已解决
Caused by: android.system.ErrnoException: android_getaddrinfo failed: EACCES (Permission denied)
android_getaddrinfo failed:安卓获取信息失败 EACCES (Permission denied):没有权限
没有网络访问权限 原因是我的AndroidManifest.xml里面没有添加联网权限,添加下述代码即可
<uses-permission android:name="android.permission.INTERNET" />
Caused by: android.system.GaiException: android_getaddrinfo failed: EAI_NODATA (No address associated with hostname)