[0.0.7] adjust layout of toast support input [0.0.6] add Options.getIndex and Options.getLabel [0.0.5] add Alert.select [0.0.4] 修复一个bug [0.0.3] 使用CupertinoAlertDialog 提供pick方法,选择一系列字符串值 提供EasyPicker组件,点击后选择一系列值 [0.0.1] * support basic usage: alert ,confirm, toast