<com.linuxidc.customviewsdemo.views.ArcImageView.ArcImageView
android:id="@+id/aiv_two"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/seafood"
custom:drawStyle="LEFT_BOTTOM"
custom:drawStr="海鲜"
custom:arcAlpha="100"
custom:arcColor="@color/gray"
custom:textColor="@color/black"
custom:textSize="20sp" />
</RelativeLayout>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:orientation="horizontal" >
<RelativeLayout
android:layout_width="0dp"
android:layout_weight="1"
android:layout_height="match_parent" >
<com.linuxidc.customviewsdemo.views.ArcImageView.ArcImageView
android:id="@+id/aiv_three"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/cheese"
custom:drawStyle="RIGHT_TOP"
custom:drawStr="奶酪"
custom:arcAlpha="100"
custom:arcColor="@color/gray"
custom:textColor="@color/black"
custom:textSize="20sp" />
</RelativeLayout>
<RelativeLayout
android:layout_width="0dp"
android:layout_weight="1"
android:layout_height="match_parent" >
<com.linuxidc.customviewsdemo.views.ArcImageView.ArcImageView
android:id="@+id/aiv_four"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/barbecue"
custom:drawStyle="LEFT_TOP"
custom:drawStr="烧烤"
custom:arcAlpha="100"
custom:arcColor="@color/gray"
custom:textColor="@color/black"
custom:textSize="20sp" />
</RelativeLayout>
</LinearLayout>
</LinearLayout>
注意，在布局文件中引入自定义属性时需要加入一行代码：xmlns:custom="http://schemas.android.com/apk/res-auto"。
好了，需求搞定，剩下的就是搬到实际的项目当中去了。实现效果如下：
总结一下，自定义View一般就是通过重写onDraw、onMeasure()、onLayout()等方法来进行测量、绘制，绘制的时候一般会用到Canvas、Paint、Bitmap等类，测量和绘制的过程其实就是对现实生活中绘图工作的抽象和实现，我们利用面向对象的思想将画板、画纸、画笔等工具以及绘画的动作用一行行代码加以描述就OK啦！