Android-preference Style Adjustment

<checkboxpreferenceAndroid:defaultvalue= "false" android:layout="? android:attr/preferencelayoutchild"  
Android:key= "Pref_key_mms_group_mms"android:summary= "@string/pref_summary_mms_group_mms"Android:title= "@string/pref_title_mms_group_mms" />        <checkboxpreferenceAndroid:defaultvalue= "false"Android:key= "Pref_key_mms_delivery_reports"android:summary= "@string/pref_summary_mms_delivery_reports"Android:title= "@string/pref_title_mms_delivery_reports" />        <checkboxpreferenceAndroid:defaultvalue= "false"Android:key= "Pref_key_mms_read_reports"android:summary= "@string/pref_summary_mms_read_reports"Android:title= "@string/pref_title_mms_read_reports" />        <checkboxpreferenceAndroid:defaultvalue= "false"Android:key= "Pref_key_mms_auto_reply_read_reports"android:summary= "@string/pref_summary_mms_auto_reply_read_reports"Android:title= "@string/pref_title_mms_auto_reply_read_reports" />

Above this interface, you will find that the first one is different from the other layouts. The body is now, or there is no split line, or the left and right margins are not correct. Just take this off the line, the specific reason, the feeling is

android:layout= "? Android:attr/preferencelayoutchild"

Refers to a system-defined layout file, if removed, is the default self-added

Preferencelayoutchild

is a property in a theme

Android-preference Style adjustment