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just a measure of the pixel density. Third, DPIndependent of the physical density of the unit of measurement, it is based on 160dpi , regardless of the DPI screen, 1DP represents the same physical length. In the 160dpi screen, 1DP=1px, that is, a DP needs to be represented by an PX , on the 240dpi screen, 1DP=1.5px, indicating a DP needs 1.5 px to indicate. That is to say 1DP=dpi/160*px. The implication is that developers will be able to develop a UI that displays the same size, regardless of t

[Dip:device independent pixels (device independent pixel). Different devices have different display effects, this is related to the device hardware, we generally support the WVGA, HVGA and QVGA recommended to use this, do not rely on pixels. Px:pixels (Pixel). Different devices display the same effect, generally we hvga represent 320x480 pixels, this use more. Pt:point, is a standard length unit, 1pt=1/72 inches, used in the printing industry, is very simple and easy to use; sp:scaled pixels

ScreenTyep WidthPixels HeightPixels SizeRange (inches) Screen density QVGA 240 320 2.6-3.0 Low WQVGA 240 400 3.2-3.5 Low Fwqvga 240 432 3.5-3.8 Low HVGA 320 480 3.0-3.5 Medium WVGA 480 800 3.3-4.0 High FWVGA 480 854 3.5-4.0 High WVGA 480

Difference between dip, dp, sp, pt and px in Android, androiddip 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.Dp: dip is the samePx: pixels (pixels). Different devices have the same display effect. Generally, we use HVGA to represent 320x480 pixels, whi

There are a lot of SP and DP online in AndroidArticleI have talked about it all, but there is always a feeling that I am not doing anything. Now, let's talk about DP and sp. Let's talk about it. If you are not interested, please click it. 1. DP (or dipDevice Independent pixels) An abstract unit based on screen density. 1dp = 1px on a display at 160 o'clock per inch.Different devices have different displ

= "@dimen/activity_horizontal_margin"8android:paddingright= "@dimen/activity_horizontal_margin"9android:paddingtop= "@dimen/activity_vertical_margin"Tentools:context= "Com.hanqi.testapp3.MainActivity" Oneandroid:orientation= "Vertical" > A -TextView -Android:layout_width= "Wrap_content" theandroid:layout_height= "Wrap_content" -android:text= "Hello world!"/> - -Button +Android:layout_width= "Match_parent" -android:layout_height= "Wrap_content" +android:text= "

Website: http://blog.csdn.net/zhou1232006/article/details/6149548An in-depth understanding of the three registers of arm is of great benefit to both programming and porting of the operating system.1. Stack pointer R13 (SP): Each anomaly pattern has its own independent R13, which usually points to the stack dedicated to the exception mode, i.e. five exception modes, non-exception modes (user mode and system mode), each with separate stacks, indexed by

are shorter than the phone screen, some are longer than the screen, on the tablet and mobile phone compared to the difference is more obvious.DipExactly the same as DP, except the name is different. The dip was used in earlier versions of Android, and the DP name was later recommended for unification with SP.Sp:Abstract pixels independent of scale (Scale-independent Pixel). The SP and DP are similar but the only difference is that the Android system

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

Reference:1. Change the sharedpreferences storage path using the Java reflection mechanism Singleton19002. Android Rapid Development series 10 commonly used tools class HongyangImportandroid.app.Activity;ImportAndroid.content.Context;ImportAndroid.content.ContextWrapper;Importandroid.content.SharedPreferences;ImportJava.io.File;ImportJava.lang.reflect.Field;Importjava.lang.reflect.InvocationTargetException;ImportJava.lang.reflect.Method;ImportJava.util.Map; Public classSputil {/**the path of the

In Android development, when it comes to screen video problems, the conversion between PX, DP, SP is an important part, so Yang Brother a tool class for everyone.Package com.zw.express.tool;Import Android.content.Context;Import Android.util.DisplayMetrics;/*** YDC* @author Administrator**/public class Densityutils {/*** Switch from Dip unit to PX (pixel) According to the resolution of the phone*/public static int dp2px (context context, float Dpvalue)

AutoscreenadaptationAndroid screen adaptation items directly with the DP and SP can be added without modification directly into a code to achieve the adaptationNot sure if there will be compatibility issues and performance issues that require time testingAt present, the different resolutions of the simulator are tested and the basic effect of different DPI is not much worse.Rotating the screen layout scales the view by the size of the horizontal versi

1 $snapin= Get-pssnapin | Where-object {$_. Name-eq' Microsoft.SharePoint.PowerShell '}2 if($snapin -eq $null){3Write-host"Loading SharePoint PowerShell Snapin ..."-Foregroundcolor Blue4Add-pssnapin"Microsoft.SharePoint.PowerShell"5Write-host"SharePoint PowerShell Snapin loaded."-Foregroundcolor Green6 }7 8 #Get all SharePoint cmdlets9 #Get-command "*sp*" –commandtype cmdletTen One #Get All the cmdlets grouped by verb A #Get-command "*

An in-depth understanding of SP, LR, and PC in-depth understanding of the three registers of arm is of great benefit to both programming and porting of the operating system. 1. Stack pointer R13 (SP): Each anomaly pattern has its own independent R13, which usually points to the stack dedicated to the exception mode, i.e. five exception modes, non-exception modes (user mode and system mode), each with separa

I. Overview We often set the container length during page layout, but we are annoyed by which unit of length should be used. The following types of description areas are supported in Android. Px (pixels)-pixels: different devices have the same display effect. Generally, hvga represents 320x480 pixels, which is usually used. Dip (device independent pixels) -- device independent pixel: This is related to the device hardware. Generally, we recommend that you use this parameter to support wcga, hvga

Currently, a poor android application is charging fees. A large number of developers rely on built-in ad clicks and application promotion and download revenues are meager. Because Apple has such a platform, Apple developers have a lot of revenue. This section describes the SP billing method in Android, which provides you with an option to make money. SP billing is a billing method that directly deducts th

Android in Dip, DP, PX, SP and screen density 1. Dip:device independent pixels (device independent pixels). Different devices have different display effects, this is related to the device hardware, generally we support WVGA, HVGA and QVGA recommended use this, do not rely on pixels.It is important to note that dip is related to screen density and that the screen density is related to specific hardware and that the hardware settings are incorrect and m

First refbase in the C + + part of Android is as a base class for all classes, which functions like an object in Java. A private member exists in this class:weakref_impl* const mrefs;(Weakref_impl is a subclass of Weakref_type)This mrefs is a "shadow object" and is the key to managing the reference count of an objectRefbase is constructed in Mrefs (new Weakref_impl (This)), new is a Weakref_impl object, Weakref_impl's constructor parameter is Refbase's pointer and initializes the WEAKREF_IMPLMst

Dip:device independent pixels (device independent pixels). Different devices have different display effects, this is related to the device hardware, generally we support WVGA, HVGA and QVGA recommend this, do not rely on pixels.Px:pixels (pixels). Different devices show the same effect, generally we hvga represent 320x480 pixels, this use more.Pt:point, is a standard length unit, 1pt=1/72 inches, for the printing industry, very simple to use;mainly used for font display of best for textsize.As a

This article links http://blog.csdn.net/xiaodongrush/article/details/295604311. What do designers and developers agree on to develop an android APP?First, choose a mainstream model.Then, the designer based on the screen size of the model design, give the PX unit labeling.Finally, according to the model, we can calculate the conversion method of PX and DP, and set the dimension of DP unit according to the dimensions of PX unit.Note: 1DP=1DIP=1SP, for the general long-width DP or dip can be,