<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical"
  
     >
    <TextView 
        android:id="@+id/showAddr"
          android:gravity="center"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="选择地点"
        android:textSize="20dp"
        /> 
 <com.baidu.mapapi.map.MapView
        android:id="@+id/bmapsView"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:clickable="true" />     
</LinearLayout>

public class MyIcon extends View {
    public static int w;
    public static int h;
    public static  Bitmap mBitmap;

    public MyIcon(Context context) {
        super(context);
        mBitmap = BitmapFactory.decodeResource(getResources(), R.drawable.me);
    }

    @Override
    protected void onDraw(Canvas canvas) {
        super.onDraw(canvas);
        w = this.getWidth() / 2 - mBitmap.getWidth() / 2;
        h = this.getHeight() / 2 - mBitmap.getHeight() / 2;
        canvas.drawBitmap(mBitmap, w, h, null);
    }

}
public class MyIcon2 extends View{
    public static int w;
    public static int h;
    private Bitmap mBitmap;

    public MyIcon2(Context context) {
        super(context);
        mBitmap = BitmapFactory.decodeResource(getResources(), R.drawable.jiewo);
    }

    @Override
    protected void onDraw(Canvas canvas) {
        super.onDraw(canvas);
        w = this.getWidth() / 2 - mBitmap.getWidth() / 2;
        h = (this.getHeight() / 2 - mBitmap.getHeight() / 2) - (    MyIcon.mBitmap.getHeight()/2);
        canvas.drawBitmap(mBitmap, w, h, null);
    }
}