Android custom gradient ring progress bar, android gradient Ring
First look at the effect:
Analysis: common in scenarios such as scan results and progress bars
Draw an arc using canvas. drawArc (RectF oval, float startAngle, float sweepAngle, boolean useCenter, Paint)
Some attributes of Paint define the width, color,
shape incomplete ring (ring)This address: Http://blog.csdn.net/caroline_wendy android can not only draw ring (ring) , you can also use the properties "Android:thicknessratio" , Draw incomplete ring . The Thicknessratio
Recently, the integration of real-time chat in the project, pick and choose, the final choice of the Ring Letter SDK for development, the main reason to choose the ring letter is the interface is convenient, concise, explain the document clear and understandable. The documentation has Android, IOS, and backend server, or it's very full.
Let's look at the final effect.Static:
Dynamic:
First, begin to realizeCreate a new doughnutprogress inheritance view
public class Doughnutprogress extends View {
}
First, the code for constants, variables, and public methods is given to facilitate understanding the following code
private static final int default_min_width = 400; View default minimum width private static final int RED = 230, GREEN = n, BLUE = 35; Base color, here is orange red private static final
Android custom control tutorial 1: how to implement the three-level ring menu of the old Youku Client,
Reprinted Please attach this article link: http://blog.csdn.net/cyp331203/article/details/40423727
Let's take a look at the effect:
At a glance, it seems quite dazzling and complicated... In fact, it is not difficult. Let's take a look at how to implement it:
The basic material is as follows:
Let
Copyright NOTICE: This article for Bo Master original article, without Bo Master permission not reproduced.Directory (?) [+]Android color Processing (vi) Radialgradient ring renderingpublic radialgradient(float x, float y, float radius, int[] colors, float[] positions,shader.tilemode tile)
Float x: center x coordinate float y: center y coordinate float radius: radiusInt[] Colors: Render color ArrayFl
We need to download the progress of a download, and maybe the product to a beautiful interface, rather than the android comes with the progress bar, in this thank http://blog.csdn.net/lmj623565791/article/details/ 24500107 Blog's selfless dedicationNo more nonsense, just cut into the subject.Create a new Android project first: CustomprogressbarDo you remember the steps to customize the view?1. Custom View P
@Overridepublic boolean ontouchevent (Motionevent event) {Super.ontouchevent (event);Switch (event.getaction ()) {Case Motionevent.action_down:After tapping the screen, set the radius to 0,alpha to 255.Mybean bean = new Mybean ();Bean.radius = 0; Click the rear radius to first set to 0Bean.alpha = Maxalpha; Alpha set to Maximum value 255Bean.width = BEAN.RADIUS/8; Stroke width This randomBean. X = (int) event.getx (); The x-coordinate of the drawn circleBean. Y = (int) event.gety (); The y-coord
ProgressWheel: progress bar of the Android open-source ring,
This is a custom Android component that replaces the standard progress bar component. Implement various progress bar styles, including rings and scans.
XML:Add the following to your attr. xml (res/value ):
12345678910111213141516
Add in your root view
1
Xmlns: ProgressWhee
Android TileMode effect water ripple effect ring gradient, androidtilemode
TileMode is an enumeration class located in the android. graphics. Shader class.Android source code
public enum TileMode { /** * replicate the edge color if the shader draws outside of its * original bounds */ CLAMP (0), /** * rep
system will not enter sleep phenomenonRefer to the following method to have the dialog box appear above the lock screenThe OnCreate method is usedRequestwindowfeature (Window.feature_no_title); Hide TitleWindow win = GetWindow ();Windowmanager.layoutparams winparams = Win.getattributes ();Winparams.flags |= (WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD| WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED| WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON| WindowManager.LayoutParams.FL
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