add a share menu button to some screens

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

@@ -306,19 +306,25 @@ class EventActivity : SimpleActivity(), DBHelper.EventUpdateListener {
 
     override fun onCreateOptionsMenu(menu: Menu): Boolean {
         menuInflater.inflate(R.menu.menu_event, menu)
-        menu.findItem(R.id.cab_delete).isVisible = mEvent.id != 0
+        menu.findItem(R.id.delete).isVisible = mEvent.id != 0
+        menu.findItem(R.id.share).isVisible = mEvent.id != 0
         return true
     }
 
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
         when (item.itemId) {
-            R.id.cab_delete -> deleteEvent()
+            R.id.share -> shareEvent()
+            R.id.delete -> deleteEvent()
             R.id.save -> saveEvent()
             else -> return super.onOptionsItemSelected(item)
         }
         return true
     }
 
+    private fun shareEvent() {
+        shareEvents(arrayListOf(mEvent.id))
+    }
+
     private fun deleteEvent() {
         DeleteEventDialog(this, arrayListOf(mEvent.id)) {
             if (it) {

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

@@ -10,6 +10,7 @@ import com.simplemobiletools.calendar.R
 import com.simplemobiletools.calendar.activities.SimpleActivity
 import com.simplemobiletools.calendar.dialogs.DeleteEventDialog
 import com.simplemobiletools.calendar.extensions.config
+import com.simplemobiletools.calendar.extensions.shareEvents
 import com.simplemobiletools.calendar.helpers.Formatter
 import com.simplemobiletools.calendar.interfaces.DeleteEventsListener
 import com.simplemobiletools.calendar.models.Event
@@ -49,6 +50,7 @@ class DayEventsAdapter(val activity: SimpleActivity, val mItems: List<Event>, va
     val multiSelectorMode = object : ModalMultiSelectorCallback(multiSelector) {
         override fun onActionItemClicked(mode: ActionMode, item: MenuItem): Boolean {
             when (item.itemId) {
+                R.id.cab_share -> shareEvents()
                 R.id.cab_delete -> askConfirmDelete()
                 else -> return false
             }
@@ -71,6 +73,15 @@ class DayEventsAdapter(val activity: SimpleActivity, val mItems: List<Event>, va
         }
     }
 
+    private fun shareEvents() {
+        val selections = multiSelector.selectedPositions
+        val eventIds = ArrayList<Int>(selections.size)
+        selections.forEach {
+            eventIds.add(mItems[it].id)
+        }
+        activity.shareEvents(eventIds.distinct())
+    }
+
     private fun askConfirmDelete() {
         val selections = multiSelector.selectedPositions
         val eventIds = ArrayList<Int>(selections.size)

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

@@ -11,6 +11,7 @@ import com.simplemobiletools.calendar.R
 import com.simplemobiletools.calendar.activities.SimpleActivity
 import com.simplemobiletools.calendar.dialogs.DeleteEventDialog
 import com.simplemobiletools.calendar.extensions.config
+import com.simplemobiletools.calendar.extensions.shareEvents
 import com.simplemobiletools.calendar.helpers.Formatter
 import com.simplemobiletools.calendar.interfaces.DeleteEventsListener
 import com.simplemobiletools.calendar.models.ListEvent
@@ -65,6 +66,7 @@ class EventListAdapter(val activity: SimpleActivity, val mItems: List<ListItem>,
     val multiSelectorMode = object : ModalMultiSelectorCallback(multiSelector) {
         override fun onActionItemClicked(mode: ActionMode, item: MenuItem): Boolean {
             when (item.itemId) {
+                R.id.cab_share -> shareEvents()
                 R.id.cab_delete -> askConfirmDelete()
                 else -> return false
             }
@@ -87,6 +89,15 @@ class EventListAdapter(val activity: SimpleActivity, val mItems: List<ListItem>,
         }
     }
 
+    private fun shareEvents() {
+        val selections = multiSelector.selectedPositions
+        val eventIds = ArrayList<Int>(selections.size)
+        selections.forEach {
+            eventIds.add((mItems[it] as ListEvent).id)
+        }
+        activity.shareEvents(eventIds.distinct())
+    }
+
     private fun askConfirmDelete() {
         val selections = multiSelector.selectedPositions
         val eventIds = ArrayList<Int>(selections.size)

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

@@ -0,0 +1,7 @@
+package com.simplemobiletools.calendar.extensions
+
+import android.app.Activity
+
+fun Activity.shareEvents(ids: List<Int>) {
+
+}

app/src/main/res/menu/cab_day.xml

@@ -1,6 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
       xmlns:app="http://schemas.android.com/apk/res-auto">
+    <item
+        android:id="@+id/cab_share"
+        android:icon="@drawable/ic_share"
+        android:title="@string/share"
+        app:showAsAction="ifRoom"/>
     <item
         android:id="@+id/cab_delete"
         android:icon="@drawable/ic_delete"

app/src/main/res/menu/cab_event_list.xml

@@ -1,6 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
       xmlns:app="http://schemas.android.com/apk/res-auto">
+    <item
+        android:id="@+id/cab_share"
+        android:icon="@drawable/ic_share"
+        android:title="@string/share"
+        app:showAsAction="ifRoom"/>
     <item
         android:id="@+id/cab_delete"
         android:icon="@drawable/ic_delete"

app/src/main/res/menu/menu_event.xml

@@ -2,15 +2,18 @@
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
       xmlns:app="http://schemas.android.com/apk/res-auto">
     <item
-        android:id="@+id/cab_delete"
+        android:id="@+id/share"
+        android:icon="@drawable/ic_share"
+        android:title="@string/share"
+        app:showAsAction="ifRoom"/>
+    <item
+        android:id="@+id/delete"
         android:icon="@drawable/ic_delete"
         android:title="@string/delete"
         app:showAsAction="ifRoom"/>
-
     <item
         android:id="@+id/save"
         android:icon="@drawable/ic_check"
         android:title="@string/save"
         app:showAsAction="ifRoom"/>
-
 </menu>