转载自:http://blog.csdn.net/xyxjn/article/details/46634311
- Error:failed to find target android-21 : /Users/news/Library/Android/sdk
- <a href="install.android.platform">Install missing platform(s) and sync project</a>
解决方法:
1、先在Android SDK Manager中查看当前Android SDK Build-tools版本
![](http://img.blog.csdn.net/20150625112331581?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQveHl4am4=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center)
2、找到build.gradle文件(所有的文件都需要修改)中的compileSdkVersion和buildToolsVersion,将其版本号改为对应的Android SDK Build-tools版本号即可
![](http://img.blog.csdn.net/20150625112626188?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQveHl4am4=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center)