diff --git a/sample_app/res/layout/activity_main.xml b/sample_app/res/layout/activity_main.xml
index e9f5fb4..49847ae 100644
--- a/sample_app/res/layout/activity_main.xml
+++ b/sample_app/res/layout/activity_main.xml
@@ -13,8 +13,8 @@
         android:id="@+id/gridLayout1"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:paddingBottom="@dimen/activity_vertical_margin"
-        android:columnCount="2" >
+        android:columnCount="2"
+        android:paddingBottom="@dimen/activity_vertical_margin" >
 
         <TextView
             android:layout_column="0"
@@ -72,7 +72,6 @@
             android:id="@+id/listContainer"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
-            android:layout_weight=".3"
             android:orientation="vertical" >
 
             <ListView
@@ -93,13 +92,6 @@
             android:layout_width="match_parent"
             android:layout_height="1dp"
             android:background="@android:color/holo_blue_dark" />
-
-        <uk.co.alt236.btlescan.views.RadarView
-            android:id="@+id/radarView"
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:layout_weight=".7">
-        </uk.co.alt236.btlescan.views.RadarView>
     </LinearLayout>
 
 </LinearLayout>
\ No newline at end of file
diff --git a/sample_app/res/values/colors.xml b/sample_app/res/values/colors.xml
index 9e35dd2..b8f6e52 100644
--- a/sample_app/res/values/colors.xml
+++ b/sample_app/res/values/colors.xml
@@ -1,3 +1,3 @@
 <resources>
-	<color name="light_gray">#e0e0e0</color>
+	<color name="light_gray">#66e0e0e0</color>
 </resources>
diff --git a/sample_app/src/uk/co/alt236/btlescan/activities/MainActivity.java b/sample_app/src/uk/co/alt236/btlescan/activities/MainActivity.java
index 29bb119..407ab2d 100644
--- a/sample_app/src/uk/co/alt236/btlescan/activities/MainActivity.java
+++ b/sample_app/src/uk/co/alt236/btlescan/activities/MainActivity.java
@@ -6,7 +6,6 @@ import uk.co.alt236.btlescan.adapters.LeDeviceListAdapter;
 import uk.co.alt236.btlescan.containers.BluetoothLeDeviceStore;
 import uk.co.alt236.btlescan.util.BluetoothLeScanner;
 import uk.co.alt236.btlescan.util.BluetoothUtils;
-import uk.co.alt236.btlescan.views.RadarView;
 import android.app.ListActivity;
 import android.bluetooth.BluetoothAdapter;
 import android.bluetooth.BluetoothDevice;
@@ -23,7 +22,6 @@ import butterknife.InjectView;
 public class MainActivity extends ListActivity {
 	@InjectView(R.id.tvBluetoothLe) TextView mTvBluetoothLeStatus;
 	@InjectView(R.id.tvBluetoothStatus) TextView mTvBluetoothStatus;
-	@InjectView(R.id.radarView) RadarView mRadarView;
 
 	private BluetoothUtils mBluetoothUtils;
 	private BluetoothLeScanner mScanner;
@@ -40,9 +38,7 @@ public class MainActivity extends ListActivity {
 				@Override
 				public void run() {
 					mDeviceStore.addDevice(deviceLe);
-					mLeDeviceListAdapter.clear();
-					mLeDeviceListAdapter.addAll(mDeviceStore.getDeviceList());
-					mLeDeviceListAdapter.notifyDataSetChanged();
+					mLeDeviceListAdapter.replaceData(mDeviceStore.getDeviceList());
 				}
 			});
 		}
diff --git a/sample_app/src/uk/co/alt236/btlescan/adapters/LeDeviceListAdapter.java b/sample_app/src/uk/co/alt236/btlescan/adapters/LeDeviceListAdapter.java
index 4dbc5cd..c5dc057 100644
--- a/sample_app/src/uk/co/alt236/btlescan/adapters/LeDeviceListAdapter.java
+++ b/sample_app/src/uk/co/alt236/btlescan/adapters/LeDeviceListAdapter.java
@@ -34,6 +34,11 @@ public class LeDeviceListAdapter extends ArrayAdapter<BluetoothLeDevice> {
 //		}
 //	}
 
+	public void replaceData(List<BluetoothLeDevice> list){
+		clear();
+		addAll(list);
+	}
+
 	@Override
 	public long getItemId(int i) {
 		return i;
diff --git a/sample_app/src/uk/co/alt236/btlescan/views/RadarView.java b/sample_app/src/uk/co/alt236/btlescan/views/RadarView.java
deleted file mode 100644
index 8bde7a3..0000000
--- a/sample_app/src/uk/co/alt236/btlescan/views/RadarView.java
+++ /dev/null
@@ -1,87 +0,0 @@
-package uk.co.alt236.btlescan.views;
-
-import android.content.Context;
-import android.graphics.Canvas;
-import android.graphics.Color;
-import android.graphics.Paint;
-import android.graphics.Paint.Style;
-import android.util.AttributeSet;
-import android.util.Log;
-import android.view.View;
-
-public class RadarView extends View{
-	private Paint mRadarBackgroundPaint;
-	private Paint mViewBackgroundPaint;
-	private int mWidth;
-	private int mHeight;
-	
-	public RadarView(Context context, AttributeSet attrs, int defStyleAttr) {
-		super(context, attrs, defStyleAttr);
-		init();
-	}
-
-	private void init() {
-		mRadarBackgroundPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
-		mRadarBackgroundPaint.setColor(0xff101010);
-		mRadarBackgroundPaint.setStyle(Style.FILL);
-		
-		mViewBackgroundPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
-		mViewBackgroundPaint.setColor(Color.BLACK);
-		mViewBackgroundPaint.setStyle(Style.FILL);
-	}
-
-	public RadarView(Context context, AttributeSet attrs) {
-		super(context, attrs);
-		init();
-	}
-
-	public RadarView(Context context) {
-		super(context);
-		init();
-	}
-
-
-	private int getSmallestDimension(){
-		if(mWidth > mHeight){
-			return mHeight;
-		} else {
-			return mWidth;
-		}
-	}
-
-	 @Override
-	    public void onSizeChanged (int w, int h, int oldw, int oldh){
-	        super.onSizeChanged(w, h, oldw, oldh);
-	        mWidth = w;
-	        mHeight = h;
-	    }
-	 
-	@Override
-	protected void onDraw(Canvas canvas) {
-		super.onDraw(canvas);
-		Log.d("TAG", "~ ONDRAW!");
-		
-		Log.d("TAG", "~ getLeft! " + getLeft());
-		Log.d("TAG", "~ getTop! " + getTop());
-		Log.d("TAG", "~ getRight! " + getRight());
-		Log.d("TAG", "~ getBottom! " + getBottom());
-		Log.d("TAG", "~ width! " + mWidth);
-		Log.d("TAG", "~ height! " + mHeight);
-		
-		final int smallestDim = getSmallestDimension();
-
-
-		canvas.drawRect(
-				getLeft(), 
-				getTop(), 
-				getRight(), 
-				getBottom(),
-				mViewBackgroundPaint);
-		
-		canvas.drawCircle(
-				getLeft() + (mWidth / 2f),
-				getTop() + (mHeight / 2f),
-				smallestDim / 2f,
-				mRadarBackgroundPaint);
-	}
-}