diff --git a/app/src/main/java/com/danilafe/fencelessgrazing/CollarListActivity.kt b/app/src/main/java/com/danilafe/fencelessgrazing/CollarListActivity.kt
index ee217b4..d56e770 100644
--- a/app/src/main/java/com/danilafe/fencelessgrazing/CollarListActivity.kt
+++ b/app/src/main/java/com/danilafe/fencelessgrazing/CollarListActivity.kt
@@ -17,12 +17,15 @@ import org.osmdroid.tileprovider.tilesource.TileSourceFactory
 import org.osmdroid.util.GeoPoint
 import org.osmdroid.views.MapView
 import org.osmdroid.views.overlay.Marker
+import java.util.*
+import kotlin.concurrent.timerTask
 
 class CollarListActivity : AppCompatActivity() {
 
     // The list of collar summaries and its list adapter.
     private val summaries : MutableList<CollarSummary> = mutableListOf()
     private lateinit var summaryAdapter: CollarSummaryAdapter
+    private lateinit var collarList: RecyclerView
 
     // The API token and request queue.
     private lateinit var token: String
@@ -32,6 +35,9 @@ class CollarListActivity : AppCompatActivity() {
     private lateinit var map: MapView
     private val collarOverlays: MutableMap<Int, Marker> = mutableMapOf()
 
+    // Timer used to schedule refresh
+    private val refreshTimer = Timer()
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
@@ -39,29 +45,25 @@ class CollarListActivity : AppCompatActivity() {
             PreferenceManager.getDefaultSharedPreferences(applicationContext))
 
         setContentView(R.layout.activity_collar_list)
+        findViews()
 
-        val collarList: RecyclerView = findViewById(R.id.collarSummaryList)
-        val layoutManager = LinearLayoutManager(collarList.context)
         token = intent.getStringExtra("token")!!
-        summaryAdapter = CollarSummaryAdapter(summaries)
-        map = findViewById(R.id.map)
         map.setTileSource(TileSourceFactory.MAPNIK)
         queue = Volley.newRequestQueue(this)
 
-        collarList.adapter = summaryAdapter
-        collarList.layoutManager = layoutManager
-        collarList.addItemDecoration(DividerItemDecoration(collarList.context, layoutManager.orientation))
-        triggerRefresh()
+        setupCollarList()
     }
 
     override fun onResume() {
         super.onResume()
         map.onResume()
+        refreshTimer.schedule(timerTask { triggerRefresh() }, 0L, 5000L)
     }
 
     override fun onPause() {
         super.onPause()
         map.onPause()
+        refreshTimer.cancel()
     }
 
     private fun triggerRefresh() {
@@ -79,6 +81,20 @@ class CollarListActivity : AppCompatActivity() {
         queue.add(request)
     }
 
+    private fun findViews() {
+        collarList = findViewById(R.id.collarSummaryList)
+        map = findViewById(R.id.map)
+    }
+
+    private fun setupCollarList() {
+        val layoutManager = LinearLayoutManager(collarList.context)
+        summaryAdapter = CollarSummaryAdapter(summaries)
+        collarList.adapter = summaryAdapter
+        collarList.layoutManager = layoutManager
+        collarList.addItemDecoration(DividerItemDecoration(collarList.context, layoutManager.orientation))
+        refreshTimer.schedule(timerTask { triggerRefresh() }, 0L, 5000L)
+    }
+
     private fun updateMapOverlay() {
         val currentSet = mutableSetOf<Int>()
         summaries.forEach {
@@ -100,5 +116,6 @@ class CollarListActivity : AppCompatActivity() {
                 collarOverlays.remove(it)
             }
         }
+        map.invalidate()
     }
 }
diff --git a/app/src/main/java/com/danilafe/fencelessgrazing/model/Polygon.kt b/app/src/main/java/com/danilafe/fencelessgrazing/model/Polygon.kt
new file mode 100644
index 0000000..51d4e3e
--- /dev/null
+++ b/app/src/main/java/com/danilafe/fencelessgrazing/model/Polygon.kt
@@ -0,0 +1,2 @@
+package com.danilafe.fencelessgrazing.model
+
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 54ad521..1e5fbf4 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -3,6 +3,6 @@
     <string name="username">Username</string>
     <string name="password">Password</string>
     <string name="login">Log In</string>
-    <string name="apiUrl">http://danilafe.com:8090</string>
+    <string name="apiUrl">http://dev.danilafe.com:8090</string>
     <string name="collarSummaryLocation">Currently at %1f, %2f</string>
 </resources>