properly update the list widget when needed

app/src/main/kotlin/com/simplemobiletools/calendar/activities/MainActivity.kt

@@ -12,7 +12,7 @@ import com.simplemobiletools.calendar.R
 import com.simplemobiletools.calendar.adapters.MyMonthPagerAdapter
 import com.simplemobiletools.calendar.adapters.MyYearPagerAdapter
 import com.simplemobiletools.calendar.dialogs.ChangeViewDialog
-import com.simplemobiletools.calendar.extensions.updateWidget
+import com.simplemobiletools.calendar.extensions.updateWidgets
 import com.simplemobiletools.calendar.fragments.EventListFragment
 import com.simplemobiletools.calendar.helpers.*
 import com.simplemobiletools.calendar.helpers.Formatter
@@ -39,7 +39,7 @@ class MainActivity : SimpleActivity(), EventListFragment.DeleteListener {
 
     override fun onResume() {
         super.onResume()
-        updateWidget()
+        updateWidgets()
     }
 
     override fun onPause() {

app/src/main/kotlin/com/simplemobiletools/calendar/adapters/EventListWidgetAdapter.kt

@@ -77,7 +77,6 @@ class EventListWidgetAdapter(val context: Context, val intent: Intent) : RemoteV
     override fun getViewTypeCount() = 2
 
     override fun onCreate() {
-
     }
 
     override fun getItemId(position: Int) = position.toLong()

app/src/main/kotlin/com/simplemobiletools/calendar/extensions/Context.kt

@@ -12,17 +12,30 @@ import com.simplemobiletools.calendar.helpers.*
 import com.simplemobiletools.calendar.models.Event
 import com.simplemobiletools.calendar.receivers.NotificationReceiver
 
-fun Context.updateWidget() {
+fun Context.updateWidgets() {
     val widgetsCnt = AppWidgetManager.getInstance(this).getAppWidgetIds(ComponentName(this, MyWidgetMonthlyProvider::class.java))
-    if (widgetsCnt.isEmpty())
+    if (widgetsCnt.isNotEmpty()) {
-        return
-
         val ids = intArrayOf(R.xml.widget_monthly_info)
         Intent(this, MyWidgetMonthlyProvider::class.java).apply {
             action = AppWidgetManager.ACTION_APPWIDGET_UPDATE
             putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, ids)
             sendBroadcast(this)
         }
+    }
+
+    updateListWidget()
+}
+
+fun Context.updateListWidget() {
+    val widgetsCnt = AppWidgetManager.getInstance(this).getAppWidgetIds(ComponentName(this, MyWidgetListProvider::class.java))
+    if (widgetsCnt.isNotEmpty()) {
+        val ids = intArrayOf(R.xml.widget_list_info)
+        Intent(this, MyWidgetListProvider::class.java).apply {
+            action = AppWidgetManager.ACTION_APPWIDGET_UPDATE
+            putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, ids)
+            sendBroadcast(this)
+        }
+    }
 }
 
 fun Context.scheduleNextEvent(event: Event) {

app/src/main/kotlin/com/simplemobiletools/calendar/helpers/DBHelper.kt

@@ -9,7 +9,7 @@ import android.database.sqlite.SQLiteQueryBuilder
 import android.text.TextUtils
 import com.simplemobiletools.calendar.extensions.getIntValue
 import com.simplemobiletools.calendar.extensions.getStringValue
-import com.simplemobiletools.calendar.extensions.updateWidget
+import com.simplemobiletools.calendar.extensions.updateWidgets
 import com.simplemobiletools.calendar.models.Event
 import org.joda.time.DateTime
 import java.util.*
@@ -79,7 +79,7 @@ class DBHelper(context: Context) : SQLiteOpenHelper(context, DB_NAME, null, DB_V
             mDb.insert(META_TABLE_NAME, null, metaValues)
         }
 
-        context?.updateWidget()
+        context?.updateWidgets()
         mEventsListener?.eventInserted(event)
     }
 
@@ -97,7 +97,7 @@ class DBHelper(context: Context) : SQLiteOpenHelper(context, DB_NAME, null, DB_V
             mDb.insertWithOnConflict(META_TABLE_NAME, null, metaValues, SQLiteDatabase.CONFLICT_REPLACE)
         }
 
-        context?.updateWidget()
+        context?.updateWidgets()
         mEventsListener?.eventUpdated(event)
     }
 
@@ -138,7 +138,7 @@ class DBHelper(context: Context) : SQLiteOpenHelper(context, DB_NAME, null, DB_V
         val metaSelection = "$COL_EVENT_ID IN ($args)"
         mDb.delete(META_TABLE_NAME, metaSelection, null)
 
-        context?.updateWidget()
+        context?.updateWidgets()
         mEventsListener?.eventsDeleted(ids.size)
     }
 

app/src/main/kotlin/com/simplemobiletools/calendar/helpers/MyWidgetListProvider.kt

@@ -15,7 +15,6 @@ import com.simplemobiletools.calendar.activities.EventActivity
 import com.simplemobiletools.calendar.extensions.adjustAlpha
 import com.simplemobiletools.calendar.services.WidgetService
 
-
 class MyWidgetListProvider : AppWidgetProvider() {
     companion object {
         private var mTextColor = 0
@@ -48,16 +47,18 @@ class MyWidgetListProvider : AppWidgetProvider() {
         val bgColor = prefs.getInt(WIDGET_BG_COLOR, Color.BLACK)
         mRemoteViews.setInt(R.id.widget_event_list, "setBackgroundColor", bgColor)
 
-        val intent = Intent(context, WidgetService::class.java)
+        Intent(context, WidgetService::class.java).apply {
-        intent.data = Uri.parse(intent.toUri(Intent.URI_INTENT_SCHEME))
+            data = Uri.parse(this.toUri(Intent.URI_INTENT_SCHEME))
-        mRemoteViews.setRemoteAdapter(R.id.widget_event_list, intent)
+            mRemoteViews.setRemoteAdapter(R.id.widget_event_list, this)
+        }
 
         val startActivityIntent = Intent(context, EventActivity::class.java)
         val startActivityPendingIntent = PendingIntent.getActivity(context, 0, startActivityIntent, PendingIntent.FLAG_UPDATE_CURRENT)
         mRemoteViews.setPendingIntentTemplate(R.id.widget_event_list, startActivityPendingIntent)
 
-        val thisWidget = ComponentName(mContext, MyWidgetListProvider::class.java)
+        val appWidgetIds = mWidgetManager.getAppWidgetIds(ComponentName(context, MyWidgetListProvider::class.java))
-        mWidgetManager.updateAppWidget(thisWidget, mRemoteViews)
+        mWidgetManager.updateAppWidget(appWidgetIds, mRemoteViews)
+        mWidgetManager.notifyAppWidgetViewDataChanged(appWidgetIds, R.id.widget_event_list)
     }
 
     private fun initPrefs(context: Context) = context.getSharedPreferences(PREFS_KEY, Context.MODE_PRIVATE)

app/src/main/kotlin/com/simplemobiletools/calendar/receivers/NotificationReceiver.kt

@@ -10,6 +10,7 @@ import android.media.RingtoneManager
 import com.simplemobiletools.calendar.R
 import com.simplemobiletools.calendar.activities.EventActivity
 import com.simplemobiletools.calendar.extensions.scheduleNextEvent
+import com.simplemobiletools.calendar.extensions.updateListWidget
 import com.simplemobiletools.calendar.helpers.Config
 import com.simplemobiletools.calendar.helpers.DBHelper
 import com.simplemobiletools.calendar.helpers.EVENT_ID
@@ -18,6 +19,7 @@ import com.simplemobiletools.calendar.models.Event
 
 class NotificationReceiver : BroadcastReceiver() {
     override fun onReceive(context: Context, intent: Intent) {
+        context.updateListWidget()
         val notificationManager = context.getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
         val id = intent.getIntExtra(EVENT_ID, -1)
         if (id == -1)

app/src/main/res/xml/widget_list_info.xml

@@ -6,4 +6,4 @@
                     android:minWidth="@dimen/min_widget_width"
                     android:previewImage="@mipmap/widget_preview"
                     android:resizeMode="horizontal|vertical"
-                    android:updatePeriodMillis="150000"/>
+                    android:updatePeriodMillis="600000"/>