deals with more cases

app/src/main/java/chat/rocket/android/createChannel/addMembers/ui/AddMembersActivity.kt

 package chat.rocket.android.createChannel.addMembers.ui
 
+import android.app.Activity
+import android.content.Intent
 import android.os.Bundle
 import android.support.design.chip.Chip
 import android.support.v7.app.AppCompatActivity
 import android.support.v7.widget.LinearLayoutManager
+import android.view.MenuItem
 import android.widget.EditText
 import android.widget.Toast
 import chat.rocket.android.R
@@ -29,11 +32,15 @@ class AddMembersActivity : AppCompatActivity(), AddMembersView {
     @Inject
     lateinit var presenter: AddMembersPresenter
     private var membersToAdd: ArrayList<String> = ArrayList()
-
     private val adapter: MembersAdapter = MembersAdapter { memberViewModel ->
-        addNewChip(memberViewModel)
-        updateToolBar()
-        search_view.setText("")
+        if (!membersToAdd.contains(memberViewModel.username)) {
+            addNewChip(memberViewModel)
+            updateToolBar()
+            search_view.setText("")
+        }
+        else {
+            Toast.makeText(this, getString(R.string.msg_member_already_added), Toast.LENGTH_LONG).show()
+        }
     }
     private var linearLayoutManager = LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false)
 
@@ -43,6 +50,7 @@ class AddMembersActivity : AppCompatActivity(), AddMembersView {
         setContentView(R.layout.activity_add_members)
         setUpToolBar()
         setUpRecyclerView()
+        setOnClickListeners()
         observableFromSearchView(search_view)
             .debounce(300, TimeUnit.MILLISECONDS)
             .filter { item -> item.length > 1 }
@@ -55,6 +63,17 @@ class AddMembersActivity : AppCompatActivity(), AddMembersView {
             }
     }
 
+    override fun onOptionsItemSelected(item: MenuItem?): Boolean {
+        when (item?.itemId) {
+            android.R.id.home -> {
+                finish()
+                return true
+            }
+
+        }
+        return super.onOptionsItemSelected(item)
+    }
+
     private fun addNewChip(memberViewModel: MemberViewModel) {
         val memberChip = Chip(this)
         memberChip.chipText = memberViewModel.username
@@ -67,10 +86,15 @@ class AddMembersActivity : AppCompatActivity(), AddMembersView {
         }
         members_chips.addView(memberChip)
         memberViewModel.username?.let { membersToAdd.add(it) }
-        Toast.makeText(this, membersToAdd.size.toString(), Toast.LENGTH_SHORT).show()
     }
 
     private fun updateToolBar() {
+        toolbar_action_text.isEnabled = membersToAdd.isNotEmpty()
+        if (membersToAdd.size == 0) {
+            toolbar_action_text.alpha = 0.8f
+        } else {
+            toolbar_action_text.alpha = 1.0f
+        }
         toolbar_title.text = getString(R.string.title_add_members, membersToAdd.size)
     }
 
@@ -131,6 +155,17 @@ class AddMembersActivity : AppCompatActivity(), AddMembersView {
 
     }
 
+    private fun setOnClickListeners() {
+        toolbar_action_text.setOnClickListener { view ->
+            if (view.isEnabled) {
+                val intent = Intent()
+                intent.putExtra("members", membersToAdd)
+                setResult(Activity.RESULT_OK, intent)
+                finish()
+            }
+        }
+    }
+
     private fun observableFromSearchView(searchView: EditText): Observable<String> {
         val observableSubject: BehaviorSubject<String> = BehaviorSubject.create()
         RxTextView.textChanges(searchView).subscribe { text ->

app/src/main/java/chat/rocket/android/createChannel/ui/CreateNewChannelActivity.kt

 package chat.rocket.android.createChannel.ui
 
+import android.app.Activity
 import android.content.Intent
 import android.graphics.drawable.GradientDrawable
 import android.os.Bundle
 import android.support.v7.app.AppCompatActivity
 import android.view.MenuItem
+import android.widget.Toast
 import chat.rocket.android.R
 import chat.rocket.android.createChannel.addMembers.ui.AddMembersActivity
 import chat.rocket.android.createChannel.presentation.CreateNewChannelPresenter
@@ -18,11 +20,13 @@ import kotlinx.android.synthetic.main.activity_create_new_channel.*
 import kotlinx.android.synthetic.main.layout_toolbar.*
 import javax.inject.Inject
 
+internal const val ADD_MEMBERS_ACTIVITY_REQUEST_CODE = 1
 
 class CreateNewChannelActivity : AppCompatActivity(), CreateNewChannelView {
     @Inject
     lateinit var presenter: CreateNewChannelPresenter
     private var channelType: String = "public"
+    private var listOfUsers: ArrayList<String> = ArrayList()
 
     override fun showLoading() {
         view_loading.setVisible(true)
@@ -71,6 +75,16 @@ class CreateNewChannelActivity : AppCompatActivity(), CreateNewChannelView {
         setUpOnClickListeners()
     }
 
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        super.onActivityResult(requestCode, resultCode, data)
+        if (resultCode == Activity.RESULT_OK) {
+            if (requestCode == ADD_MEMBERS_ACTIVITY_REQUEST_CODE && data != null) {
+                listOfUsers = data.getStringArrayListExtra("members")
+                Toast.makeText(this, listOfUsers.size.toString(), Toast.LENGTH_SHORT).show()
+            }
+        }
+    }
+
     private fun setUpToolBar() {
         setSupportActionBar(toolbar)
         toolbar_title.text = getString(R.string.title_create_new_channel)
@@ -78,7 +92,7 @@ class CreateNewChannelActivity : AppCompatActivity(), CreateNewChannelView {
 
         supportActionBar?.setDisplayHomeAsUpEnabled(true)
         RxTextView.textChanges(channel_name_edit_text).subscribe { text ->
-            toolbar_action_text.isEnabled = text.isNotEmpty()
+            toolbar_action_text.isEnabled = (text.isNotEmpty() && listOfUsers.isNotEmpty())
             if (text.isEmpty()) {
                 toolbar_action_text.alpha = 0.8f
             } else {
@@ -141,14 +155,15 @@ class CreateNewChannelActivity : AppCompatActivity(), CreateNewChannelView {
                 presenter.createNewChannel(
                     roomTypeOf(channelType),
                     channel_name_edit_text.text.toString(),
-                    listOf("aniket03"),
+                    listOfUsers,
                     false
                 )
             }
         }
 
         add_members_view.setOnClickListener {
-            startActivity(Intent(this, AddMembersActivity::class.java))
+            val intent = Intent(this, AddMembersActivity::class.java)
+            startActivityForResult(intent, ADD_MEMBERS_ACTIVITY_REQUEST_CODE)
         }
     }
 }
\ No newline at end of file

app/src/main/res/drawable/ic_add_white_24dp.xml

+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="@color/white"
+        android:pathData="M19,13h-6v6h-2v-6H5v-2h6V5h2v6h6v2z"/>
+</vector>

app/src/main/res/layout/activity_add_members.xml

@@ -22,13 +22,13 @@
 
         <android.support.design.chip.ChipGroup
             android:id="@+id/members_chips"
+            style="@style/Widget.MaterialComponents.Chip.Entry"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            app:layout_constraintTop_toTopOf="parent"
-            app:layout_constraintStart_toStartOf="parent"
             android:layout_margin="8dp"
             app:chipSpacing="3dp"
-            style="@style/Widget.MaterialComponents.Chip.Entry">
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent">
 
         </android.support.design.chip.ChipGroup>
 
@@ -48,12 +48,11 @@
             android:id="@+id/search_view"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:paddingTop="6dp"
-            android:paddingBottom="6dp"
-            android:paddingStart="8dp"
-            android:paddingEnd="8dp"
-            android:backgroundTint="@color/default_background"
+            android:backgroundTint="@android:color/transparent"
             android:hint="@string/msg_search"
+            android:paddingBottom="8dp"
+            android:paddingEnd="8dp"
+            android:paddingStart="8dp"
             app:layout_constraintTop_toBottomOf="@id/members_chips" />
 
         <View

app/src/main/res/layout/fragment_chat_rooms.xml

@@ -64,7 +64,7 @@
         android:layout_alignParentRight="true"
         app:useCompatPadding="true"
         android:layout_alignParentBottom="true"
-        android:src="@drawable/ic_add_24dp"
+        android:src="@drawable/ic_add_white_24dp"
         app:backgroundTint="@color/black"
         />
 </RelativeLayout>
\ No newline at end of file

app/src/main/res/values-es/strings.xml

@@ -15,6 +15,10 @@
     <string name="title_password">Cambia la contraseña</string>
     <string name="title_update_profile">Actualización del perfil</string>
     <string name="title_about">Acerca de</string>
+    // TODO: Add proper translation.
+    <string name="title_create_new_channel">Create New Channel</string>
+    // TODO: Add proper translation.
+    <string name="title_add_members">Invite Members (%d)</string>
 
     <!-- Actions -->
     <string name="action_connect">Conectar</string>"'
@@ -120,6 +124,8 @@
     // TODO: Add proper translation.
     <string name="msg_several_users_are_typing">Several users are typing…</string>
     <string name="msg_no_search_found">No se han encontrado resultados</string>
+    // TODO: Add proper translation.
+    <string name="msg_member_already_added">You have already selected this user</string>
 
     <!-- System messages -->
     <string name="message_room_name_changed">Nombre de la sala cambiado para: %1$s por %2$s</string>

app/src/main/res/values-fr/strings.xml

@@ -15,6 +15,10 @@
     <string name="title_password">Changer le mot de passe</string>
     <string name="title_update_profile">Update profile</string>
     <string name="title_about">Sur</string>
+    // TODO: Add proper translation.
+    <string name="title_create_new_channel">Create New Channel</string>
+    // TODO: Add proper translation.
+    <string name="title_add_members">Invite Members (%d)</string>
 
     <!-- Actions -->
     <string name="action_connect">Se connecter</string>
@@ -120,6 +124,8 @@
     // TODO: Add proper translation.
     <string name="msg_several_users_are_typing">Several users are typing…</string>
     <string name="msg_no_search_found">Aucun résultat trouvé</string>
+    // TODO: Add proper translation.
+    <string name="msg_member_already_added">You have already selected this user</string>
 
     <!-- System messages -->
     <string name="message_room_name_changed">Le nom de le salle a changé à: %1$s par %2$s</string>

app/src/main/res/values-hi-rIN/strings.xml

@@ -16,6 +16,10 @@
     <string name="title_password">पासवर्ड बदलें</string>
     <string name="title_update_profile">प्रोफ़ाइल अपडेट करें</string>
     <string name="title_about">परिचय</string>
+    // TODO: Add proper translation.
+    <string name="title_create_new_channel">Create New Channel</string>
+    // TODO: Add proper translation.
+    <string name="title_add_members">Invite Members (%d)</string>
 
     <!-- Actions -->
     <string name="action_connect">जुडिये</string>
@@ -122,6 +126,8 @@
     // TODO: Add proper translation.
     <string name="msg_several_users_are_typing">Several users are typing…</string>
     <string name="msg_no_search_found">कोई परिणाम नहीं मिला</string>
+    // TODO: Add proper translation.
+    <string name="msg_member_already_added">You have already selected this user</string>
 
     <!-- System messages -->
     <string name="message_room_name_changed">%2$s ने रूम का नाम बदलकर %1$s किया</string>

app/src/main/res/values-pt-rBR/strings.xml

@@ -15,6 +15,10 @@
     <string name="title_password">Alterar senha</string>
     <string name="title_update_profile">Editar perfil</string>
     <string name="title_about">Sobre</string>
+    // TODO: Add proper translation.
+    <string name="title_create_new_channel">Create New Channel</string>
+    // TODO: Add proper translation.
+    <string name="title_add_members">Invite Members (%d)</string>
 
     <!-- Actions -->
     <string name="action_connect">Conectar</string>
@@ -112,6 +116,8 @@
     <string name="msg_are_typing">\u0020estão digitando…</string>
     <string name="msg_several_users_are_typing">Vários usuários estão digitando…</string>
     <string name="msg_no_search_found">nenhum resultado encontrado</string>
+    // TODO: Add proper translation.
+    <string name="msg_member_already_added">You have already selected this user</string>
 
     <!-- System messages -->
     <string name="message_room_name_changed">Nome da sala alterado para: %1$s por %2$s</string>

app/src/main/res/values/strings.xml

@@ -31,8 +31,8 @@
     <string name="action_logout">Logout</string>
     <string name="action_files">Files</string>
     <string name="action_confirm_password">Confirm Password Change</string>
-    <string name="action_create_new_channel">Create</string>
-    <string name="action_select_members">Done</string>
+    <string name="action_create_new_channel">CREATE</string>
+    <string name="action_select_members">DONE</string>
     <string name="action_join_chat">Join Chat</string>
     <string name="action_add_account">Add account</string>
     <string name="action_online">Online</string>
@@ -121,6 +121,7 @@
     <string name="msg_are_typing">\u0020are typing…</string>
     <string name="msg_several_users_are_typing">Several users are typing…</string>
     <string name="msg_no_search_found">No result found</string>
+    <string name="msg_member_already_added">You have already selected this user</string>
 
     <!--info for creating a channel-->
     <string name="private_channel_type">Private</string>