Android :: How To Draw Circle In GL?

Sep 2, 2009

I'm new to openGL and I have done some first tests with drawing a triangle. Now I would like to draw a circle, which is filled with a texture, but I have no idea, how to do so.Can someone of you give me a hint?

Android :: How to draw circle in GL?


Android : Draw Circle On Alpha Channel?

Jan 12, 2010

I've created a bitmap that I'm overlaying over another bitmap. I'd like to alter the transparency of sections of the overlaid bitmap, revealing the bitmap beneath. I can't find a way to write only to the alpha channel of the overlaid bitmap.

For example, I have a bitmap filled with red pixels, and an alpha that is 255, opaque. A solid red bitmap. How do I draw a circle on this map that would lower the alpha values toward 0, transparent?

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Android :: Draw A Circle With Transparent Middle?

Aug 15, 2010

Hopefully this is a simple one as I've been asking loads recently...

I am trying to draw the a white circle with the following code...

but it is being displayed as a solid disk, how do I get it to just display as an circular outline with a transparent centre?

I've had a look in the help and it makes no sense to me, probably because I'm not used to the drawing terms like stroke and dither. What's wrong with background and border eh?

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Android :: Draw Circle When User Touches Screen

Aug 1, 2009

I've this code:

Java: (http://nopaste.me/4449 )
package com.patrick.games.whackgroundhog; import android.app.Activity;
import android.content.Context; import android.graphics.Canvas;
import android.graphics.Color; import android.graphics.Paint;
import android.os.Bundle; import android.view.MotionEvent; import android.view.View;
public class Game extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState); setContentView(new Ground(this));
} class Ground extends View { public Ground(Context context) { super(context);
} public void onDraw(Canvas canvas) { canvas.drawColor(Color.BLACK);
} @Override public boolean onTouchEvent(MotionEvent event) {
if (event.getAction() == MotionEvent.ACTION_DOWN) {
//TODO: draw the circle } return true;
} } }

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Android :: Draw Route Path Draw Function

Sep 5, 2010

In my android application I use this method in "draw" Overlay class for draw route on map. Can someone tell me if this method is good (in terms of performance) for route draw on map or I must to put code in Thread ??
I'm new to android.

public synchronized void draw(Canvas canvas, MapView mapView, boolean shadow) {
if (pointsAndTimes.isEmpty()) {
return;
}
Projection projection = mapView.getProjection();
Paint paint = new Paint();
paint.setARGB(250, 255, 0, 0);.............

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Android :: Put Button And Circle On Same Canvas

Sep 2, 2010

I have a question that I wanted to put button and circle on the same canvas. How can I do this? Please give reply as soon as possible.

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Android :: Drawing Circle In MapView

Oct 29, 2010

Trying to draw a circle at a longitude/latitude position. The circle below doesn't show up, does anybody know why?

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Android :: OpenGL Circle Drawing

Mar 16, 2010

I have to recommend just getting a book on the subject.I learned most everything off of examples and documents on the web.After several months, I finally picked up the blue book and everything I had scoured to find is clearly demonstrated in it.Look for the red book and the blue "superbible."They cover everything you need.There are also books specific to ES.Make sure to get a good 1.1 one and not a 2.0-only one.

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Android :: Text In Circle That Rotates On Touch

Mar 5, 2010

I'd like to display a given String in a circle (so bend the string so that the end of the string touches the beginning of the string). And Then I'd like to let the user rotate the circle by grabbing and dragging it clockwise or counterclockwise. Do you guys know what would be the best (simplest, smoothest) way to do this? I already saw that using drawOnPath i can draw text in a circle. Do you have any tips on how to proceed with dragging and rotating the textcircle?

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Android :: Empty Red Circle In Notification Status Bar

Nov 2, 2010

When I have a status bar notification with a number inside, it shows the number fine. But later if I show another notification to replace this one, with no number, it shows an empty red circle. This circle shouldn't be there. How do I remove the red circle? See image here: http://jump.fm/UYHGV.

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Android :: Move A View Object In Circle?

Aug 7, 2009

I have a very simple requirement. I have a View object, lets say an ImageView object. I want to move this ImageView object in a circle.

More specifically, I want to move it along an arc, which is not a complete circle. I found in Android Documentation that comes with SDK that we can create a path from an arc but it does not mention how to use this path to make an animation that goes along that path.

Please note that I dont want to rotate the image. I have to move it in a circular path.

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Android :: Change Vertical Horizontal Rate - Circle Becomes Ellipse

Oct 31, 2010

I want horizontal-vertical rate unchanged. How can ı Do this?? my picture is rate is 320x70. for example, in my phone(samsung galaxy-s GT-I9000) it looks like 320x100. originally I have a circle but it look ellipse... ı have to fix it, but how can ı do?

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout android:background="@drawable/main"
android:layout_width="fill_parent" android:layout_height="fill_parent"
android:orientation="vertical" xmlns:android="http://schemas.android.com/apk/resandroid">
<LinearLayout android:layout_width="fill_parent" android:layout_height="fill_parent"
android:orientation="vertical" android:layout_weight="5"></LinearLayout>.........................

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Android :: Define A Circle Shape In Droid Xml Drawable File

Jul 6, 2010

I have some problems finding the documentation of the definitions of shapes in XML for Android. I would like to define a simple circle filled with a solid color in an XML File to include it into my layout files.

Sadly the Documentation on android.com does not cover the XML attributes of the Shape classes. I think I should use an ArcShape to draw a circle but there is no explanation on how to set the size, the color, or the angle needed to make a circle out of an Arc.

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Android :: Draw Shape Within Shape Or Draw 2 Lines Around Shape

Jun 21, 2010

I want to have a elmenent with a 2 color border outline. I can do a single color outline using the element, but this only allows me to draw a single line. I tried using 2 elements within my but that didnt work either. Is there a way to either draw a shape within a shape or draw 2 lines around my shape (which has rounded corners btw).

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HTC EVO 4G :: Circle Battery App?

Sep 5, 2010

I have seen a battery app that is a circle and has the percent in the middle of the circle. Anyone know what it is

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Android :: Disable Orange Circle Effect When Clicking On A Link In A WebView

Nov 2, 2010

I'm trying to catch the mouse click location so I wrote an onClick in the body tag, but every time I click on the page the whole page turn orange for a little while. Is there any setting can disable this effet?

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HTC Eris :: Circle Battery Zip?

Sep 23, 2010

I'm currently running xtrSENSE 4.2 and was wondering if anyone has a circle battery with the percent inside zip I can D/L and flash? I've been searching and haven't found a zip and I'm not comfortable with renaming files or running commands/prompts. If anyone can point me in the right direction.

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HTC Incredible :: Circle Battery MOD

Aug 31, 2010

Can I get the circle battery mod even though I have not rooted?

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HTC EVO 4G :: Circle Dock For Phone?

Sep 1, 2010

I already have a circle dock on my computer but it would be awesome If could get it on my phone. Ive actually seen pictures of one. someone said it was a widget but couldn't remember what it was called or where he got it. So does anyone know what it is?

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HTC Incredible :: Circle Battery With Percentages?

Oct 1, 2010

I am running SkyRaider 2.5.2 Vanilla and would like the round battery icon with the percentages. I have tried a few that I found but all of them altered the original look of the ROM and I really like the ROM the way it is. Does anyone know of one that won't mess up the look of the ROM?

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HTC :: Circle Battery For Evil Eris?

Jun 15, 2010

Anyone know if there's a way to get the circle battery indicator for Evil Eris? I'm running 2.0.1 if that helps...

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HTC Desire :: Timer Circle Keeps Appearing?

Jul 28, 2010

i have noticed that when i finish a call or when i unlock the phone sometimes the timer circle appears in the middle of the screen and i can see the home screen appearing in the background, i have a task killer installed but its not set to stop any of the android phone services, just wondered if anyone else gets this , its a pain as you have to wait for stuff to load before you can use the phone

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Nexus :: Getting A Red Circle With Number 2 In It On Status Bar

Jan 12, 2010

hey, ever since installing the swype beta (which sucks on this phone btw) im getting a red cirlce with a number 2 over it in the status bar. Im pretty sure it is related to swype but im not sure what its trying to tell me...any help?is there any app that takes screen shots so i can post up?

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Sprint HTC Hero :: E With Circle Around It On Top Representing?

Feb 3, 2010

What is the E with the circle around it on the top representing?

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Adding Text Inside A Circle

Oct 10, 2012

how can I add text inside a circle? the circle is made by Canvas.

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General :: Change Notifications Circle

Aug 16, 2012

I use go launcher ex and android 4.04 on samsung s3. what png file is the red notification? Where is the file, in what folder? I like to change this.

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Motorola Droid X :: Circle Battery Indicator

Oct 9, 2010

I got one from the Dark Gray Status bar theme from over at XDA but would really just like the circle on top of the Nex Theme since its so awesome . Anyone know where I can get one at. Ive searched a lot of other forums and found some for other droids but didn't know if it would work with the X and most of them had to be installed through metamorph.

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HTC EVO 4G :: White / Light Spot Or Circle On Screen

Jun 21, 2010

Yesterday I noticed a small white circle on the screen. It looks like an area on the screen the might be displaying brighter.

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Samsung Epic 4G :: Little Circle To Right Of Red Led Notification Looks Like Dust?

Sep 23, 2010

my 4g the little circle to the right of the red led notification looks like its full of dust or something. anyone else have this or is it a fluke? or am i right?

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Motorola Droid X :: What Is Black Circle On Back?

Jun 29, 2010

Okay so I was looking at the cases for the DX and I noticed a big gaping hole on the back bottom of the case.I know there is the speaker hole and mic there, but there is another bigger black circle right above the google logo.

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