大约有 1,000 项符合查询结果(耗时:0.0080秒) [XML]
“列表显示框”中的列表选项点不动? - App Inventor 2 中文网 - 清泛IT社...
转会员Adonise提问:
BLE设备列表显示在“列表显示框”中,测试时列表中的选项点不动?
建议可以先用排除法:新建一个项目,列表显示框加几个测试项,看能否点的动。
新项目手机点不动的话,换模拟器试试。便于找到...
App Inventor 2内置块中列表逐个执行(列表如何遍历)? - App Inventor 2 ...
列表代码块中没有提供遍历的方法,遍历逻辑在控制代码块中,提供 2 种遍历方式:方法1:控制代码块 > 从列表循环 对于无需知道列表当前遍历的下标索引,用这种最好[hide][/hide]方法2:控制代码块 > 从范围循环 典型的使...
AppInventor2列表显示框中列表项背景颜色可以定制吗? - App Inventor 2 中...
问:列表显示框中,能不能设置 奇数项背景颜色 是黄色 偶数项背景是红色?答:App Inventor 2 原生“列表显示框”组件只能设置一个整体的背景颜色,不能定制每个列表项的背景颜色。
要做到这一点,请使用高级拓展...
App Inventor 2 列表排序,函数式编程轻松实现高级排序算法 · App Inventor 2 中文网
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App Inventor 2 列表排序,函数式编程轻松实现高级排序算法
基本数据类型(文本和数字)升序
基本数据类型(文本和数字)降序
复杂结构类型中...
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It'll be good to see the csv file itself, but this might work for you, give it a try, replace:
file_read = csv.reader(self.file)
with:
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Or, open a file with universal newline mode and pass...
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