Help requested understanding Java Reflection --> Android ParcelableContainer?

Reflection should be used sparingly, or not at all if it can be avoided, and especially not as a way to hack around good design principles. That being said, it can also be useful in certain situations getDeclaredFields can return all types of fields while getFields only returns fields marked public The reason your test returns the same thing is that you're using getDeclaredFields in both statements how I get the value of 'myID You can only do that by operating on an instance of a class. E.

G T t = ... Field field = t.getClass(). GetDeclaredField("myID"); field. SetAccessible(true); String value = (String) field.

Get(t).

Reflection should be used sparingly, or not at all if it can be avoided, and especially not as a way to hack around good design principles. That being said, it can also be useful in certain situations ... getDeclaredFields can return all types of fields while getFields only returns fields marked public. The reason your test returns the same thing is that you're using getDeclaredFields in both statements.

How I get the value of 'myID' You can only do that by operating on an instance of a class. E.g. , T t = ... Field field = t.getClass().

GetDeclaredField("myID"); field. SetAccessible(true); String value = (String) field. Get(t).

Thx, Youre are right with everything you said. But as I wrote it is only for testing and learning purposes. – Rafael T Feb 19 at 17:37.

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