android.os.FileUriExposedException: file:///storage/emulated/0/Android/data/com.xxx.xxx.xxx.release/files/Download/2017120600.apk exposed beyond app through Intent.getData()
参考：http://blog.csdn.net/yy1300326388/article/details/52787853
Android N 7.0 出现 FileUriExposedException 异常的解决办法
原文：http://www.cnblogs.com/liyiran/p/7994464.html