require the permission to post notifications in some scenarios on Android 13+

app/build.gradle

@@ -70,7 +70,7 @@ android {
 }
 
 dependencies {
-    implementation 'com.github.SimpleMobileTools:Simple-Commons:b2a2c40a27'
+    implementation 'com.github.SimpleMobileTools:Simple-Commons:15c753bd01'
     implementation 'androidx.multidex:multidex:2.0.1'
     implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
     implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.1.0'

app/src/main/AndroidManifest.xml

@@ -11,6 +11,7 @@
     <uses-permission android:name="android.permission.WRITE_CALENDAR" />
     <uses-permission android:name="android.permission.WAKE_LOCK" />
     <uses-permission android:name="android.permission.SCHEDULE_EXACT_ALARM" />
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
 
     <uses-permission
         android:name="android.permission.WRITE_EXTERNAL_STORAGE"

app/src/main/kotlin/com/simplemobiletools/calendar/pro/activities/EventActivity.kt

@@ -559,16 +559,6 @@ class EventActivity : SimpleActivity() {
         }
     }
 
-    private fun handleNotificationAvailability(callback: () -> Unit) {
-        if (NotificationManagerCompat.from(this).areNotificationsEnabled()) {
-            callback()
-        } else {
-            ConfirmationDialog(this, messageId = R.string.notifications_disabled, positive = R.string.ok, negative = 0) {
-                callback()
-            }
-        }
-    }
-
     private fun showReminder1Dialog() {
         showPickSecondsDialogHelper(mReminder1Minutes, showDuringDayOption = mIsAllDayEvent) {
             mReminder1Minutes = if (it == -1 || it == 0) it else it / 60

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

@@ -1065,6 +1065,8 @@ class MainActivity : SimpleActivity(), RefreshRecyclerViewListener {
 
     private fun tryImportEvents() {
         if (isQPlus()) {
+            handleNotificationPermission { granted ->
+                if (granted) {
                     hideKeyboard()
                     Intent(Intent.ACTION_GET_CONTENT).apply {
                         addCategory(Intent.CATEGORY_OPENABLE)
@@ -1078,6 +1080,10 @@ class MainActivity : SimpleActivity(), RefreshRecyclerViewListener {
                             showErrorToast(e)
                         }
                     }
+                } else {
+                    toast(R.string.no_post_notifications_permissions)
+                }
+            }
         } else {
             handlePermission(PERMISSION_READ_STORAGE) {
                 if (it) {

app/src/main/kotlin/com/simplemobiletools/calendar/pro/activities/SettingsActivity.kt

@@ -250,6 +250,8 @@ class SettingsActivity : SimpleActivity() {
                     if (it) {
                         handlePermission(PERMISSION_READ_CALENDAR) {
                             if (it) {
+                                handleNotificationPermission { granted ->
+                                    if (granted) {
                                         toggleCaldavSync(true)
                                     }
                                 }
@@ -258,6 +260,8 @@ class SettingsActivity : SimpleActivity() {
                     }
                 }
             }
+        }
+    }
 
     private fun setupPullToRefresh() {
         settings_caldav_pull_to_refresh_holder.beVisibleIf(config.caldavSync)

app/src/main/kotlin/com/simplemobiletools/calendar/pro/activities/SimpleActivity.kt

@@ -4,10 +4,13 @@ import android.content.Context
 import android.database.ContentObserver
 import android.os.Handler
 import android.provider.CalendarContract
+import androidx.core.app.NotificationManagerCompat
 import com.simplemobiletools.calendar.pro.R
 import com.simplemobiletools.calendar.pro.extensions.config
 import com.simplemobiletools.calendar.pro.extensions.refreshCalDAVCalendars
 import com.simplemobiletools.commons.activities.BaseSimpleActivity
+import com.simplemobiletools.commons.dialogs.ConfirmationDialog
+import com.simplemobiletools.commons.extensions.toast
 import com.simplemobiletools.commons.helpers.ensureBackgroundThread
 
 open class SimpleActivity : BaseSimpleActivity() {
@@ -69,4 +72,20 @@ open class SimpleActivity : BaseSimpleActivity() {
     private fun unregisterObserver() {
         contentResolver.unregisterContentObserver(calDAVSyncObserver)
     }
+
+    protected fun handleNotificationAvailability(callback: () -> Unit) {
+        handleNotificationPermission { granted ->
+            if (granted) {
+                if (NotificationManagerCompat.from(this).areNotificationsEnabled()) {
+                    callback()
+                } else {
+                    ConfirmationDialog(this, messageId = R.string.notifications_disabled, positive = R.string.ok, negative = 0) {
+                        callback()
+                    }
+                }
+            } else {
+                toast(R.string.no_post_notifications_permissions)
+            }
+        }
+    }
 }

app/src/main/kotlin/com/simplemobiletools/calendar/pro/activities/TaskActivity.kt

@@ -656,16 +656,6 @@ class TaskActivity : SimpleActivity() {
         }
     }
 
-    private fun handleNotificationAvailability(callback: () -> Unit) {
-        if (NotificationManagerCompat.from(this).areNotificationsEnabled()) {
-            callback()
-        } else {
-            ConfirmationDialog(this, messageId = R.string.notifications_disabled, positive = R.string.ok, negative = 0) {
-                callback()
-            }
-        }
-    }
-
     private fun showReminder1Dialog() {
         showPickSecondsDialogHelper(mReminder1Minutes) {
             mReminder1Minutes = if (it == -1 || it == 0) it else it / 60

app/src/main/kotlin/com/simplemobiletools/calendar/pro/dialogs/SetRemindersDialog.kt

@@ -1,8 +1,8 @@
 package com.simplemobiletools.calendar.pro.dialogs
 
-import android.app.Activity
 import android.view.View
 import com.simplemobiletools.calendar.pro.R
+import com.simplemobiletools.calendar.pro.activities.SimpleActivity
 import com.simplemobiletools.calendar.pro.extensions.config
 import com.simplemobiletools.calendar.pro.helpers.ANNIVERSARY_EVENT
 import com.simplemobiletools.calendar.pro.helpers.BIRTHDAY_EVENT
@@ -11,7 +11,7 @@ import com.simplemobiletools.calendar.pro.helpers.REMINDER_OFF
 import com.simplemobiletools.commons.extensions.*
 import kotlinx.android.synthetic.main.dialog_set_reminders.view.*
 
-class SetRemindersDialog(val activity: Activity, val eventType: Int, val callback: (reminders: ArrayList<Int>) -> Unit) {
+class SetRemindersDialog(val activity: SimpleActivity, val eventType: Int, val callback: (reminders: ArrayList<Int>) -> Unit) {
     private var mReminder1Minutes = REMINDER_OFF
     private var mReminder2Minutes = REMINDER_OFF
     private var mReminder3Minutes = REMINDER_OFF
@@ -25,6 +25,8 @@ class SetRemindersDialog(val activity: Activity, val eventType: Int, val callbac
             set_reminders_3.text = activity.getFormattedMinutes(mReminder1Minutes)
 
             set_reminders_1.setOnClickListener {
+                activity.handleNotificationPermission { granted ->
+                    if (granted) {
                         activity.showPickSecondsDialogHelper(mReminder1Minutes, showDuringDayOption = true) {
                             mReminder1Minutes = if (it == -1 || it == 0) it else it / 60
                             set_reminders_1.text = activity.getFormattedMinutes(mReminder1Minutes)
@@ -32,6 +34,10 @@ class SetRemindersDialog(val activity: Activity, val eventType: Int, val callbac
                                 set_reminders_2.beVisible()
                             }
                         }
+                    } else {
+                        activity.toast(R.string.no_post_notifications_permissions)
+                    }
+                }
             }
 
             set_reminders_2.setOnClickListener {