ClearFragment.java

package io.github.mthli.Ninja.Fragment;

import android.content.SharedPreferences;
import android.os.Bundle;
import android.preference.PreferenceFragment;
import io.github.mthli.Ninja.R;

public class ClearFragment extends PreferenceFragment implements SharedPreferences.OnSharedPreferenceChangeListener {
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        addPreferencesFromResource(R.xml.preference_clear);
    }

    @Override
    public void onResume() {
        super.onResume();
        SharedPreferences sp = getPreferenceScreen().getSharedPreferences();
        sp.registerOnSharedPreferenceChangeListener(this);
    }

    @Override
    public void onPause() {
        super.onPause();
        getPreferenceScreen().getSharedPreferences().unregisterOnSharedPreferenceChangeListener(this);
    }

    @Override
    public void onSharedPreferenceChanged(SharedPreferences sp, String key) {}
}