大约有 8,000 项符合查询结果(耗时:0.0271秒) [XML]

https://www.tsingfun.com/it/ai2/2708.html 

App Inventor 2 图像转换拓展:用于转换jpg/png/webp(以及更多)等图片格...

...多)等图片格式的扩展此扩展程序提供了将图像转换为 以下三种格式之一进行转换的功能:jpg、png 和 webp。包括增强的图像功能:转换、旋转、调整大小、设置不透明度、裁剪、尺寸(宽度、高度、大小 此扩展程序提供了...
https://bbs.tsingfun.com/thread-2236-1-1.html 

计时器后台计时问题探究 - App Inventor 2 中文网 - 清泛IT社区,为创新赋能!

...结束时间的时间差(秒), 2.计时器(时间间隔为1000)开始时间开始,每运行1次就增加1秒,到结束时间得到的秒数累加。 早晚开始,到今天早上结束,得到的结果相差很大,请看一下截图 --------------------- 根据你...
https://stackoverflow.com/ques... 

What is the difference between “screen” and “only screen” in media queries?

What is the difference between screen and only screen in media queries? 5 Answers ...
https://stackoverflow.com/ques... 

Change Screen Orientation programmatically using a Button

I think this is implementable since screen rotation behaviour can go up to the application level. 5 Answers ...
https://stackoverflow.com/ques... 

Bootstrap 3 Navbar Collapse

...It's currently set to "expand" @media (min-width: 768px) which is a "small screen" (ie. a tablet) by Bootstrap 3 terms. @grid-float-breakpoint: @screen-tablet; If you want to keep the collapsed a little longer you can adjust it like such: @grid-float-breakpoint: @screen-desktop; (992px br...
https://stackoverflow.com/ques... 

Application Skeleton to support multiple screens

...oming with various device which having different Features, Resolution, and Screen-size so while developing an Application which support multiple (small and big) screen there is an obstacle of size and layout. ...
https://stackoverflow.com/ques... 

Center a popup window on screen?

...popup window opened via javascript window.open function on the center of screen variable to the currently selected screen resolution ? ...
https://stackoverflow.com/ques... 

How to make the window full screen with Javascript (stretching all over the screen)

How can I make a visitor's browser go fullscreen using JavaScript, in a way that works with IE, Firefox and Opera? 19 Answe...
https://stackoverflow.com/ques... 

Android: Temporarily disable orientation changes in an Activity

...by Chris in his self-answer, calling setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_NOSENSOR); and then setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_SENSOR); really works like charm... on real devices ! Don't think that it's broken when testing on the emulator, the ctrl+F1...
https://stackoverflow.com/ques... 

How can I get the active screen dimensions?

... Screen.FromControl, Screen.FromPoint and Screen.FromRectangle should help you with this. For example in WinForms it would be: class MyForm : Form { public Rectangle GetScreen() { return Screen.FromControl(this).Bound...