在Android FTP中实现的断点续传,但是续传一直失败,报错如下
java.lang.NullPointerException: Attempt to invoke virtual method 'void java.io.OutputStream.write(byte[], int, int)' on a null object reference
在Android FTP中实现的断点续传,但是续传一直失败,报错如下
java.lang.NullPointerException: Attempt to invoke virtual method 'void java.io.OutputStream.write(byte[], int, int)' on a null object reference