DatePreference ClassCastException fixed and minor improvement - #3
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Before this fix, retrieving the value before the preferences page was opened at least once, the getDateFor() would return 1.1.1970 instead of the configured default value in the XML declaration.
When the screen is rotated, it seems that a different state is handed to onRestoreInstanceState(). Using the defaultValue() in this case.
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Hi,
I fixed a ClassCastException in DatePreference which occured if the device was rotated while the DatePreference was shown. I don't know Android well enough to know why the Parcelable state in onRestoreInstanceState is not the correct SavedState class, but I know that the current code must fail with a ClassCastException (you checked for the class, and casted after you knew it wasn't of the correct type).
I also added an overload for getDateFor() that allows specifying a default value to use in case the DatePreference was never opened in a PreferenceScreen before, as in this case it will always use the default value 1970-01-01.
Hope you find the changes useful.
Best regards,
Martin