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Android:EACCES权限被拒绝在铃声文件夹中保存文件

[英]Android: EACCES Permission denied to save a file in the ringtones folder

I`m trying to download an MP3 file from the web using a stream and save it to the ringtones folder using this method 我正在尝试使用流从Web下载MP3文件并将其保存到使用此方法的铃声文件夹中

Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_RINGTONES)

I`ve added the required permissions: 我已经添加了所需的权限:

<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.write_external_storage"/>

When I check my app on an emulator (I currently use Andy) the app works perfectly. 当我在模拟器上检查我的应用程序(当前使用Andy)时,该应用程序可以正常运行。 When I check it on an actual device (more than one) I get no permission: /storage/sdcard0/Ringtones/MyRingtone.mp3: open failed: EACCES (Permission denied) 当我在一个实际设备(一个以上)上检查它时,我没有任何权限:/storage/sdcard0/Ringtones/MyRingtone.mp3:打开失败:EACCES(权限被拒绝)

Anyone has any idea what is missing? 任何人都知道缺少什么吗?

Here is the full method to download: 这是完整的下载方法:

protected String doInBackground(String... f_url) {

    Log.d(TAG, "doInBackground.Started");

    int count;
    try {
        mDownloadSuccess = true;
        URL url = new URL(f_url[0]);
        URLConnection connection = url.openConnection();
        connection.connect();

        // this will be useful so that you can show a typical 0-100%
        // progress bar
        int lengthOfFile = connection.getContentLength();

        // download the file
        InputStream input = new BufferedInputStream(url.openStream(),
                8192);

        // Output stream
        File path = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_RINGTONES);
        File file = new File(path, mModel.getTitle() + ".mp3");

        OutputStream output = new FileOutputStream(file);

        byte data[] = new byte[1024];

        long total = 0;

        while ((count = input.read(data)) != -1) {
            total += count;
            // publishing the progress....
            // After this onProgressUpdate will be called
            publishProgress("" + (int) ((total * 100) / lengthOfFile));

            // writing data to file
            output.write(data, 0, count);
        }

        // flushing output
        output.flush();

        // closing streams
        output.close();
        input.close();

    } catch (Exception e) {
        Log.e("Error: ", e.getMessage());
        mDownloadSuccess = false;
    }

    return null;
}

Thanks 谢谢

Solved it. 解决了。 It appears that the uses-permission is case sensitive It should have been: 看来use-permission区分大小写,应该是:

I have no idea why it managed to save it on the emulator. 我不知道为什么它设法将其保存在模拟器上。

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