android dialog Click OK Dialog not disappear

1, need not disappear need to add in the onclick:

try {Java.lang.reflect.Field Field = Alertdialog.getclass (). Getsuperclass (). Getdeclaredfield ("mshowing"); Field.setaccessible (True); Field.set (Alertdialog, false);} catch (Exception e) {e.printstacktrace ();}

　　

2, need to disappear need to add

Setnegativebutton ("Cancel", new Dialoginterface.onclicklistener () {@Overridepublic void OnClick (dialoginterface arg0, int Arg1) {try {Java.lang.reflect.Field Field = Alertdialog.getclass (). Getsuperclass (). Getdeclaredfield ("mshowing"); Field.setaccessible (True); Field.set (Alertdialog, True);} catch (Exception e) {e.printstacktrace ();}}})

　　

android dialog Click OK Dialog not disappear