diff --git a/src/org/kde/kdeconnect/Backends/LoopbackBackend/LoopbackLink.java b/src/org/kde/kdeconnect/Backends/LoopbackBackend/LoopbackLink.java
deleted file mode 100644
index 08f38546..00000000
--- a/src/org/kde/kdeconnect/Backends/LoopbackBackend/LoopbackLink.java
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 2014 Albert Vaca Cintora <albertvaka@gmail.com>
- *
- * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
-*/
-
-package org.kde.kdeconnect.Backends.LoopbackBackend;
-
-import android.content.Context;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.WorkerThread;
-
-import org.kde.kdeconnect.Backends.BaseLink;
-import org.kde.kdeconnect.Backends.BaseLinkProvider;
-import org.kde.kdeconnect.Device;
-import org.kde.kdeconnect.DeviceInfo;
-import org.kde.kdeconnect.Helpers.DeviceHelper;
-import org.kde.kdeconnect.NetworkPacket;
-
-public class LoopbackLink extends BaseLink {
-
-    public LoopbackLink(Context context, BaseLinkProvider linkProvider) {
-        super(context, linkProvider);
-    }
-
-    @Override
-    public String getName() {
-        return "LoopbackLink";
-    }
-
-    @WorkerThread
-    @Override
-    public boolean sendPacket(@NonNull NetworkPacket in, @NonNull Device.SendPacketStatusCallback callback, boolean sendPayloadFromSameThread) {
-        packetReceived(in);
-        if (in.hasPayload()) {
-            callback.onPayloadProgressChanged(0);
-            in.setPayload(in.getPayload());
-            callback.onPayloadProgressChanged(100);
-        }
-        callback.onSuccess();
-        return true;
-    }
-
-    @Override
-    public DeviceInfo getDeviceInfo() {
-        return DeviceHelper.getDeviceInfo(context);
-    }
-
-}
diff --git a/src/org/kde/kdeconnect/Backends/LoopbackBackend/LoopbackLink.kt b/src/org/kde/kdeconnect/Backends/LoopbackBackend/LoopbackLink.kt
new file mode 100644
index 00000000..533af2db
--- /dev/null
+++ b/src/org/kde/kdeconnect/Backends/LoopbackBackend/LoopbackLink.kt
@@ -0,0 +1,34 @@
+/*
+ * SPDX-FileCopyrightText: 2014 Albert Vaca Cintora <albertvaka@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+package org.kde.kdeconnect.Backends.LoopbackBackend
+
+import android.content.Context
+import androidx.annotation.WorkerThread
+import org.kde.kdeconnect.Backends.BaseLink
+import org.kde.kdeconnect.Backends.BaseLinkProvider
+import org.kde.kdeconnect.Device
+import org.kde.kdeconnect.DeviceInfo
+import org.kde.kdeconnect.Helpers.DeviceHelper.getDeviceInfo
+import org.kde.kdeconnect.NetworkPacket
+
+class LoopbackLink : BaseLink {
+    constructor(context: Context, linkProvider: BaseLinkProvider) : super(context, linkProvider)
+
+    override fun getName(): String = "LoopbackLink"
+    override fun getDeviceInfo(): DeviceInfo = getDeviceInfo(context)
+
+    @WorkerThread
+    override fun sendPacket(packet: NetworkPacket, callback: Device.SendPacketStatusCallback, sendPayloadFromSameThread: Boolean): Boolean {
+        packetReceived(packet)
+        if (packet.hasPayload()) {
+            callback.onPayloadProgressChanged(0)
+            packet.payload = packet.payload // this triggers logic in the setter
+            callback.onPayloadProgressChanged(100)
+        }
+        callback.onSuccess()
+        return true
+    }
+}
diff --git a/src/org/kde/kdeconnect/Backends/LoopbackBackend/LoopbackLinkProvider.java b/src/org/kde/kdeconnect/Backends/LoopbackBackend/LoopbackLinkProvider.java
deleted file mode 100644
index 3f613d50..00000000
--- a/src/org/kde/kdeconnect/Backends/LoopbackBackend/LoopbackLinkProvider.java
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 2014 Albert Vaca Cintora <albertvaka@gmail.com>
- *
- * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
-*/
-
-package org.kde.kdeconnect.Backends.LoopbackBackend;
-
-import android.content.Context;
-import android.net.Network;
-
-import androidx.annotation.Nullable;
-
-import org.kde.kdeconnect.Backends.BaseLinkProvider;
-
-public class LoopbackLinkProvider extends BaseLinkProvider {
-
-    private final Context context;
-
-    public LoopbackLinkProvider(Context context) {
-        this.context = context;
-    }
-
-    @Override
-    public void onStart() {
-        onNetworkChange(null);
-    }
-
-    @Override
-    public void onStop() {
-    }
-
-    @Override
-    public void onNetworkChange(@Nullable Network network) {
-        LoopbackLink link = new LoopbackLink(context, this);
-        onConnectionReceived(link);
-    }
-
-    @Override
-    public String getName() {
-        return "LoopbackLinkProvider";
-    }
-
-    @Override
-    public int getPriority() { return 0; }
-}
diff --git a/src/org/kde/kdeconnect/Backends/LoopbackBackend/LoopbackLinkProvider.kt b/src/org/kde/kdeconnect/Backends/LoopbackBackend/LoopbackLinkProvider.kt
new file mode 100644
index 00000000..f2cad72a
--- /dev/null
+++ b/src/org/kde/kdeconnect/Backends/LoopbackBackend/LoopbackLinkProvider.kt
@@ -0,0 +1,32 @@
+/*
+ * SPDX-FileCopyrightText: 2014 Albert Vaca Cintora <albertvaka@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+package org.kde.kdeconnect.Backends.LoopbackBackend
+
+import android.content.Context
+import android.net.Network
+import org.kde.kdeconnect.Backends.BaseLinkProvider
+
+class LoopbackLinkProvider : BaseLinkProvider {
+    private val context: Context
+
+    constructor(context: Context) : super() {
+        this.context = context
+    }
+
+    override fun getName(): String = "LoopbackLinkProvider"
+    override fun getPriority(): Int = 0
+
+    override fun onStart() {
+        onNetworkChange(null)
+    }
+
+    override fun onStop() { }
+
+    override fun onNetworkChange(network: Network?) {
+        val link = LoopbackLink(context, this)
+        onConnectionReceived(link)
+    }
+}