Though hard disk is cheap these days, ssd is still expensive. My Android SDK is taking something like 14Go.
虽然现在硬盘很便宜，但ssd仍然很贵。我的Android SDK有点像14Go。
I have installed apis 19,20 and 21, and each is taking around some valuable space (21 uses 9Go!) in the system-images/ folder.
我已经安装了api 19、20和21，每个都在系统映像/文件夹中占用一些有价值的空间(21使用9Go!)
Is there some cases where I do need 19 and 20 if I already have 21 ?
如果我已经有了21个，是否有需要19个和20个的情况?
1 个解决方案
#1
6
You will need 19 and 20 only if you plan on creating projects targeted (compiled) for those versions. And you most probably do not ;-) Also, avoid downloading everything each release offers if you do not have a specific need for all of them.
只有在您计划为这些版本创建项目(编译)时，您才需要19和20。而且，你很可能不会;-)同时，如果你对所有的发行版没有特定的需求，避免下载所有的发行版。
#1
6
You will need 19 and 20 only if you plan on creating projects targeted (compiled) for those versions. And you most probably do not ;-) Also, avoid downloading everything each release offers if you do not have a specific need for all of them.
只有在您计划为这些版本创建项目(编译)时，您才需要19和20。而且，你很可能不会;-)同时，如果你对所有的发行版没有特定的需求，避免下载所有的发行版。