在新建程序之后,显示下面的情况,是什么原因呢?有高手知道的话,告诉一下
![](http://imgsrc.baidu.com/forum/w%3D580/sign=f30550c9a1773912c4268569c8198675/1d65f21fbe096b63f322482404338744ebf8aca9.jpg)
All packages are not available for download!
The following packages are not available:- Package id platforms;android-23
![](http://imgsrc.baidu.com/forum/w%3D580/sign=f30550c9a1773912c4268569c8198675/1d65f21fbe096b63f322482404338744ebf8aca9.jpg)
All packages are not available for download!
The following packages are not available:- Package id platforms;android-23