需求:隐藏安全性和位置信息下的安全更新二级条目
系统:Android8.1
代码地址:MtkSettings/src/com/android/settings/SecuritySettings.java
java
private PreferenceScreen createPreferenceHierarchy() {
....
PreferenceGroup securityStatusPreferenceGroup =
(PreferenceGroup) root.findPreference(KEY_SECURITY_STATUS);
final List<Preference> tilePrefs = mDashboardFeatureProvider.getPreferencesForCategory(
getActivity(), getPrefContext(), getMetricsCategory(),
CategoryKey.CATEGORY_SECURITY);
int numSecurityStatusPrefs = 0;
if (tilePrefs != null && !tilePrefs.isEmpty()) {
for (Preference preference : tilePrefs) {
if (!TextUtils.isEmpty(preference.getKey())
&& preference.getKey().startsWith(SECURITY_STATUS_KEY_PREFIX)) {
// Injected security status settings are placed under the Security status
// category.
securityStatusPreferenceGroup.addPreference(preference);
numSecurityStatusPrefs++;
} else {
// Other injected settings are placed under the Security preference screen.
root.addPreference(preference);
}
}
}
....
}
打印log
分别对应:
保护机制、查找设备、安全更新
添加过滤即可
- 系统Android9.0不一样,修改待定