Started working on RadarView

sample_app/src/uk/co/alt236/btlescan/activities/MainActivity.java

@@ -5,6 +5,7 @@ import uk.co.alt236.btlescan.R;
 import uk.co.alt236.btlescan.adapters.LeDeviceListAdapter;
 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;
@@ -21,11 +22,12 @@ 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;
 	private LeDeviceListAdapter mLeDeviceListAdapter;
-
+	
 	private BluetoothAdapter.LeScanCallback mLeScanCallback = new BluetoothAdapter.LeScanCallback() {
 		@Override
 		public void onLeScan(final BluetoothDevice device, int rssi, byte[] scanRecord) {
@@ -64,7 +66,6 @@ public class MainActivity extends ListActivity {
 		mScanner = new BluetoothLeScanner(mLeScanCallback, mBluetoothUtils);
 	}
 
-
 	@Override
 	public boolean onCreateOptionsMenu(Menu menu) {
 		getMenuInflater().inflate(R.menu.main, menu);

sample_app/src/uk/co/alt236/btlescan/views/RadarView.java

@@ -0,0 +1,87 @@
+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);
+	}
+}