android color codes

Original URL: http://www.cnblogs.com/etgyd/archive/2011/04/02/2003778.htmlThe Android color corresponds to the XML configuration value "Go" the XML configuration value corresponding to the Android color

1. Android Color Contrast /** calculates the constrast between the colors, using the algorithm provided by the WCAG v2. */public static float computecontrastbetweencolors (int bg, int fg) {Float BgR = color.red (BG)/255f; float BgG = color.green (BG)/255f; float BgB = color.blue (BG)/255f; BgR = (BgR Android

comes with the list item layout file, which is the above code:Connect the optional content to the Arrayadapter adapter = new ArrayadapterWe can replace the layout format we want to show, here's what I'm going to look like, the rounded corners, and then change the color of the default font inside, to white and centered:Activity_tipsprice_spinner.xmlThis is just a drop-down text style, and if you want a fillet, you must set the style of the fillet in t

Underlinespan (), ten, 16,spanned.span_exclusive_exclusive);//spanned.span_exclusive_exclusiveactivity Jump First four words identifierYou can click the Ss.setspan (new Clickablespan () {///In the OnClick method to write the action to be executed when the link is clicked @overridepublic void OnClick (View widget) { Myapp.showtoast ("Click on the Disclaimer");}, Stringlength-8, Stringlength, spanned.span_exclusive_exclusive);// Use the Spannablestring object to set the content of the TextView co

Selector background color in Android LinearLayout, androidselector Using linearLayout as a button, I want to use time to trigger dynamic changes to the background color of linear layout and display different States through different colors. I want to use selector to achieve this, but it has no effect at all. After reading other solutions, I said that the click at

Android immersive Status Bar (Uniform Color Style of the status bar and app like ios) This feature is supported by andorid4.4 and can be used at least by api19. The following describes how to use it, which is very simple: Public class MainActivity extends Activity {@ Override protected void onCreate (Bundle savedInstanceState) {super. onCreate (savedInstanceState); setContentView (R. layout. activity_main)

In Android, the color of the status bar is the same as that of our App. androidapp In fact, there is nothing. It is a topic. Let's look at the code below: Three important attributes: ColorPrimary ------------ color of the corresponding ActionBar. ColorPrimaryDark ------- color of the corresponding status bar

. Is the green piece, we look at the effect:You see, the text and status bar overlap together, this is certainly not possible, at this time need to add the following code: Android:fitssystemwindows= "true" android:cliptopadding= "true"Everybody look at the red part. Add those two lines later. The interface will still be immersive, but the part of the status bar will not overlap, like adding padding, for example:Let's look at the picture. A button of green TextView and red is moved down. Th

The demand is when I press the button, the Change button color, so that users feel that they pressed the button, when the release, change back to the original color. Normal Time: When pressed: Some people say, the direct monitor button presses the event to be extremely good, actually this can achieve the same effect, but has a shortcoming, for example many buttons all need this kind of effect, that y

. xmlXML version= "1.0" encoding= "Utf-8"?>LinearLayoutxmlns:android= "Http://schemas.android.com/apk/res/android"Android:layout_width= "Match_parent"Android:layout_height= "Match_parent"android:orientation= "vertical"> ButtonAndroid:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"Android:text= "Call"Android:id= "@+id/phone" android:background= "@drawable/anniu1" /> ButtonAndroid:layout_width= "Wrap_content"Android:layout

The six methods are: Based on RGB segmentation, based on RG same channel segmentation, ycrcb + Otsu (Ostu can refer to the http://blog.csdn.net/onezeros/article/details/6136770, Http://wenku.baidu.com/view/05c47e03bed5b9f3f90f1ce4.html), ycrcb space, YUV space, HSV space. The next step is to use JNI to port the detection to Android. The final goal is to enable the android smart phone to use the palm print t

The example in this article describes how Android sets the preferencecategory background color. Share to everyone for your reference. The specific analysis is as follows: You may encounter, preferencecategory default is a black background, how we replaced the preferencescreen background, then this separator looks very ugly, then how to change the background? We can do this by customizing the view. The cod

We often use rounded rectangles, which are now popular styles. But today in the work, encountered to write rounded rectangle has a border but no background color button, originally wanted to let sister help transduction, but do not want to trouble sister, oneself support, said can do, the result made long time dish fix, now to everyone see, later to avoid this trouble ... （）Android Rounded Rectangle has a b

Here are the color files that the Android system comes with, and the friends who do the UI may like it.Android System Color Table

highlighting, so, or so, there are italic."); //Set up HyperlinksSp.setspan (NewUrlspan ("http://www.baidu.com"), 5, 7, spanned.span_exclusive_exclusive); //Set highlight style oneSp.setspan (NewBackgroundcolorspan (color.red), 17, 19, spannable.span_exclusive_exclusive); //Set highlight style twoSp.setspan (NewForegroundcolorspan (Color.yellow), 20,24, spannable.span_exclusive_inclusive); //Set ItalicSp.setspan (NewStylespan (Android.graphics.Typeface.BOLD_ITALIC), 27, 29, spannable.span_exclu

The method of removing the dividing line has been found for a long time, and finally found a way to change the split lineThe spinner and Autocompletetextview hint list has a black dividing line in the middle, and if you want to change its color value, rewrite the style.1. Write a style in themes 2. The style is called in the manifest of the activity where the control resides The list is the style without the split line.Change the

Some color values found on the WebJava code 808080 808080

1016-06-homepage 20-encapsulation toolbar --- distance between UITableView control and top ---- background color settings when cell is selected, and toolbar on top of android 1. Set the spacing between the cell on the top and the cell on the top of the UITableView: Method 1. directly set: self. tableView. contentInset = UIEdgeInsetsMake (HWStatusCellMargin, 0, 0, 0 ); @ Interface HWHomeViewController: UITab

ellipse mshapedrawable = New Shapedrawable (new OvalShape ()); OvalShape: Oval //Set the ellipse to draw something for shapedrawable picture Mshapedrawable.getpaint (). Setshader (Mbitmapshader); //Set display area Mshapedrawable.setbounds (0, 0, Mbitmappn.getwidth (), Mbitmappn.getheight ()); //Draw shapedrawable Mshapedrawable.draw (canvas); if (mradialgradient! = null) { Mpaint.setshader (mradialgradient); Canvas.drawcircle (0, 0, mpaint); } }

Many Android phones are equipped with LED lights, such as HTC's phone charging, new text messages, and so will have a response to the instructions, in fact very simple this is notificationmanager some of the parameters, Below Android123 to everyone to say how to control the flashing of LED lights through code, because some models do not have LED lights or color types less, the need for real machine observat