Merge pull request #49 from junk2005x/master

add support for use in xml layouts.

Author: jjoe64

src/com/jjoe64/graphview/BarGraphView.java

@@ -2,6 +2,7 @@
 
 import android.content.Context;
 import android.graphics.Canvas;
+import android.util.AttributeSet;
 
 import com.jjoe64.graphview.GraphViewSeries.GraphViewSeriesStyle;
 
@@ -10,6 +11,10 @@
  * @author Muhammad Shahab Hameed
  */
 public class BarGraphView extends GraphView {
+	public BarGraphView(Context context, AttributeSet attrs) {
+		super(context, attrs);
+	}
+	
 	public BarGraphView(Context context, String title) {
 		super(context, title);
 	}

src/com/jjoe64/graphview/GraphView.java

@@ -10,6 +10,7 @@
 import android.graphics.Paint;
 import android.graphics.Paint.Align;
 import android.graphics.RectF;
+import android.util.AttributeSet;
 import android.view.MotionEvent;
 import android.view.View;
 import android.widget.LinearLayout;
@@ -253,6 +254,14 @@ protected void onDraw(Canvas canvas) {
 	private double manualMinYValue;
 	private GraphViewStyle graphViewStyle;
 
+	public GraphView(Context context, AttributeSet attrs) {
+		this(context, attrs.getAttributeValue(null, "title"));
+
+		int width = attrs.getAttributeIntValue("android", "layout_width", LayoutParams.MATCH_PARENT);
+		int height = attrs.getAttributeIntValue("android", "layout_height", LayoutParams.MATCH_PARENT);
+		setLayoutParams(new LayoutParams(width, height));
+	}
+
 	/**
 	 *
 	 * @param context

src/com/jjoe64/graphview/LineGraphView.java

@@ -3,6 +3,7 @@
 import android.content.Context;
 import android.graphics.Canvas;
 import android.graphics.Paint;
+import android.util.AttributeSet;
 
 import com.jjoe64.graphview.GraphViewSeries.GraphViewSeriesStyle;
 
@@ -18,6 +19,14 @@ public class LineGraphView extends GraphView {
 	private final Paint paintBackground;
 	private boolean drawBackground;
 
+	public LineGraphView(Context context, AttributeSet attrs) {
+		super(context, attrs);
+		
+		paintBackground = new Paint();
+		paintBackground.setARGB(255, 20, 40, 60);
+		paintBackground.setStrokeWidth(4);
+	}
+	
 	public LineGraphView(Context context, String title) {
 		super(context, title);