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Fix subtext didn't change after toggle changed

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Add the ContentObserver to monitor the key value changed in the Settings.System.

Fixes: 140475264
Test: manual test
Test: make RunSettingsRoboTests -j ROBOTEST_FILTER=com.android.settings.display
Change-Id: I3018498ae32fb282bc180db7864a9813a168b9c0
This commit is contained in:
Sunny Shao
2019-09-04 18:24:18 +08:00
parent 9415f4d312
commit 5d33399101
1 changed files with 38 additions and 3 deletions
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41
src/com/android/settings/display/AutoBrightnessPreferenceController.java
View File

@@ -18,17 +18,34 @@ import static android.provider.Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC;
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);
}
@@ -55,10 +72,28 @@ public class AutoBrightnessPreferenceController extends TogglePreferenceControll
: 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);
}
}