how to know if a switch is on / off in Android Switch Preference?

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how to know if a switch is on / off in Android Switch Preference?

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#1 by (0 votes)

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I want to know if the switch is activated or destactivated when I clicked on it. I have the following:

enable_social_recommendations = (Preference) findPreference("enable_social_recommendations");
                    enable_social_recommendations.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
            @Override
            public boolean onPreferenceClick(Preference preference) {

                // aqui que deberia hacer para comprobar si al momento de hacer click esta ono activado el switch???

                return true;


            }
        });

android sharedpreferences

asked by Thagan 09.02.2017 в 02:10

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1 answer

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score 0 · Accepted Answer

Reviewing your code, you are using the class Preference and by means of onPreferenceClick() , you can not get a status you just get the preference and its value.

onPreferenceClick () Called when you clicked on a preference.

Instead, if you would use SwitchPreference through onPreferenceChange () you can determine when a preference change is made.

SwitchPreference estado = (SwitchPreference) findPreference("estado");
estado.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
    @Override
    public boolean onPreferenceChange(Preference preference, Object newValue) {
            if(!((Boolean) newValue)) {
                Log.i("Preferencias", "NO ACTIVADO.");
            } else {
                Log.i("Preferencias", "ACTIVADO.");
            }
            return true;
    }
});

This is an example of how the SwitchPreference would be declared within the layout:

<?xml version="1.0" encoding="utf-8"?>
<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android" >
    <PreferenceCategory android:title="Mis Preferencias" >
        <SwitchPreference
            android:key="estado"
            android:title="verifica el valor del estado" />
    </PreferenceCategory>
</PreferenceScreen>

When making a change in the Switch you could detect the change within onPreferenceChange() , in the case of the example that I will indicate if it is activated or deactivated the Switch .