public class cwjView extendsView
{
public cwjView(Context context)
{
this(context,null);
}
public cwjView(Context context,AttributeSet attrs)
{
this(context,attrs,0);
}
public cwjView(Context context,AttributeSet attrs,int defStyle)
{
super(context,attrs,defStyle);
//This is the construction of this class. You can add code here for the relevant initialization.
}
@Override
protectd void onDraw(Canvas canvas)
{
super(canvas);
//The key to drawing, you can see that a canvas handle has been included, which can be directly used to perform related operations through the Canvas class we mentioned earlier. For a complete example, you can refer to the implementation of the Snake Snake game in the Android SDK.
}
}