@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
ContentResolver resolver = getActivity().getContentResolver();
addPreferencesFromResource(R.xml.display_settings);
mDisplayRotationPreference = (PreferenceScreen) findPreference(KEY_DISPLAY_ROTATION);
mScreenSaverPreference = findPreference(KEY_SCREEN_SAVER);
if (mScreenSaverPreference != null
&& getResources().getBoolean(com.android.internal.R.bool.config_dreamsSupported) == false) {
getPreferenceScreen().removePreference(mScreenSaverPreference);
}
mScreenTimeoutPreference = (ListPreference) findPreference(KEY_SCREEN_TIMEOUT);
final long currentTimeout =
Settings.System.getLong(resolver, SCREEN_OFF_TIMEOUT, FALLBACK_SCREEN_TIMEOUT_VALUE);
mScreenTimeoutPreference.setValue(String.valueOf(currentTimeout));
mScreenTimeoutPreference.setOnPreferenceChangeListener(this);
disableUnusableTimeouts(mScreenTimeoutPreference);
updateTimeoutPreferenceDescription(currentTimeout);
updateDisplayRotationPreferenceDescription();
mFontSizePref = (WarnedListPreference) findPreference(KEY_FONT_SIZE);
mFontSizePref.setOnPreferenceChangeListener(this);
mFontSizePref.setOnPreferenceClickListener(this);
mDisplayManager = (DisplayManager) getActivity().getSystemService(Context.DISPLAY_SERVICE);
mWifiDisplayStatus = mDisplayManager.getWifiDisplayStatus();
mWifiDisplayPreference = (Preference) findPreference(KEY_WIFI_DISPLAY);
if (mWifiDisplayStatus.getFeatureState() == WifiDisplayStatus.FEATURE_STATE_UNAVAILABLE) {
getPreferenceScreen().removePreference(mWifiDisplayPreference);
mWifiDisplayPreference = null;
}
mVolumeWake = (CheckBoxPreference) findPreference(KEY_VOLUME_WAKE);
if (mVolumeWake != null) {
if (!getResources().getBoolean(R.bool.config_show_volumeRockerWake)) {
getPreferenceScreen().removePreference(mVolumeWake);
getPreferenceScreen()
.removePreference((PreferenceCategory) findPreference(KEY_WAKEUP_CATEGORY));
} else {
mVolumeWake.setChecked(
Settings.System.getInt(resolver, Settings.System.VOLUME_WAKE_SCREEN, 0) == 1);
}
}
}
@Override
public void onResume() {
super.onResume();
updateDisplayRotationPreferenceDescription();
RotationPolicy.registerRotationPolicyListener(getActivity(), mRotationPolicyListener);
// Display rotation observer
getContentResolver()
.registerContentObserver(
Settings.System.getUriFor(Settings.System.ACCELEROMETER_ROTATION),
true,
mAccelerometerRotationObserver);
if (mWifiDisplayPreference != null) {
getActivity()
.registerReceiver(
mReceiver, new IntentFilter(DisplayManager.ACTION_WIFI_DISPLAY_STATUS_CHANGED));
mWifiDisplayStatus = mDisplayManager.getWifiDisplayStatus();
}
updateState();
}
public static boolean deviceSupportsWifiDisplay(Context ctx) {
DisplayManager dm = (DisplayManager) ctx.getSystemService(Context.DISPLAY_SERVICE);
return (dm.getWifiDisplayStatus().getFeatureState()
!= WifiDisplayStatus.FEATURE_STATE_UNAVAILABLE);
}