android - 与另一个应用程序共享我的应用程序目录中的 PDF 文件有效但打开它没有

Question

我正在使用文件提供程序来保存和检索由我的应用程序生成的 PDF 文件。我想与其他 PDF 应用程序共享和打开这些文件。共享有效，但开放无效。这是共享和打开 PDF 文件的代码：

分享：

    private void shareTheFile(int position) {
    try {
        File docPath=new File(SavedPdfActivity.this.getFilesDir(),"Documents");
        Log.d(TAG, "shareTheFile: document dir path="+docPath.getAbsolutePath());
        File file = new File(mList.get(position).getFilePath());
        Log.d(TAG, "shareTheFile: file path as saved in db="+file.getAbsolutePath());
        String fileName=file.getName();
        File newFile=new File(docPath, fileName);
        Log.d(TAG, "shareTheFile: new file path="+newFile.getAbsolutePath());
        Uri uri= FileProvider.getUriForFile(SavedPdfActivity.this, "com.rewoke.prixpi.pdfprovider", newFile);
        Log.d(TAG, "shareTheFile: uri="+uri.toString());
        Intent intentShareFile = new Intent();
        intentShareFile.setAction(Intent.ACTION_SEND);
        intentShareFile.setDataAndType(uri, getContentResolver().getType(uri));
        intentShareFile.putExtra(Intent.EXTRA_STREAM, uri);
        intentShareFile.putExtra(Intent.EXTRA_TEXT, mList.get(position).getFileName());
        PackageManager pm = getPackageManager();
        if (intentShareFile.resolveActivity(pm) != null) {
            startActivity(Intent.createChooser(intentShareFile, "Share file"));
        }
    }catch (Exception e){
        Log.d(TAG, "shareTheFile: error msg="+e.getMessage());
        e.printStackTrace();
    }
}

并打开 PDF：

 private void openThePdf(int position) {
    File docPath=new File(SavedPdfActivity.this.getFilesDir(),"Documents");
    File file = new File(mList.get(position).getFilePath());
    String fileName=file.getName();
    File newFile=new File(docPath, fileName);

    try {
        Uri uri = FileProvider.getUriForFile(SavedPdfActivity.this, "com.application.name.pdfprovider", newFile);
        Intent openIntent = new Intent(Intent.ACTION_VIEW, uri);
        openIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
        PackageManager pm = getPackageManager();
        if (openIntent.resolveActivity(pm) != null) {
            startActivity(Intent.createChooser(openIntent, "Open file"));
        }
    }catch (Exception e){
        Log.d(TAG, "openThePdf: error msg="+e.getMessage());
    }
}

尝试使用 Drive PDF Viewer 应用程序打开文件时出现以下错误：

openFd: java.io.FileNotFoundException: open failed: ENOENT (No such file or directory)

我的文件提供者：

  <provider
        android:authorities="{$appliation_name}.pdfprovider"
        android:name=".helper.CustomFileProvider"
        android:exported="false"
        android:grantUriPermissions="true">
        <meta-data
            android:name="android.support.FILE_PROVIDER_PATHS"
            android:resource="@xml/filepaths"/>
    </provider>

我的日志：

2019-12-23 12:17:26.100 19822-19822/com.rewoke.prixpi D/SavedPdfActivity: shareTheFile: document dir path=/data/user/0/com.rewoke.prixpi/files/Documents
2019-12-23 12:17:26.100 19822-19822/com.rewoke.prixpi D/SavedPdfActivity: shareTheFile: file path as saved in db=/storage/emulated/0/Android/data/com.rewoke.prixpi/files/Documents/PrixpiPDF_2019-12-357 11:30:503867655244253323634.pdf
2019-12-23 12:17:26.100 19822-19822/com.rewoke.prixpi D/SavedPdfActivity: shareTheFile: new file path=/data/user/0/com.rewoke.prixpi/files/Documents/PrixpiPDF_2019-12-357 11:30:503867655244253323634.pdf
2019-12-23 12:17:26.101 19822-19822/com.rewoke.prixpi D/SavedPdfActivity: shareTheFile: uri=content://com.rewoke.prixpi.pdfprovider/my_docs/PrixpiPDF_2019-12-357%2011%3A30%3A503867655244253323634.pdf

标签： androidfile-sharingandroid-fileprovider