多线程空指针异常 Exception in thread "AsyncTask2" Exception in thread "AsyncTask1" java.lang.NullPointerExce
写了一个多线程方法,调用一个单线程不报错的方法,一直在抛Exception in thread "AsyncTask2" Exception in thread "AsyncTask1" java.lang.NullPointerException
后来在调用外面套了try catch解决
写了一个多线程方法,调用一个单线程不报错的方法,一直在抛Exception in thread "AsyncTask2" Exception in thread "AsyncTask1" java.lang.NullPointerException
后来在调用外面套了try catch解决