选择自定义铃声

/**
     * 选择自定义铃声
     */
    private void selectCustomSoung() {
        String notificationStr = SpUtils.getSettingString(NewsMsgNoticeActivity.this, CUSTOM_SONG_URI, null);
        Intent intent = new Intent(RingtoneManager.ACTION_RINGTONE_PICKER);
        // 允许用户选择“默认”
        intent.putExtra(RingtoneManager.EXTRA_RINGTONE_SHOW_DEFAULT, true);
        // 只显示铃声
        intent.putExtra(RingtoneManager.EXTRA_RINGTONE_TYPE, RingtoneManager.TYPE_NOTIFICATION);
        //设置默认通知值
        intent.putExtra(RingtoneManager.EXTRA_RINGTONE_DEFAULT_URI, RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION));
        // 不显示“沉默”
        intent.putExtra(RingtoneManager.EXTRA_RINGTONE_SHOW_SILENT, true);

        Uri notificationUri;
        if (notificationStr != null) {
            notificationUri = Uri.parse(notificationStr);
            // Put checkmark next to the current ringtone for this contact
            intent.putExtra(RingtoneManager.EXTRA_RINGTONE_EXISTING_URI, notificationUri);
        } else {
            // Otherwise pick default ringtone Uri so that something is selected.
            notificationUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);
            // Put checkmark next to the current ringtone for this contact
            intent.putExtra(RingtoneManager.EXTRA_RINGTONE_EXISTING_URI, notificationUri);
        }

        // Launch!
        startActivityForResult(intent, customSongRequestCode);
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
        if (requestCode == customSongRequestCode && data != null) {
            Uri pickedUri = data.getParcelableExtra(RingtoneManager.EXTRA_RINGTONE_PICKED_URI);
            if (null == pickedUri) {
                //静音
                SpUtils.putSettingString(NewsMsgNoticeActivity.this, CUSTOM_SONG_URI, null);
            } else {
                //获取铃声名称
//                String strRingtone = RingtoneManager.getRingtone(NewsMsgNoticeActivity.this, pickedUri).getTitle(NewsMsgNoticeActivity.this);
                SpUtils.putSettingString(NewsMsgNoticeActivity.this, CUSTOM_SONG_URI, pickedUri.toString());
            }
        }
    }