android color codes

First add a colorstatelist resource XML file, and the XML file is saved in Res/color/button_text.xml:Java code "1.0" encoding="Utf-8"?> "http://schemas.android.com/apk/res/android" > "true" android:color="#ffff0000"/> "true" android:color="#ff0000ff"/> "#ff000000"/> Java code Button btn= (button) Findviewbyid (R.ID.BTN); Resources resource= (Resources) Getb

public static final Bitmap creatergbimage (Bitmap bitmap,int color){ int bitmap_w=bitmap.getwidth (); int Bitmap_h=bitmap.getheight (); int[] Arraycolor=new int[bitmap_w*bitmap_h]; int count=0; for (int. i=0;i for (int j=0;j int color1=bitmap.getpixel (j,i); //here can also remove R G B can expand to do more processing, //for the time being I just have to deal with the color exce

This blog is mainly about the following two points of knowledgeicon Change color :drawable, so that Android can also have iOS so convenient image tone conversion, like the same icon, but there are many places to use, and the color is different, you can use this method. Search Box: General is edittext realization, this article realizes TextView picture and text Ce

When we use a computer or a mobile phone, we often encounter a progress bar, such as the following figure: Today I'm going to show you how to make simple and beautiful color gradient progress bars. First I created a new system default style of the progress bar, the code is as follows: After running, it appears as follows: You can see, not very good-looking, then start to make a custom progress bar to writ

Today you want to draw a curve that changes dynamically based on the color of the parameter, and the parameters are not fixed, so you need to get the color values based on the parameters. Studied for a long time and engaged in a scheme that was implemented through paint.Paint contains a number of ways to set its properties, the main method is as follows:Setantialias: Sets the brush's jagged effect. setcolor

, Shaderb, PorterDuff.Mode.DST); Combine two rendering effects to Porterduff.modeLinearGradientNew LinearGradient (0, 0, bitmap.getwidth (), Bitmap.getheight (), 0x470000ff,0xefffff00, Shader.TileMode.CLAMP);Linear variation between two colors within a certain area, 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}, Shader.TileMode.CLAMP);In a certain area, i

TextView changevideoqualitytxt = (TextView) Rootview.findviewbyid (r.id.enter_wireless_display_txt);String Text1 = getString (R.string.enter_application_wireless_display);Spannablestringbuilder style1 = new Spannablestringbuilder (Text1);Style1.setspan (New Foregroundcolorspan (Getresources () GetColor (R.color.high_light_color)), Spannable.span_ exclusive_inclusive);Changevideoqualitytxt.settext (Style1);If you want to insert a picture in a line of text:TextView changevideoqualitytxt = (TextVie

#01 # Method One: TextView TextView = (TextView) View.findviewbyid (r.id.text); New Spannablestring ("Beijing welcomes you, Rongchang very good"); Ss.setspan (new Foregroundcolorspan (color.red), 0, 7, spanned.span_exclusive_exclusive); Ss.setspan (new Foregroundcolorspan (Color.green), 7, ten, spanned.span_exclusive_exclusive); Textview.settext (ss);#02 # Method Two:Textview.settext (html.fromhtml ("

Android Common color Table

, click the button to toggle the color of the screenFirst of all, create an Android project (my version is 4.4.2), the name "World", of course, can also be another nameThen find the Layout folder under the Res folder, find Activity_main.xml or fragment_main.xml, enter or drag the buttonThen create a color.xml under the values folderFinally, in the Java file under SRC Mainactivity.javaPackage Com.example.wor

Set the title bar background 1> Preparation Background Image: background_pix.pngNote: Using a background image is better than using color to make the background look like a bump.2> drawable folder XML fileBitmap_repeat.xml XML version= "1.0" encoding= "Utf-8" ?> xmlns:android= "http://schemas.android.com/apk/res/android" android:src = "@drawable/title_pic" android:tilemode= "Repeat">bitmap> 3

Take a look at the android comes with color. ConstantsPublic static final intBlackadded in API Level 1Constant Value:-16777216 (0xff000000)Public static final intBlueadded in API Level 1Constant Value:-16776961 (0XFF0000FF) Public static final intCyanadded in API Level 1Constant Value:-16711681 (0XFF00FFFF) Public static final intDkgrayadded in API Level 1Constant Value:-12303292 (0xff444444) Public

questiondestextview=(TextView) Findviewbyid (r.id.question_des); Spannablestringbuilder Builder=NewSpannablestringbuilder (Questiondestextview.gettext (). toString ()); //Foregroundcolorspan is text foreground, Backgroundcolorspan is text background colorForegroundcolorspan Blackspan =NewForegroundcolorspan (Color.Black); Foregroundcolorspan Grayspan=NewForegroundcolorspan (Color.gray);The second parameter is the starting subscript, and the third parameter is the end of the subscript Builder.set

Android learning-how to fill the color of the Button and implement the rounded corner, androidbutton Create a new folder bt_shape.xml under drawable, as shown below: 1 Use the following in activity_main.xml: 1 The implementation result is as follows:

In Android, we can define tabwidget to be paged. In the previous article, it was said that using Tabwidget to define the tab page layout, but most users might think the default font is a little small, but the tab tab default does not set the font size, what if we want to customize the style?You can control the heading styles in Tabwidget by referring to the following definitions:(Important: Set the font size, alignment, etc.) for the taps title (int i

This problem I am also drunk, tangled for a long while, tried without several methods, but is not responding.Later found that this feature requires Android 5.0 or more version, a look at my test machine is 4.7, I was excited, immediately changed a test,and eggs ah, there is wood!!!But there is a discovery: I want to set the notification bar to Green, toolbar is also green, the main page because business needs are not used toolbar so next to the notifi

How to use:After copying the Color.xml file to the Res/values directory, we only need to r.xml the file name. Name can be called (for example: r.color.red) Android Color Daquan color.xml

Today is a project, is to do video app, if the TV show has many episodes, click on an item, play different episodes, to have a click effect, and the default is to choose the first one. It took a while, and I felt a little difficult.Degrees, and now share with you, here is the effect shows:This class is an example of the main class: Android Click on a ListView (or GridView) item to make its inside TextView discolored, click on another to restore the or

The style code is as follows:Java references:Dialig Dialog = New Dialog (context, R.style.theme_dialog);View view = view.inflate (context, r.layout.test_layout, null);Dialog.setcontentview (view);android dialog set full screen translucent background color

Final Static int[] color_list={color.white,color.white,color.gray,color.yellow,color.red}; Spinner=(Spinner) Findviewbyid (r.id.spinner1); Arrayadapter AD=NewArrayadapter This, Android. R.layout.simple_spinner_item,constants.content_type) {@Override PublicView Getdropdownview (intposition, View Convertview, ViewGroup parent) {TextView View= (TextView)Super. Getdropdownview (position, convertview, parent); View.settextcolor (Constants.co