From 91af472d3b2cec3072670cd9540488cb768553c9 Mon Sep 17 00:00:00 2001
From: Haafingar <simon@loki.network>
Date: Fri, 12 Jun 2020 14:37:21 +1000
Subject: [PATCH] Add 'add members' functionality and cleanup, refactor

---
 AndroidManifest.xml                           |   3 +
 res/layout/activity_select_contacts.xml       |  46 ++++++++
 res/menu/group_create.xml                     |  10 --
 ...u_edit_closed_group.xml => menu_apply.xml} |   5 +-
 ..._create_closed_group.xml => menu_done.xml} |   5 +-
 res/values/strings.xml                        |   7 +-
 .../securesms/GroupCreateActivity.java        |   8 +-
 .../activities/CreateClosedGroupActivity.kt   |   8 +-
 .../activities/EditClosedGroupActivity.kt     |  88 +++++----------
 .../loki/activities/EditClosedGroupLoader.kt  |  24 +----
 .../loki/activities/SelectContactsActivity.kt | 101 ++++++++++++++++++
 ...oupAdapter.kt => SelectContactsAdapter.kt} |   2 +-
 ...GroupLoader.kt => SelectContactsLoader.kt} |   2 +-
 13 files changed, 202 insertions(+), 107 deletions(-)
 create mode 100644 res/layout/activity_select_contacts.xml
 delete mode 100644 res/menu/group_create.xml
 rename res/menu/{menu_edit_closed_group.xml => menu_apply.xml} (62%)
 rename res/menu/{menu_create_closed_group.xml => menu_done.xml} (63%)
 create mode 100644 src/org/thoughtcrime/securesms/loki/activities/SelectContactsActivity.kt
 rename src/org/thoughtcrime/securesms/loki/activities/{CreateClosedGroupAdapter.kt => SelectContactsAdapter.kt} (92%)
 rename src/org/thoughtcrime/securesms/loki/activities/{CreateClosedGroupLoader.kt => SelectContactsLoader.kt} (87%)

diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 4ccde5b2d4..98df604a46 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -142,6 +142,9 @@
         <activity
             android:name="org.thoughtcrime.securesms.loki.activities.SeedActivity"
             android:screenOrientation="portrait" />
+        <activity
+            android:name="org.thoughtcrime.securesms.loki.activities.SelectContactsActivity"
+            android:screenOrientation="portrait" />
         <activity
             android:name="org.thoughtcrime.securesms.loki.activities.PrivacySettingsActivity"
             android:screenOrientation="portrait" />
diff --git a/res/layout/activity_select_contacts.xml b/res/layout/activity_select_contacts.xml
new file mode 100644
index 0000000000..e2604c048c
--- /dev/null
+++ b/res/layout/activity_select_contacts.xml
@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@drawable/default_session_background" >
+
+    <LinearLayout
+        android:id="@+id/mainContentContainer"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical">
+
+        <android.support.v7.widget.RecyclerView
+            android:id="@+id/recyclerView"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent" />
+
+    </LinearLayout>
+
+    <LinearLayout
+        android:id="@+id/emptyStateContainer"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:gravity="center_horizontal"
+        android:orientation="vertical"
+        android:layout_centerInParent="true">
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textSize="@dimen/medium_font_size"
+            android:textColor="@color/text"
+            android:text="@string/activity_create_closed_group_empty_state_message" />
+
+        <Button
+            style="@style/MediumProminentOutlineButton"
+            android:id="@+id/createNewPrivateChatButton"
+            android:layout_width="196dp"
+            android:layout_height="@dimen/medium_button_height"
+            android:layout_marginTop="@dimen/medium_spacing"
+            android:text="@string/activity_create_closed_group_empty_state_button_title" />
+
+    </LinearLayout>
+
+</RelativeLayout>
\ No newline at end of file
diff --git a/res/menu/group_create.xml b/res/menu/group_create.xml
deleted file mode 100644
index 7c1044c62d..0000000000
--- a/res/menu/group_create.xml
+++ /dev/null
@@ -1,10 +0,0 @@
-<?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:title="@string/GroupCreateActivity_menu_apply_button"
-          android:id="@+id/menu_create_group"
-          android:icon="?menu_accept_icon"
-          app:showAsAction="always|withText"/>
-
-</menu>
\ No newline at end of file
diff --git a/res/menu/menu_edit_closed_group.xml b/res/menu/menu_apply.xml
similarity index 62%
rename from res/menu/menu_edit_closed_group.xml
rename to res/menu/menu_apply.xml
index 1e8237e3af..9bddeb7fd1 100644
--- a/res/menu/menu_edit_closed_group.xml
+++ b/res/menu/menu_apply.xml
@@ -3,8 +3,9 @@
     xmlns:app="http://schemas.android.com/apk/res-auto">
 
     <item
-        android:title="@string/activity_edit_closed_group_apply_changes"
-        android:id="@+id/editClosedGroupButton"
+        android:title="@string/menu_apply_button"
+        android:id="@+id/applyButton"
+        android:icon="?menu_accept_icon"
         app:showAsAction="always" />
 
 </menu>
diff --git a/res/menu/menu_create_closed_group.xml b/res/menu/menu_done.xml
similarity index 63%
rename from res/menu/menu_create_closed_group.xml
rename to res/menu/menu_done.xml
index 75b41dcd68..9ee181de1e 100644
--- a/res/menu/menu_create_closed_group.xml
+++ b/res/menu/menu_done.xml
@@ -3,8 +3,9 @@
     xmlns:app="http://schemas.android.com/apk/res-auto">
 
     <item
-        android:title="Done"
-        android:id="@+id/createClosedGroupButton"
+        android:title="@string/menu_done_button"
+        android:id="@+id/doneButton"
+        android:icon="?menu_accept_icon"
         app:showAsAction="always" />
 
 </menu>
diff --git a/res/values/strings.xml b/res/values/strings.xml
index bc2001a3d6..e698ce54ee 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -1781,11 +1781,13 @@
     <string name="activity_edit_closed_group_invalid_session_id_error">One of the members of your group has an invalid Session ID</string>
     <string name="activity_edit_closed_group_confirm_removal">Are you sure you want to remove this user?</string>
     <string name="activity_edit_closed_group_member_removed">User removed from group</string>
-    <string name="activity_edit_closed_group_apply_changes">Apply</string>
+
 
     <string name="fragment_edit_group_bottom_sheet_remove">Remove user from group</string>
     <string name="fragment_edit_group_bottom_sheet_admin">Make this user a group admin</string>
 
+    <string name="activity_select_contacts_title">Select Contacts</string>
+
     <string name="activity_join_public_chat_title">Join Open Group</string>
     <string name="activity_join_public_chat_error">Couldn\'t join group</string>
     <string name="activity_join_public_chat_enter_group_url_tab_title">Open Group URL</string>
@@ -1878,4 +1880,7 @@
     <string name="fragment_contact_selection_closed_groups_title">Closed Groups</string>
     <string name="fragment_contact_selection_open_groups_title">Open Groups</string>
 
+    <string name="menu_apply_button">Apply</string>
+    <string name="menu_done_button">Done</string>
+
 </resources>
diff --git a/src/org/thoughtcrime/securesms/GroupCreateActivity.java b/src/org/thoughtcrime/securesms/GroupCreateActivity.java
index ede18c5061..17bba3300c 100644
--- a/src/org/thoughtcrime/securesms/GroupCreateActivity.java
+++ b/src/org/thoughtcrime/securesms/GroupCreateActivity.java
@@ -209,7 +209,7 @@ public class GroupCreateActivity extends PassphraseRequiredActionBarActivity
     MenuInflater inflater = this.getMenuInflater();
     menu.clear();
 
-    inflater.inflate(R.menu.group_create, menu);
+    inflater.inflate(R.menu.menu_apply, menu);
     super.onPrepareOptionsMenu(menu);
     return true;
   }
@@ -221,7 +221,7 @@ public class GroupCreateActivity extends PassphraseRequiredActionBarActivity
       case android.R.id.home:
         finish();
         return true;
-      case R.id.menu_create_group:
+      case R.id.applyButton:
         if (groupToUpdate.isPresent()) handleGroupUpdate();
         else                           handleGroupCreate();
         return true;
@@ -389,7 +389,7 @@ public class GroupCreateActivity extends PassphraseRequiredActionBarActivity
     protected void onPreExecute() {
       activity.findViewById(R.id.group_details_layout).setVisibility(View.GONE);
       activity.findViewById(R.id.creating_group_layout).setVisibility(View.VISIBLE);
-      activity.findViewById(R.id.menu_create_group).setVisibility(View.GONE);
+      activity.findViewById(R.id.applyButton).setVisibility(View.GONE);
         final int titleResId = activity.groupToUpdate.isPresent()
                              ? R.string.GroupCreateActivity_updating_group
                              : R.string.GroupCreateActivity_creating_group;
@@ -401,7 +401,7 @@ public class GroupCreateActivity extends PassphraseRequiredActionBarActivity
       if (activity.isFinishing()) return;
       activity.findViewById(R.id.group_details_layout).setVisibility(View.VISIBLE);
       activity.findViewById(R.id.creating_group_layout).setVisibility(View.GONE);
-      activity.findViewById(R.id.menu_create_group).setVisibility(View.VISIBLE);
+      activity.findViewById(R.id.applyButton).setVisibility(View.VISIBLE);
     }
   }
 
diff --git a/src/org/thoughtcrime/securesms/loki/activities/CreateClosedGroupActivity.kt b/src/org/thoughtcrime/securesms/loki/activities/CreateClosedGroupActivity.kt
index f0989dc29b..23a959047e 100644
--- a/src/org/thoughtcrime/securesms/loki/activities/CreateClosedGroupActivity.kt
+++ b/src/org/thoughtcrime/securesms/loki/activities/CreateClosedGroupActivity.kt
@@ -30,7 +30,7 @@ class CreateClosedGroupActivity : PassphraseRequiredActionBarActivity(), MemberC
         set(value) { field = value; createClosedGroupAdapter.members = value }
 
     private val createClosedGroupAdapter by lazy {
-        val result = CreateClosedGroupAdapter(this)
+        val result = SelectContactsAdapter(this)
         result.glide = GlideApp.with(this)
         result.memberClickListener = this
         result
@@ -55,14 +55,14 @@ class CreateClosedGroupActivity : PassphraseRequiredActionBarActivity(), MemberC
     }
 
     override fun onCreateOptionsMenu(menu: Menu?): Boolean {
-        menuInflater.inflate(R.menu.menu_create_closed_group, menu)
+        menuInflater.inflate(R.menu.menu_done, menu)
         return members.isNotEmpty()
     }
     // endregion
 
     // region Updating
     override fun onCreateLoader(id: Int, bundle: Bundle?): Loader<List<String>> {
-        return CreateClosedGroupLoader(this)
+        return SelectContactsLoader(this)
     }
 
     override fun onLoadFinished(loader: Loader<List<String>>, members: List<String>) {
@@ -85,7 +85,7 @@ class CreateClosedGroupActivity : PassphraseRequiredActionBarActivity(), MemberC
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
         val id = item.itemId
         when(id) {
-            R.id.createClosedGroupButton -> createClosedGroup()
+            R.id.doneButton -> createClosedGroup()
             else -> { /* Do nothing */ }
         }
         return super.onOptionsItemSelected(item)
diff --git a/src/org/thoughtcrime/securesms/loki/activities/EditClosedGroupActivity.kt b/src/org/thoughtcrime/securesms/loki/activities/EditClosedGroupActivity.kt
index 2e6574cef9..d10b8d00cb 100644
--- a/src/org/thoughtcrime/securesms/loki/activities/EditClosedGroupActivity.kt
+++ b/src/org/thoughtcrime/securesms/loki/activities/EditClosedGroupActivity.kt
@@ -2,8 +2,6 @@ package org.thoughtcrime.securesms.loki.activities
 
 import android.content.Context
 import android.content.Intent
-import android.graphics.Bitmap
-import android.os.AsyncTask
 import android.os.Bundle
 import android.support.v4.app.LoaderManager
 import android.support.v4.content.Loader
@@ -22,18 +20,13 @@ import kotlinx.android.synthetic.main.activity_linked_devices.recyclerView
 import kotlinx.android.synthetic.main.activity_settings.*
 import network.loki.messenger.R
 import org.thoughtcrime.securesms.PassphraseRequiredActionBarActivity
-import org.thoughtcrime.securesms.conversation.ConversationActivity
 import org.thoughtcrime.securesms.database.Address
 import org.thoughtcrime.securesms.database.DatabaseFactory
-import org.thoughtcrime.securesms.database.ThreadDatabase
 import org.thoughtcrime.securesms.groups.GroupManager
 import org.thoughtcrime.securesms.loki.dialogs.GroupEditingOptionsBottomSheet
 import org.thoughtcrime.securesms.mms.GlideApp
 import org.thoughtcrime.securesms.recipients.Recipient
-import org.thoughtcrime.securesms.util.TextSecurePreferences
-import org.whispersystems.libsignal.util.guava.Optional
 import org.whispersystems.signalservice.api.crypto.ProfileCipher
-import java.lang.ref.WeakReference
 
 class EditClosedGroupActivity : PassphraseRequiredActionBarActivity(), MemberClickListener, LoaderManager.LoaderCallbacks<List<String>> {
     private var members = listOf<String>()
@@ -42,8 +35,10 @@ class EditClosedGroupActivity : PassphraseRequiredActionBarActivity(), MemberCli
     private var membersToRemove = setOf<String>()
     private var membersToAdd = setOf<String>()
     private var admins = setOf<String>()
-    private var displayNameToBeUploaded: String? = null
     private val originalName by lazy { DatabaseFactory.getGroupDatabase(this).getGroup(groupID).get().title }
+    private var nameHasChanged = false
+    private lateinit var newGroupDisplayName: String
+
 
     private val editClosedGroupAdapter by lazy {
         val result = EditClosedGroupAdapter(this)
@@ -55,7 +50,6 @@ class EditClosedGroupActivity : PassphraseRequiredActionBarActivity(), MemberCli
         set(value) { field = value; handleIsEditingDisplayNameChanged() }
 
     companion object {
-        public val createNewPrivateChatResultCode = 100
         @JvmField
         public val GROUP_ID = "GROUP_ID"
     }
@@ -72,12 +66,12 @@ class EditClosedGroupActivity : PassphraseRequiredActionBarActivity(), MemberCli
         saveEditButton.setOnClickListener { saveDisplayName() }
         recyclerView.adapter = editClosedGroupAdapter
         recyclerView.layoutManager = LinearLayoutManager(this)
-        addMembersClosedGroupButton.setOnClickListener { createNewPrivateChat() }
+        addMembersClosedGroupButton.setOnClickListener { onAddMember() }
         LoaderManager.getInstance(this).initLoader(0, null, this)
     }
 
     override fun onCreateOptionsMenu(menu: Menu?): Boolean {
-        menuInflater.inflate(R.menu.menu_edit_closed_group, menu)
+        menuInflater.inflate(R.menu.menu_apply, menu)
         return members.isNotEmpty()
     }
     // endregion
@@ -107,16 +101,11 @@ class EditClosedGroupActivity : PassphraseRequiredActionBarActivity(), MemberCli
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
         val id = item.itemId
         when(id) {
-            R.id.editClosedGroupButton -> modifyClosedGroup()
-            else -> { /* Do nothing */ }
+            R.id.applyButton -> modifyClosedGroup()
         }
         return super.onOptionsItemSelected(item)
     }
 
-    private fun createNewPrivateChat() {
-        setResult(createNewPrivateChatResultCode)
-        finish()
-    }
     private fun showEditDisplayNameUI() {
         isEditingGroupName = true
     }
@@ -137,15 +126,21 @@ class EditClosedGroupActivity : PassphraseRequiredActionBarActivity(), MemberCli
         bottomSheet.show(supportFragmentManager, "closeBottomSheet")
     }
 
+    private fun onAddMember() {
+        val intent = Intent(this@EditClosedGroupActivity, SelectContactsActivity::class.java)
+        startActivityForResult(intent, 124)
+    }
 
-
-    private fun handleOpenConversation(threadId: Long, recipient: Recipient) {
-        val intent = Intent(this, ConversationActivity::class.java)
-        intent.putExtra(ConversationActivity.THREAD_ID_EXTRA, threadId)
-        intent.putExtra(ConversationActivity.DISTRIBUTION_TYPE_EXTRA, ThreadDatabase.DistributionTypes.DEFAULT)
-        intent.putExtra(ConversationActivity.ADDRESS_EXTRA, recipient.address)
-        startActivity(intent)
-        finish()
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        super.onActivityResult(requestCode, resultCode, data)
+        if (resultCode == RESULT_OK) {
+            if (data != null && data.hasExtra("Selected Contacts Result")) {
+                val returnedContacts = data.extras.getStringArray("Selected Contacts Result")
+                var selectedContacts = returnedContacts.toSet()
+                membersToAdd = selectedContacts + membersToAdd
+                members = members + membersToAdd
+            }
+        }
     }
 
     private fun handleIsEditingDisplayNameChanged() {
@@ -163,7 +158,8 @@ class EditClosedGroupActivity : PassphraseRequiredActionBarActivity(), MemberCli
     }
 
     private fun saveDisplayName() {
-        val groupDisplayName = displayNameEditText.text.toString().trim()
+        var groupDisplayName = displayNameEditText.text.toString().trim()
+        // something about the implementation of displayNameEdit text makes it null insead of whatever the user inputs, causes a crash
         if (groupDisplayName.isEmpty()) {
             return Toast.makeText(this, R.string.activity_settings_display_name_missing_error, Toast.LENGTH_SHORT).show()
         }
@@ -174,13 +170,16 @@ class EditClosedGroupActivity : PassphraseRequiredActionBarActivity(), MemberCli
             return Toast.makeText(this, R.string.activity_settings_display_name_too_long_error, Toast.LENGTH_SHORT).show()
         }
         isEditingGroupName = false
-        displayNameToBeUploaded = groupDisplayName
+        nameHasChanged = true
+        newGroupDisplayName = groupDisplayName
+
     }
+
     private fun modifyClosedGroup() {
-        if (originalName == displayNameToBeUploaded && membersToRemove.isEmpty() && membersToAdd.isEmpty()) { /* do nothing, close the activity and return to conversation */ } else {
+        if (!nameHasChanged && membersToRemove.isEmpty() && membersToAdd.isEmpty()) { finish() } else {
             var groupDisplayName = originalName
-            if (originalName != displayNameToBeUploaded) {
-                groupDisplayName = displayNameToBeUploaded.toString()
+            if (nameHasChanged) {
+                groupDisplayName = newGroupDisplayName
             }
             val finalGroupMembers = members.map {
                 Recipient.from(this, Address.fromSerialized(it), false)
@@ -192,33 +191,4 @@ class EditClosedGroupActivity : PassphraseRequiredActionBarActivity(), MemberCli
             finish()
         }
     }
-    // endregion
-
-    // region Tasks
-    internal class EditClosedGroupTask(
-            private val activity: WeakReference<EditClosedGroupActivity>,
-            private val groupID: String,
-            private val profilePicture: Bitmap?,
-            private val name: String?,
-            private val members: Set<Recipient>,
-            private val admins: Set<Recipient>
-    ) : AsyncTask<Void, Void, Optional<GroupManager.GroupActionResult>>() {
-
-        override fun doInBackground(vararg params: Void?): Optional<GroupManager.GroupActionResult> {
-            val activity = activity.get() ?: return Optional.absent()
-            return Optional.of(GroupManager.updateGroup(activity, groupID, members, profilePicture, name, admins))
-        }
-
-        override fun onPostExecute(result: Optional<GroupManager.GroupActionResult>) {
-            val activity = activity.get() ?: return super.onPostExecute(result)
-            if (result.isPresent && result.get().threadId > -1) {
-                if (!activity.isFinishing) {
-                    activity.handleOpenConversation(result.get().threadId, result.get().groupRecipient)
-                }
-            } else {
-                super.onPostExecute(result)
-                Toast.makeText(activity.applicationContext, R.string.activity_create_closed_group_invalid_session_id_error, Toast.LENGTH_LONG).show()
-            }
-        }
-    }
 }
\ No newline at end of file
diff --git a/src/org/thoughtcrime/securesms/loki/activities/EditClosedGroupLoader.kt b/src/org/thoughtcrime/securesms/loki/activities/EditClosedGroupLoader.kt
index 8b8bf276c2..59ef979994 100644
--- a/src/org/thoughtcrime/securesms/loki/activities/EditClosedGroupLoader.kt
+++ b/src/org/thoughtcrime/securesms/loki/activities/EditClosedGroupLoader.kt
@@ -12,28 +12,6 @@ class EditClosedGroupLoader(val groupID: String, context: Context) : AsyncLoader
         return members.map {
             it.address.toPhoneString()
         }
+        /* To do: Load admins in the process here */
     }
-
-/* For loading contacts for Add members, and loading admins from group list
-
-    override fun loadContactsInBackground(): List<String> {
-        val contacts = ContactUtilities.getAllContacts(context)
-        // Only show the master devices of the users we are friends with
-        return contacts.filter { contact ->
-            !contact.recipient.isGroupRecipient && contact.isFriend && !contact.isOurDevice && !contact.isSlave
-        }.map {
-            it.recipient.address.toPhoneString()
-        }
-    }
-    override fun loadAdminsInBackground(): List<String> {
-        val contacts = ContactUtilities.getAllContacts(context)
-        // Only show the master devices of the users we are friends with
-        return contacts.filter { contact ->
-            !contact.recipient.isGroupRecipient && contact.isFriend && !contact.isOurDevice && !contact.isSlave
-        }.map {
-            it.recipient.address.toPhoneString()
-        }
-    }
-
- */
 }
\ No newline at end of file
diff --git a/src/org/thoughtcrime/securesms/loki/activities/SelectContactsActivity.kt b/src/org/thoughtcrime/securesms/loki/activities/SelectContactsActivity.kt
new file mode 100644
index 0000000000..9d73deb831
--- /dev/null
+++ b/src/org/thoughtcrime/securesms/loki/activities/SelectContactsActivity.kt
@@ -0,0 +1,101 @@
+package org.thoughtcrime.securesms.loki.activities
+
+import android.app.Activity
+import android.content.Intent
+import android.os.Bundle
+import android.support.v4.app.LoaderManager
+import android.support.v4.content.Loader
+import android.support.v7.widget.LinearLayoutManager
+import android.view.Menu
+import android.view.MenuItem
+import android.view.View
+import kotlinx.android.synthetic.main.activity_create_closed_group.*
+import kotlinx.android.synthetic.main.activity_linked_devices.recyclerView
+import network.loki.messenger.R
+import org.thoughtcrime.securesms.PassphraseRequiredActionBarActivity
+import org.thoughtcrime.securesms.mms.GlideApp
+
+class SelectContactsActivity : PassphraseRequiredActionBarActivity(), MemberClickListener, LoaderManager.LoaderCallbacks<List<String>> {
+    private var members = listOf<String>()
+        set(value) { field = value; selectContactsAdapter.members = value }
+
+    private val selectContactsAdapter by lazy {
+        val result = SelectContactsAdapter(this)
+        result.glide = GlideApp.with(this)
+        result.memberClickListener = this
+        result
+    }
+
+    private val selectedMembers: Set<String>
+        get() { return selectContactsAdapter.selectedMembers }
+
+    companion object {
+        public val createNewPrivateChatResultCode = 100
+    }
+
+    // region Lifecycle
+    override fun onCreate(savedInstanceState: Bundle?, isReady: Boolean) {
+        super.onCreate(savedInstanceState, isReady)
+        setContentView(R.layout.activity_select_contacts)
+        supportActionBar!!.title = resources.getString(R.string.activity_select_contacts_title)
+        recyclerView.adapter = selectContactsAdapter
+        recyclerView.layoutManager = LinearLayoutManager(this)
+        createNewPrivateChatButton.setOnClickListener { createNewPrivateChat() }
+        LoaderManager.getInstance(this).initLoader(0, null, this)
+    }
+
+    override fun onCreateOptionsMenu(menu: Menu?): Boolean {
+        menuInflater.inflate(R.menu.menu_done, menu)
+        return members.isNotEmpty()
+    }
+    // endregion
+
+    // region Updating
+    override fun onCreateLoader(id: Int, bundle: Bundle?): Loader<List<String>> {
+        return SelectContactsLoader(this)
+    }
+
+    override fun onLoadFinished(loader: Loader<List<String>>, members: List<String>) {
+        update(members)
+    }
+
+    override fun onLoaderReset(loader: Loader<List<String>>) {
+        update(listOf())
+    }
+
+    private fun update(members: List<String>) {
+        this.members = members
+        mainContentContainer.visibility = if (members.isEmpty()) View.GONE else View.VISIBLE
+        emptyStateContainer.visibility = if (members.isEmpty()) View.VISIBLE else View.GONE
+        invalidateOptionsMenu()
+    }
+    // endregion
+
+    // region Interaction
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        val id = item.itemId
+        when(id) {
+            R.id.doneButton -> returnContacts()
+            else -> { /* Do nothing */ }
+        }
+        return super.onOptionsItemSelected(item)
+    }
+
+    private fun createNewPrivateChat() {
+        setResult(createNewPrivateChatResultCode)
+        finish()
+    }
+
+    override fun onMemberClick(member: String) {
+        selectContactsAdapter.onMemberClick(member)
+    }
+
+    private fun returnContacts() {
+        val selectedMembers = this.selectedMembers
+        val selectedContacts = selectedMembers.toTypedArray()
+        val data = Intent()
+        data.putExtra("Selected Contacts Result", selectedContacts)
+        setResult(Activity.RESULT_OK, data)
+        finish()
+    }
+}
\ No newline at end of file
diff --git a/src/org/thoughtcrime/securesms/loki/activities/CreateClosedGroupAdapter.kt b/src/org/thoughtcrime/securesms/loki/activities/SelectContactsAdapter.kt
similarity index 92%
rename from src/org/thoughtcrime/securesms/loki/activities/CreateClosedGroupAdapter.kt
rename to src/org/thoughtcrime/securesms/loki/activities/SelectContactsAdapter.kt
index fa69ef8afa..886735b3a3 100644
--- a/src/org/thoughtcrime/securesms/loki/activities/CreateClosedGroupAdapter.kt
+++ b/src/org/thoughtcrime/securesms/loki/activities/SelectContactsAdapter.kt
@@ -8,7 +8,7 @@ import org.thoughtcrime.securesms.loki.views.UserView
 import org.thoughtcrime.securesms.mms.GlideRequests
 import org.thoughtcrime.securesms.recipients.Recipient
 
-class CreateClosedGroupAdapter(private val context: Context) : RecyclerView.Adapter<CreateClosedGroupAdapter.ViewHolder>() {
+class SelectContactsAdapter(private val context: Context) : RecyclerView.Adapter<SelectContactsAdapter.ViewHolder>() {
     lateinit var glide: GlideRequests
     val selectedMembers = mutableSetOf<String>()
     var members = listOf<String>()
diff --git a/src/org/thoughtcrime/securesms/loki/activities/CreateClosedGroupLoader.kt b/src/org/thoughtcrime/securesms/loki/activities/SelectContactsLoader.kt
similarity index 87%
rename from src/org/thoughtcrime/securesms/loki/activities/CreateClosedGroupLoader.kt
rename to src/org/thoughtcrime/securesms/loki/activities/SelectContactsLoader.kt
index 59422993e1..59a7ef6ad1 100644
--- a/src/org/thoughtcrime/securesms/loki/activities/CreateClosedGroupLoader.kt
+++ b/src/org/thoughtcrime/securesms/loki/activities/SelectContactsLoader.kt
@@ -4,7 +4,7 @@ import android.content.Context
 import org.thoughtcrime.securesms.loki.utilities.ContactUtilities
 import org.thoughtcrime.securesms.util.AsyncLoader
 
-class CreateClosedGroupLoader(context: Context) : AsyncLoader<List<String>>(context) {
+class SelectContactsLoader(context: Context) : AsyncLoader<List<String>>(context) {
 
     override fun loadInBackground(): List<String> {
         val contacts = ContactUtilities.getAllContacts(context)