From f58c65544993eca543425a258f764da5f2e2ea7b Mon Sep 17 00:00:00 2001
From: Arjan Schrijver <a_gadgetbridge@anymore.nl>
Date: Sat, 22 Jul 2023 12:13:25 +0200
Subject: [PATCH] Fossil/Skagen Hybrids: Strip unicode characters that the
 watch can't display

---
 .../service/devices/qhybrid/QHybridSupport.java    | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/qhybrid/QHybridSupport.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/qhybrid/QHybridSupport.java
index 29213c326..bfee4c841 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/qhybrid/QHybridSupport.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/qhybrid/QHybridSupport.java
@@ -17,8 +17,6 @@
     along with this program.  If not, see <http://www.gnu.org/licenses/>. */
 package nodomain.freeyourgadget.gadgetbridge.service.devices.qhybrid;
 
-import android.app.Notification;
-import android.app.PendingIntent;
 import android.bluetooth.BluetoothGatt;
 import android.bluetooth.BluetoothGattCharacteristic;
 import android.content.BroadcastReceiver;
@@ -27,7 +25,6 @@ import android.content.Intent;
 import android.content.IntentFilter;
 import android.media.AudioManager;
 import android.net.Uri;
-import android.os.Build;
 import android.os.Bundle;
 import android.widget.Toast;
 
@@ -38,8 +35,6 @@ import org.slf4j.LoggerFactory;
 
 import java.io.File;
 import java.io.FileOutputStream;
-import java.io.PrintWriter;
-import java.io.StringWriter;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.Iterator;
@@ -47,7 +42,6 @@ import java.util.UUID;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
-import nodomain.freeyourgadget.gadgetbridge.BuildConfig;
 import nodomain.freeyourgadget.gadgetbridge.GBApplication;
 import nodomain.freeyourgadget.gadgetbridge.R;
 import nodomain.freeyourgadget.gadgetbridge.activities.devicesettings.DeviceSettingsPreferenceConst;
@@ -562,6 +556,14 @@ public class QHybridSupport extends QHybridBaseSupport {
         logger.debug(message);
     }
 
+    @Override
+    public String customStringFilter(String inputString) {
+        // Remove Unicode code points that can't be displayed by the watch like emoji skin tones and variation selectors
+        // \x{1f3fb}-\x{1f3ff} = Emoji skin tones: https://en.wikipedia.org/wiki/Emoticons_(Unicode_block)
+        // \ufe00-\ufe0f = Variation selectors: https://en.wikipedia.org/wiki/Variation_Selectors_(Unicode_block)
+        return inputString.replaceAll("[\\x{1f3fb}-\\x{1f3ff}|\\ufe00-\\ufe0f]", "");
+    }
+
     @Override
     public void onDeleteNotification(int id) {
         super.onDeleteNotification(id);