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App Inventor 2 扩展 · App Inventor 2 中文网
...visible components only (i.e., components that do not show on the designer screen). MIT plans to remove this restriction in future versions of the extension component system.
2. How to use extension components
You use an App Inventor extension component just as you would use an ordinary built-i...
How to Create Grid/Tile View?
...in: 1em 0; /* for separating masonry-bricks vertically*/
}
@media only screen and (min-width: 480px) {
.masonry-container {
-moz-column-count: 3;
-webkit-column-count: 3;
column-count: 3;
}
}
@media only screen and (min-width: 768px) {
.masonry-conta...
How is TeamViewer so fast?
...
Theres the free TechSmith screen capture codec. It compresses efficiently and losless.
– sinni800
Jun 20 '14 at 12:26
add a co...
View's getWidth() and getHeight() returns 0
...alling getWidth() too early. The UI has not been sized and laid out on the screen yet.
I doubt you want to be doing what you are doing, anyway -- widgets being animated do not change their clickable areas, and so the button will still respond to clicks in the original orientation regardless of how ...
Can you autoplay HTML5 videos on the iPad?
...he mobile page, since I built a responsive site I only do this for smaller screens. The video tag (HTML and jQuery examples):
HTML
<video id="dummyVideo" src="" preload="none" width="1" height="2"></video>
jQuery
var $dummyVideo = $("<video />", {
id: "dummyVideo",
src: ""...
ContinuousSpeech 连续语音识别扩展：持续语音识别无需重复启动 · App Inventor 2 中文网
... 初始化
在屏幕初始化时启动语音识别：
当 Screen1.Initialize 时
如果 ContinuousSpeech1.IsRecognitionAvailable 那么
调用 ContinuousSpeech1.Start
处理部分结果
在 OnPartialResult 事件中检测语音命令：
当 Continu...
Prevent body scrolling but allow overlay scrolling
...rry my previous comment was super vague: the tab order works find, but the screen jolts when you tab through fields on iOS Safari (stackoverflow.com/questions/31126330/…)
– Atav32
Aug 26 '15 at 17:19
...
HTML table headers always visible at top of window when viewing a large table
... feature: when scrolling down through the page so that the table is on the screen but the header rows are off-screen, I would like the headers to remain visible at the top of the viewing area.
...
Float right and position absolute doesn't work together
...u want an absolutely-positioned element to appear on the right side of the screen, you can use position: absolute; right: 0;, but this will cause the element to always appear on the right edge of the screen regardless of how wide its parent div is (so it won't be "at the right of its parent div").
...
DISABLE the Horizontal Scroll [closed]
... where to put it? under body tag or a media query for small screens?
– Umair
Dec 7 '18 at 13:49
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