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"Turn" http://www.cnblogs.com/bjzhanghao/archive/2012/11/06/2757300.htmlWhen you adjust the layout, you need to set the units for the size of some controls:Px:That is, the pixel, 1px represents a physical pixel on the screen;PX units are not recommended, as the same 100px picture, the actual size displayed on different phones may be different as shown (images from Android Developer Guide, same as below).The occasional use of

Sublime text 3: install and use the plug-in that converts px to rem, and sublimerem Rem is a powerful unit for mobile terminals, so here we will introduce the installation and use of sublime text 3 to convert px to rem plug-ins. If this plug-in is installed, if you enter the number of pixels, sublime will prompt the corresponding rem value, so you don't have to calculate it yourself !! 1. First download the

One of the most confusing aspects of CSS styling is the Font-size property of the text extension in your application. In CSS, you can display the size of text in a Web browser in four different units of measure. Which of the four units is best for the Web? The problem aroused a wide controversy. It is difficult to find a definite answer, because it is so difficult to answer on its own.Contact these units1. "Ems" (EM): "em" is a scalable unit for Web document Media presentation. An em equals the

Dip: Device Independent pixels (device independent pixel ). different devices have different display effects, which are related to the hardware of the device. We recommend that you use this function to support WVGA, hvga, and qvga without pixels. Px: pixels (pixels). Different devices have the same display effect. Generally, we use hvga to represent 320x480 pixels, which is usually used. If PX is used, it w

Android: px, dp (dip), and sp 1. px: indicates the actual pixels of the screen. For example, a 320*480 screen has 320 pixels horizontally and 480 pixels vertically. If the unit of a specified space is px, in this case, the mobile phone displays the specified size at different resolutions. Px is generally not recommend

Comparison of pixel units dp, px, pt, and sp in androidDp (dip): device independent pixels (device independent pixel ). different devices have different display effects, which are related to the hardware of the device. We recommend that you use this function to support WVGA, HVGA, and QVGA without pixels. Px: pixels (pixels). Different devices have the same display effect. Generally, we use HVGA to represen

A CSS value of px to the REM value of the sublime Text 3 AutoComplete plugin.The plugin effect is as follows:Installation Cloning a project Https://github.com/hyb628/cssrem.git Go to Packages directory: Sublime Text--Preferences, Browse Packages ... Copy the downloaded Cssrem directory into the Packges directory just now. Restart Sublime Text. Configuration parametersParameter profile: Sublime Text, Preferences, package Settings, cssr

Common Px,pt,em Conversion tablept (point, LB ) : is a unit of physical length, which refers to an inch of a single size. px (pixel, pixels ) : is a virtual length unit, is the digital image length unit of the computer system, if PX to be converted to physical length, you need to specify the accuracy dpi (Dots per inch, pixels per inch), in the scan printing gene

Learn more about the EM,REM,PXpx pixels, relative length units. Pixel px is relative to the display screen resolution, in the Web page, we use PX to set the text, PX is more stable and accurate, but this method has a problem, when the user in the browser to browse our web page, it changed the browser font size, This will be broken using our web page layout. You c

When writing a custom view, there are usually some distance-related judgment logic in the Ontouchevent callback method, where the distance constants can be problematic if they are adapted to different devices with multiple resolutions.So in general, DP to PX conversion operations are often required, the following methods are commonly used:1. Define a constant, just a number, but the implied unit is DP2. When using this constant, do not use the constan

Believe that every front-end engineers have such an experience, the domestic designers like to use PX, and the foreign sites mostly like with Em and REM, then what are the differences between the three, and what are the pros and cons of each? The following article is a small series to give you a detailed introduction of the CSS in the PX, EM and REM differences, the need for friends can refer to the followi

px Pixels (Pixel). Relative length units. Pixel px is relative to the screen resolution (PAD/PHONE/PC) of different device displays. (quoted from CSS2.0 manual)1em refers to the size of a font, which inherits the font size of the parent element, and therefore is not a fixed value. The default font size for any browser is 16px.PX is relative to the screen resolution, and EM is relative to the parent Div, so

The concepts of PX, dip, SP, and DP are vague. I checked it online and found it clearly in theory. 1. PX (pixels): the point on the screen, which is related to the density. The density is high, and the PX size per unit area is large. 2. Dip or DP (pixels unrelated to density ). This is related to the hardware of the device. We recommend that you use this feat

Commonly used in 2 kinds: px, pt. What's the difference between these two? 　　Px:pixel, pixel, the smallest unit displayed on the screen; 　　Pt:point, Dot, is a standard length unit of the printing industry, 1pt=1/72 inches; 　　In Windows, the default display setting is to define the text as 96dpi. This explains: 1px=1/96 inches while 1pt=1/72 inches can be drawn, in this setting 1px=0.75pt, Font 9pt=12px. 　　However, the user can modify the DPI size of t

Many netizens do not quite understand the difference between DP, SP, and PX: Here is a brief introduction. DP is dip. This is basically similar to sp. You can use DP or SP to specify attributes such as length and height. If you set the font, you need to use sp. DP is not related to density In addition to density, SP is also not related to scale. If the screen density is 160, DP and SP are the same as PX.

Difference between dip, dp, sp, pt and px in Android, androiddip 1. Overview In the past, programmers often designed computer user interfaces in pixels. For example, the image size is 80x32 pixels. The problem with this processing is that if you run the program on a new display with a dot (dpi) higher per inch, the user interface will look small. In some cases, the user interface may be small to difficult to see the content. Therefore, we can solve th

Today the next cssrem was tested on the mobile side if necessary px->rem very handy compared to the function unit (70/@base, REM) I provided myself with Gulp. A lot easier to turn1. Git clone https://github.com/flashlizi/cssrem2. Enter Packages directory: Sublime Text, Preferences, and Browse Packages3, copy the downloaded Cssrem directory into the Packges directory just now.4. Restart SublimeConfiguration:Configuration parametersParameter profiles: S

Display.getmetrics (DM) is basically applied to get the real screen size. It is good to remember that. Note: The constructor displaymetrics does not need to pass any arguments, and after calling Getwindowmanager () the handle of the existing activity is obtained. Diplay then stores the resulting wide-high dimension in the Displaymetrics object, and the resulting wide-high dimension is in pixels (Pixel), and "pixel" refers to "absolute pixels" rather than "relative pixels." The following infor

下载本项目，比如：git clone https://github.com/flashlizi/cssrem进入packages目录：Sublime Text -> Preferences -> Browse Packages...复制下载的cssrem目录到刚才的packges目录里。重启Sublime Text。ConfigurationParameter profiles: Sublime Text, Preferences, package Settings, cssrem.sublime-settings The unit ratio of PX_TO_REM-PX to REM, which defaults to 40. MAX_REM_FRACTION_LENGTH-PX to the maximum length of the number of parts of

The screen coordinate is taken as the origin coordinate, and the positive direction of the coordinate axis is right and down. Px is the unit of screen pixels. Pt is in the unit of 1/72 inch. Therefore, the idea of conversion is: 1. Create a static element with a length of 1 inch. 2. Test the number of pixels in the length of 3. If the above test is completed... SyntaxHighlighter. all (); The screen coordinate is taken as the origin coordinate, and th