[NEW] Add FAB, Show list of contacts, Invite Contacts via Email / Phone

app/src/main/AndroidManifest.xml

@@ -6,6 +6,8 @@
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.VIBRATE" />
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.READ_CONTACTS" />
+    <uses-permission android:name="android.permission.WRITE_CONTACTS" />
 
     <application
         android:name=".app.RocketChatApplication"

app/src/main/java/chat/rocket/android/chatrooms/ui/ChatRoomsFragment.kt

@@ -30,15 +30,13 @@ import chat.rocket.android.chatrooms.viewmodel.ChatRoomsViewModel
 import chat.rocket.android.chatrooms.viewmodel.ChatRoomsViewModelFactory
 import chat.rocket.android.chatrooms.viewmodel.LoadingState
 import chat.rocket.android.chatrooms.viewmodel.Query
+import chat.rocket.android.contacts.ContactsFragment
 import chat.rocket.android.helper.ChatRoomsSortOrder
 import chat.rocket.android.helper.Constants
 import chat.rocket.android.helper.SharedPreferenceHelper
+import chat.rocket.android.main.ui.MainActivity
 import chat.rocket.android.util.extension.onQueryTextListener
-import chat.rocket.android.util.extensions.fadeIn
-import chat.rocket.android.util.extensions.fadeOut
-import chat.rocket.android.util.extensions.inflate
-import chat.rocket.android.util.extensions.showToast
-import chat.rocket.android.util.extensions.ui
+import chat.rocket.android.util.extensions.*
 import chat.rocket.android.widget.DividerItemDecoration
 import chat.rocket.core.internal.realtime.socket.model.State
 import dagger.android.support.AndroidSupportInjection
@@ -109,6 +107,7 @@ class ChatRoomsFragment : Fragment(), ChatRoomsView {
         subscribeUi()
 
         setupToolbar()
+        setupFab()
 
         analyticsManager.logScreenView(ScreenViewEvent.ChatRooms)
     }
@@ -180,13 +179,15 @@ class ChatRoomsFragment : Fragment(), ChatRoomsView {
                 // to recreate the entire menu...
                 viewModel.showLastMessage = true
                 activity?.invalidateOptionsMenu()
+                create_new_channel_fab.isVisible = true
                 queryChatRoomsByName(null)
                 return true
             }
 
             override fun onMenuItemActionExpand(item: MenuItem): Boolean {
                 viewModel.showLastMessage = false
                 sortView?.isVisible = false
+                create_new_channel_fab.isVisible = false
                 return true
             }
         }
@@ -344,6 +345,7 @@ class ChatRoomsFragment : Fragment(), ChatRoomsView {
 
     private fun setupToolbar() {
         (activity as AppCompatActivity?)?.supportActionBar?.title = getString(R.string.title_chats)
+        (activity as MainActivity).setupNavigationView()
     }
 
     private fun queryChatRoomsByName(name: String?): Boolean {
@@ -354,4 +356,14 @@ class ChatRoomsFragment : Fragment(), ChatRoomsView {
         }
         return true
     }
+
+    private fun setupFab() {
+        create_new_channel_fab.setOnClickListener { view ->
+            val contactsFragment = ContactsFragment()
+            val transaction = activity?.supportFragmentManager?.beginTransaction();
+            transaction?.setCustomAnimations(R.anim.enter_from_right, R.anim.exit_to_left, R.anim.enter_from_left, R.anim.exit_to_right);
+            transaction?.replace(this.id, contactsFragment, "contactsFragment");
+            transaction?.addToBackStack(null)?.commit();
+        }
+    }
 }

app/src/main/java/chat/rocket/android/contacts/ContactListFragment.kt

@@ -0,0 +1,97 @@
+package chat.rocket.android.contacts
+
+import android.Manifest
+import android.app.Activity
+import android.content.pm.PackageManager
+import android.os.Bundle
+import android.provider.ContactsContract
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.TextView
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.app.ActivityCompat
+import androidx.core.content.ContextCompat
+import androidx.fragment.app.Fragment
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import chat.rocket.android.R
+import chat.rocket.android.contacts.models.Contact
+import chat.rocket.android.main.ui.MainActivity
+import timber.log.Timber
+import java.util.ArrayList
+import kotlin.collections.HashMap
+
+
+/**
+ * Load a list of contacts in a recycler view
+ */
+class ContactListFragment : Fragment() {
+    /**
+     * The list of contacts to load in the recycler view
+     */
+    private var contactArrayList: ArrayList<Contact?>? = null
+
+    /**
+     *  The mapping of contacts with their registration status
+     */
+    private var contactHashMap: HashMap<String, String> = HashMap()
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        val bundle = arguments
+        if (bundle != null) {
+            contactArrayList = bundle.getParcelableArrayList("CONTACT_ARRAY_LIST")
+            contactHashMap= bundle.getSerializable("CONTACT_HASH_MAP") as HashMap<String, String>
+        }
+
+    }
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+        val view = inflater.inflate(R.layout.fragment_contacts, container, false)
+        val context = view.context
+
+        val recyclerView = view.findViewById(R.id.recycler_view) as RecyclerView
+        val emptyTextView = view.findViewById(R.id.text_no_data_to_display) as TextView
+
+        if (contactArrayList!!.size == 0) {
+            emptyTextView.visibility = View.VISIBLE
+            recyclerView.visibility = View.GONE
+        } else {
+            emptyTextView.visibility = View.GONE
+            recyclerView.visibility = View.VISIBLE
+
+            recyclerView.setHasFixedSize(true)
+            recyclerView.layoutManager = LinearLayoutManager(context)
+            recyclerView.adapter = ContactRecyclerViewAdapter(this.activity as MainActivity, contactArrayList!!, contactHashMap)
+        }
+
+        return view
+    }
+
+    companion object {
+
+        /**
+         * Create a new ContactList fragment that displays the given list of contacts
+         *
+         * @param contactArrayList the list of contacts to load in the recycler view
+         * @param contactHashMap the mapping of contacts with their registration status
+         * @return the newly created ContactList fragment
+         */
+        fun newInstance(
+                contactArrayList: ArrayList<Contact>,
+                contactHashMap: HashMap<String, String>
+        ): ContactListFragment {
+            val contactListFragment = ContactListFragment()
+
+            val arguments = Bundle()
+            arguments.putParcelableArrayList("CONTACT_ARRAY_LIST", contactArrayList)
+            arguments.putSerializable("CONTACT_HASH_MAP", contactHashMap)
+
+            contactListFragment.arguments = arguments
+
+            return contactListFragment
+        }
+    }
+}

app/src/main/java/chat/rocket/android/contacts/ContactRecyclerViewAdapter.kt

@@ -0,0 +1,78 @@
+package chat.rocket.android.contacts
+
+import android.content.Context
+import timber.log.Timber
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.Button
+import android.widget.TextView
+import android.widget.Toast
+import androidx.fragment.app.FragmentActivity
+import androidx.recyclerview.widget.RecyclerView
+import chat.rocket.android.R
+import chat.rocket.android.contacts.models.Contact
+import chat.rocket.android.main.ui.MainActivity
+import java.util.*
+import kotlin.collections.HashMap
+import chat.rocket.android.util.extensions.showToast
+
+class ContactRecyclerViewAdapter(
+        private val context: MainActivity,
+        private val contactArrayList: ArrayList<Contact?>,
+        private val contactHashMap: HashMap<String, String>
+) : RecyclerView.Adapter<ContactRecyclerViewAdapter.ViewHolder>() {
+
+    override fun getItemCount(): Int {
+        return contactArrayList.size
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
+        val view = LayoutInflater
+                .from(parent.context)
+                .inflate(R.layout.item_contact, parent, false)
+        return ViewHolder(view)
+    }
+
+    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
+        holder.contact = contactArrayList[position]
+        holder.status = contactHashMap.get(holder.contact!!.getPhoneNumber())
+        try {
+            holder.contactName.text = holder.contact!!.getName()
+            if (holder.contact!!.isPhone()) {
+                holder.contactDetail.text = holder.contact!!.getPhoneNumber()
+            } else {
+                holder.contactDetail.text = holder.contact!!.getEmailAddress()
+            }
+        } catch (exception: NullPointerException) {
+            Timber.e("Failed to send resolution. Exception is: $exception")
+        }
+
+    }
+
+    inner class ViewHolder(val view: View) : RecyclerView.ViewHolder(view) {
+        var contact: Contact? = null
+        var status: String? = null
+
+        var contactName: TextView
+        var contactDetail: TextView
+        var inviteButton: Button
+
+        init {
+            this.contactName = view.findViewById(R.id.contact_name) as TextView
+            this.contactDetail = view.findViewById(R.id.contact_detail) as TextView
+            this.inviteButton = view.findViewById(R.id.invite_contact) as Button
+
+            this.inviteButton.setOnClickListener { view ->
+                run {
+                    // Make API call using context.presenter
+                    if(contact!!.isPhone()){
+                        context.presenter.inviteViaSMS(contact!!.getPhoneNumber()!!);
+                        }else{
+                        context.presenter.inviteViaEmail(contact!!.getEmailAddress()!!);
+                    }
+                }
+            }
+        }
+    }
+}