大约有 18,900 项符合查询结果(耗时:0.0474秒) [XML]

https://bbs.tsingfun.com/thread-1779-1-1.html 

1、如果自定义错误提示?2、网络接口连接错误导致程序经常有卡死的现象如何...

...经常有卡死的现象,请问如何解决?第一个问题请参考:https://bbs.tsingfun.com/thread-1730-1-1.html 第二个问题请参考:https://bbs.tsingfun.com/thread-1810-1-1.html
https://bbs.tsingfun.com/thread-1788-1-1.html 

有没有关于CRC校验的扩展? - App Inventor 2 拓展 - 清泛IT社区,为创新赋能!

...是有现成的 CRC 拓展,我稍后找一下再上传{:8_384:}参考:https://community.appinventor.mit.edu/t/can-someone-help-me-reproduce-this-code-using-the-blocks/60372/15CRC16 算法有多种,本扩展以 ASCII 格式接收数据并以 CRC16/CCITT-FALSE 格式给出结果。在线计算CR...
https://bbs.tsingfun.com/thread-1801-1-1.html 

【动图】AppInventor2如何播放gif动图?如何播放动画? - App Inventor 2 ...

...器即停止播放动画。[/hide] 或者使用KIO4_AnimatedGif拓展:https://bbs.tsingfun.com/thread-1943-1-1.html 学习学习离线gif图片有办法么?引用: james 发表于 2024-08-07 13:49 离线gif图片有办法么? 通过拓展可以实现:https://bbs.tsingfun.com/thread-19...
https://bbs.tsingfun.com/thread-1805-1-1.html 

MIT官方已升级至2.71版本,几乎就是仅增加一个全新主题 - App Inventor 2 ...

...or. Note: Sites with restrictive firewalls will need to unblock access to https://.appinv.net (where the “” means any site name). This domain (appinv.net) is used exclusively to distribute the code of MIT App Inventor. Different host names are used for different versions. Bug Fixes: Fix a 4...
https://bbs.tsingfun.com/thread-1823-1-1.html 

语音识别 报错问题:No Activity found to handle intent { act=android.sp...

语音识别仿真报错,安装到手机端也报错https://www.fun123.cn/reference/info/#AppEntry 请参考一下这个教程,你上面报错的原因是手机上没有安装语音识别引擎,这里推荐“讯飞语音+”,下载地址:https://www.pgyer.com/yyyq
https://bbs.tsingfun.com/thread-1836-1-1.html 

系统界面增强扩展 - KevinkunEnhance - App Inventor 2 拓展 - 清泛IT社区,为创新赋能!

...更多可能等你去发现~~~下载链接cn.kevinkun.KevinkunEnhance.aixhttps://wangsk789.github.io/enhance/assets/20250303_120235.aix 来源:https://kevinkun.cn/enhance https://wangsk789.github.io/enhance/
https://bbs.tsingfun.com/thread-1858-1-1.html 

app inventor如何实现手机的熄屏和打开屏幕 - App Inventor 2 拓展 - 清泛I...

...展,调整手机屏幕亮度的拓展,请自行研究一下,谢谢 https://bbs.tsingfun.com/thread-1862-1-1.html 保持屏幕常亮不息屏参考这个拓展: https://bbs.tsingfun.com/thread-1861-1-1.html
https://bbs.tsingfun.com/thread-1943-1-1.html 

KIO4_AnimatedGif:Gif 动画扩展,可点击,可设置透明背景 - App Inventor ...

...问题来了,如何展示动图/动画效果呢?有2种思路参考:https://bbs.tsingfun.com/thread-1801-1-1.html 当然,也可以使用本文介绍的这款拓展~ Gif 动画扩展,可点击,可设置透明背景,效果如下: 参考代码块: 来源:https://commun...
https://bbs.tsingfun.com/thread-1953-1-1.html 

BLE UUID是对的但连接闪退:java.lang.IllegalArgumentException: UUID str...

...he BLE extension to be more robust to the Java 11 constraints. 来源:https://community.appinventor.mi ... android-14/124432/3 因此使用java11 编译出来的ble拓展即可解决这个问题,请使用最新编译出来的拓展(版本20240822):https://www.fun123.cn/reference/iot/b...
https://bbs.tsingfun.com/thread-1987-1-1.html 

Invoke: no method named `…………’ in class java.lang.Boolean - App I...

...cks present...and it works... Maybe it helps someone. 来自英文社区:https://community.appinventor.mi ... -lang-boolean/80918 可能原因2:可能是测试用AI伴侣版本低了导致的,升级AI伴侣到最新版即可。 Invoke: no method named `ShowTextDialog’ in class java.la...