android color codes

You will often encounter a change to the color of the menu font, and you will encounter one today. There is a menu on the action that is black and wants to change to white. Methods are as follows stylename= "Email.theme"Parent= "@android: Style/theme.funui"> Itemname= "Android:windowfullscreen">TrueItem> Itemname= "Android:actionbarstyle">@style/actionbar_def_styleItem> Itemname= "Andro

When adding text in TextView, sometimes you need to change some text font color, today learned three ways to share 1. Set the font color directly in the configuration XML file under the layout file by adding android:textcolor= "#FFFFFF" To change the colorBut this effect only allows the font to display a color2. In activity through TextView tv=new TextView (this); instantiate a TextView, via Setcontentview

Today, a friend encountered a problem, his Android program started on the error, logcat error has a fragment layout file a row parsing errors.is a radiogroup where the RadioButton set the TextColor property, the problem is here,TextColor is set to a selector, but this selector is placed in the drawable .The problem is that the TextColor property needs a color when a selector selector is placed in drawable,

; Import Android.graphics.Shader; Import Android.view.View; Public class Lineargradientview extends View { private LinearGradient lineargradient = null; Private Paint paint = null; Public Lineargradientview (context context) { super (context); LinearGradient = New LinearGradient (0, 0, + , + , new int[] { Color.yellow, Color.green, Color.transparent, color.white}, null, Shader.TileMode.REPEAT); Paint = new paint (); } Pu

Reprint please indicate the source: http://blog.csdn.net/qq_32059827/article/details/52203533 Click to open the linkIn the Android beginner tutorial, the theoretical knowledge of shape usage is introduced, and it will be very simple to complete this small case. (Welcome to learn to read): http://blog.csdn.net/qq_32059827/article/details/52203347 Click to open the linkThis article is for this knowledge point, complete a custom

Composeshader (Shadera, Shaderb, PorterDuff.Mode.DST); Combines two rendering effects. Combine with Porterduff.modelineargradientNew LinearGradient (0, 0, bitmap.getwidth (), Bitmap.getheight (), 0x470000ff,0xefffff00, Shader.TileMode.CLAMP);Within a certain area. To make a linear change between two colors in a certain rendering modeNew LinearGradient (0, 0, bitmap.getwidth (), Bitmap.getheight (), New int[]{0xffabc777, 0x2300ff00, 0X470000FF, 0XEFFFFF00}, New float[]{0.1f, 0.3f, 0.5f, 1.0f}, S

Android custom keyboard (solves the font color problem of the pop-up prompt) Recently, we are preparing to create a project. We need to use a custom keypad to ensure security. We also need to precisely obtain parameters such as the position, intensity, and area of the fingertip contact screen when you click the keyboard. Some code on the Chinese Internet is used when writing a custom keyboard. The source is

Android Color comparison 1. Android Color comparison /** Calculates the constrast between two 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; floa

Android icon coloring to save the APK volume, there are many online introduction, the use is very simpleUsually use this way, you have to change the code today, so recordFirst KindDrawable icon;if (Android.os.Build.VERSION.SDK_INT The second kind, need V4 packageDrawable icon1;if (Android.os.Build.VERSION.SDK_INT Well, all two can be achieved. I don't know which one is better.There are a lot of related information onlineHttp://www.cnblogs.com/helloand

to let the user click the button to drive the change text color * *public void OnClick (View v){if (Colornum {Mtext.settextcolor (Mcolors[colornum]);colornum++;}Elsecolornum=0;}});Fontbutton.setonclicklistener (New Button.onclicklistener () {public void OnClick (View v) {Mtext.settypeface (Typeface.createfromasset (Getassets (), "Fonts/handmadetypewriter.ttf"));//Set FontFontbutton.settypeface (Typeface.defaultfromstyle (typeface.italic));//set in in

The button's Click Effect is very simple, so that I am lazy when the UI tells me that the button font color should be changed as the background changes. I didn't hesitate to tell him to cut two graphs and then think about it. So I learned how to add a button-click Font Color change effect. 1. First you need to add a few color values to your

Android Rounded Rectangle, gradient color, customFirst, write an XML in the drawable directory, with the name random (as long as the specification is met), the code is as follows: Shape represents the form of graphics, mainly including squares, circles, etc., the upper code is square , Gradient represents the primary configuration start color, end

The steps to set TextView text selection and normal color by selector are as follows:1. Create a folder under Res Color,color folder The code in the tv_text_color_selector.xml,tv_text_color_selector.xml below is as follows:XML version= "1.0" encoding= "Utf-8"?>selectorxmlns:android= "Http://schemas.android.com/apk/res/android