allow sharing multiple handpicked contacts at once

app/src/main/kotlin/com/simplemobiletools/contacts/activities/ContactActivity.kt

@@ -312,7 +312,7 @@ class ContactActivity : SimpleActivity() {
     }
 
     private fun shareContact() {
-        shareContact(contact!!)
+        shareContacts(arrayListOf(contact!!))
     }
 
     private fun showPhotoPlaceholder() {

app/src/main/kotlin/com/simplemobiletools/contacts/adapters/ContactsAdapter.kt

@@ -19,6 +19,7 @@ import com.simplemobiletools.contacts.R
 import com.simplemobiletools.contacts.activities.SimpleActivity
 import com.simplemobiletools.contacts.extensions.config
 import com.simplemobiletools.contacts.extensions.openContact
+import com.simplemobiletools.contacts.extensions.shareContacts
 import com.simplemobiletools.contacts.helpers.ContactsHelper
 import com.simplemobiletools.contacts.interfaces.RefreshContactsListener
 import com.simplemobiletools.contacts.models.Contact
@@ -62,9 +63,10 @@ class ContactsAdapter(activity: SimpleActivity, var contactItems: MutableList<Co
         when (id) {
             R.id.cab_edit -> editContact()
             R.id.cab_select_all -> selectAll()
-            R.id.cab_delete -> askConfirmDelete()
             R.id.cab_add_to_favorites -> addToFavorites()
+            R.id.cab_share -> shareContacts()
             R.id.cab_remove -> removeFavorites()
+            R.id.cab_delete -> askConfirmDelete()
         }
     }
 
@@ -161,6 +163,19 @@ class ContactsAdapter(activity: SimpleActivity, var contactItems: MutableList<Co
         finishActMode()
     }
 
+    private fun shareContacts() {
+        if (selectedPositions.isEmpty()) {
+            return
+        }
+
+        val contacts = ArrayList<Contact>()
+        selectedPositions.forEach {
+            contacts.add(contactItems[it])
+        }
+
+        activity.shareContacts(contacts)
+    }
+
     override fun onViewRecycled(holder: ViewHolder?) {
         super.onViewRecycled(holder)
         if (!activity.isActivityDestroyed()) {

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

@@ -68,14 +68,14 @@ fun SimpleActivity.showContactSourcePicker(currentSource: String, callback: (new
     }
 }
 
-fun BaseSimpleActivity.shareContact(contact: Contact) {
+fun BaseSimpleActivity.shareContacts(contacts: ArrayList<Contact>) {
     val file = getTempFile()
     if (file == null) {
         toast(R.string.unknown_error_occurred)
         return
     }
 
-    VcfExporter().exportContacts(this, file, arrayListOf(contact)) {
+    VcfExporter().exportContacts(this, file, contacts) {
         if (it == VcfExporter.ExportResult.EXPORT_OK) {
             val uri = getFilePublicUri(file, BuildConfig.APPLICATION_ID)
             shareUri(uri, BuildConfig.APPLICATION_ID)

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

@@ -16,6 +16,11 @@
         android:icon="@drawable/ic_star_on"
         android:title="@string/add_to_favorites"
         app:showAsAction="ifRoom"/>
+    <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"