Android: Broadcastreceiver With Achartengine ,don't Display Updates

I'm trying to display information got from wifi scan with broadcast receiver ,into a bar chart using achartengine. Well i want to have a real time chart ,every time i receive data

Solution 1:

Well i resolved this problem ,to have a eal time chart (bar chart ) ,i have to change tho my onReceive method like bellow.I hope it will help someone.

public void onReceive(Context context, Intent intent) {
        WifiManager wifiMan=(WifiManager)WifiChartsRealTime.this.getSystemService(Context.WIFI_SERVICE);
          wifiMan.startScan();


        if(intent.getAction().equals(WifiManager.SCAN_RESULTS_AVAILABLE_ACTION)){
             results = wifi.getScanResults();
             length=results.size();


               Log.i("length1",length +"");
                XYMultipleSeriesRenderer renderer = getTruitonBarRenderer(results.size());
                myChartSettings(renderer);




                   layout = (LinearLayout) findViewById(R.id.chart);
                   if (mChartView != null) {
                       layout.removeView(mChartView);
                    }
                   mChartView = ChartFactory.getBarChartView(WifiChartsRealTime.this, getTruitonBarDataset( results), renderer, Type.STACKED); 
                   layout.addView(mChartView, 0, new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT));


        }



    }`