Android hides Preference and PreferenceGroup

Property layout file test. xml [html] <PreferenceScreen xmlns: android = "http://schemas.android.com/apk/res/android"> <PreferenceCategory android: key = "base" android: title = "test"> <CheckBoxPreference android: key = "sub01"/> <CheckBoxPreference android: key = "sub02"/> </strong> </PreferenceScreen> hide Preference and PreferenceGroup [html] PreferenceGroup base = (PreferenceGroup) findPreference ("base"); Preference sub01 = findPreference ("sub01"); hide Preference: [java] www.2cto. combase. removePreference (sub01); if you want to hide the entire PreferenceGroup group, it includes sub01 and sub02 [java] base. removeAll ();