User cannot remove himself from the edit closed group activity.

src/org/thoughtcrime/securesms/loki/activities/CreateClosedGroupActivity.kt

@@ -51,6 +51,7 @@ class CreateClosedGroupActivity : PassphraseRequiredActionBarActivity(), LoaderM
         recyclerView.layoutManager = LinearLayoutManager(this)
 
         btnCreateNewPrivateChat.setOnClickListener { createNewPrivateChat() }
+
         LoaderManager.getInstance(this).initLoader(0, null, this)
     }
 

src/org/thoughtcrime/securesms/loki/activities/EditClosedGroupActivity.kt

@@ -26,6 +26,7 @@ import org.thoughtcrime.securesms.loki.protocol.ClosedGroupsProtocol
 import org.thoughtcrime.securesms.mms.GlideApp
 import org.thoughtcrime.securesms.recipients.Recipient
 import org.thoughtcrime.securesms.util.GroupUtil
+import org.thoughtcrime.securesms.util.TextSecurePreferences
 import org.whispersystems.signalservice.loki.utilities.toHexString
 import java.io.IOException
 
@@ -95,7 +96,7 @@ class EditClosedGroupActivity : PassphraseRequiredActionBarActivity() {
         // Setup member list loader.
         LoaderManager.getInstance(this).initLoader(LOADER_ID_MEMBERS, null, object : LoaderManager.LoaderCallbacks<List<String>> {
             override fun onCreateLoader(id: Int, bundle: Bundle?): Loader<List<String>> {
-                return EditClosedGroupLoader(groupID, this@EditClosedGroupActivity)
+                return EditClosedGroupLoader(this@EditClosedGroupActivity, groupID)
             }
 
             override fun onLoadFinished(loader: Loader<List<String>>, members: List<String>) {
@@ -124,7 +125,11 @@ class EditClosedGroupActivity : PassphraseRequiredActionBarActivity() {
     private fun updateMembers(members: Set<String>) {
         this.members.clear()
         this.members.addAll(members)
-        this.memberListAdapter.setItems(members)
+        this.memberListAdapter.setMembers(members)
+
+        val localUserPublicKey = TextSecurePreferences.getLocalNumber(this)
+        this.memberListAdapter.setLockedMembers(arrayListOf(localUserPublicKey))
+
         mainContentContainer.visibility = if (members.isEmpty()) View.GONE else View.VISIBLE
         emptyStateContainer.visibility = if (members.isEmpty()) View.VISIBLE else View.GONE
         invalidateOptionsMenu()

src/org/thoughtcrime/securesms/loki/activities/EditClosedGroupLoader.kt

@@ -5,7 +5,10 @@ import org.thoughtcrime.securesms.database.DatabaseFactory
 import org.thoughtcrime.securesms.loki.utilities.ContactUtilities
 import org.thoughtcrime.securesms.util.AsyncLoader
 
-class EditClosedGroupLoader(val groupID: String, context: Context) : AsyncLoader<List<String>>(context) {
+class EditClosedGroupLoader(
+        context: Context,
+        val groupID: String
+) : AsyncLoader<List<String>>(context) {
 
     override fun loadInBackground(): List<String> {
         val members = DatabaseFactory.getGroupDatabase(context).getGroupMembers(groupID, true)

src/org/thoughtcrime/securesms/loki/activities/EditClosedGroupMembersAdapter.kt

@@ -14,17 +14,22 @@ class EditClosedGroupMembersAdapter(
         private val memberClickListener: ((String) -> Unit)? = null
 ) : RecyclerView.Adapter<EditClosedGroupMembersAdapter.ViewHolder>() {
 
-    private val items = ArrayList<String>()
+    private val members = ArrayList<String>()
+    private val lockedMembers = HashSet<String>()
 
-//    private val selectedItems = mutableSetOf<String>()
-
-    fun setItems(items: Collection<String>) {
-        this.items.clear()
-        this.items.addAll(items)
+    fun setMembers(members: Collection<String>) {
+        this.members.clear()
+        this.members.addAll(members)
         notifyDataSetChanged()
     }
 
-    override fun getItemCount(): Int = items.size
+    fun setLockedMembers(members: Collection<String>) {
+        this.lockedMembers.clear()
+        this.lockedMembers.addAll(members)
+        notifyDataSetChanged()
+    }
+
+    override fun getItemCount(): Int = members.size
 
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
         val view = UserView(context)
@@ -32,10 +37,19 @@ class EditClosedGroupMembersAdapter(
     }
 
     override fun onBindViewHolder(viewHolder: ViewHolder, position: Int) {
-        val item = items[position]
-//        val isSelected = selectedItems.contains(item)
-        viewHolder.view.bind(Recipient.from(context, Address.fromSerialized(item), false), false, glide, true)
-        viewHolder.view.setOnClickListener { this.memberClickListener?.invoke(item) }
+        val member = members[position]
+
+        val lockedMember = lockedMembers.contains(member)
+
+        viewHolder.view.bind(Recipient.from(
+                context,
+                Address.fromSerialized(member), false),
+                glide,
+                (if (lockedMember) UserView.ActionIndicator.NONE else UserView.ActionIndicator.MENU))
+
+        if (!lockedMember) {
+            viewHolder.view.setOnClickListener { this.memberClickListener?.invoke(member) }
+        }
     }
 
     class ViewHolder(val view: UserView) : RecyclerView.ViewHolder(view)

src/org/thoughtcrime/securesms/loki/activities/SelectContactsAdapter.kt

@@ -33,7 +33,12 @@ class SelectContactsAdapter(
         val member = members[position]
         viewHolder.view.setOnClickListener { onMemberClick(member) }
         val isSelected = selectedMembers.contains(member)
-        viewHolder.view.bind(Recipient.from(context, Address.fromSerialized(member), false), isSelected, glide, false)
+        viewHolder.view.bind(Recipient.from(
+                context,
+                Address.fromSerialized(member), false),
+                glide,
+                UserView.ActionIndicator.CHECK_BOX,
+                isSelected)
     }
 
     private fun onMemberClick(member: String) {

src/org/thoughtcrime/securesms/loki/fragments/ContactSelectionListAdapter.kt

@@ -52,8 +52,11 @@ class ContactSelectionListAdapter(private val context: Context, private val mult
             item as ContactSelectionListItem.Contact
             viewHolder.view.setOnClickListener { contactClickListener?.onContactClick(item.recipient) }
             val isSelected = selectedContacts.contains(item.recipient)
-            viewHolder.view.bind(item.recipient, isSelected, glide, false)
-            viewHolder.view.setCheckBoxVisible(multiSelect)
+            viewHolder.view.bind(
+                    item.recipient,
+                    glide,
+                    if (multiSelect) UserView.ActionIndicator.CHECK_BOX else UserView.ActionIndicator.NONE,
+                    isSelected)
         } else if (viewHolder is DividerViewHolder) {
             item as ContactSelectionListItem.Header
             viewHolder.view.label.text = item.name

src/org/thoughtcrime/securesms/loki/views/UserView.kt

@@ -40,11 +40,13 @@ class UserView : LinearLayout {
     // endregion
 
     // region Updating
-    fun setCheckBoxVisible(visible: Boolean) {
-        tickImageView.visibility = if (visible) View.VISIBLE else View.GONE
+    enum class ActionIndicator {
+        NONE,
+        MENU,
+        CHECK_BOX,
     }
 
-    fun bind(user: Recipient, isSelected: Boolean, glide: GlideRequests, isEditingGroup: Boolean) {
+    fun bind(user: Recipient, glide: GlideRequests, actionIndicator: ActionIndicator, isSelected: Boolean = false) {
         val address = user.address.serialize()
         if (user.isGroupRecipient) {
             if ("Session Public Chat" == user.name || user.address.isRSSFeed) {
@@ -70,10 +72,19 @@ class UserView : LinearLayout {
         profilePictureView.glide = glide
         profilePictureView.update()
         nameTextView.text = user.name ?: "Unknown Contact"
-        if (isEditingGroup) {
-            tickImageView.setImageResource(R.drawable.ic_more_horiz_white)
-        } else {
-            tickImageView.setImageResource(if (isSelected) R.drawable.ic_circle_check else R.drawable.ic_circle)
+
+        when (actionIndicator) {
+            ActionIndicator.NONE -> {
+                tickImageView.visibility = View.GONE
+            }
+            ActionIndicator.MENU -> {
+                tickImageView.visibility = View.VISIBLE
+                tickImageView.setImageResource(R.drawable.ic_more_horiz_white)
+            }
+            ActionIndicator.CHECK_BOX -> {
+                tickImageView.visibility = View.VISIBLE
+                tickImageView.setImageResource(if (isSelected) R.drawable.ic_circle_check else R.drawable.ic_circle)
+            }
         }
     }
     // endregion