Android :: Multiple Gradient Xml ?

Jul 23, 2010

Is there a way to have 2 gradients in a drawable xml using either a <layer-list> or <shape> or some combination of them?

Android :: multiple gradient xml ?


Android :: Get Rid Of Gradient At Top Of An Activity?

May 28, 2010

How can I get rid of the gradient at the top of my screen (the very top of the blue in the screenshot below... below the notification bar)?

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Android :: PNG 24 With Gradient / Not Showing Correctly

Jun 5, 2009

I have a LinearLayout and I am setting a Background image. I am using a PNG24, and the image has a gradient in it. When I see the image on the computer the gradient is perfect, but when I see it on the emulator or on a real phone, some colors are lost and I see only like 10 colors, so I see lines and not a perfect gradient. Is the emulator 'compressing' the images? Should I make them in other format?

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Android :: Alpha Gradient On Bitmap Of PNG

Dec 11, 2009

I'm trying to apply an Alpha gradient to a bitmap that I've created from a PNG. I want the image to be opaque at the top and fade to transparent at the bottom. I know this can be done be using getPixels and setPixels for Bitmap and iterating through each row of pixels in the Bitmap and setting the alpha values accordingly, but i was hoping there was a slightly neater way of doing this. I have been looking at the LinearGradient Class and using a Porter Duff transfer mode, but i don't seem to be having much luck with this. It seems that my source image is lost when i apply the Shader to the drawable. Anyone have any tips on how i might apply an alpha gradient to a bitmap?

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Android :: Smooth Gradient On Different Devices

Jul 26, 2010

In my app i have gradient as drawable which i am using as background and i want it to make it look as smooth as possible. After googling and trying by myself i came up with the following. On nexus one if you call only setDither(true) your gradient is still banding so you have to set PixelFormat like this Window.setFormat(PixelFormat.RGBA_8888). But on the other side G1 does not support RGBA_8888 so calling it make the gradient even uglier than before so Window.setFormat(PixelFormat.RGBA_8888) will not work well on devices that don't support it.What is the correct way smooth my gradient on all devices on which my app will run.

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Android :: Gradient Image Is Displayed Incorrectly

Sep 21, 2009

I have got another mysterious issue. So, I am setting a background image for LinearLayout. This image contains gradient. Don't know why, but after I launch application the image appears to consist of several parts that actually form "smooth transition" of gradient, and that's why it seems that background image is not a gradient.

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Android :: Gradient Banding On High DPI Devices

Nov 2, 2009

I've been looking at some issues with the background of our application, particularly on high-density devices (240 dpi, 480x854). I managed to eliminate banding on existing devices (i.e. G1/G2, 160 dpi) by applying the android:dither="true" attribute to our nine-patch image, which is a 1x480px PNG with no noise added. Looks great. However, if I use the same image on a higher resolution device, the banding is pretty nasty looking. Same happens regardless of whether I use a shape+gradient, a noisy nine-patch PNG, or an android:dithered nine-patch PNG -- even if I create an 854px-tall image. Is the use of gradients going to become a problem on high screen density devices, purely because of the display colour depth, or is there any way to solve this?

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Android :: Gradient Drawn On Canvas Looks Banded / What To Fix

Sep 23, 2010

I have a gray gradient drawable (png image in res/drawable). If I draw it on a white Canvas it looks banded (not smooth). If I put the gradient on white background in GIMP, and then draw this drawable on the Canvas, it looks great. What's the problem? I tested this on Nexus One. Calling setDither(true) on the drawable has no noticable effect.

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Android :: How To Add Padding To Gradient <shape> In Phone

Oct 25, 2009

I have a shape with a gradient that I'm using as a divider between ListView items. I've defined it as follows:

<?xml version="1.0" encoding="UTF-8"?>
<shape
xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">

<gradient
android:startColor="#ccd0d3"
android:centerColor="#b6babd"
android:endColor="#ccd0d3"
android:height="1px"
android:angle="0" />

</shape>
I would like to add 6 pixels of padding on either side of the gradient, so that it doesn't extend from edge to edge of the screen.

However, no matter where I put an android:left="6px" and android:right="6px", it doesn't seem to take effect. I can put it in the <shape> element, the <gradient> element, or in a separate <padding> child of <shape>, and it doesn't change anything.

How can I add padding on the left and right of my list divider?

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Android :: Gradient Styles - Not Working On The Outer-most LinearLayout

Aug 10, 2010

In my Android application I've hidden the default title bar, introduced a TabView and added my own titlebar under that TabView's tabs. At the moment, I'm using the ?android:attr/windowTitleStyle style which makes my new titlebar look gray and gradient. It looks pretty good, but my screens are looking pretty grayscale. I'd like to spice things up a bit by making this titlebar a different color gradient.

What am I looking at here? Creating my own image and using it? The ?android:attr/windowTitleStyle style seems to expand depending on the height of your custom titlebar; so I'm not sure it's actually a single image.

I've attempted to throw a LinearLayout over it with a bit of translucency (ex: making the color #800000FF), but the gradient style I have behind this LinearLayout disappears.

Update:

Per my answer down below, I've figured out that I can create an XML file that defines a gradient and use that. It works fine inside a LinearLayout (titlebar_gradient) I have on my layout. However, it is not working on the outer-most LinearLayout (background_gradient). Could someone tell me why? As I understand it, the ListView should be transparent...

code:...............

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Android :: Way To Make Custom Seek Bar Having Color Gradient?

Feb 15, 2010

I want to make a custom seek bar having color gradient as shown in the below image URL.

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Android :: Fill A Path In Droid With Linear Gradient?

May 14, 2010

Given a closed Path object result is like this: http://www.tutorialguide.net/images/adobe_photoshop/0043/001.jpg. Although that is a rectangle I'm looking for something which works with any closed Path.

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Android :: Color Banding - Png Resource That Has Gradient Fade-out Alpha

Oct 29, 2010

Seems my original post ("ugly pngs...") somehow disappeared :( nvm.

I have a problem with a png resource that has gradient fade-out alpha.

The png looks great in the emulator, but displays an artefact known as "color banding" (http://en.wikipedia.org/wiki/Colour_banding)

Has anyone surpassed this issue ?

My designer wants to trop a shadow behind his icons, and that's where the bands appear.

What are my options ?

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Android :: Extend TextView To Allow Drawing Of Text With A Gradient Effect?

Apr 21, 2010

How would I extend TextView to allow the drawing of text with a gradient effect?

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Android :: Sample Code To Draw A Circular Gradient Mask On Bitmap In Droid?

Nov 11, 2010

Is there a way to draw a circular gradient mask on a bitmap in Android? Trying to produce something similar to a foggy window. Click the window and a transparent circle shows up revealing whats behind the window. Prefferably using a gradient so the center of the circle is completely transparent and the further out from the center the less transparent. Is this possible?

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Android : Draw A Button - Set A Stroke Color - Align" A Gradient To The Bottom Without Knowing The Height

Jan 27, 2010

I am creating a button programmatically. It is rounded and has a gradient background, and works fine and looks nice, but I couldn't do two things I wanted:

Set a 1 pixel stroke with a given color. I tried getPaint().setStroke(), but couldn't figure how to set the stroke color. How should I do it?
Align the gradient to the bottom of the button, no matter what height it has. Is this possible?

For reference, this is the code I'm using:

CODE:...................

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Android :: Using Linear Gradient As Background Looks Banded / Reduce This "behavior"?

May 28, 2010

I'm trying to apply a linear gradient to my ListView.
This is the content of my drawable xml code...

So I apply it to my ListView with:

android:background="@drawable/shape_background_grey"

It works but it looks very "banded" on emulator and on a real device too.

Is there any way to reduce this "behavior"?

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Android :: Creating A Drawable Rectangle In Xml With One Gradient On Top Half And Another On The Bottom Half

Feb 21, 2010

I'm trying to create a drawable in xml, a rectangle with one gradient on the top half, and another on the bottom half.

This is NOT the way to do it, apparently:

CODE:................

How can I do this, preferably in a way that makes it stretchable to any height?

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Android :: Pros - Cons Of Multiple Activities In An App Vs One Activity - Multiple Views

Aug 16, 2010

Are there design guidelines to help decide if an application with multiple views should be designed with multiple activities or just one activity and control the back button itself.

I've tried both. My most complex applications using one activity per screen. However, now that I'm successfully written an app with just one activity and handling the back button myself, I don't see any compelling reason to use multiple activities. The one activity application is much simpler and more straightforward.

What advantages of multiple activities am I missing?

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Android :: Use Multiple Activities Or Multiple Content Views

Feb 18, 2010

I'm working on an application using xml layouts.

I wish to know which is better:
1. Use few activities and change its contentview
2. Use an activity for each 'view' needed

If both works, in which case which option would be better?

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Android :: Should App's With Multiple Layouts Have Multiple Activities To Handle Each

Jul 1, 2010

I'm planning to develop and app that presents the users with several different screens (of different information).
Was wondering what would be the best way to implement this?

Is it better to have separate XML layouts and an activity to display and allow the user to interact with each screen of data?

OR would handling all of these in the same activity be more efficient (and dynamically load / unload each layout)?

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Android :: Starting Activity With FLAG ACTIVITY MULTIPLE TASK To See Multiple Instances

Feb 2, 2009

I am trying to launch an activity from another activity .. Within the com.android.SingleLauncher..

I have activity launch code as ..

CODE:...........

I have set the android:multiprocess="true" in the AndroidManifest.xml of TargetSL I don't seem to see the multiple instances of TargetSL, which i am expecting ..

All i see is 2 process, where i was hoping to see an instance of TargetSL, for each launch that was invoked by the singleLauncher!

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Android :: Support For Multiple PDP?

Feb 20, 2009

I want to know when will Android support Multiple PDP.

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Android :: App With Multiple Activities

Feb 8, 2010

I have a very simple game that consists of only one activity, and I want to add a title screen.If the title screen is another activity, what changes do I need to make to my manifest file to make the title screen open first?The gameplay activity is called Leeder, and the title screen activity is called LeederTitleScreen.

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Android :: Multiple API Versions Of An App

Oct 3, 2009

How can I publish two versions of my app without changing the package name, so that users may upgrade to either version, one for Anroid 1.5 and one for Android 1.6 ? I want to offer new features requiring Android 1.6 as soon as possible, but not all users will have upgraded to Android 1.6.

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Android :: 3D Map With Multiple Pictures

Mar 28, 2010

I am picturing something like what I saw on G4 a year or so ago. Program that takes multiple pictures and creates a 3d map based on them in which you can walk around inside the map. I really wish I still had the bookmark for that page. Anyway, is that the same as what you are talking about here? Or am I mistaken? If it is the same, it is an amazing concept. I look forward to the site being up and running so I can poke around a bit. (Right now, it won't connect).

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Android :: Multiple Packages In App

May 27, 2010

I am including a class in my app that another developer has made freely available. His class has a different package. Will this cause any issues on Android, the market, etc? Does every single class in the app need to be my own package?

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Android :: Multiple App Installer

Aug 1, 2010

Is there an app available, either from the Market or other sources, which would allow me to install 300 apks at a time instead of going through eachone? I have discovered Droid Explorer but I am not willing to root my phone.

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Android :: Multiple Widgets - Each Needs Its Own?

Oct 10, 2010

If an app provides multiple widgets, e.g. 1x1, 3x1 etc., does each widget need its own AppWidgetProvider or can they share one?

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Android :: Multiple Icon On App

Feb 26, 2010

I am trying to build an app that would have multiple icons with multiple captions based on the area. HOw can i do that in Android because right now there is no way to change the icon dynamically. It is tied to teh AndroidManifest file? Can I override it ?

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