Share file from internal storage

[dseligo]

I am trying to share file from internal storage (as an email attachment or with Whatsapp or similar, I don't care at this point).

I tried to mimic accepted answer from here: https://stackoverflow.com/questions/47955490/share-text-file-via-intent-from-internal-storage.

So I created a file res/xml/provider_paths.xml with following content:

Code: XML  [Select][+][-]

1. <?xml version="1.0" encoding="utf-8"?>
2. <paths xmlns:android="http://schemas.android.com/apk/res/android">
3.     <files-path name="files" path="." />
4. </paths>

To the AndroidManifest.xml I added:

Code: XML  [Select][+][-]

1. ...
2.  
3. <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
4.  
5. ...
6.  
7. <application>
8.  
9. ...
10.  
11.     <provider
12.        android:name="androidx.core.content.FileProvider"
13.        android:authorities="${applicationId}.fileprovider"
14.        android:exported="false"
15.        android:grantUriPermissions="true">
16.         <meta-data
17.            android:name="android.support.FILE_PROVIDER_PATHS"
18.            android:resource="@xml/provider_paths" />
19.     </provider>
20.   </application>
21.  
22. ...
23.  
24.   <queries>
25.     <intent>
26.       <action android:name="android.intent.action.SEND"/>
27.       <data android:scheme="*"/>
28.     </intent>
29.   </queries>
30. </manifest>

And then tried this code:

Code: Pascal  [Select][+][-]

1. procedure TAndroidModule1.Button1Click(Sender: TObject);
2. const cFile = 'proba.txt';
3. var Uri: jObject;
4.     sFullPath: String;
5.     f: TextFile;
6. begin
7.   sFullPath := GetEnvironmentDirectoryPath(dirInternalAppStorage)  + '/' + cFile;
8.  
9.   // create file if necessary
10.   if not FileExists(sFullPath) then
11.   begin
12.     AssignFile(f, sFullPath);
13.     Rewrite(f);
14.     WriteLn(f, FormatDateTime('hh:nn:ss', Now));
15.     WriteLn(f, 'proba1.');
16.     CloseFile(f);
17.   end;
18.  
19.   Uri := GetUriFromFile(sFullPath);
20.   jIntentManager1.SetAction('android.intent.action.SEND');
21.   jIntentManager1.PutExtraText('test');
22.   jIntentManager1.PutExtraFile(Uri);
23.   jIntentManager1.AddFlag(ifGrantReadUriPermission);
24.   jIntentManager1.SetMimeType('plain/*');
25.  
26.   if jIntentManager1.ResolveActivity then
27.     If jIntentManager1.StartActivity('Send Email ...') then
28.       ShowMessage('Activity started')
29.     else
30.       ShowMessage('Activity not started')
31.   else
32.     ShowMessage('Not resolved');
33. end;

I get 'Activity not started'.

Then I changed code to:

Code: Pascal  [Select][+][-]

1. ...
2.  
3.   Uri := GetUriFromFile(sFullPath);
4.   jIntentManager1.SetAction('android.intent.action.SEND');
5.   jIntentManager1.SetMimeType('text/plain'); // jIntentManager1.SetMimeType('message/rfc822');
6.  
7.   // if I don't have those 3 lines I get message 'Activity not started' below
8.   jIntentManager1.SetDataUri(jIntentManager1.GetMailtoUri('mymail@mymail.com'));
9.   jIntentManager1.PutExtraMailSubject('Test 1');
10.   jIntentManager1.PutExtraMailBody('This is test 1.' + LineEnding + LineEnding + 'Regards');
11.  
12.   jIntentManager1.PutExtraFile(Uri);
13.  
14.   jIntentManager1.AddFlag(ifActivityNewTask);
15.   jIntentManager1.AddFlag(ifGrantReadUriPermission);
16.  
17.   if jIntentManager1.ResolveActivity then
18.     If jIntentManager1.StartActivity('Send Email ...') then
19. ...

Now the activity is started (Outlook is shown with mail, subject and body), but I get message 'Unable to add attachment'.

What can I do?
Does some have some example how to share/send attachment?