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 13 if (!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
