大约有 830 项符合查询结果（耗时：0.0106秒） [XML]
打包后logo png图片显示带背景色，怎么实现镂空色 - App应用开发 - 清泛IT...
...图片这种样式，实现镂空LOGO请附上截图看一下，谢谢App Inventor 2 发表于 2024-07-29 06:53
请附上截图看一下，谢谢
PNG 镂空 图标
经过测试，使用透明背景的 .png 图片作为App的图标，可以实现镂空效果：
比如：app.png
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BLE 接收BLE模块发来的信息 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...，如果遇到具体的问题，请再继续跟帖提问，谢谢。App Inventor 2 发表于 2024-09-24 16:15
ble 设备连接，发送数据到硬件请参考：https://bbs.tsingfun.com/thread-1844-1-1.html
读取ble数据并显示 ...
请问一下 我这边可以显示数据 &nb...
横屏布局和手机不太一样 - App应用开发 - 清泛IT社区，为创新赋能！
...以参考一下：https://bbs.tsingfun.com/thread-1982-1-1.html引用: App Inventor 2 发表于 2024-10-17 13:12
要通过水平/垂直布局进行相对定位，部分尺寸需要进行动态计算。
有个布局案例可以参考一下：https://bbs.ts ...
好的，多谢
短信验证码输入比对逻辑编写 - App应用开发 - 清泛IT社区，为创新赋能！
...以考虑引入一个1分钟验证码过期的定时器就更佳了！App Inventor 2 发表于 2024-10-24 15:09
问题在于你的验证码生成了2次，两次随机值肯定是不一样啊。
解决：用一个全局变量，点发送验证码的时候，存 ...
那具体要怎么实...
安全工具将程序标记为病毒 - App应用开发 - 清泛IT社区，为创新赋能！
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要上架应用商店或不报病毒的话，需要申诉，不光是AppInventor编译出来的App，原生开发的App也是需要申诉的。申诉了，但回复是不通过，尊敬的开发者：
非常感谢您对管家的反馈与支持，经审核，您的申诉处理结果如下：
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Is it .yaml or .yml?
...acter extension becoming the one in predominant use for YAML—despite the inventors' preference.
".YML" seems to be the de facto standard. Yet the same inventors were perceptive and correct, about the world's need for a human-readable data language. And we should thank them for providing it.
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“loop:” in Java code. What is this, and why does it compile?
...throw an exception. But this is occasionally useful.
Frankly, I think the inventors of Java included this feature because between this and exception handling, they eliminated the last two legitimate uses for GOTO.
Very late addendum:
I saw a great gag line of code once. The programmer wrote:
h...
Showing empty view when ListView is empty
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any idea how to do that in app inventor?
– JinSnow
Mar 26 '15 at 16:56
add a comment
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Create table with jQuery - append
...hank you! I used your JavaScript version to display a dynamic table in App Inventor puravidaapps.com/table.php
– Taifun
Aug 15 '12 at 18:56
2
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Can we omit parentheses when creating an object using the “new” operator?
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@ack Well, it would be odd not to see the language's inventors showcase certain features of their language (in this case, the option to omit parentheses on constructors). If they hadn't added the feature, we wouldn't be asking whether it should be used in the first place. A pra...