Added export/import warnings

app/src/main/java/eu/faircode/email/FragmentSetup.java

@@ -369,17 +369,11 @@ public class FragmentSetup extends FragmentEx {
                 return true;
 
             case R.id.menu_export:
-                if (Helper.isPro(getContext()))
-                    startActivityForResult(getIntentExport(), ActivitySetup.REQUEST_EXPORT);
-                else {
-                    FragmentTransaction fragmentTransaction = getFragmentManager().beginTransaction();
-                    fragmentTransaction.replace(R.id.content_frame, new FragmentPro()).addToBackStack("pro");
-                    fragmentTransaction.commit();
-                }
+                onMenuExport();
                 return true;
 
             case R.id.menu_import:
-                startActivityForResult(getIntentImport(), ActivitySetup.REQUEST_IMPORT);
+                onMenuImport();
                 return true;
 
             case R.id.menu_privacy:
@@ -433,6 +427,46 @@ public class FragmentSetup extends FragmentEx {
         fragmentTransaction.commit();
     }
 
+    private void onMenuExport() {
+        if (Helper.isPro(getContext()))
+            new DialogBuilderLifecycle(getContext(), getViewLifecycleOwner())
+                    .setMessage(R.string.title_setup_export_do)
+                    .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
+                        @Override
+                        public void onClick(DialogInterface dialog, int which) {
+                            try {
+                                startActivityForResult(getIntentExport(), ActivitySetup.REQUEST_EXPORT);
+                            } catch (Throwable ex) {
+                                Log.e(Helper.TAG, ex + "\n" + Log.getStackTraceString(ex));
+                            }
+                        }
+                    })
+                    .create()
+                    .show();
+        else {
+            FragmentTransaction fragmentTransaction = getFragmentManager().beginTransaction();
+            fragmentTransaction.replace(R.id.content_frame, new FragmentPro()).addToBackStack("pro");
+            fragmentTransaction.commit();
+        }
+    }
+
+    private void onMenuImport() {
+        new DialogBuilderLifecycle(getContext(), getViewLifecycleOwner())
+                .setMessage(R.string.title_setup_import_do)
+                .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+                        try {
+                            startActivityForResult(getIntentImport(), ActivitySetup.REQUEST_IMPORT);
+                        } catch (Throwable ex) {
+                            Log.e(Helper.TAG, ex + "\n" + Log.getStackTraceString(ex));
+                        }
+                    }
+                })
+                .create()
+                .show();
+    }
+
     private void onMenuAbout() {
         FragmentTransaction fragmentTransaction = getFragmentManager().beginTransaction();
         fragmentTransaction.replace(R.id.content_frame, new FragmentAbout()).addToBackStack("about");

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

@@ -56,8 +56,10 @@
     <string name="title_edit_folder">Edit folder</string>
 
     <string name="title_setup">Setup</string>
-    <string name="title_setup_export">Export settings (no passwords)</string>
+    <string name="title_setup_export">Export settings</string>
     <string name="title_setup_import">Import settings</string>
+    <string name="title_setup_export_do">Accounts and identities will be exported without passwords</string>
+    <string name="title_setup_import_do">Imported accounts will be added, not overwritten</string>
     <string name="title_setup_exported">Settings exported</string>
     <string name="title_setup_imported">Settings imported</string>
     <string name="title_setup_account">Manage accounts</string>