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How do I detect when someone shakes an iPhone?
...er, you want to set this view to become first responder:
- (void) viewWillAppear:(BOOL)animated
{
[shakeView becomeFirstResponder];
[super viewWillAppear:animated];
}
- (void) viewWillDisappear:(BOOL)animated
{
[shakeView resignFirstResponder];
[super viewWillDisappear:animated];
}
...
Dialog to pick image from gallery or from camera
...g a photo. Just show a dialog with two options and upon selection, use the appropriate code.
To take picture from camera:
Intent takePicture = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
startActivityForResult(takePicture, 0);//zero can be replaced with any action code (called requestCode)
To p...
【二进制】UrsAI2ByteArray 字节数组扩展：读写二进制数据，二进制文件读写...
...一个元素的索引）可以使用Base属性设置。可能的值为1（App Inventor中常用）或0（Java或C中常用）。组件以空数组开始，这意味着它不包含任何元素。可以使用以下方法添加元素：AddByte（无符号8位数字[0..255]）AddWord（无符号16位数...
ble蓝牙怎么接收中文 - App Inventor 2 拓展 - 清泛IT社区，为创新赋能！
...//www.fun123.cn/reference/iot/bluetooth_codec.html
保证单片机侧和App侧一致的中文编码方式即可。盲猜BLE中应该是UTF8编码，单片机GB2312编码。
'System.Net.Http.HttpContent' does not contain a definition for 'ReadAsAsync' and no extension metho
I made a console app to consume a Web API I just made. The console app code does not compile. It gives me the compilation error:
...
界面很多按钮时，如何获取当前被点击的按钮的文本？ - App Inventor 2 中文...
...己定义一个文本变量把每次的文本拼接上。
开发计算器App的话，通常做法定义一个前值，一个后值，当按下符号后进行切换，最终前值、符号、后值就能计算最终结果了。
Async Image Loader Extension：异步图像加载器扩展 - App Inventor 2 拓展...
...r(--secondary-high)]512×512 8.95 KB
AsyncImage
An extension for MIT App Inventor 2.
Simple asynchronous image loader extension to load image asynchronously in an image or arrangement component with circular image. This is a simple, light weight and fast async image loader since it does not...
PDOException SQLSTATE[HY000] [2002] No such file or directory
...ad and connects to mysql via socket. I removed the socket config within my app/database.php file. Problem solved
– borislemke
Jan 29 '16 at 6:06
...
App Inventor 2 最新QA汇总 - App Inventor 2 中文网 - 清泛IT社区，有思想、有深度
Q：App Inventor 2 中文网和电教馆的网站有什么区别？
A：电教馆的网站基于AI伴侣2.2x版本，代码版本过旧（约5年前）。相应地，文档也过旧，而且仍然是英文的，没有中文化，参考意义不大。
中文网2023/03 通过过一次MIT最新代...
Format numbers in django templates
...
Django's contributed humanize application does this:
{% load humanize %}
{{ my_num|intcomma }}
Be sure to add 'django.contrib.humanize' to your INSTALLED_APPS list in the settings.py file.
...