allow sharing a contact via creating a vcf file

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

@@ -87,6 +87,35 @@ class ContactActivity : SimpleActivity() {
         }
     }
 
+    override fun onCreateOptionsMenu(menu: Menu): Boolean {
+        menuInflater.inflate(R.menu.menu_contact, menu)
+        if (wasActivityInitialized) {
+            menu.findItem(R.id.delete).isVisible = contact?.id != 0
+            menu.findItem(R.id.share).isVisible = contact?.id != 0
+        }
+        return true
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        when (item.itemId) {
+            R.id.save -> saveContact()
+            R.id.delete -> deleteContact()
+            R.id.share -> shareContact()
+            else -> return super.onOptionsItemSelected(item)
+        }
+        return true
+    }
+
+    override fun onActivityResult(requestCode: Int, resultCode: Int, resultData: Intent?) {
+        super.onActivityResult(requestCode, resultCode, resultData)
+        if (resultCode == RESULT_OK) {
+            when (requestCode) {
+                INTENT_TAKE_PHOTO, INTENT_CHOOSE_PHOTO -> startCropPhotoIntent(lastPhotoIntentUri!!)
+                INTENT_CROP_PHOTO -> updateContactPhoto(lastPhotoIntentUri.toString())
+            }
+        }
+    }
+
     private fun initContact() {
         var contactId = intent.getIntExtra(CONTACT_ID, 0)
         val action = intent.action
@@ -173,33 +202,6 @@ class ContactActivity : SimpleActivity() {
         invalidateOptionsMenu()
     }
 
-    override fun onCreateOptionsMenu(menu: Menu): Boolean {
-        menuInflater.inflate(R.menu.menu_contact, menu)
-        if (wasActivityInitialized) {
-            menu.findItem(R.id.delete).isVisible = contact?.id != 0
-        }
-        return true
-    }
-
-    override fun onOptionsItemSelected(item: MenuItem): Boolean {
-        when (item.itemId) {
-            R.id.save -> saveContact()
-            R.id.delete -> deleteContact()
-            else -> return super.onOptionsItemSelected(item)
-        }
-        return true
-    }
-
-    override fun onActivityResult(requestCode: Int, resultCode: Int, resultData: Intent?) {
-        super.onActivityResult(requestCode, resultCode, resultData)
-        if (resultCode == RESULT_OK) {
-            when (requestCode) {
-                INTENT_TAKE_PHOTO, INTENT_CHOOSE_PHOTO -> startCropPhotoIntent(lastPhotoIntentUri!!)
-                INTENT_CROP_PHOTO -> updateContactPhoto(lastPhotoIntentUri.toString())
-            }
-        }
-    }
-
     private fun startCropPhotoIntent(uri: Uri) {
         lastPhotoIntentUri = getCachePhotoUri()
         Intent("com.android.camera.action.CROP").apply {
@@ -309,6 +311,10 @@ class ContactActivity : SimpleActivity() {
         }
     }
 
+    private fun shareContact() {
+        shareContact(contact!!)
+    }
+
     private fun showPhotoPlaceholder() {
         val placeholder = resources.getColoredBitmap(R.drawable.ic_person, config.primaryColor.getContrastColor())
         val padding = resources.getDimension(R.dimen.activity_margin).toInt()

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

@@ -5,11 +5,15 @@ import android.net.Uri
 import com.simplemobiletools.commons.R
 import com.simplemobiletools.commons.activities.BaseSimpleActivity
 import com.simplemobiletools.commons.dialogs.RadioGroupDialog
+import com.simplemobiletools.commons.extensions.getFilePublicUri
+import com.simplemobiletools.commons.extensions.shareUri
 import com.simplemobiletools.commons.extensions.toast
 import com.simplemobiletools.commons.helpers.PERMISSION_CALL_PHONE
 import com.simplemobiletools.commons.models.RadioItem
+import com.simplemobiletools.contacts.BuildConfig
 import com.simplemobiletools.contacts.activities.SimpleActivity
 import com.simplemobiletools.contacts.helpers.ContactsHelper
+import com.simplemobiletools.contacts.helpers.VcfExporter
 import com.simplemobiletools.contacts.models.Contact
 import java.io.File
 
@@ -64,6 +68,21 @@ fun SimpleActivity.showContactSourcePicker(currentSource: String, callback: (new
     }
 }
 
+fun BaseSimpleActivity.shareContact(contact: Contact) {
+    val file = getTempFile()
+    if (file == null) {
+        toast(R.string.unknown_error_occurred)
+        return
+    }
+
+    VcfExporter().exportContacts(this, file, arrayListOf(contact)) {
+        if (it == VcfExporter.ExportResult.EXPORT_OK) {
+            val uri = getFilePublicUri(file, BuildConfig.APPLICATION_ID)
+            shareUri(uri, BuildConfig.APPLICATION_ID)
+        }
+    }
+}
+
 fun BaseSimpleActivity.getTempFile(): File? {
     val folder = File(cacheDir, "contacts")
     if (!folder.exists()) {

app/src/main/kotlin/com/simplemobiletools/contacts/helpers/VcfExporter.kt

@@ -48,7 +48,7 @@ class VcfExporter {
 
                     contact.events.forEach {
                         if (it.type == CommonDataKinds.Event.TYPE_BIRTHDAY) {
-                            out.writeLn("$BDAY:${it.value}")
+                            out.writeLn("$BDAY${it.value}")
                         }
                     }
 

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

@@ -11,4 +11,9 @@
         android:icon="@drawable/ic_delete"
         android:title="@string/delete"
         app:showAsAction="ifRoom"/>
+    <item
+        android:id="@+id/share"
+        android:icon="@drawable/ic_share"
+        android:title="@string/share"
+        app:showAsAction="ifRoom"/>
 </menu>