3.0 马里奥打印机初始化callback 赋值

lib_print/lib_mla80_print/src/main/java/com/hh/lib_mla80_print/MlaPrinter.java

@@ -48,7 +48,7 @@ public class MlaPrinter extends BasePrinter {
 
     @Override
     public void initPrint(PrintInitResultCallback printInitResultCallback) {
-
+        this.printInitResultCallback = printInitResultCallback;
         init();
     }
     private void init(){