Convert AppWidgetManager to Kotlin

app/src/main/java/org/tasks/widget/AppWidgetManager.java

@@ -1,38 +0,0 @@
-package org.tasks.widget;
-
-import android.content.ComponentName;
-import android.content.Context;
-import android.content.Intent;
-import dagger.hilt.android.qualifiers.ApplicationContext;
-import javax.inject.Inject;
-import org.tasks.R;
-
-public class AppWidgetManager {
-
-  private final android.appwidget.AppWidgetManager appWidgetManager;
-  private final Context context;
-
-  @Inject
-  public AppWidgetManager(@ApplicationContext Context context) {
-    this.context = context;
-    appWidgetManager = android.appwidget.AppWidgetManager.getInstance(context);
-  }
-
-  public void updateWidgets() {
-    appWidgetManager.notifyAppWidgetViewDataChanged(getWidgetIds(), R.id.list_view);
-  }
-
-  public void reconfigureWidgets(int... appWidgetIds) {
-    Intent intent = new Intent(context, TasksWidget.class);
-    intent.setAction(android.appwidget.AppWidgetManager.ACTION_APPWIDGET_UPDATE);
-    intent.putExtra(
-        android.appwidget.AppWidgetManager.EXTRA_APPWIDGET_IDS,
-        appWidgetIds.length == 0 ? getWidgetIds() : appWidgetIds);
-    context.sendBroadcast(intent);
-    updateWidgets();
-  }
-
-  public int[] getWidgetIds() {
-    return appWidgetManager.getAppWidgetIds(new ComponentName(context, TasksWidget.class));
-  }
-}

app/src/main/java/org/tasks/widget/AppWidgetManager.kt

@@ -0,0 +1,35 @@
+package org.tasks.widget
+
+import android.appwidget.AppWidgetManager
+import android.content.ComponentName
+import android.content.Context
+import android.content.Intent
+import dagger.hilt.android.qualifiers.ApplicationContext
+import org.tasks.R
+import org.tasks.widget.TasksWidget
+import javax.inject.Inject
+
+class AppWidgetManager @Inject constructor(
+        @param:ApplicationContext private val context: Context
+) {
+    private val appWidgetManager: AppWidgetManager? = AppWidgetManager.getInstance(context)
+
+    val widgetIds: IntArray
+        get() = appWidgetManager
+                ?.getAppWidgetIds(ComponentName(context, TasksWidget::class.java))
+                ?: intArrayOf()
+
+    fun reconfigureWidgets(vararg appWidgetIds: Int) {
+        val intent = Intent(context, TasksWidget::class.java)
+        intent.action = AppWidgetManager.ACTION_APPWIDGET_UPDATE
+        intent.putExtra(
+                AppWidgetManager.EXTRA_APPWIDGET_IDS,
+                appWidgetIds.takeIf { it.isNotEmpty() } ?: widgetIds)
+        context.sendBroadcast(intent)
+        updateWidgets()
+    }
+
+    fun updateWidgets() {
+        appWidgetManager?.notifyAppWidgetViewDataChanged(widgetIds, R.id.list_view)
+    }
+}