1 00:00:00,350 --> 00:00:02,330 好 现在轮到你了 2 00:00:02,330 --> 00:00:07,650 添加 layout-sw600dp-port/activity_main.xml 3 00:00:07,650 --> 00:00:11,000 首先在讲师注释里获取初始代码 4 00:00:11,000 --> 00:00:13,510 然后将相对布局用作根布局 5 00:00:13,510 --> 00:00:16,360 用三个视图组成应用栏 6 00:00:16,360 --> 00:00:20,390 用详细信息视图覆盖底部应用栏视图 7 00:00:20,390 --> 00:00:23,220 将预报视图置于应用栏下 8 00:00:23,220 --> 00:00:24,110 就这么多 9 00:00:25,280 --> 00:00:27,700 注意 对要在应用栏中替换的三个视图的高度 10 00:00:27,700 --> 00:00:30,060 使用前一张幻灯片中的维度