... Device（功能多且复杂）：https://community.appinventor.mit.edu/t/free-device-get-device-info/48411 StatusBarTools（简单易用，推荐）：https://community.appinventor.mit.edu/t/statusbartools-extension-free-open-source/19568 效果如下： 已整理：ht...

...了二次内存分配，并把整个结构体返回给用户。用户调用free可以释放结构体，但是用户并不知道这个结构体内的成员也需要free，所以你不能指望用户来发现这个事。所以，如果我们把结构体的内存以及其成员要的内存一次性分...

...Copyright 2012, 2013 MinGW.org project * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to u...

将滑块组件旋转 90º，效果如下： [hide]来源：https://community.appinventor.mi ... o-ranges-free/29465 http://kio4.com/appinventor/294K_extension_crear_Deslizador.htm [/hide] 谢谢谢谢谢谢谢谢分享

具有两个范围的滑块，效果如下： [hide]来源：https://community.appinventor.mi ... o-ranges-free/29465 http://kio4.com/appinventor/294K_extension_crear_Deslizador.htm [/hide]

... [size=15.008px] [size=15.008px]https://community.appinventor.mit.edu/t/free-textenhancer-enhance-text-formatting-in-your-app/111213

...nt_buffer_disable(self::$buffers[$id], EV_READ | EV_WRITE); event_buffer_free(self::$buffers[$id]); fclose(self::$connections[$id]); unset(self::$buffers[$id], self::$connections[$id]); } function ev_read($buffer, $id) { static $ct = 0; $ct_last = $ct; $ct_data = ''; while ($re...