BatteryLightSettings.java 文件源码

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    addPreferencesFromResource(R.xml.battery_light_settings);

    PreferenceScreen prefSet = getPreferenceScreen();

    PreferenceGroup mGeneralPrefs = (PreferenceGroup) prefSet.findPreference("general_section");

    mLightEnabledPref = (CMSystemSettingSwitchPreference) prefSet.findPreference(LIGHT_ENABLED_PREF);
    mPulseEnabledPref = (CMSystemSettingSwitchPreference) prefSet.findPreference(PULSE_ENABLED_PREF);

    if (!getResources().getBoolean(com.android.internal.R.bool.config_ledCanPulse) ||
            getResources().getBoolean(org.cyanogenmod.platform.internal.R.bool.config_useSegmentedBatteryLed)) {
        mGeneralPrefs.removePreference(mPulseEnabledPref);
    }

    // Does the Device support changing battery LED colors?
    if (getResources().getBoolean(com.android.internal.R.bool.config_multiColorBatteryLed)) {
        setHasOptionsMenu(true);

        // Low, Medium and full color preferences
        mLowColorPref = (ApplicationLightPreference) prefSet.findPreference(LOW_COLOR_PREF);
        mLowColorPref.setOnPreferenceChangeListener(this);

        mMediumColorPref = (ApplicationLightPreference) prefSet.findPreference(MEDIUM_COLOR_PREF);
        mMediumColorPref.setOnPreferenceChangeListener(this);

        mFullColorPref = (ApplicationLightPreference) prefSet.findPreference(FULL_COLOR_PREF);
        mFullColorPref.setOnPreferenceChangeListener(this);
    } else {
        prefSet.removePreference(prefSet.findPreference("colors_list"));
        resetColors();
    }
}