Small improvements

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

@@ -755,7 +755,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
                             tvBody.setTextSize(TypedValue.COMPLEX_UNIT_PX, size);
 
                             scale = scale * factor;
-                            String perc = Math.round(scale * 100) + " %";
+                            String perc = Math.round(scale * message_zoom) + " %";
                             if (toast != null)
                                 toast.cancel();
                             toast = ToastEx.makeText(context, perc, Toast.LENGTH_SHORT);

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

@@ -624,11 +624,11 @@ public class FragmentOptionsDisplay extends FragmentBase implements SharedPrefer
             @Override
             public void onTextChanged(CharSequence s, int start, int before, int count) {
                 try {
-                    int timeout = (s.length() > 0 ? Integer.parseInt(s.toString()) : 0);
-                    if (timeout == 0)
+                    int zoom = (s.length() > 0 ? Integer.parseInt(s.toString()) : 0);
+                    if (zoom == 0)
                         prefs.edit().remove("message_zoom").apply();
                     else
-                        prefs.edit().putInt("message_zoom", timeout).apply();
+                        prefs.edit().putInt("message_zoom", zoom).apply();
                 } catch (NumberFormatException ex) {
                     Log.e(ex);
                 }

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

@@ -846,6 +846,17 @@
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/tvMessageZoom" />
 
+        <eu.faircode.email.FixedTextView
+            android:id="@+id/tvMessageZoomPercentage"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:text="%"
+            android:textAppearance="@style/TextAppearance.AppCompat.Small"
+            android:textColor="?android:attr/textColorPrimary"
+            app:layout_constraintBottom_toBottomOf="@id/etMessageZoom"
+            app:layout_constraintStart_toEndOf="@id/etMessageZoom"
+            app:layout_constraintTop_toTopOf="@id/etMessageZoom" />
+
         <androidx.appcompat.widget.SwitchCompat
             android:id="@+id/swContrast"
             android:layout_width="0dp"

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

@@ -358,7 +358,7 @@
     <string name="title_advanced_addresses">Expand address details by default</string>
     <string name="title_advanced_attachments_alt">Show attachments after the message text</string>
     <string name="title_advanced_thumbnails">Show image thumbnails after the message text</string>
-    <string name="title_advanced_message_text_zoom">Default message text zoom (%)</string>
+    <string name="title_advanced_message_text_zoom">Default message text zoom</string>
     <string name="title_advanced_contrast">Use high contrast for message text</string>
     <string name="title_advanced_monospaced">Use monospaced font for message text by default</string>
     <string name="title_advanced_text_color">Use text colors</string>