Question

How do I update my PreferenceActivity?

I’ve saved in the SharedPreferences the value of my CheckBox in an activity (in that case, true). And even if I go to other activities I can see that it’s true. But, when I go to my PreferenceActivity, the checkbox is not checked, it’s false. So what I want to know is, how do I load my SharedPreferences in my PreferenceActivity, and how do I update the CheckBox (load the value, and if it’s true, set the CheckBox as checked).

Should I load it like this?

Shared Preferences SP = getSharedPreferences(DATA, MODE_PRIVATE);
fw = SP.getBoolean("fw", false);

But, how do I set the CheckBox true or false since I can’t use findViewById?

EDIT:

Activity where I save the CheckBox value:

Editor edit = SP.edit();
edit.putBoolean("fw", fwbt.isChecked());
edit.commit();

My preference xml file:

<CheckBoxPreference
    android:title="CheckBox FW"
    android:key="fw"
    android:summary="Estado do CheckBox" />

My preference Activity:

public class Prefs extends PreferenceActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        addPreferencesFromResource(R.xml.prefs);
        //Don't know what to do here...
    }
}

Answer 1

I can’t find a solution, so I gave up. I’ve just created created a custom Preferences, it’s way easier.

Anyway, I’ll keep looking for a solution for this later.