| 利用Path可以画出各种复杂的二维图形，写了一个简单的例子，效果如下：
程序目录结构： <ignore_js_op style="word-wrap: break-word;">
其中MainActivity代码如下： public class MainActivity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(new MyLayout(this));
}
} 利用自定义的MyLayout填充Activity。MyLayout代码如下： public class MyLayout extends LinearLayout {
public MyLayout(Context context) {
super(context);
// TODO Auto-generated constructor stub
}
protected void dispatchDraw(Canvas canvas) {
super.dispatchDraw(canvas);
Log.v("tag", ">>>>>>>>>>>>>>>>>>>>>>");
Path mPath = new Path();
mPath.moveTo(20, 150);
mPath.lineTo(60, 200);
mPath.lineTo(100, 350);
mPath.lineTo(200, 60);
mPath.lineTo(140, 160);
mPath.close();
Paint paint = new Paint();
canvas.drawColor(Color.WHITE);
paint.setAntiAlias(true);
paint.setColor(Color.BLACK);
paint.setStyle(Paint.Style.STROKE);
// 画布上用指定画笔绘出路径
canvas.drawPath(mPath, paint);
}
}
其中： Path mPath = new Path();
mPath.moveTo(20, 150);
mPath.lineTo(60, 200);
mPath.lineTo(100, 350);
mPath.lineTo(200, 60);
mPath.lineTo(140, 160);
mPath.close(); path用来描述画笔的路径，close方法表示将最后的点和起点封闭起来。 paint.setAntiAlias(true);
paint.setColor(Color.BLACK);
paint.setStyle(Paint.Style.STROKE);
定义画笔的类型和风格。 原文地址：http://www.apkbus.com/forum.php?mod=viewthread&tid=18630 本文地址：http://bajiewuneng.iteye.com/blog/1919505 |
