Android สร้างกราฟโดยใช้ lib ของ achartengine แล้วกำหนดวันทีให้แสดง 7 วัน แล้วค่อยเอาค่าใน Database มาใส่ ต้องทำแบบไหนครับ

private void openChart() {
		
	View mChart;	
	SQLiteDatabase mDB;
	SQLiteOpenHelper myHelpers;
	Cursor mCursor;
	ArrayList<Double> KcalValue;
	ArrayList<String> AllRecord;
		
	int pDay,pMonth,pYear;
	Calendar cal = Calendar.getInstance();
	pDay = cal.get(Calendar.DAY_OF_MONTH);
	pMonth = cal.get(Calendar.MONTH);
	pYear = cal.get(Calendar.YEAR);
		
	String Date = "ว/ด/ป : " + pDay + "/" + (pMonth+1) + "/" + (pYear + 543);
		
	int Increate = 1;
		
	ArrayList<Integer> X_value = new ArrayList<Integer>();
		
	XYSeries kcalXySeries = new XYSeries("ค่าแคลอรี่ที่บริโภค");
		
	myHelpers = new ProfileKcalDBClass(this);
	mDB = myHelpers.getWritableDatabase();
		
	mCursor = mDB.rawQuery("SELECT " + " SUM(" + ProfileKcalDBClass.COL_PRO_TOTAL + ") AS TotalKcal" + " , " + 
										   ProfileKcalDBClass.COL_PRO_DATE + 
										   " FROM " + ProfileKcalDBClass.TABLE_KCAL_PRO + 
										   " WHERE " +  ProfileKcalDBClass.COL_PRO_TYPE + " = '1'" + 
										   " AND substr(" + ProfileKcalDBClass.COL_PRO_DATE + ",4,6) = '" +
										   ((pMonth+1) + "/" + (pYear + 543)) + "'"+
										   " GROUP BY " + ProfileKcalDBClass.COL_PRO_DATE , null);
	
	KcalValue = new ArrayList<Double>();
	AllRecord = new ArrayList<String>();
		
	mCursor.moveToFirst();
	while(!mCursor.isAfterLast()){
		KcalValue.add(mCursor.getDouble(mCursor.getColumnIndex("TotalKcal")));
		AllRecord.add(mCursor.getString(mCursor.getColumnIndex(ProfileKcalDBClass.COL_PRO_DATE)));
		X_value.add(Increate);
		Increate++;
			
		mCursor.moveToNext();
	}
		
	for(int i = 0; i < X_value.size(); i++){
		kcalXySeries.add(X_value.get(i),KcalValue.get(i));
	}
	
	XYMultipleSeriesDataset dataset = new XYMultipleSeriesDataset();
	dataset.addSeries(kcalXySeries);
		
	XYSeriesRenderer Renderer = new XYSeriesRenderer();
	Renderer.setDisplayChartValues(true);
	Renderer.setChartValuesTextSize(18);
	Renderer.setChartValuesSpacing(10);
	Renderer.setChartValuesTextAlign(Align.CENTER);
	Renderer.setColor(Color.RED); 

	XYMultipleSeriesRenderer multiRenderer = new XYMultipleSeriesRenderer();
	multiRenderer.setChartTitle("CALORIES IN");
	multiRenderer.setXTitle("\n \n \n  " + Date);
	multiRenderer.setZoomButtonsVisible(true);
		
	multiRenderer.setLabelsTextSize(18);
	multiRenderer.setLegendTextSize(18);
	multiRenderer.setAxisTitleTextSize(18);
	multiRenderer.setPanEnabled(true, true);
	multiRenderer.setZoomEnabled(false, false);
		
	multiRenderer.setApplyBackgroundColor(true);
	multiRenderer.setBackgroundColor(Color.WHITE);
	multiRenderer.setMarginsColor(Color.WHITE);				
	multiRenderer.setTextTypeface(null, Typeface.BOLD);		
	multiRenderer.setShowGrid(true);							
	multiRenderer.setGridColor(Color.GRAY);					
	multiRenderer.setLabelsColor(Color.BLACK);				
	multiRenderer.setChartTitleTextSize(20);					
	multiRenderer.setAxesColor(Color.BLACK);											
	multiRenderer.setXLabelsColor(Color.BLACK);				
	multiRenderer.setYLabelsColor(0, Color.BLACK);			
	multiRenderer.setXLabelsAlign(Align.CENTER);			
	multiRenderer.setYLabelsAlign(Align.CENTER);						
	multiRenderer.setXLabelsAngle(0);
	multiRenderer.setBarWidth(50);
	multiRenderer.setBarSpacing(0.5);
		
	multiRenderer.setXLabels(0); 							
	multiRenderer.setYAxisMin(0);		
		
	for(int i = 0;i < AllRecord.size();i++){
		multiRenderer.addXTextLabel(i + 1,AllRecord.get(i));
	}
	multiRenderer.addSeriesRenderer(Renderer);
		
	LinearLayout chartContainer = (LinearLayout) findViewById(R.id.tab3_ref);
		
	mChart = ChartFactory.getBarChartView(getBaseContext(), dataset, multiRenderer, Type.DEFAULT);
		
	chartContainer.addView(mChart);
}