adds code to create channel

app/src/main/java/chat/rocket/android/createChannel/presentation/CreateNewChannelPresenter.kt

 package chat.rocket.android.createChannel.presentation
 
+import chat.rocket.android.core.lifecycle.CancelStrategy
+import chat.rocket.android.server.domain.GetCurrentServerInteractor
+import chat.rocket.android.server.infraestructure.RocketChatClientFactory
+import chat.rocket.android.util.extensions.launchUI
+import chat.rocket.common.RocketChatException
+import chat.rocket.common.model.RoomType
+import chat.rocket.core.RocketChatClient
+import chat.rocket.core.internal.rest.createChannel
 import javax.inject.Inject
 
 
-class CreateNewChannelPresenter @Inject constructor() {
+class CreateNewChannelPresenter @Inject constructor(private val view: CreateNewChannelView,
+                                                    private val strategy: CancelStrategy,
+                                                    private val serverInteractor: GetCurrentServerInteractor,
+                                                    factory: RocketChatClientFactory) {
+    private val client: RocketChatClient = factory.create(serverInteractor.get()!!)
+
+    fun createNewChannel(roomType: RoomType, channelName: String, usersList: List<String>, readOnly: Boolean) {
+        launchUI(strategy) {
+            view.showLoading()
+            try {
+                client.createChannel(roomType, channelName, usersList, readOnly)
+                view.showMessage("Channel Created successfully")
+            } catch (ex: RocketChatException) {
+                //TODO remove this and add Log message instead
+                ex.printStackTrace()
+            } finally {
+                view.hideLoading()
+            }
+        }
+    }
 }
\ No newline at end of file

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

@@ -4,9 +4,12 @@ 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.presentation.CreateNewChannelPresenter
 import chat.rocket.android.createChannel.presentation.CreateNewChannelView
+import chat.rocket.android.util.extensions.setVisible
+import chat.rocket.common.model.roomTypeOf
 import com.jakewharton.rxbinding2.widget.RxTextView
 import dagger.android.AndroidInjection
 import kotlinx.android.synthetic.main.activity_create_new_channel.*
@@ -16,11 +19,15 @@ import javax.inject.Inject
 
 class CreateNewChannelActivity : AppCompatActivity(), CreateNewChannelView {
     override fun showLoading() {
-        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+        view_loading.setVisible(true)
+        layout_container.alpha = 0.5f
+        layout_container.isEnabled = false
     }
 
     override fun hideLoading() {
-        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+        view_loading.setVisible(false)
+        layout_container.alpha = 1.0f
+        layout_container.isEnabled = true
     }
 
     override fun showMessage(resId: Int) {
@@ -28,7 +35,7 @@ class CreateNewChannelActivity : AppCompatActivity(), CreateNewChannelView {
     }
 
     override fun showMessage(message: String) {
-        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+        Toast.makeText(this, message, Toast.LENGTH_LONG).show()
     }
 
     override fun showGenericErrorMessage() {
@@ -66,16 +73,17 @@ class CreateNewChannelActivity : AppCompatActivity(), CreateNewChannelView {
         supportActionBar?.setDisplayHomeAsUpEnabled(true)
         RxTextView.textChanges(channel_name_edit_text).subscribe { text ->
             toolbar_action_text.isEnabled = text.isNotEmpty()
-            if (text.isEmpty())
+            if (text.isEmpty()) {
                 toolbar_action_text.alpha = 0.8f
-            else
+            } else {
                 toolbar_action_text.alpha = 1.0f
+            }
         }
     }
 
     private fun setUpOnClickListeners() {
         public_channel.setOnClickListener {
-            channelType = "public"
+            channelType = "c"
 
             channel_type.text = getString(R.string.public_channel_type)
             channel_description.text = getString(R.string.private_channel_type_description)
@@ -93,7 +101,7 @@ class CreateNewChannelActivity : AppCompatActivity(), CreateNewChannelView {
         }
 
         private_channel.setOnClickListener {
-            channelType = "private"
+            channelType = "p"
 
             channel_type.text = getString(R.string.private_channel_type)
             channel_description.text = getString(R.string.public_channel_description)
@@ -110,5 +118,11 @@ class CreateNewChannelActivity : AppCompatActivity(), CreateNewChannelView {
             private_channel.setTextColor(resources.getColor(R.color.colorLightTheme))
             public_channel.setTextColor(resources.getColor(R.color.red))
         }
+
+        toolbar_action_text.setOnClickListener {
+            if (toolbar_action_text.isEnabled) {
+                presenter.createNewChannel(roomTypeOf(channelType), channel_name_edit_text.text.toString(), listOf("aniket03"), false)
+            }
+        }
     }
 }
\ No newline at end of file

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

@@ -7,6 +7,6 @@
         android:pathData="M6.626,11.495L4.505,11.495L3.714,16L1.703,16L2.495,11.495L0,11.495L0,9.604L2.824,9.604L3.374,6.484L0.824,6.484L0.824,4.571L3.714,4.571L4.516,0L6.516,0L5.714,4.571L7.846,4.571L8.648,0L10.659,0L9.857,4.571L12.264,4.571L12.264,6.484L9.516,6.484L8.967,9.604L11.429,9.604L11.429,11.495L8.637,11.495L7.846,16L5.835,16L6.626,11.495ZM4.835,9.604L6.956,9.604L7.505,6.484L5.374,6.484L4.835,9.604Z"
         android:strokeColor="#00000000"
         android:fillType="evenOdd"
-        android:fillColor="#000000"
+        android:fillColor="@color/colorSecondaryText"
         android:strokeWidth="1"/>
 </vector>

app/src/main/res/drawable/ic_person_add_black_24dp.xml

@@ -4,6 +4,6 @@
         android:viewportWidth="24.0"
         android:viewportHeight="24.0">
     <path
-        android:fillColor="#FF000000"
+        android:fillColor="@color/colorSecondaryText"
         android:pathData="M15,12c2.21,0 4,-1.79 4,-4s-1.79,-4 -4,-4 -4,1.79 -4,4 1.79,4 4,4zM6,10L6,7L4,7v3L1,10v2h3v3h2v-3h3v-2L6,10zM15,14c-2.67,0 -8,1.34 -8,4v2h16v-2c0,-2.66 -5.33,-4 -8,-4z"/>
 </vector>

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

 <?xml version="1.0" encoding="utf-8"?>
 <android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
@@ -12,11 +13,24 @@
         app:layout_constraintBottom_toTopOf="@+id/layout_container"
         app:layout_constraintTop_toTopOf="parent" />
 
+    <com.wang.avi.AVLoadingIndicatorView
+        android:id="@+id/view_loading"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:visibility="gone"
+        app:indicatorColor="@color/black"
+        app:indicatorName="BallPulseIndicator"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/toolbar_layout"
+        tools:visibility="visible" />
+
     <android.support.constraint.ConstraintLayout
         android:id="@+id/layout_container"
         android:layout_width="0dp"
         android:layout_height="0dp"
-        android:padding="8dp"
+        android:padding="16dp"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintHorizontal_bias="0.0"
@@ -67,8 +81,9 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginTop="16dp"
-            android:text="@string/private_channel_type"
-            android:textColor="@color/black"
+            android:text="@string/public_channel_type"
+            android:textColor="@color/colorPrimaryText"
+            android:textSize="16sp"
             app:layout_constraintTop_toBottomOf="@id/public_channel" />
 
         <TextView
@@ -76,14 +91,15 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginTop="4dp"
-            android:text="@string/private_channel_type_description"
-            android:textColor="@color/black"
+            android:text="@string/public_channel_description"
+            android:textColor="@color/colorSecondaryText"
+            android:textSize="12sp"
             app:layout_constraintTop_toBottomOf="@id/channel_type" />
 
         <View
             android:id="@+id/separator_1"
             android:layout_width="0dp"
-            android:layout_height="0.2dp"
+            android:layout_height="0.5dp"
             android:layout_marginTop="8dp"
             android:background="@color/colorDividerMessageComposer"
             app:layout_constraintTop_toBottomOf="@id/channel_description" />
@@ -114,13 +130,14 @@
             <android.support.design.widget.TextInputEditText
                 android:id="@+id/channel_name_edit_text"
                 android:layout_width="match_parent"
-                android:layout_height="match_parent" />
+                android:layout_height="match_parent"
+                android:textSize="16sp" />
         </android.support.design.widget.TextInputLayout>
 
         <View
             android:id="@+id/separator_2"
             android:layout_width="0dp"
-            android:layout_height="0.2dp"
+            android:layout_height="0.5dp"
             android:layout_marginTop="8dp"
             android:background="@color/colorDividerMessageComposer"
             app:layout_constraintTop_toBottomOf="@id/channel_name_text_input_layout" />
@@ -140,7 +157,8 @@
                 android:layout_width="0dp"
                 android:layout_height="wrap_content"
                 android:text="@string/msg_add_members"
-                android:textColor="@color/black"
+                android:textColor="@color/colorSecondaryText"
+                android:textSize="16sp"
                 app:layout_constraintBottom_toBottomOf="parent"
                 app:layout_constraintHorizontal_chainStyle="spread"
                 app:layout_constraintStart_toStartOf="parent"
@@ -158,7 +176,7 @@
         <View
             android:id="@+id/separator_3"
             android:layout_width="0dp"
-            android:layout_height="0.2dp"
+            android:layout_height="0.5dp"
             android:layout_marginTop="8dp"
             android:background="@color/colorDividerMessageComposer"
             app:layout_constraintTop_toBottomOf="@id/add_members_view" />