title: AchartEngine get position of touched point
body: <p>I use achartengine to draw a line chart. I use this code to get current point sellected
  `view.setOnClickListener(new View.OnClickListener() {
              public void onClick(View v) {
                  // handle the click event on the chart</p>
  
  <pre><code>            quickAction.show(v);
              SeriesSelection seriesSelection = view.getCurrentSeriesAndPoint();
              if (seriesSelection != null) {
                  if(mToast == null){
                      Toast.makeText( mContext  , "" , Toast.LENGTH_SHORT );
                  }
                  mToast.setText( "" + seriesSelection.getValue() + "mg/dL");
                  mToast.setGravity(Gravity.TOP|Gravity.CENTER_HORIZONTAL, 0, 0);
                  mToast.show();
              } else {
                  Log.i(this.toString(), "OnClickListener" + v.getX() + "y:" + v.getY());
              }
          }
      });`
  </code></pre>
  
  <p>Now i want to get position of this point or position of touch to display a bubble to show detail point, any idea for help
  for examp </p>
  
  <p><a href="https://dl.dropboxusercontent.com/u/5860710/Untitled.jpg" rel="nofollow">https://dl.dropboxusercontent.com/u/5860710/Untitled.jpg</a></p>