Merge "Fix subtext didn't change after toggle changed"

import static android.provider.Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL;

import android.content.Context;

import android.database.ContentObserver;

import android.os.Handler;

import android.os.Looper;

import android.provider.Settings;

import androidx.preference.Preference;

import androidx.preference.PreferenceScreen;

import com.android.settings.R;

import com.android.settings.core.TogglePreferenceController;

import com.android.settingslib.core.lifecycle.LifecycleObserver;

import com.android.settingslib.core.lifecycle.events.OnStart;

import com.android.settingslib.core.lifecycle.events.OnStop;

public class AutoBrightnessPreferenceController extends TogglePreferenceController {

public class AutoBrightnessPreferenceController extends TogglePreferenceController implements

        LifecycleObserver, OnStart, OnStop {

    private final String SYSTEM_KEY = SCREEN_BRIGHTNESS_MODE;

    private final int DEFAULT_VALUE = SCREEN_BRIGHTNESS_MODE_MANUAL;

    private Preference mPreference;

    private ContentObserver mContentObserver =

            new ContentObserver(new Handler(Looper.getMainLooper())) {

                @Override

                public void onChange(boolean selfChange) {

                    refreshSummary(mPreference);

                }

            };

    public AutoBrightnessPreferenceController(Context context, String key) {

        super(context, key);

    }

                : UNSUPPORTED_ON_DEVICE;

    }

    @Override

    public void displayPreference(PreferenceScreen screen) {

        super.displayPreference(screen);

        mPreference = screen.findPreference(getPreferenceKey());

    }

    @Override

    public CharSequence getSummary() {

        return mContext.getText(isChecked()

                ? R.string.auto_brightness_summary_on

                : R.string.auto_brightness_summary_off);

    }

    @Override

    public void onStart() {

        mContext.getContentResolver().registerContentObserver(

                Settings.System.getUriFor(SYSTEM_KEY), false /* notifyForDescendants */,

                mContentObserver);

    }

    @Override

    public void onStop() {

        mContext.getContentResolver().unregisterContentObserver(mContentObserver);

    }

}