Mi Band 4C: Experimental support

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/xiaomi/watches/MiBand4CCoordinator.java

@@ -0,0 +1,53 @@
+/*  Copyright (C) 2026 José Rebelo
+
+    This file is part of Gadgetbridge.
+
+    Gadgetbridge is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published
+    by the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    Gadgetbridge is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>. */
+package nodomain.freeyourgadget.gadgetbridge.devices.xiaomi.watches;
+
+import androidx.annotation.NonNull;
+
+import java.util.regex.Pattern;
+
+import nodomain.freeyourgadget.gadgetbridge.R;
+import nodomain.freeyourgadget.gadgetbridge.devices.xiaomi.XiaomiCoordinator;
+import nodomain.freeyourgadget.gadgetbridge.impl.GBDevice;
+
+public class MiBand4CCoordinator extends XiaomiCoordinator {
+    @Override
+    public int getDeviceNameResource() {
+        return R.string.devicetype_miband4c;
+    }
+
+    @Override
+    protected Pattern getSupportedDeviceName() {
+        return Pattern.compile("^Mi Smart Band 4C_[0-9A-F]{4}$");
+    }
+
+    @Override
+    public int getDefaultIconResource() {
+        return R.drawable.ic_device_default;
+    }
+
+    @Override
+    public boolean isExperimental() {
+        // #2020 - Untested
+        return true;
+    }
+
+    @Override
+    public DeviceKind getDeviceKind(@NonNull GBDevice device) {
+        return DeviceKind.FITNESS_BAND;
+    }
+}

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/model/DeviceType.java

@@ -405,6 +405,7 @@ import nodomain.freeyourgadget.gadgetbridge.devices.waspos.WaspOSCoordinator;
 import nodomain.freeyourgadget.gadgetbridge.devices.watch9.Watch9DeviceCoordinator;
 import nodomain.freeyourgadget.gadgetbridge.devices.withingssteelhr.WithingsSteelHRDeviceCoordinator;
 import nodomain.freeyourgadget.gadgetbridge.devices.xiaomi.watches.MiBand10Coordinator;
+import nodomain.freeyourgadget.gadgetbridge.devices.xiaomi.watches.MiBand4CCoordinator;
 import nodomain.freeyourgadget.gadgetbridge.devices.xiaomi.watches.MiBand7ProCoordinator;
 import nodomain.freeyourgadget.gadgetbridge.devices.xiaomi.watches.MiBand8ActiveCoordinator;
 import nodomain.freeyourgadget.gadgetbridge.devices.xiaomi.watches.MiBand8Coordinator;
@@ -470,6 +471,7 @@ public enum DeviceType {
     MIBAND3(MiBand3Coordinator.class),
     AMAZFITCOR2(AmazfitCor2Coordinator.class),
     MIBAND4(MiBand4Coordinator.class),
+    MIBAND4C(MiBand4CCoordinator.class),
     AMAZFITBIP_LITE(AmazfitBipLiteCoordinator.class),
     AMAZFITGTR(AmazfitGTRCoordinator.class),
     AMAZFITGTS(AmazfitGTSCoordinator.class),

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

@@ -1841,6 +1841,7 @@
     <string name="devicetype_miband2" translatable="false">Mi Band 2</string>
     <string name="devicetype_miband3" translatable="false">Mi Band 3</string>
     <string name="devicetype_miband4" translatable="false">Mi Band 4</string>
+    <string name="devicetype_miband4c" translatable="false">Mi Band 4C</string>
     <string name="devicetype_miband5" translatable="false">Mi Band 5</string>
     <string name="devicetype_miband6" translatable="false">Mi Band 6</string>
     <string name="devicetype_miband7" translatable="false">Xiaomi Smart Band 7</string>

app/src/test/java/nodomain/freeyourgadget/gadgetbridge/devices/AbstractDeviceCoordinatorTest.java

@@ -26,6 +26,7 @@ public class AbstractDeviceCoordinatorTest extends TestBase {
             put("Amazfit T-Rex 2", DeviceType.AMAZFITTREX2); // #3033
             put("T-Rex 3 Pro (48mm)-6752", DeviceType.AMAZFITTREX3PRO48MM); // #5533
             put("Amazfit GTS 4 mini New", DeviceType.AMAZFITGTS4MININEW); // #5472
+            put("Mi Smart Band 4C_D77E", DeviceType.MIBAND4C);
             put("Xiaomi Band 9 Active AB01", DeviceType.MIBAND9ACTIVE);
             put("vívoactive 6", DeviceType.GARMIN_VIVOACTIVE_6);
             put("CMF Buds 2", DeviceType.NOTHING_CMF_BUDS_2); // #5579