Gmail不会发送通过intent共享的文件，但会给出"invalid attachments“错误

Intent shareIntent = new Intent(Intent.ACTION_SEND);
shareIntent.setType("*/*");
shareIntent.putExtra(Intent.EXTRA_STREAM, Uri.fromFile(new File("path_to_file")));
startActivity(Intent.createChooser(shareIntent, "Share file"));

File file = new File("path_to_file");
if (file.exists() && file.canRead()) {
    Intent shareIntent = new Intent(Intent.ACTION_SEND);
    shareIntent.setType("*/*");
    shareIntent.putExtra(Intent.EXTRA_STREAM, Uri.fromFile(file));
    startActivity(Intent.createChooser(shareIntent, "Share file"));
} else {
    // Handle the error
}

if (ContextCompat.checkSelfPermission(this, Manifest.permission.READ_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
    ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.READ_EXTERNAL_STORAGE}, REQUEST_CODE);
}

File file = new File("path_to_file");
if (file.length() > 25 * 1024 * 1024) {
    // Handle the error
}