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App Inventor 2 复制屏幕功能，误删组件的“后悔药”，界面设计更便捷 - Ap...
...情可查看发布日志。下面演示一下屏幕的复制效果：1、Screen1屏幕上有若干组件、及一个SQLite拓展：2、点击工具栏上的“复制屏幕”按钮，输入新屏幕名称：3、复制后的Screen2：4、代码块也一并成功复制，且代码块中的屏幕名自...
App Inventor 2 复制屏幕功能，误删组件的“后悔药”，界面设计更便捷 - Ap...
...可查看发布日志。
下面演示一下屏幕的复制效果：
1、Screen1屏幕上有若干组件、及一个SQLite拓展：
2、点击工具栏上的“复制屏幕”按钮，输入新屏幕名称：
3、复制后的Screen2：
4、代码块也一并成功复制，且代码块中...
How to take emulator screenshots using Eclipse?
I need to take screenshots of an android application running on an emulator in Eclipse Galileo.
6 Answers
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Why not use tables for layout in HTML? [closed]
...rements.
Another thing. Table layout makes automated parsing of websites (screen scraping) much harder. This might sound trivial because, after all, who does it? I was surprised myself. Screen scraping can help a lot if the service in question doesn't offer a WebService alternative to access its da...
How do I disable orientation change on Android?
... that I just would like to use in portrait mode, so I have defined
android:screenOrientation="portrait" in the manifest XML. This works OK for the HTC Magic phone (and prevents orientation changes on other phones as well).
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How to use UIScrollView in Storyboard
..., I've found a very easy way to put contents into scrollviews that are 'offscreen'. Tested with XCode 5 & iOS 7. You can do this almost entirely in Storyboard, using 2 small tricks/workarounds :
Drag a viewcontroller onto your storyboard.
Drag a scrollView on this viewController, for the demo ...
Explaining difference between automaticallyAdjustsScrollViewInsets, extendedLayoutIncludesOpaqueBars
...
Starting in iOS7, the view controllers use full-screen layout by default. At the same time, you have more control over how it lays out its views, and that's done with those properties:
edgesForExtendedLayout
Basically, with this property you set which sides of your view ...
Android: Tabs at the BOTTOM
...inite.
Is there a way to put the tabs in a TabWidget to the bottom of the screen?
If so, how?
10 Answers
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How to get the mouse position without events (without moving the mouse)?
... Tim Down suggested - but instead of having elements for each pixel on the screen, create just 2-4 elements (boxes), and change their location, width, height dynamically to divide the yet possible locations on screen by 2-4 recursively, thus finding the mouse real location quickly.
For example - fi...
iPad Web App: Detect Virtual Keyboard Using JavaScript in Safari?
... HTML, CSS and JavaScript). Since the keyboard fills up a huge part of the screen, it would make sense to change the app's layout to fit the remaining space when the keyboard is shown. However, I have found no way to detect when or whether the keyboard is shown.
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