Added notify ASCI only

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

@@ -6360,11 +6360,11 @@ class Core {
                 // Wearables
                 StringBuilder sb = new StringBuilder();
                 if (!TextUtils.isEmpty(message.subject))
-                    sb.append(TextHelper.transliterateNotification(context, message.subject));
+                    sb.append(TextHelper.normalizeNotification(context, message.subject));
                 if (wearable_preview && !TextUtils.isEmpty(preview)) {
                     if (sb.length() > 0)
                         sb.append(" - ");
-                    sb.append(TextHelper.transliterateNotification(context, preview));
+                    sb.append(TextHelper.normalizeNotification(context, preview));
                 }
                 if (sb.length() > 0)
                     mbuilder.setContentText(sb.toString());
@@ -6395,7 +6395,7 @@ class Core {
                 }
             } else {
                 if (!TextUtils.isEmpty(message.subject))
-                    mbuilder.setContentText(TextHelper.transliterateNotification(context, message.subject));
+                    mbuilder.setContentText(TextHelper.normalizeNotification(context, message.subject));
             }
 
             if (info[0].hasPhoto())

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

@@ -111,6 +111,7 @@ public class FragmentOptionsNotifications extends FragmentBase implements Shared
     private SwitchCompat swNotifyPreviewAll;
     private SwitchCompat swNotifyPreviewOnly;
     private SwitchCompat swNotifyTransliterate;
+    private SwitchCompat swNotifyAscii;
     private ImageButton ibLight;
     private SwitchCompat swWearablePreview;
     private ImageButton ibWearable;
@@ -140,7 +141,7 @@ public class FragmentOptionsNotifications extends FragmentBase implements Shared
             "badge", "unseen_ignored",
             "notify_grouping", "notify_private", "notify_background_only", "notify_known", "notify_suppress_in_call", "notify_suppress_in_car",
             "notify_remove", "notify_clear",
-            "notify_subtext", "notify_preview", "notify_preview_all", "notify_preview_only", "notify_transliterate",
+            "notify_subtext", "notify_preview", "notify_preview_all", "notify_preview_only", "notify_transliterate", "notify_ascii",
             "wearable_preview",
             "notify_messaging",
             "biometrics_notify", "notify_open_folder", "background_service", "alert_once"
@@ -201,6 +202,7 @@ public class FragmentOptionsNotifications extends FragmentBase implements Shared
         swNotifyPreviewAll = view.findViewById(R.id.swNotifyPreviewAll);
         swNotifyPreviewOnly = view.findViewById(R.id.swNotifyPreviewOnly);
         swNotifyTransliterate = view.findViewById(R.id.swNotifyTransliterate);
+        swNotifyAscii = view.findViewById(R.id.swNotifyAscii);
         ibLight = view.findViewById(R.id.ibLight);
         swWearablePreview = view.findViewById(R.id.swWearablePreview);
         ibWearable = view.findViewById(R.id.ibWearable);
@@ -654,6 +656,13 @@ public class FragmentOptionsNotifications extends FragmentBase implements Shared
             }
         });
 
+        swNotifyAscii.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
+            @Override
+            public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
+                prefs.edit().putBoolean("notify_ascii", checked).apply();
+            }
+        });
+
         ibLight.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
@@ -858,6 +867,7 @@ public class FragmentOptionsNotifications extends FragmentBase implements Shared
             swNotifyPreviewAll.setChecked(prefs.getBoolean("notify_preview_all", false));
             swNotifyPreviewOnly.setChecked(prefs.getBoolean("notify_preview_only", false));
             swNotifyTransliterate.setChecked(prefs.getBoolean("notify_transliterate", false));
+            swNotifyAscii.setChecked(prefs.getBoolean("notify_ascii", false));
             swWearablePreview.setChecked(prefs.getBoolean("wearable_preview", false));
             swMessagingStyle.setChecked(prefs.getBoolean("notify_messaging", false));
             swBiometricsNotify.setChecked(prefs.getBoolean("biometrics_notify", true));

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

@@ -36,6 +36,7 @@ import androidx.preference.PreferenceManager;
 
 import java.io.StringReader;
 import java.io.StringWriter;
+import java.text.Normalizer;
 import java.time.ZoneId;
 import java.time.ZonedDateTime;
 import java.util.ArrayList;
@@ -127,13 +128,20 @@ public class TextHelper {
         }
     }
 
-    static String transliterateNotification(Context context, String text) {
+    static String normalizeNotification(Context context, String text) {
         SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
         boolean notify_transliterate = prefs.getBoolean("notify_transliterate", false);
-        if (!notify_transliterate)
+        boolean notify_ascii = prefs.getBoolean("notify_ascii", false);
-            return text;
 
-        return transliterate(context, text);
+        if (notify_transliterate)
+            text = transliterate(context, text);
+
+        if (notify_ascii) {
+            text = Normalizer.normalize(text, Normalizer.Form.NFKD)
+                    .replaceAll("[^\\p{ASCII}]", "");
+        }
+
+        return text;
     }
 
     static String transliterate(Context context, String text) {

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

@@ -754,6 +754,17 @@
                     app:layout_constraintTop_toBottomOf="@id/tvNotifyPreviewOnlyHint"
                     app:switchPadding="12dp" />
 
+                <androidx.appcompat.widget.SwitchCompat
+                    android:id="@+id/swNotifyAscii"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="12dp"
+                    android:text="@string/title_advanced_notify_ascii"
+                    app:layout_constraintEnd_toEndOf="parent"
+                    app:layout_constraintStart_toStartOf="parent"
+                    app:layout_constraintTop_toBottomOf="@id/swNotifyTransliterate"
+                    app:switchPadding="12dp" />
+
                 <ImageButton
                     android:id="@+id/ibLight"
                     android:layout_width="wrap_content"
@@ -762,7 +773,7 @@
                     android:contentDescription="@string/title_info"
                     android:tooltipText="@string/title_info"
                     app:layout_constraintStart_toStartOf="parent"
-                    app:layout_constraintTop_toBottomOf="@id/swNotifyTransliterate"
+                    app:layout_constraintTop_toBottomOf="@id/swNotifyAscii"
                     app:srcCompat="@drawable/baseline_wb_incandescent_24" />
 
                 <androidx.appcompat.widget.SwitchCompat

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

@@ -717,7 +717,8 @@
     <string name="title_advanced_notify_preview">Show message preview in notifications</string>
     <string name="title_advanced_notify_preview_all">Preview all text</string>
     <string name="title_advanced_notify_preview_only">Show notifications with a preview text only</string>
-    <string name="title_advanced_notify_transliterate" translatable="false">Transliterate</string>
+    <string name="title_advanced_notify_transliterate">Transliterate text</string>
+    <string name="title_advanced_notify_ascii">ASCII text only</string>
     <string name="title_advanced_notify_actions">Notification actions</string>
     <string name="title_advanced_notify_action_trash">Trash</string>
     <string name="title_advanced_notify_action_delete">Delete</string>