dpi drone

programmers and design sisters! First, we need to understand this figure:This section lists the five common dpi types in Android development. dpi refers to pixels per inch (for example, a width is 1.5 inch pixels, the dpi of a mobile phone with a height of 2 inch or 320 pixels is: 240px/1.5in = 320px/2in = 160 dpi, wh

Add the above sentence in the (initial size is 1 times times, which is the original)minimum-scale=0.5: Represents the minimum scale maximum-scale=2.0: Represents the maximum scale User-scalable=yes or 1: Indicates whether the user can adjust the zoom ratio(no or 0: indicates non-adjustable scaling)TARGET-DENSITYDPI: A screen pixel density is determined by the screen resolution, usually defined as the number of dots per inch (dpi). Android supports thr

which the user is allowed to zoom.User-scalable: Whether the user can manually scaleSome questions about the viewportViewport is not just a unique attribute on iOS, it also has viewport on Android and Winphone. The problem they are trying to solve is the same, ignoring the true resolution of the device, directly through the DPI, resetting the resolution between the physical size and the browser, which is independent of the resolution of the device. F

to width and specifies the height.Initial-scale: the initial scale, that is, the scale when the page is loaded for the first time.Maximum-scale: the maximum scale that users can scale.Minimum-scale: minimum scale that allows users to scale.User-scalable: whether the user can manually Scale Questions about viewport Viewport is not only unique in ios, but also has viewport on android and winphone. They solve the same problem, that is, directly resetting the resolution between the physical size an

1.CSS3 rounded white edge: When using the CSS3 fillet effect, white edges are generated on some Android machines, so a div should be in the rounded div (the background color is the same as the outside), and then there is a fillet effect inside the div that uses its own background colorborder-radius:5px;Box-shadow:inset 0 2px 5px #e1e1e1;2. Screen resolution problems: for example, the 640*480 on the PC and the device's resolution 640*480 different, involving resolution density (

In the project development process, usually have to encounter screen adaptation problems, the following is my project in the development process summed upA set of screen adaptation program, share to everyone;The Android screen fits some concepts that you must understand:Pxis the abbreviation for the English word pixel, which means pixels, dots on the screen. The resolution we usually refer to as 480x800 is the pixel.DpiDPI is the abbreviation for dots per inch, in dots, which contains the number

What is DPI? DPI is the abbreviation for "dot per inch" and the number of pixels per inch. Four density classifications: ldpi (Low), MDPI (Medium), hdpi (High), and xhdpi (extra high) General screen: LDPI is 120,mdpi is 160,hdpi is 240,xhdpi is 320.DPI Calculation formula dpi= Diagonal pixel value/sizePhone screen reso

-sawtooth is an image processing technique that uses foreground pixels close to the edge of the background to make the eyes look smoother. ArcGISThe server cache does not use real anti-aliasing, but does similar work to make the labels, unfilled lines, and polygon elements look smoother. If you are doing vector layer and image superposition, be careful to useThis tool. The background color of the Data box depends on the color of the anti-sawtooth element. By default, the color of the background

Document directory (1) CSS pixels and device pixels (2) PPI/DPI (3) density determines the proportion (4) use of viewport (1) Simple and rude (2) perfection (3) reasonable compromise (1) weinre Remote Real-time debugging (2) AVD simulator debugging (3) Mobile Phone packet capture and host Configuration There are more and more mobile devices, and more than 1.3 million android mobile phones are activated every day. Therefore, our webapps f

When they are displayed on the target device and they also record the features of the target device, Enhanced Metafile images record their sizes. The image size displayed on the printer device is the same as the document size. There can be a major difference between the displayed size and the document size on the screen device because the physical features (resolutions) of the screen usually do not match the logical features used by windows. The enhanced primitive File Header records the follow

DPI indicates the resolution, which is the number of points per inch in length. DPI can be subdivided into horizontal resolution and vertical resolution. For example, if the horizontal resolution of a 1 inch * 1 inch image is 100 dpi and the vertical resolution is 50 DPI, it divides horizontally into 100 segments per i

Preface At the beginning of Android's design, the UI was adapted to multiple platforms. It provided a complete adaptation mechanism and became more accurate with the development of the version, UI adaptation is mainly influenced by two factors: screen size (screen width and pixel height) and screen density. Different adaptation schemes are used for different application scenarios, this document is only applicable to Android4.0 and earlier versions. Related Concepts Resolution:The number of pixe

Qt on Android: Create a scalable interface, qtandroid To use Qt to develop Android applications, you also need to adapt to different mobile devices and adapt to a variety of screens and resolutions. This time we will discuss how to use the mechanism provided by Qt to create a scalable interface.DPI DPI must be explained. DPI, dot per inch, that is, the number of points contained in each inch. Another concep

Address: http://www.jcodecraeer.com/a/anzhuokaifa/androidkaifa/2015/0120/2331.html1. Program Start icon:LDPI (Low Density screen,120 DPI) with an icon size of X-px.MDPI (Medium Density screen, DPI) with an icon size of x px.HDPI (High Density-screen, + DPI) with an icon size of X-px.XHDPI (extra-high density screen, at + DPI