Added export password hint

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

@@ -1311,6 +1311,7 @@ public class ActivitySetup extends ActivityBase implements FragmentManager.OnBac
             TextView tvCaption = dview.findViewById(R.id.tvCaption);
             etPassword1 = dview.findViewById(R.id.tilPassword1);
             etPassword2 = dview.findViewById(R.id.tilPassword2);
+            TextView tvExportHint = dview.findViewById(R.id.tvExportHint);
             TextView tvImportHint = dview.findViewById(R.id.tvImportHint);
 
             tvCaption.setText(export ? R.string.title_setup_export : R.string.title_setup_import);
@@ -1321,6 +1322,7 @@ public class ActivitySetup extends ActivityBase implements FragmentManager.OnBac
             }
 
             etPassword2.setVisibility(export ? View.VISIBLE : View.GONE);
+            tvExportHint.setVisibility(export ? View.VISIBLE : View.GONE);
             tvImportHint.setVisibility(export ? View.GONE : View.VISIBLE);
 
             return new AlertDialog.Builder(getContext())

app/src/main/res/layout/dialog_password.xml

@@ -61,6 +61,16 @@
                 android:textAppearance="@style/TextAppearance.AppCompat.Medium" />
         </com.google.android.material.textfield.TextInputLayout>
 
+        <eu.faircode.email.FixedTextView
+            android:id="@+id/tvExportHint"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="12dp"
+            android:text="@string/title_setup_export_do"
+            android:textAppearance="@style/TextAppearance.AppCompat.Small"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/tilPassword2" />
+
         <eu.faircode.email.FixedTextView
             android:id="@+id/tvImportHint"
             android:layout_width="wrap_content"
@@ -69,6 +79,6 @@
             android:text="@string/title_setup_import_do"
             android:textAppearance="@style/TextAppearance.AppCompat.Small"
             app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@id/tilPassword2" />
+            app:layout_constraintTop_toBottomOf="@id/tvExportHint" />
     </androidx.constraintlayout.widget.ConstraintLayout>
 </eu.faircode.email.ScrollViewEx>

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

@@ -223,6 +223,7 @@
 
     <string name="title_setup_export">Export settings</string>
     <string name="title_setup_import">Import settings</string>
+    <string name="title_setup_export_do">The password is used to encrypt the settings and is required to import the settings again</string>
     <string name="title_setup_import_do">Imported accounts will be added without overwriting any existing ones</string>
     <string name="title_setup_password">Password</string>
     <string name="title_setup_password_chars">Password contains control or whitespace characters</string>