titanium api: view 的子类
访问量: 2383
继承它的有： WebView, Window, Toolbar, TextField, TextArea, TableView, TableViewRow,
Tab, TabGroup, TabbedBar, Switch, Slider, SearchBar,
ScrollView, ScrollableView,
ProgressBar, Picker, PickerColumn,
Notification, MaskedImage,
ListView, Label, ImageView, DashboardView, CoverflowView,
Button, ButtonBar,