In Android improvement, '@ string / hello', '@android: colour / darker_gray', '@ + id / title', '? A

1. data recovery software have a look at this, @ string / hello, the syntax of this really is: @ [package_nameresource_typeresource_name, where the package name is optional, as well as the representative resource is inside your own package, as shown inside the example inside the following figure

2. Then '@android: the site / darker_gray', compared with the preceding a single, it has more 'android:', the syntax is definitely the similar, it implies that it refers to program resources.

3. '@ + id / title', using a plus sign, represents a reference or creation, if it does not exist, it truly is developed, if it exists, it is actually quoted.

four. '? Android: attr / textAppearanceSmall', the syntax is? [ hard drive data recovery software :] [resource_typeresource_name, which refers towards the style attribute resource in the theme.

five. The resource sort in step four can be omitted. hard drive data recovery can be written like this:? Android: textAppearanceSmall