Android NDK 报错

No implementation found for void 
fix way:
check System.loadLibrary() is being called before the method is used.
FFmpeg show A/native-lib: Could not open input file
fix way:
request permission:
private static final int REQUEST_EXTERNAL_STORAGE = 1;
private static String[] PERMISSIONS_STORAGE 

Visual Studio 2017 离线安装包下载

Create an offline installation folder:
vs_enterprise.exe --layout D:\vs2017offline --lang zh-CN

Install from the offline installation folder:
1 Install the certificates (They are in the Certificates folder, which is in your Layout folder. Simply right-click each one to install it.)
2