TabBar與Push相反,他以底部為導航 以頭部為內容區域,如圖:
打開stZ喎?/kf/ware/vc/" target="_blank" class="keylink">vcnlib2FyZM7EvP6jrLS0vajSu7j2VUlUYWJCYXJDb250cm9sbGVyzsS8/rW9u62w5dbQo6zErMjPtPjByzK49iBVSVZpZXdDb250cm9sbGVyo6y4+b7d0OjSqs3Ptq+78tXfyb6z/VVJVmlld0NvbnRyb2xsZXKjrDwvcD4KPHA+yOe6zrnYwarL+8PHo6zI5828IKO6PC9wPgo8cD48aW1nIHNyYz0="/uploadfile/Collfiles/20140708/2014070808560120.png" width="582" height="530" alt="\">
並且 底部的樣式由每個UIViewController樣板決定,如圖: