Android app directory structure, email files from internal storage

Question

I have a problem. I'm currently saving pdf files in the internal storage /data/user/0/com.thatapp.myApp/files/JP_31072016065930.pdf

Reading it via the app is not a problem, so I'm positive it exists. I'm now trying to send the file via email. From the other questions and answers here, I gather that you need to use a file provider.

So I added the following to my manifest

<provider
        android:name="android.support.v4.content.FileProvider"
        android:authorities="com.thatapp.fileprovider"
        android:exported="false"
        android:grantUriPermissions="true">
        <meta-data
            android:name="android.support.FILE_PROVIDER_PATHS"
            android:resource="@xml/filepath" />
    </provider>

@xml/filepath contains

<paths xmlns:android="http://schemas.android.com/apk/res/android">
<files-path name="my_pdf" path=""/>

My send email function is as below

String[] TO = {""};
    String[] CC = {""};
    Intent emailIntent = new Intent(Intent.ACTION_SEND);

    emailIntent.setData(Uri.parse("mailto:"));
    emailIntent.setType("text/plain");
    emailIntent.putExtra(Intent.EXTRA_EMAIL, TO);
    emailIntent.putExtra(Intent.EXTRA_CC, CC);
    emailIntent.putExtra(Intent.EXTRA_SUBJECT, "OTP:" + fileNmStr);
    emailIntent.putExtra(Intent.EXTRA_TEXT, "Email message goes here");
    File file = new File(fileNmStr);
    Log.i("PDF FILE", fileNmStr);
    Uri contentUri = getUriForFile(this, "com.thatapp.fileprovider", file);
    emailIntent.putExtra(Intent.EXTRA_STREAM, contentUri);

    try {
        startActivity(Intent.createChooser(emailIntent, "Send mail..."));
        finish();
        Toast.makeText(this, "Email Sent.", Toast.LENGTH_SHORT).show();
    }
    catch (android.content.ActivityNotFoundException ex) {
        Toast.makeText(this, "There is no email client installed.", Toast.LENGTH_SHORT).show();
    }

The File logs as /data/user/0/com.thatapp.contract/files/OTP_JP_31072016065930.pdf

When I run the code I hit the exception

java.lang.IllegalArgumentException: Failed to find configured root that contains /data/data/com.thatapp.myApp/files/OTP_JP_31072016065930.pdf

So if from what I understand /data/user/0/ == /data/data/ , then what causes the problem? Is my filepath wrong? I also tried "files/" as the path in the filepath but have the same problem. Please help.... staring at the problem for 24hrs already

Your xml filepath should refer intern. And for the intent you have to add grand uri permissions i think. — greenapps, Jul 31 '16 at 08:48
Hi. Thanks for the answer. How do you refer internal? I tried setting path as ".", "files/", "/" — user4094170, Jul 31 '16 at 09:01
Have you tried with the FIleProvider examples of https://developer.android.com/reference/android/support/v4/content/FileProvider.html ? — greenapps, Jul 31 '16 at 09:25
I also added permissions as so emailIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); but still the same problem — user4094170, Jul 31 '16 at 09:30
This did the trick and emailIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); — user4094170, Jul 31 '16 at 09:39
Had to clean the project before it worked tho. Wierd... Thanks for the help — user4094170, Jul 31 '16 at 09:39

Android app directory structure, email files from internal storage

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