怎么在Android中利用 listview对数据进行显示

package com.tianjs.tianjinsuop2p.widgets;import android.content.Context;import android.content.res.TypedArray;import android.graphics.Bitmap;import android.graphics.BitmapFactory;import android.graphics.Canvas;import android.graphics.Paint;import android.util.AttributeSet;import android.widget.Adapter;import android.widget.ListView;import com.tianjs.tianjinsuop2p.R;public class NoDataListView extends ListView{  private int height = 0;  private int width = 0;  private Bitmap noDataBitmap = null;  private Paint mPaint;  private int minItem = 0;  private int noDataImgInt = 0;  public NoDataListView(Context context)  {    this(context, null);  }  public NoDataListView(Context context, AttributeSet attrs)  {    this(context, attrs, 0);  }  public NoDataListView(Context context, AttributeSet attrs, int defStyleAttr)  {    super(context, attrs, defStyleAttr);    TypedArray array = context.obtainStyledAttributes(attrs, R.styleable.NoDataListView);    noDataImgInt = array.getResourceId(R.styleable.NoDataListView_noDataImg, 0);    minItem = array.getInt(R.styleable.NoDataListView_minItem, 0);    if (noDataImgInt != 0)    {      noDataBitmap = BitmapFactory.decodeResource(getResources(), noDataImgInt);    } else    {      noDataBitmap = Bitmap.createBitmap(1, 1, Bitmap.Config.ARGB_8888);    }    mPaint = new Paint();    array.recycle();  }  @Override  protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec)  {    height = MeasureSpec.getSize(heightMeasureSpec);    width = MeasureSpec.getSize(widthMeasureSpec);    super.onMeasure(widthMeasureSpec, heightMeasureSpec);  }  @Override  protected void onDraw(Canvas canvas)  {    Adapter adapter = getAdapter();    super.onDraw(canvas);    if (adapter == null || adapter.getCount() <= minItem)    {      canvas.drawBitmap(noDataBitmap, width / 2 - noDataBitmap.getWidth() / 2, height / 2 - noDataBitmap.getHeight() / 2, mPaint);    }  }}