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Detect rotation of Android phone in the browser with JavaScript
I know that in Safari on an iPhone you can detect the screen's orientation and change of orientation by listening for the onorientationchange event and querying window.orientation for the angle.
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How do I prevent an Android device from going to sleep programmatically?
...ext.POWER_SERVICE);
PowerManager.WakeLock wl = pm.newWakeLock(PowerManager.SCREEN_DIM_WAKE_LOCK, "My Tag");
wl.acquire();
// screen and CPU will stay awake during this section
wl.release();
There's also a table on this page that describes the different kinds of wakelocks.
Be aware that some cau...
How do I hide an element when printing a web page?
...not complete. You have to have two media sections. @media print and @media screen. In the print section, you place your styles for printing. In the screen screen section, you place your styles for screen printing. You can even have multiple screen sections for different resolutions. Basically if you...
Get screen width and height in Android
How can I get the screen width and height and use this value in:
29 Answers
29
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what exactly is device pixel ratio?
...ssion
The CSS "pixel" is not even defined as "one picture element on some screen", but rather as a non-linear angular measurement of viewing angle, which is approximately of an inch at arm's length. Source: CSS Absolute Lengths
This has lots of implications when it comes to web design, such as p...
How Do I Take a Screen Shot of a UIView?
I am wondering how my iPhone app can take a screen shot of a specific UIView as a UIImage .
15 Answers
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Full screen background image in an activity
I see many applications that use a full-screen image as background.
This is an example:
13 Answers
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【精心整理】【实用】visual C++中最常用的类与API函数 - C/C++ - 清泛网 -...
...其一。
BS_BITMAP 按钮上将显示位图
BS_DEFPUSHBUTTON 设置为默认按钮，只用于下压式按钮，一个对话框中只能指定一个默认按钮
rect指定按钮的大小和位置；
pParentWnd指示拥有按钮的父窗口，不能为NULL；
nID指定与按钮关联的ID号，...
Should I use pt or px?
... of an inch (0.25mm) or a little more. The px unit got its name from those screen pixels.
Nowadays there are devices that could in principle display smaller sharp dots (although you might need a magnifier to see them). But documents from the last century that used px in CSS still look the same, no m...
响应式web设计之@media screen，手机网页自适应 - 更多技术 - 清泛网 - 专...
响应式web设计之@media screen，手机网页自适应@media screen and (max-width: 600px) { *当屏幕尺寸小于600px时，应用下面的CSS样式* .class {background: #ccc;}}@media scre...
@media screen and (max-width: 600px) { /*当屏幕尺寸小于600px时，应用下面的CSS样式*/
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