Description In a wireless network with multiple transmitters sending on the same frequencies, it is often a requirement that signals don't overlap, or at least that they don't conflict. One way of accomplishing this is to restrict a transmitter's cov
关于异形焊盘的创建,可参看下面的半圆PAD的制作:1.新建一个PCB文件,然后在里面画一个半圆的Arc,即Place放置(P)>Arc,并且要将其开口处 封闭,即可用Place 放置(P)>Line走线(L)封闭.2.选中整个半圆区域,而后执行Tools工具(T)>Convert转换(V)>Create Region from selected primitives>Yes , 如此便可以获得这样的半圆形的区域.3.创建一个PCB的库,将刚刚的半圆区域复制到Pcb库里面的
如果是为了兼容低版本的Android系统,则需要引用Android Material Design的扩展支持库,我在之前的一篇文章张,较为详细的说明了如何导入Android Material Design依赖的库:android-support-v7-appcompat和design库,文章链接地址:http://www.cnblogs.com/zzw1994/p/5012475.htmlAndroid Material Design的FloatingActionButton是一个“悬浮”的按钮