Android 自定义View（三）

来源：互联网发布：嵌入式linux终端编辑：程序博客网时间：2024/05/22 15:15

绘制篇

java代码：

/** * Created by aierJun on 2017/2/15. */public class LineView extends View {    public LineView(Context context) {        super(context);    }    public LineView(Context context, AttributeSet attrs) {        super(context, attrs);    }    public LineView(Context context, AttributeSet attrs, int defStyleAttr) {        super(context, attrs, defStyleAttr);    }    @Override    protected void onDraw(Canvas canvas) {        Paint paint=new Paint();        paint.setColor(getResources().getColor(R.color.red_hot));        canvas.drawLine(100,100,200,100,paint);//        super.onDraw(canvas);        canvas.drawLine(200,100,200,50,paint);        canvas.drawLine(100,50,200,50,paint);        canvas.drawLine(100,50,100,100,paint);    }}

Layout代码：

 <com.aierjun.test.view.LineView        android:layout_width="match_parent"        android:layout_height="match_parent" />

注意：Paint及Canvas的详细方法请参阅以下

点击直接跳转地址

http://www.cnblogs.com/menlsh/archive/2012/11/18/2776003.html

0 0