check contact app

Signed-off-by: alperozturk <alper_ozturk@proton.me>

app/src/main/java/com/owncloud/android/ui/fragment/FileDetailSharingFragment.java

@@ -494,9 +494,13 @@ public class FileDetailSharingFragment extends Fragment implements ShareeListAda
     }
 
     private void pickContactEmail() {
-        Intent intent = new Intent(Intent.ACTION_PICK);
-        intent.setDataAndType(ContactsContract.Contacts.CONTENT_URI, ContactsContract.CommonDataKinds.Email.CONTENT_TYPE);
-        onContactSelectionResultLauncher.launch(intent);
+        Intent intent = new Intent(Intent.ACTION_PICK, ContactsContract.CommonDataKinds.Email.CONTENT_URI);
+
+        if (intent.resolveActivity(requireContext().getPackageManager()) != null) {
+            onContactSelectionResultLauncher.launch(intent);
+        } else {
+            DisplayUtils.showSnackMessage(requireActivity(), getString(R.string.file_detail_sharing_fragment_no_contact_app_message));
+        }
     }
 
     private void handleContactResult(@NonNull Uri contactUri) {

app/src/main/res/values/strings.xml

@@ -814,7 +814,7 @@
     <string name="userinfo_no_info_text">Add name, picture and contact details on your profile page.</string>
     <string name="drawer_header_background">Background image of drawer header</string>
     <string name="account_icon">Account icon</string>
-
+    <string name="file_detail_sharing_fragment_no_contact_app_message">No app available to select contacts</string>
     <string name="end_to_end_encryption_folder_not_empty">This folder is not empty.</string>
     <string name="end_to_end_encryption_wrong_password">Error while decrypting. Wrong password?</string>
     <string name="end_to_end_encryption_decrypting">Decrypting…</string>