今天为了好好研究了下@+id/name和@id/name的区别以及联系,又翻了翻文档/guide/topics/resources/layout-resource.html中关于 android:id的介绍, Value for android:id For the ID value, you should usually use this syntax form: "@+id/name". The plus symbol, +, indicates that this is a ne
Any View object may have an integer ID associated with it, to uniquely identify the View within the tree. When the application is compiled, this ID is referenced as an integer, but the ID is typically assigned in the layout XML file as a string, in t