Added contact export as vCard from contacts list

app/src/main/java/org/linphone/ui/main/contacts/fragment/ContactFragment.kt

@@ -93,6 +93,7 @@ class ContactFragment : GenericFragment() {
         }
 
         binding.setShareClickListener {
+            Log.i("$TAG Sharing friend, exporting it as vCard file first")
             viewModel.exportContactAsVCard()
         }
 
@@ -173,9 +174,13 @@ class ContactFragment : GenericFragment() {
         }
 
         viewModel.vCardTerminatedEvent.observe(viewLifecycleOwner) {
-            it.consume { file ->
-                Log.i("$TAG Friend was exported as vCard file [${file.absolutePath}]")
-                shareContact(file)
+            it.consume { pair ->
+                val contactName = pair.first
+                val file = pair.second
+                Log.i(
+                    "$TAG Friend [$contactName] was exported as vCard file [${file.absolutePath}], sharing it"
+                )
+                shareContact(contactName, file)
             }
         }
 
@@ -203,7 +208,7 @@ class ContactFragment : GenericFragment() {
         )
     }
 
-    private fun shareContact(file: File) {
+    private fun shareContact(name: String, file: File) {
         val publicUri = FileProvider.getUriForFile(
             requireContext(),
             requireContext().getString(R.string.file_provider),
@@ -214,7 +219,7 @@ class ContactFragment : GenericFragment() {
         val sendIntent: Intent = Intent().apply {
             action = Intent.ACTION_SEND
             putExtra(Intent.EXTRA_STREAM, publicUri)
-            putExtra(Intent.EXTRA_SUBJECT, viewModel.contact.value?.friend?.name)
+            putExtra(Intent.EXTRA_SUBJECT, name)
             type = ContactsContract.Contacts.CONTENT_VCARD_TYPE
         }
 

app/src/main/java/org/linphone/ui/main/contacts/fragment/ContactsListFragment.kt

@@ -19,17 +19,21 @@
  */
 package org.linphone.ui.main.contacts.fragment
 
+import android.content.Intent
 import android.os.Bundle
+import android.provider.ContactsContract
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.view.animation.Animation
 import android.view.animation.AnimationUtils
 import androidx.annotation.UiThread
+import androidx.core.content.FileProvider
 import androidx.core.view.doOnPreDraw
 import androidx.navigation.fragment.findNavController
 import androidx.navigation.navGraphViewModels
 import androidx.recyclerview.widget.LinearLayoutManager
+import java.io.File
 import org.linphone.LinphoneApplication.Companion.coreContext
 import org.linphone.R
 import org.linphone.core.tools.Log
@@ -115,6 +119,17 @@ class ContactsListFragment : GenericFragment() {
             Log.i("$TAG Favourites contacts list is ready with [${it.size}] items")
         }
 
+        listViewModel.vCardTerminatedEvent.observe(viewLifecycleOwner) {
+            it.consume { pair ->
+                val contactName = pair.first
+                val file = pair.second
+                Log.i(
+                    "$TAG Friend [$contactName] was exported as vCard file [${file.absolutePath}], sharing it"
+                )
+                shareContact(contactName, file)
+            }
+        }
+
         sharedViewModel.searchFilter.observe(viewLifecycleOwner) {
             it.consume { filter ->
                 listViewModel.applyFilter(filter)
@@ -130,7 +145,7 @@ class ContactsListFragment : GenericFragment() {
         adapter.contactLongClickedEvent.observe(viewLifecycleOwner) {
             it.consume { model ->
                 val modalBottomSheet = ContactsListMenuDialogFragment(
-                    model.friend.starred,
+                    model.starred,
                     { // onDismiss
                         adapter.resetSelection()
                     },
@@ -147,8 +162,10 @@ class ContactsListFragment : GenericFragment() {
                         }
                     },
                     { // onShare
-                        Log.i("$TAG Sharing friend [${model.name.value}]")
-                        // TODO
+                        Log.i(
+                            "$TAG Sharing friend [${model.name.value}], exporting it as vCard file first"
+                        )
+                        listViewModel.exportContactAsVCard(model.friend)
                     },
                     { // onDelete
                         coreContext.postOnCoreThread {
@@ -168,4 +185,23 @@ class ContactsListFragment : GenericFragment() {
             }
         }
     }
+
+    private fun shareContact(name: String, file: File) {
+        val publicUri = FileProvider.getUriForFile(
+            requireContext(),
+            requireContext().getString(R.string.file_provider),
+            file
+        )
+        Log.i("$TAG Public URI for vCard file is [$publicUri], starting intent chooser")
+
+        val sendIntent: Intent = Intent().apply {
+            action = Intent.ACTION_SEND
+            putExtra(Intent.EXTRA_STREAM, publicUri)
+            putExtra(Intent.EXTRA_SUBJECT, name)
+            type = ContactsContract.Contacts.CONTENT_VCARD_TYPE
+        }
+
+        val shareIntent = Intent.createChooser(sendIntent, null)
+        startActivity(shareIntent)
+    }
 }

app/src/main/java/org/linphone/ui/main/contacts/model/ContactAvatarModel.kt

@@ -37,6 +37,8 @@ class ContactAvatarModel @WorkerThread constructor(val friend: Friend) {
 
     val id = friend.refKey
 
+    val starred = friend.starred
+
     val avatar = MutableLiveData<Uri>()
 
     val initials = LinphoneUtils.getInitials(friend.name.orEmpty())

app/src/main/java/org/linphone/ui/main/contacts/viewmodel/ContactViewModel.kt

@@ -80,8 +80,8 @@ class ContactViewModel @UiThread constructor() : ViewModel() {
         MutableLiveData<Event<String>>()
     }
 
-    val vCardTerminatedEvent: MutableLiveData<Event<File>> by lazy {
-        MutableLiveData<Event<File>>()
+    val vCardTerminatedEvent: MutableLiveData<Event<Pair<String, File>>> by lazy {
+        MutableLiveData<Event<Pair<String, File>>>()
     }
 
     val displayTrustProcessDialogEvent: MutableLiveData<Event<Boolean>> by lazy {
@@ -287,11 +287,14 @@ class ContactViewModel @UiThread constructor() : ViewModel() {
                     val fileName = friend.name.orEmpty().replace(" ", "_").toLowerCase(
                         Locale.getDefault()
                     )
-                    val file = FileUtils.getFileStorageCacheDir("$fileName.vcf")
+                    val file = FileUtils.getFileStorageCacheDir(
+                        "$fileName.vcf",
+                        overrideExisting = true
+                    )
                     viewModelScope.launch {
                         if (FileUtils.dumpStringToFile(vCard, file)) {
                             Log.i("$TAG vCard string saved as file in cache folder")
-                            vCardTerminatedEvent.postValue(Event(file))
+                            vCardTerminatedEvent.postValue(Event(Pair(friend.name.orEmpty(), file)))
                         } else {
                             Log.e("$TAG Failed to save vCard string as file in cache folder")
                         }

app/src/main/java/org/linphone/ui/main/contacts/viewmodel/ContactsListViewModel.kt

@@ -23,7 +23,11 @@ import androidx.annotation.UiThread
 import androidx.annotation.WorkerThread
 import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import java.io.File
 import java.util.ArrayList
+import java.util.Locale
+import kotlinx.coroutines.launch
 import org.linphone.LinphoneApplication.Companion.coreContext
 import org.linphone.LinphoneApplication.Companion.corePreferences
 import org.linphone.contacts.ContactsListener
@@ -34,6 +38,8 @@ import org.linphone.core.SearchResult
 import org.linphone.core.tools.Log
 import org.linphone.ui.main.contacts.model.ContactAvatarModel
 import org.linphone.ui.main.model.isInSecureMode
+import org.linphone.utils.Event
+import org.linphone.utils.FileUtils
 
 class ContactsListViewModel @UiThread constructor() : ViewModel() {
     companion object {
@@ -48,6 +54,10 @@ class ContactsListViewModel @UiThread constructor() : ViewModel() {
 
     val isListFiltered = MutableLiveData<Boolean>()
 
+    val vCardTerminatedEvent: MutableLiveData<Event<Pair<String, File>>> by lazy {
+        MutableLiveData<Event<Pair<String, File>>>()
+    }
+
     private var currentFilter = ""
     private var previousFilter = "NotSet"
     private var limitSearchToLinphoneAccounts = true
@@ -160,6 +170,33 @@ class ContactsListViewModel @UiThread constructor() : ViewModel() {
         }
     }
 
+    @UiThread
+    fun exportContactAsVCard(friend: Friend) {
+        coreContext.postOnCoreThread {
+            val vCard = friend.vcard?.asVcard4String()
+            if (!vCard.isNullOrEmpty()) {
+                Log.i("$TAG Friend has been successfully dumped as vCard string")
+                val fileName = friend.name.orEmpty().replace(" ", "_").toLowerCase(
+                    Locale.getDefault()
+                )
+                val file = FileUtils.getFileStorageCacheDir(
+                    "$fileName.vcf",
+                    overrideExisting = true
+                )
+                viewModelScope.launch {
+                    if (FileUtils.dumpStringToFile(vCard, file)) {
+                        Log.i("$TAG vCard string saved as file in cache folder")
+                        vCardTerminatedEvent.postValue(Event(Pair(friend.name.orEmpty(), file)))
+                    } else {
+                        Log.e("$TAG Failed to save vCard string as file in cache folder")
+                    }
+                }
+            } else {
+                Log.e("$TAG Failed to dump contact as vCard string")
+            }
+        }
+    }
+
     @WorkerThread
     private fun applyFilter(
         filter: String,

app/src/main/java/org/linphone/utils/LinphoneUtils.kt

@@ -39,6 +39,8 @@ import org.linphone.core.tools.Log
 
 class LinphoneUtils {
     companion object {
+        private const val TAG = "[App Utils]"
+
         @AnyThread
         fun getFirstLetter(displayName: String): String {
             return getInitials(displayName, 1)
@@ -62,7 +64,7 @@ class LinphoneUtils {
                         ) {
                             val glyph = emoji.process(split[i])
                             if (characters > 0) { // Limit initial to 1 emoji only
-                                Log.d("[App Utils] We limit initials to one emoji only")
+                                Log.d("$TAG We limit initials to one emoji only")
                                 initials = ""
                             }
                             initials += glyph
@@ -71,7 +73,7 @@ class LinphoneUtils {
                             initials += split[i][0]
                         }
                     } catch (ise: IllegalStateException) {
-                        Log.e("[App Utils] Can't call hasEmojiGlyph: $ise")
+                        Log.e("$TAG Can't call hasEmojiGlyph: $ise")
                         initials += split[i][0]
                     }