Hello,
i want to save important data. If the user rotate the device, the
activity will be recreated (or i have to use the
onConfigurationChanged-method).
I want to save an instance of a class and some Location variables. I
can save all integer values of one Location variable, but this is a
dirty way and i have still the problem with my instance variable.
So i hoped, that the following code would work, but this is not the
case (save the string representation and get the values back with a
cast of the string representation):
public void onSaveInstanceState(Bundle savedInstanceState) {
super.onSaveInstanceState(savedInstanceState);
savedInstanceState.putString("sh", sh.toString());
savedInstanceState.putString("last", last.toString());
......
}
public void getSaveInstanceState(Bundle savedInstanceState)
{
if (savedInstanceState!=null)
{
........
sh = (SaveHelper)savedInstanceState.get("sh");
last = (Location)savedInstanceState.get("last");
.......
}
}
Or must I use the onRetainNonConfigurationInstance()-function?? But
there i only get one return value?!?
And if I use the onConfigurationChanged-function and
android:configChanges="keyboardHidden|orientation" in my
AndroidManifest.xml, the app will recreate after other configuration
changes, too....
So what is the best way for me??
Thanks,
Stefan
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