private void onTouchEnd()
		{
			mPath.lineTo(mLastX * PIXEL_SIZE, mLastY * PIXEL_SIZE);
			mBuffer.drawPath(mPath, mPaint);
			mPath.reset();
			Firebase segmentRef = mFirebaseRef.push();
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final String segmentName = segmentRef.getKey();
			string segmentName = segmentRef.Key;
			mOutstandingSegments.Add(segmentName);

			// create a scaled version of the segment, so that it matches the size of the board
			Segment segment = new Segment(mCurrentSegment.Color);
			foreach (Point point in mCurrentSegment.Points)
			{
				segment.addPoint((int)Math.Round(point.x / mScale), (int)Math.Round(point.y / mScale));
			}

			// Save our segment into Firebase. This will let other clients see the data and add it to their own canvases.
			// Also make a note of the outstanding segment name so we don't do a duplicate draw in our onChildAdded callback.
			// We can remove the name from mOutstandingSegments once the completion listener is triggered, since we will have
			// received the child added event by then.
			segmentRef.setValue(segment, new CompletionListenerAnonymousInnerClassHelper(this, segmentName));
		}
		private void drawSegment(Segment segment, Paint paint)
		{
			if (mBuffer != null)
			{
				mBuffer.drawPath(getPathForPoints(segment.Points, mScale), paint);
			}
		}
		private void onTouchStart(float x, float y)
		{
			mPath.reset();
			mPath.moveTo(x, y);
			mCurrentSegment = new Segment(mCurrentColor);
			mLastX = (int) x / PIXEL_SIZE;
			mLastY = (int) y / PIXEL_SIZE;
			mCurrentSegment.addPoint(mLastX, mLastY);
		}
		public virtual void clear()
		{
			mBitmap = Bitmap.createBitmap(mBitmap.Width, mBitmap.Height, Bitmap.Config.ARGB_8888);
			mBuffer = new Canvas(mBitmap);
			mCurrentSegment = null;
			mOutstandingSegments.Clear();
			invalidate();
		}