.os.Looper.loop(Looper.java:137)
03-25 20:20:23.024: D/MediaPlayer(24659): at android.app.ActivityThread.main(ActivityThread.java:5419)
03-25 20:20:23.024: D/MediaPlayer(24659): at java.lang.reflect.Method.invokeNative(Native Method)
03-25 20:20:23.024: D/MediaPlayer(24659): at java.lang.reflect.Method.invoke(Method.java:525)
03-25 20:20:23.024: D/MediaPlayer(24659): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1187)
03-25 20:20:23.024: D/MediaPlayer(24659): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1003)
03-25 20:20:23.024: D/MediaPlayer(24659): at dalvik.system.NativeStart.main(Native Method)
03-25 20:20:23.024: D/MediaPlayer(24659): Couldn't open file on client side, trying server side
您无法从资源设置铃声。
RingtoneManager.setActualDefaultRingtoneUri 需要设备中的铃声文件，并且 Uri 应来自内容解析器。
File ring = new File("pathOfYourFile");
Uri path = MediaStore.Audio.Media.getContentUriForPath(ring.getAbsolutePath());
RingtoneManager.setActualDefaultRingtoneUri(getApplicationContext(), RingtoneManager.TYPE_RINGTONE,path);
还要确保添加权限
<uses-permission android:name="android.permission.WRITE_SETTINGS" ></uses-permission>
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