1// Rule: UselessLayout 2// 3// Description: Checks whether current node can be removed. 4// 5// Conditions: 6// - The node has children 7// - The node does not have siblings 8// - The node's parent is not a scroll view (horizontal or vertical) 9// - The node does not have a background or its parent does not have a 10// background or neither the node and its parent have a background 11// - The parent is not a <merge/> 12 13if (!node.isRoot() && !(node['..'].name() in ["ScrollView", "HorizontalScrollView"]) && 14 node['..']['*'].size() == 1 && node['*'].size() > 0 && ((node.'@android:background' || 15 node['..'].'@android:background') || (!node.'@android:background' && 16 !node['..'].'@android:background'))) { 17 analysis << "This ${node.name()} layout or its ${node['..'].name()} parent is " + 18 "${node['..'].'@android:id' ? "possibly useless" : "useless"}" 19} 20