high resolution android tablet

Android Import V7 Package common error, as well as project reference V7 package error resolution, ANDROIDV7Android under V4 V7 V21 Package is an extended support package for Android system, just like the Windows system patch for a reason.Android's expansion packs are primarily designed to be compatible with the lower version, For example, after android3.0 appeare

1 common resolutions for Android phones today1.1 Common resolutions for mobile phones:4:3VGA 640*480 (Video Graphics Array)QVGA 320*240 (Quarter VGA)HVGA 480*320 (half-size VGA)SVGA 800*600 (Super VGA)5:3WVGA 800*480 (Wide VGA)16:9FWVGA 854*480 (full Wide VGA)HD 1920*1080 High DefinitionQHD 960*540720p 1280*720 SD1080p 1920*1080 HD1.2 Resolution corresponds to DP

The main content of this article from Android Doc, I translated and done some processing, English good friends can also directly read the original. Http://developer.android.com/training/displaying-bitmaps/index.html Load large pictures efficientlyWe often use a lot of pictures when we write Android programs, and different pictures always have different shapes and sizes, but in most cases, these pictures a

EditText. It's just that we should include the full package name when we call layout the layout file, as follows: Attach the actual effect chart: Careful observation shows that the empty icon for the first input box leans to the left, because I added the android:paddingright= "10DP" line of code to the first input box's XML layout file. So, for the location of the empty icon, We can make specific adjustments according to the size of the mobile phone

Physical size : The length of the screen diagonal, such as 4 inch (3 inch =10cm)Resolution : The total pixels displayed on the screen, such as 480*800 (480 pixels wide, 800 pixels high)pixel density : dpi, dots per inch (1 inch =2.54cm)Resolution of an edge (total pixels) = physical dimensions of the edge (in inches) x pixel densitycell phone screen density : Low

A strange problem found when testing an APK we developed (using a libevent-2.1.3-alpha as a network library) that sometimes reported a Non-recoverable name resolution failure error. Occasionally reported an error in the company. Later, the program was changed and the error was retried several times. The problem did not appear again, so I thought it was okay. Yesterday, I changed my network environment, and the probability of an error was very

Android under V4 V7 V21 etc package is an extended support package for Android system, just like Windows system patch a reason . Android expansion pack is mainly used to be compatible with the lower version, such as android3.0 after the emergence of Actionbar, if you want to use Actionbar, then the mobile phone system must be more than 3.0 to use, this will cau

the background of button buttons, the data obtained under different density, different resolution devices are as follows:densitydpi=120density=0.75heightpixels=320widthpixels=240xdpi=120.0ydpi=120.0scaleddensity=0.75intrinsicheight=36intrinsicwidth=36densitydpi=160density=1.0heightpixels=480widthpixels=320xdpi=160.0ydpi=160.0scaleddensity=1.0intrinsicheight=48intrinsicwidth=48densitydpi=160density=1.0heightpixels=768widthpixels=1024xdpi=160.0ydpi=160

How does the Android font size adapt to the change in resolution at different resolutions?Suppose you need to adapt to 320x240,480x320 resolution. Create a new folder under the Res directory values-320x240, values-480x320. Then in the folder values, values-320x240 and values-480x320 new XML file Dimens.xml, the XML file content is as follows:For different resolut

Recent troubleshooting Android WebView HTTPS power consumption and slow load problemsProblem: H5 page Heating power consumptionTroubleshooting: Viewing the CPU consumption curve from the Android Studio Profiler, it is found that the WebView Carousel wave consumes the CPU and peaks up to 45% in the static condition. Because the animation in the H5 page loaded by WebView results in a redraw of the entire webv

Android Development We often need to use the dip, PX mutual conversion, get the phone screen width, height and status bar height, the following is based on the screen this piece of the collation of a class. Package com.per.loadingwebviewdome; Import Android.content.Context; Import Android.util.DisplayMetrics; Import Java.lang.reflect.Field; /** * @author: Xiaolijuan * @description: Screen resolution

steps to create the server are as follows: 1, specify a port to instantiate a serversocket;2, call ServerSocket's accept method to cause blocking while waiting for the connection; 3. Get the socket stream at the bottom to read and write, 4, encapsulate the data into a stream, 5, read and write the socket, 6, close the open stream. The steps to create the client are as follows: 1. Instantiate the socket via IP address and port, request a connection server, 2, get the stream on the socket for rea

1.APPCOMPAT_V7: Application Compatibility Pack, V7 says version 7, android2.1, this Compatibility Pack supports 2.1 versions of the system2. Recently Google officially will be compatible with the jar package and some resource files alone to build an Android project, is actually a repository, right click on this project into build path-click on Android, you will find the is library ticked, indicating it is t

) Location.getlatitude (), (float) Location.getlongitude (), (float) Location.getaltitude (), System.currenttimemillis ()); Tvwgs84.settext ("Altitude=" + Altitude + "\nlongitude=" + Longitude + "\nlatitude=" + latitude + "\ndeclination=" + GMF Ield.getdeclination () + "\nbearing=" + bearing + "\naccuracy=" +accuracy); } @Override Public voidOnstatuschanged (String provider,intstatus, Bundle extras) {} @Override Public voidonproviderenabled (String provider) {} @Override Public voidonproviderdis

Surfaceview components can be used to create high-efficiency drawing of two-dimensional graphs or display images, which are often in game development. In Android, the Surfaceview component is already available. When used, a custom Surfaceview is generally implemented by means of an inherited method, It can also be implemented in Mainactivity via interface Surfaceholder.callback interface, where Surfaceview

, (Hey, after all, young, much like others learn) Summarize: The company attaches importance to the foundation, every interview has algorithms, although not difficult, it is estimated to look at the code to write the specification Android Post more questions, and biased in favor of performance tuning, and do not like social recruitment requirements of the various frameworks of familiarity, but to see the framework you used the source

("++mylog++density", "" "+density); LOG.E ("++mylog++densitydpi", "" "+densitydpi); //the second way to get pixel density getresources () intheight1 = Getresources (). Getdisplaymetrics (). Heightpixels;//width (PX) intWidth1 = Getresources (). Getdisplaymetrics (). Widthpixels;//height (PX)LOG.E ("++mylog++width1", "" "+width1); LOG.E ("++mylog++height1", "" "+height1); floatDensity1 =getresources (). Getdisplaymetrics (). density; intDENSITYDPI1 =getresources (). Getdisplaymetri

WindowManager m =new displaymetrics (); M.getdefaultdisplay (). Getmetrics (metric); int // screen width (pixels) int // screen height (pixels) float // screen Density (0.75/1.0/1.5) int // screen density dpi (120/160/240)// set a view to the screen width newnew layoutparams (width,linearlayout.layoutparams.wrap_content));Need to get multi-resolution support, in the Androidmanifest.xml file, join the Supports-screens nodeScreens Android:smallscr