问题描述
我想播放来电铃声。我确实喜欢下面的内容,
Uri defaultringtoneUri = ringtoneManager.getDefaultUri(ringtoneManager.TYPE_ringtone);
if(currentringtonePlayer != null ){
stopringtonePlayer();
}
currentringtonePlayer = new MediaPlayer();
currentringtonePlayer.setDataSource(this,defaultringtoneUri);
currentringtonePlayer.setLooping(true);
currentringtonePlayer.prepare();
currentringtonePlayer.start();
使用此代码播放铃声。但我得到了以下例外,
2021-03-16 11:59:05.415 12096-12096/ W/MediaPlayer: Couldn't open content://0@settings/system/ringtone_cache
java.io.FileNotFoundException: open Failed: ENOENT (No such file or directory)
at android.database.DatabaseUtils.readExceptionWithFileNotFoundExceptionFromParcel(DatabaseUtils.java:149)
at android.content.ContentProviderProxy.openTypedAssetFile(ContentProviderNative.java:705)
at android.content.ContentResolver.openTypedAssetFileDescriptor(ContentResolver.java:1700)
at android.content.ContentResolver.openAssetFileDescriptor(ContentResolver.java:1516)
at android.content.ContentResolver.openAssetFileDescriptor(ContentResolver.java:1433)
at android.media.MediaPlayer.attemptDataSource(MediaPlayer.java:1157)
at android.media.MediaPlayer.setDataSource(MediaPlayer.java:1106)
at android.media.MediaPlayer.setDataSource(MediaPlayer.java:1022)
at com.CallActivity.playringtone(CallActivity.java:620)
at com.CallActivity.onCreate(CallActivity.java:348)
at android.app.Activity.performCreate(Activity.java:7893)
at android.app.Activity.performCreate(Activity.java:7880)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1306)
at android.app.ActivityThread.performlaunchActivity(ActivityThread.java:3310)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3484)
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:83)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2068)
at android.os.Handler.dispatchMessage(Handler.java:107)
at android.os.Looper.loop(Looper.java:224)
at android.app.ActivityThread.main(ActivityThread.java:7551)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:539)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:995)
在我的情况下播放铃声。尽管我得到了这个例外。有人知道为什么会这样吗?提前致谢
解决方法
如何使用 getActualDefaultRingtoneUri
Uri defaultRingToneUri = RingtoneManager.getActualDefaultRingtoneUri(mContext,RingtoneManager.TYPE_RINGTONE);