diff --git a/app/src/main/java/org/tasks/LocalBroadcastManager.java b/app/src/main/java/org/tasks/LocalBroadcastManager.java
deleted file mode 100644
index 3341e0f10..000000000
--- a/app/src/main/java/org/tasks/LocalBroadcastManager.java
+++ /dev/null
@@ -1,100 +0,0 @@
-package org.tasks;
-
-import static com.google.common.collect.Lists.newArrayList;
-
-import android.content.BroadcastReceiver;
-import android.content.Context;
-import android.content.Intent;
-import android.content.IntentFilter;
-
-import com.todoroo.astrid.api.AstridApiConstants;
-
-import org.tasks.widget.AppWidgetManager;
-
-import java.util.ArrayList;
-
-import javax.inject.Inject;
-
-import dagger.hilt.android.qualifiers.ApplicationContext;
-
-public class LocalBroadcastManager {
-
-  public static final String REFRESH = BuildConfig.APPLICATION_ID + ".REFRESH";
-  public static final String REFRESH_LIST = BuildConfig.APPLICATION_ID + ".REFRESH_LIST";
-  private static final String TASK_COMPLETED = BuildConfig.APPLICATION_ID + ".REPEAT";
-  private static final String REFRESH_PURCHASES = BuildConfig.APPLICATION_ID + ".REFRESH_PURCHASES";
-  private static final String REFRESH_PREFERENCES = BuildConfig.APPLICATION_ID + ".REFRESH_PREFERENCES";
-
-  private final androidx.localbroadcastmanager.content.LocalBroadcastManager localBroadcastManager;
-  private final AppWidgetManager appWidgetManager;
-
-  @Inject
-  public LocalBroadcastManager(@ApplicationContext Context context, AppWidgetManager appWidgetManager) {
-    this.appWidgetManager = appWidgetManager;
-    localBroadcastManager =
-        androidx.localbroadcastmanager.content.LocalBroadcastManager.getInstance(context);
-  }
-
-  public void registerRefreshReceiver(BroadcastReceiver broadcastReceiver) {
-    localBroadcastManager.registerReceiver(broadcastReceiver, new IntentFilter(REFRESH));
-  }
-
-  public void registerRefreshListReceiver(BroadcastReceiver broadcastReceiver) {
-    IntentFilter intentFilter = new IntentFilter();
-    intentFilter.addAction(REFRESH);
-    intentFilter.addAction(REFRESH_LIST);
-    localBroadcastManager.registerReceiver(broadcastReceiver, intentFilter);
-  }
-
-  public void registerTaskCompletedReceiver(BroadcastReceiver broadcastReceiver) {
-    localBroadcastManager.registerReceiver(broadcastReceiver, new IntentFilter(TASK_COMPLETED));
-  }
-
-  public void registerPurchaseReceiver(BroadcastReceiver broadcastReceiver) {
-    localBroadcastManager.registerReceiver(broadcastReceiver, new IntentFilter(REFRESH_PURCHASES));
-  }
-
-  public void registerPreferenceReceiver(BroadcastReceiver broadcastReceiver) {
-    localBroadcastManager.registerReceiver(broadcastReceiver, new IntentFilter(REFRESH_PREFERENCES));
-  }
-
-  public void broadcastRefresh() {
-    localBroadcastManager.sendBroadcast(new Intent(REFRESH));
-    appWidgetManager.updateWidgets();
-  }
-
-  public void broadcastRefreshList() {
-    localBroadcastManager.sendBroadcast(new Intent(REFRESH_LIST));
-  }
-
-  public void broadcastPreferenceRefresh() {
-    localBroadcastManager.sendBroadcast(new Intent(REFRESH_PREFERENCES));
-  }
-
-  public void broadcastTaskCompleted(long id, long oldDueDate) {
-    broadcastTaskCompleted(newArrayList(id), oldDueDate);
-  }
-
-  public void broadcastTaskCompleted(ArrayList<Long> id) {
-    broadcastTaskCompleted(id, 0);
-  }
-
-  private void broadcastTaskCompleted(ArrayList<Long> id, long oldDueDate) {
-    Intent intent = new Intent(TASK_COMPLETED);
-    intent.putExtra(AstridApiConstants.EXTRAS_TASK_ID, id);
-    intent.putExtra(AstridApiConstants.EXTRAS_OLD_DUE_DATE, oldDueDate);
-    localBroadcastManager.sendBroadcast(intent);
-  }
-
-  public void unregisterReceiver(BroadcastReceiver broadcastReceiver) {
-    localBroadcastManager.unregisterReceiver(broadcastReceiver);
-  }
-
-  public void broadcastPurchasesUpdated() {
-    localBroadcastManager.sendBroadcast(new Intent(REFRESH_PURCHASES));
-  }
-
-  public void reconfigureWidget(int appWidgetId) {
-    appWidgetManager.reconfigureWidgets(appWidgetId);
-  }
-}
diff --git a/app/src/main/java/org/tasks/LocalBroadcastManager.kt b/app/src/main/java/org/tasks/LocalBroadcastManager.kt
new file mode 100644
index 000000000..93c5d46e8
--- /dev/null
+++ b/app/src/main/java/org/tasks/LocalBroadcastManager.kt
@@ -0,0 +1,93 @@
+package org.tasks
+
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import android.content.IntentFilter
+import androidx.localbroadcastmanager.content.LocalBroadcastManager
+import com.google.common.collect.Lists
+import com.todoroo.astrid.api.AstridApiConstants
+import dagger.hilt.android.qualifiers.ApplicationContext
+import org.tasks.widget.AppWidgetManager
+import javax.inject.Inject
+
+class LocalBroadcastManager @Inject constructor(
+    @ApplicationContext context: Context,
+    private val appWidgetManager: AppWidgetManager,
+) {
+    private val localBroadcastManager = LocalBroadcastManager.getInstance(context)
+
+    fun registerRefreshReceiver(broadcastReceiver: BroadcastReceiver?) {
+        localBroadcastManager.registerReceiver(broadcastReceiver!!, IntentFilter(REFRESH))
+    }
+
+    fun registerRefreshListReceiver(broadcastReceiver: BroadcastReceiver?) {
+        val intentFilter = IntentFilter()
+        intentFilter.addAction(REFRESH)
+        intentFilter.addAction(REFRESH_LIST)
+        localBroadcastManager.registerReceiver(broadcastReceiver!!, intentFilter)
+    }
+
+    fun registerTaskCompletedReceiver(broadcastReceiver: BroadcastReceiver?) {
+        localBroadcastManager.registerReceiver(broadcastReceiver!!, IntentFilter(TASK_COMPLETED))
+    }
+
+    fun registerPurchaseReceiver(broadcastReceiver: BroadcastReceiver?) {
+        localBroadcastManager.registerReceiver(broadcastReceiver!!, IntentFilter(REFRESH_PURCHASES))
+    }
+
+    fun registerPreferenceReceiver(broadcastReceiver: BroadcastReceiver?) {
+        localBroadcastManager.registerReceiver(
+            broadcastReceiver!!,
+            IntentFilter(REFRESH_PREFERENCES)
+        )
+    }
+
+    fun broadcastRefresh() {
+        localBroadcastManager.sendBroadcast(Intent(REFRESH))
+        appWidgetManager.updateWidgets()
+    }
+
+    fun broadcastRefreshList() {
+        localBroadcastManager.sendBroadcast(Intent(REFRESH_LIST))
+    }
+
+    fun broadcastPreferenceRefresh() {
+        localBroadcastManager.sendBroadcast(Intent(REFRESH_PREFERENCES))
+    }
+
+    fun broadcastTaskCompleted(id: Long, oldDueDate: Long) {
+        broadcastTaskCompleted(Lists.newArrayList(id), oldDueDate)
+    }
+
+    fun broadcastTaskCompleted(id: ArrayList<Long>) {
+        broadcastTaskCompleted(id, 0)
+    }
+
+    private fun broadcastTaskCompleted(id: ArrayList<Long>, oldDueDate: Long) {
+        val intent = Intent(TASK_COMPLETED)
+        intent.putExtra(AstridApiConstants.EXTRAS_TASK_ID, id)
+        intent.putExtra(AstridApiConstants.EXTRAS_OLD_DUE_DATE, oldDueDate)
+        localBroadcastManager.sendBroadcast(intent)
+    }
+
+    fun unregisterReceiver(broadcastReceiver: BroadcastReceiver?) {
+        localBroadcastManager.unregisterReceiver(broadcastReceiver!!)
+    }
+
+    fun broadcastPurchasesUpdated() {
+        localBroadcastManager.sendBroadcast(Intent(REFRESH_PURCHASES))
+    }
+
+    fun reconfigureWidget(appWidgetId: Int) {
+        appWidgetManager.reconfigureWidgets(appWidgetId)
+    }
+
+    companion object {
+        const val REFRESH = "${BuildConfig.APPLICATION_ID}.REFRESH"
+        const val REFRESH_LIST = "${BuildConfig.APPLICATION_ID}.REFRESH_LIST"
+        private const val TASK_COMPLETED = "${BuildConfig.APPLICATION_ID}.REPEAT"
+        private const val REFRESH_PURCHASES = "${BuildConfig.APPLICATION_ID}.REFRESH_PURCHASES"
+        private const val REFRESH_PREFERENCES = "${BuildConfig.APPLICATION_ID}.REFRESH_PREFERENCES"
+    }
+}