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AppInventor2拍照的照片Base64编码报错，选择的图片没有问题 - App应用开发...
完整代码块如下：
这是在真机上测试的：
Pursuer丶:
AI伴侣测试一样的错
应该是文件没读到 fis为空
然后后用用null.compress 报错了
我用FileTool那个插件 现把文件拷贝出来 然后再调用 就可以了。
具体实现步骤...
App Inventor 2 连接打印机（Printer），自定义打印的实现 - App Inventor ...
...功能一样，调出其他的App并向其发送要分享的数据。
AppInventor2,信息分享器,打印机
Is there a minlength validation attribute in HTML5?
... Aug 12 '13 at 11:02
Ali ÇarıkçıoğluAli Çarıkçıoğlu
1,24611 gold badge1212 silver badges2121 bronze badges
...
Efficiently replace all accented characters in a string?
...,
"ᵬ":"b",
"ᶀ":"b",
"ƀ":"b",
"ƃ":"b",
"ɵ":"o",
"ć":"c",
"č":"c",
"ç":"c",
"ḉ":"c",
"ĉ":"c",
"ɕ":"c",
"ċ":"c",
"ƈ":"c",
"ȼ":"c",
"ď":"d",
"ḑ":"d",
"ḓ":"d",
"ȡ":"d",
"ḋ":"d",
"ḍ":"d",
"ɗ":"d",
"ᶑ":"d",
"ḏ":"d",
"ᵭ":"d",
"ᶁ":"d",
"đ":"d",
"ɖ":"d",
"ƌ":"d",
"ı":"i...
How do I get a consistent byte representation of strings in C# without manually specifying an encodi
...st string data = "A string with international characters: Norwegian: ÆØÅæøå, Chinese: 喂 谢谢";
var bytes = System.Text.Encoding.UTF8.GetBytes(data);
var decoded = System.Text.Encoding.UTF8.GetString(bytes);
Don't reinvent the wheel if you don't have to...
...
How can I perform a culture-sensitive “starts-with” operation from the middle of a string?
...o characters irrespective of casing. For example, under the en-US culture, æ is equal to ae, and ffi is equal to ffi. C-normalization does not handle ligatures at all, since it only allows compatibility mappings (which are typically restricted to combining characters).
– Dougl...
2026 新年第一篇：即将全面支持苹果iOS App编译生成，纯血鸿蒙计划中，编译...
目前AppInventor2苹果iOS方案已经验证ok，即将发布上线。
但是 iOS的拓展和安卓的完全不通用，目前尚不支持有拓展的aia源码，AI伴侣测试和ipa编译都不支持带拓展的源码。
但是我们会逐步推进最常见的拓展适配iOS，比如 Bluetoo...
Teachable Machine 图像分类扩展 · App Inventor 2 中文网
...式（对已有图片分类）两种输入模式。
下载：
edu.mit.appinventor.ai.teachablemachine.aix
属性
ModelLink 模型链接
设置 Teachable Machine 模型的 URL 链接。该链接必须是从 Google Teachable Machine 导出的模型链接，格式为...
Teachable Machine 图像分类扩展 · App Inventor 2 中文网
...式（对已有图片分类）两种输入模式。
下载：
edu.mit.appinventor.ai.teachablemachine.aix
属性
ModelLink 模型链接
设置 Teachable Machine 模型的 URL 链接。该链接必须是从 Google Teachable Machine 导出的模型链接，格式为...
Case insensitive XPath contains() possible?
...ÛÇÅÏÕÑŒ', 'abcdefghijklmnopqrstuvwxyzäöüéèêàáâòóôùúûçåïõñœ'),'foo')]");
– Stefan Steiger
Nov 29 '13 at 9:34
1
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