java.lang.NullPointerException: Attempt to invoke virtual method 'int com.example.xxx.Json.NewsBean.getError_code()' on a null object reference错误解决

AS在运行的过程中出现了错误:

java.lang.NullPointerException: Attempt to invoke virtual method 'int com.example.xxx.Json.NewsBean.getError_code()' on a null object reference

AS会报异常：异常：No Network Security Config specified, using platform default。是高版本联网失败的问题

解决办法:在清单配置文件中加上android:usesCleartextTraffic="true"