Changed AddContactsActivity to ConnectionsActivity.

This means all neighbors are shown, not just non-contacts.

Also fixed a bug where the list would not be refreshed when
first opened.

app/src/main/AndroidManifest.xml

@@ -34,8 +34,8 @@
             android:theme="@style/AppTheme.NoActionBar"/>
 
         <activity
-            android:name=".activities.AddContactsActivity"
-            android:label="@string/add_contacts"
+            android:name=".activities.ConnectionsActivity"
+            android:label="@string/connections"
             android:parentActivityName=".activities.MainActivity">
             <meta-data
                 android:name="android.support.PARENT_ACTIVITY"

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

@@ -26,7 +26,7 @@
         <TextView
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:text="@string/devices_empty"
+            android:text="@string/no_connections"
             android:gravity="center" />
 
     </LinearLayout>

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

@@ -43,13 +43,13 @@
     <string name="exit">Exit</string>
 
 
-    <!-- AddContactsActivity -->
+    <!-- ConnectionsActivity -->
 
     <!-- Activity title -->
-    <string name="add_contacts">Add Contacts</string>
+    <string name="connections">Connections</string>
 
     <!-- Empty text for devices list -->
-    <string name="devices_empty">Searching for Users\nRange: ~10m</string>
+    <string name="no_connections">Searching for Users\nRange: ~10m</string>
 
     <!-- Alertdialog message to add new contact -->
     <string name="dialog_add_contact">Do you want to add %1$s as contact?</string>
@@ -57,6 +57,9 @@
     <!-- Toast shown after contact has been added -->
     <string name="toast_contact_added">Contact added</string>
 
+    <!-- Toast shown when clicking a user that is already a contact -->
+    <string name="contact_already_added">You have already added %1$s as a contact</string>
+
 
     <!-- SettingsActivity -->
 

app/src/main/scala/com/nutomic/ensichat/activities/ConnectionsActivity.scala

@@ -17,7 +17,7 @@ import com.nutomic.ensichat.views.UsersAdapter
 /**
  * Lists all nearby, connected devices and allows adding them to be added as contacts.
  */
-class AddContactsActivity extends EnsichatActivity with OnItemClickListener {
+class ConnectionsActivity extends EnsichatActivity with OnItemClickListener {
 
   private val Tag = "AddContactsActivity"
 
@@ -32,7 +32,7 @@ class AddContactsActivity extends EnsichatActivity with OnItemClickListener {
     super.onCreate(savedInstanceState)
     getSupportActionBar.setDisplayHomeAsUpEnabled(true)
 
-    setContentView(R.layout.activity_add_contacts)
+    setContentView(R.layout.activity_connections)
     val list = findViewById(android.R.id.list).asInstanceOf[ListView]
     list.setAdapter(adapter)
     list.setOnItemClickListener(this)
@@ -45,6 +45,13 @@ class AddContactsActivity extends EnsichatActivity with OnItemClickListener {
       .registerReceiver(onContactsUpdatedReceiver, filter)
   }
 
+  override def onResume(): Unit = {
+    super.onResume()
+    runOnServiceConnected(() => {
+      updateConnections()
+    })
+  }
+
   override def onDestroy(): Unit = {
     super.onDestroy()
     LocalBroadcastManager.getInstance(this).unregisterReceiver(onContactsUpdatedReceiver)
@@ -55,12 +62,18 @@ class AddContactsActivity extends EnsichatActivity with OnItemClickListener {
    */
   override def onItemClick(parent: AdapterView[_], view: View, position: Int, id: Long): Unit = {
     val contact = adapter.getItem(position)
+    if (database.getContacts.contains(contact)) {
+      val text = getString(R.string.contact_already_added, contact.name)
+      Toast.makeText(this, text, Toast.LENGTH_SHORT).show()
+      return
+    }
+
     new Builder(this)
       .setMessage(getString(R.string.dialog_add_contact, contact.name))
       .setPositiveButton(android.R.string.yes, new OnClickListener {
         override def onClick(dialog: DialogInterface, which: Int): Unit = {
           database.addContact(contact)
-          Toast.makeText(AddContactsActivity.this, R.string.toast_contact_added, Toast.LENGTH_SHORT)
+          Toast.makeText(ConnectionsActivity.this, R.string.toast_contact_added, Toast.LENGTH_SHORT)
             .show()
         }
       })
@@ -82,13 +95,15 @@ class AddContactsActivity extends EnsichatActivity with OnItemClickListener {
   private val onContactsUpdatedReceiver = new BroadcastReceiver() {
     override def onReceive(context: Context, intent: Intent): Unit = {
       runOnUiThread(new Runnable {
-        override def run(): Unit  = {
-          adapter.clear()
-          (service.get.connections().map(a => service.get.getUser(a)) -- database.getContacts)
-            .foreach(adapter.add)
-        }
+        override def run(): Unit = updateConnections()
       })
     }
   }
 
+  private def updateConnections(): Unit = {
+    adapter.clear()
+    service.get.connections().map(a => service.get.getUser(a))
+      .foreach(adapter.add)
+  }
+
 }

app/src/main/scala/com/nutomic/ensichat/fragments/ContactsFragment.scala

@@ -14,7 +14,7 @@ import android.view.View.OnClickListener
 import android.view._
 import android.widget.{ListView, TextView, Toast}
 import com.nutomic.ensichat.R
-import com.nutomic.ensichat.activities.{AddContactsActivity, EnsichatActivity, MainActivity, SettingsActivity}
+import com.nutomic.ensichat.activities.{ConnectionsActivity, EnsichatActivity, MainActivity, SettingsActivity}
 import com.nutomic.ensichat.protocol.{ChatService, Crypto}
 import com.nutomic.ensichat.util.Database
 import com.nutomic.ensichat.views.UsersAdapter
@@ -80,7 +80,7 @@ class ContactsFragment extends ListFragment with OnClickListener {
   }
 
   override def onClick(v: View): Unit =
-    startActivity(new Intent(getActivity, classOf[AddContactsActivity]))
+    startActivity(new Intent(getActivity, classOf[ConnectionsActivity]))
 
   override def onOptionsItemSelected(item: MenuItem): Boolean = item.getItemId match {
     case R.id.share_app =>