Android : Cannot Retreive Color From Colors.xml Through Custom Resource / Fix?

Sep 4, 2010

I'm going through an Android tutorial and I'm trying to access a color I've defined in colors.xml

<color name = "my_background">#3500ffff</color>

Then I'm trying to access this color by name:

Paint background = new Paint();
background.setColor(getResources().getColor(R.color.my_background));

but it doesn't recognize my_background as a resource. If I let the suggestions come up, only a bunch of pre-defined colors pop up that are unrelated. Any ideas? It doesn't make sense for me, I see almost the exact same thing from the developer documentation and another site, but it doesn't work for me.

Android : Cannot retreive color from colors.xml through custom resource / fix?


Android :: How To Use Resource Within A Custom Xml Resource File?

Aug 3, 2010

I have an XML resource file:
<resources> <section>
<category value="1" resourceId="@xml/categoryData1" />
<category value="2" resourceId="@xml/categoryData2" />
<category value="3" resourceId="@xml/categoryData3" />
</section> </resources>
Using XmlPullParser, on the START_TAG, I can use:
int value = parser.getAttributeIntValue(null, "value", 0);
to get values 1, 2, 3...however:
int resourceId = parser.getAttributeIntValue(null, "resourceId", 0);
doesn't work...it just yields the default value 0, or whatever I change the default value (3rd parameter) to be. Does anyone know what I am doing wrong or if this is possible?

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Android :: Change Colors For ListView - Alternating Row Color?

Apr 24, 2010

I have a couple of list views, one uses TextViews laid out with xml, the other uses a custom class derived from View. The default halloween color scheme is pretty ugly. How can I change the background and selection colors for the list elements. Ideally, I'd like to be able to do this in code not xml, to handle the custom view.

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Android :: First App Changing Background Color From List Of Specified Colors

Jan 28, 2010

This is my first app so finding my way around bit by bit and have been experimenting a little and would like to change the background colour to a colour from a list.Currently it loads a white background specified in strings.xml <color name="all_white">#FFFFFF</color> This is used in main.xml:android: background=" @color/all _white"Ideally I would like to change the colour in OnCreate() to a colour of my choice. I have tried setBackground Drawable but it doesnt seem to work?This is my code:public class TestActivity extends Activity double dimValPercent = 100; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super. onCreate (savedInstance State); setContentView(R.layout.main); SetDimLevel(dimValPercent);SetBackground(); return;}public void SetBackground(){getWindow().setBackgroundDrawable( new ColorDrawable (color.all_blue) );

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Android :: Can App Customize Scroll Bar Colors Like Thumb Color / Image?

Feb 24, 2010

Can the application customize the scroll bar colors like the thumb color/image or the background color image.

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Android :: LinearLayout With Color Resource?

Aug 17, 2010

I followed this tutorial to create a color state list for a particular Android view. I just want it to highlight when clicked so the user knows why the screen just changed.

When the view is rendered, I get the following error:

CODE:.........

My color XML (in res/color/viewcolor.xml):

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

My layout XML (in res/layout/myview.xml):

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

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Android : Turn A Color Into A Resource?

Oct 1, 2009

I want to change the background image of a button either into a resource drawable or a solid color.

findViewById(R.id.myView).setBackgroundResource( xyz == 0 ? R.drawable.myBackground :

instead of zero, i want some solid color...

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Android :: Color Gray Resource Icons (especially Microphone)?

Nov 18, 2010

i'm currently developing an application for android. Therefore i want to create a microphone widget, like the one in googles Searchdialog. This icon is filled with white color, like a bargraph, depending on the recorded volume level. I already found the icon (ic_btn_speak_now.png) in the drawable ressources, delivered with the SDK. Unfortunately the icon isn't an simple shape with a transparent area for the microphone shape. Instead it consists of some different gray values. My question now is: How do the google developers (and others, where i've seen it) fill only the microphone shape of the icon with color?

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Android :: Selector Resource Use A Color Defined In A Style?

Sep 21, 2010

I'm trying to use a color defined in a stlyle in a selector but it is causing a Resources$NotFoundException.

First I added a new attribute to attr.xml:

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

Then I defined that attr value in styles.xml:

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

Then I tried to use that attr in my selector definition:

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

Lastly, the activity uses the ThemeNoTitleBar style theme in the manifest.

I've also tried creating a color in colors.xml and having it use the new attr but that also fails.

I'm obviously missing something but am not sure what to do to fix it. My intent is to create multiple themes and have the selector use the color in the currently selected theme.

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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 :: Use Default Highlight Colors In Custom Button

Sep 10, 2010

I want to use a Button in my android app but I want to customize how it looks. However, I want the highlight and selected colors of the button to be the same as the default colors (i.e. the dark and light orange gradients, or whatever the theme color supplies).Is there anyway to get the default highlight/selected drawables and to use that as the fill for my buttons on the selected and highlighted states?

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Android : Need To Make A Custom Button Shape Keep Systems Colors

Nov 4, 2010

I am creating custom shapes for certain buttons but I want them to maintain the systems current color scheme. I thought that by not applying a gradient or color it would automagically take care of this for me but I am mistaken. By doing that I end up with a black button and black text. Any pointers?

Obligatory code...

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Android :: Populating Custom Layout From Xml Resource

Aug 8, 2010

I have created a custom list item layout just like in this article http://developer.android.com/resources/articles/layout-tricks-efficie....

Each list item has icon, title and summary.

I would like to declare an xml resource that would provide data for that list. Just like you use <string-array> to populate the list using ArrayAdapter<String>.

The simple ArrayAdapter<String> can be populated from:

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

I need each <item> to have icon, title and summary. Somewhat similar to:

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

I would use <menu> but menu doesn't have summary if I'm not mistaken.

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Android :: Custom Locale - Invalid Resource Directory Name

Oct 16, 2010

the Android phones in Slovakia have a custom locale - en_SK and cs_SK. Language is either Czech or English, location is Slovakia. Now I would like to have strings that target these locales. The default approach is to create a folder "values-CountryCode", for Czech Republic it's values-cs.

But I get a build error if I add a folder name values-en_SK or values-cs_SK: "invalid resource directory name"

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Android :: Retreive Battery Uptime

Jul 16, 2010

Is there a way to retrieve the the amount of time since the battery has been charged? It doesn't appear like there is a way to do so with BatteryManager, but they show it to you in the settings. I see it here source , but it doesn't appear like there is a way to grab it.

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Android :: Retreive Default Application Associated With File Type

Jul 18, 2010

Is there any way to retrieve either the default application name associate to a mime type or a list of applications? Im not looking for the actual application just the application name so it can be stored in a string.

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Android :: Retreive Contacts From Emulator To My Application In Droid?

Sep 2, 2010

I want to create a contact list application in my android phone.i want to retrieve all the contact list from emulator and the contacts should be listed.

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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 : Change Background Color Of Custom Xml File In Droid?

Feb 16, 2010

How to change the inner color of my xml file.It has default color as black only.how to change to other color.i have gn by xml file below .xml file is used for creating border,but i cant change the background color.

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Android :: Use Custom Color For Each Textview In Listview That Extends SimpleAdapter In Droid?

May 31, 2010

I have a listview with custom rows and that extends SimpleAdapter.
Each row consist of two linear layouts : 1st having two textviews of which one is hidden in horizontal orientation, second having two textviews in horizontal orientation.
Now depending on the value in hidden textview , I want to setcolor for the remaining items for the row.
To put it as simple:
each listview item has some custom colors the value of which comes from the hidden field.

I have done this by overriding getview() for the simpleadapter and returning view for each, but this makes list very slow to render (and that I think is obvious as so much of work for each view before showing it).

Can I do this in some more efficient way ? like making views and then add up to list instead of using xml layout maybe one solution OR any other?

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HTC Incredible :: Allows For Different Colors For Notification LED Colors?

May 27, 2010

I use Twicca for Twitter, which allows for different colors for the notification LED. I used to have it set for red on my Moto Droid, but it only flashes green on my Incredible. Anyone also use Twicca know what colors I can use?

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Android :: ListView With Alternate Color And On Focus Color

Jun 17, 2010

I need to set alternate color in list view rows but when i do that it removes/ disables the on focus default yellow background

I tried with backgroundColor
rowView.setBackgroundColor(SOME COLOR);

also with backgrounddrwable.

CODE:.........

But it wont work. is there any way we can set background color and on focus color simultaneously which will work.

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Android :: Selection Color And Text Color In Whole Project

Apr 22, 2010

Is there any process to change the default text color white to "Black" and default selection color of android "orange" to "Blue" for whole project. i am using Eclipse for Android development.

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Android :: Use Own Color Instead Of Default Orange Color For Selection

May 23, 2009

1. I want to use my own color for selecting ui views.

By default, android shows the selected view with background as orange. I want to show the view background color as red.

2. In the same way, I want the same behaviour should be applied to whole application.

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Android :: Setting Color In Two Different Ways Color/color1

Mar 19, 2010

I have seen this example:

@*android:color/secondary_text_light

What's that * asterisk doing there? What is the difference when using or not?

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Android :: Customize Color Of CheckMark Color In A Dialog

Aug 16, 2010

How to customize the color of the CheckMark color in android in a dialog. Currently , By default, the color of the checkmark is green by default. I would like to customize it to a different color of choice

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Android :: Color Of Text In TextView Changes Color

Feb 18, 2010

In android, when I press on a TextView, the text changes color (from white to grey). how can I disable that functionality?

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Android :: Android Default Color - Primary - Text - Light Is Color Black

May 28, 2009

I got a little textview defined in layout xml:

CODE:.........

As you can see the background color is "background_light" (this results in white color) and the text color is "primary_text_light" (this results in black color).

I would have thought that primary_text_light would result in a "light" color like white, not black ;-)

When i change "primary_text_light" into "primary_text_dark" the text color becomes color white.

Is this a bug in the naming of the default colors?

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Android :: Android - Color State List Resources - Specify A Background Color

Oct 17, 2010

To give the user of my app an indication which field currently has the focus I am trying to change the background color of some of my fields depending on the current state, however, I am having troubles understanding Androids Color State List Resources:

There is this example at the bottom of http://developer.android.com/guide/topics/resources/color-list-resource.html. If I try exactly the same, i.e. if I want to adapt the textColor , things do work. However, if I try an only slightly different thing, namely to adapt the background color, things do not work and I don't understand why? Why is this so inconsistent?

To make it simpler to understand what I am trying to do, I append my misc. .xml files:

The AndroidManifest.xml file:

CODE:.........

If I run this as shown here, it works, i.e. I get a button whose text color changes depending on whether the button is focuses, pressed, etc.

If I uncomment the lower button, where I just flipped the attribute values for textColor and background I get an exception, stating

... <item> tag requires a 'drawable' attribute or child tag defining a drawable

What the heck am I missing here? Why is that color state list acceptable as a text color but not as a background color? How does one specify a view's background color depending on the view's state?

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Android : How Do I Set Color Back To "Color.BLACK" After User Releases Touchscreen

Mar 27, 2010

I'm programming my first Android application and I've stumbled over a little problem.

I've created my own adapter ("extends BaseAdapter") for my ListView and in my "public View getView(...)" I have the following code:

My problem: How do I set the color back to "Color.BLACK" after the user releases the touchscreen?

I'm looking for something that is similar to Javascripts "onMouseUp" or "onKeyUp" methods. An OnClickReleaseListener() perhaps?

Can you point me in the right direction?

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