我怎么能告诉ProGuard保持我classmembers？

How can I tell proguard to keep my classmembers?

我需要他们JSON兼容性...

I need them for JSON compatibility...

这是我的类：

package com.tools.app.holiday;

public class Holiday {  

    private String name;

    private Calendar dateFrom = Calendar.getInstance();

    private Calendar dateTo = Calendar.getInstance();

    ...

我已经尝试过，但它不工作...

I already tried, but it doesnt work...

-keepclassmembers class com.tools.app.holiday.Holiday 

-keepclassmembers class com.tools.app.holiday.Holiday *{
    private String name;    
    private Calendar dateFrom;
    private Calendar dateTo;
}

我还实施serialisable和做的：

I also implemented serialisable and did:

-keepclassmembers class * implements java.io.Serializable {

但是，这一切并没有让我的成员名称。 Proguard的总是变化IST为A，B，C :-(我缺少什么？

But it all doesn't keep my member names. Proguard always changes ist to a, b, c :-( What am I missing?

推荐答案

所有的类名必须是完全合格的：

All class names must be fully qualified:

-keepclassmembers class com.tools.app.holiday.Holiday {
    private java.lang.String name;    
    private java.util.Calendar dateFrom;
    private java.util.Calendar dateTo;
}

在默认情况下，即使ProGuard的打印出的消息，如果你忘记这一点。

By default, ProGuard even prints out messages if you forget this.