Android :: Read Resource Based On The Current Theme?
Nov 22, 2009
In my case I need to be able apply a color conditionally (for example based if an item is read or unread) so I need to be able to read the "read" and "unread" colors from the current theme and apply them appropriately.
I gave the color special attribute name in my attr xml file and assigned it different values in 2 different themes. if I do getResources().getColorStateList( <my attribute resource ID>) it fails because it can't find the resource. It seems like something needs to first resolve the attribute Id to the Id of the resource in the current theme, but I am not sure what does that.
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May 27, 2010
I have a graphic (test.png) of which I need to include density- specific versions, so I put a large (150 X 150) version in res/ drawable-hdpi, and a smaller (100 x 100) version in res/drawable-mdpi. I then include an ImageView, and set the src attribute to @drawable/ test. In the Eclipse Layout editor I can change the configuration between mdpi and hdpi configurations and the correct version of test.png is displayed. Unfortunately, when I compile and load onto a device, the mdpi version is always chosen. The only time the hdpi version is chosen is if it is the only option. I have tested this on the Droid and EVO 4G, which are both running Android 2.1 Update 1, and also the emulator with the same results. For what it's worth, I have also tested on a Motorola CLIQ (running Android 1.5) and an Ion (currently running CM 5.0.7) and they get the mdpi version (as expected, since they are both mdpi devices).
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Nov 3, 2010
I need to get the context to be able to get a resource. Like this:
getApplicationContext().getResources().openRawResource( R.raw.texture );
I've seen the getApplicationContext() in the android documentation but when I try to use it in the above code it doesn't work - it doesn't exist.
I can send the context through functions to get it to where it's needed and it works. However, I find it cumbersome to send a variable through many functions that doesn't need or use it. Then I would rather just try to get it in the function that do. But the getApplicationContext(), as in the android documentation, doesn't work - http://developer.android.com/reference/android/content/Context.html
So how do I get the context so I can read resources? Or are my only option to send it through all my functions?
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Sep 14, 2010
I am trying to read a file "words.txt" from a resource. It is a very simple, but large (2 MB), text file that I want to read line by line. I have put the file into /res/raw/words.txt, and try to open it with the following code:
CODE:...................
However, I get a java.io.IOException. This is not a "resource not found" exception, so the resource is opened correctly, but the readLine() produces the error.
I tried using the InputStream itself, with the result that read() produces -1, which stands for EOF, as if the file was empty.
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Nov 3, 2010
I have a text file added as a raw resource. The text file contains text like:
a) IF APPLICABLE LAW REQUIRES ANY WARRANTIES WITH RESPECT TO THE SOFTWARE, ALL SUCH WARRANTIES ARE LIMITED IN DURATION TO NINETY (90) DAYS FROM THE DATE OF DELIVERY.
b) NO ORAL OR WRITTEN INFORMATION OR ADVICE GIVEN BY VIRTUAL ORIENTEERING, ITS DEALERS, DISTRIBUTORS, AGENTS OR EMPLOYEES SHALL CREATE A WARRANTY OR IN ANY WAY INCREASE THE SCOPE OF ANY WARRANTY PROVIDED HEREIN.
c) (USA only) SOME STATES DO NOT ALLOW THE EXCLUSION OF IMPLIED WARRANTIES, SO THE ABOVE EXCLUSION MAY
NOT APPLY TO YOU. THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS AND YOU MAY ALSO HAVE OTHER LEGAL RIGHTS THAT VARY FROM STATE TO STATE.
On my screen I have a layout like this:
CODE:........
The code to read the raw resource is:
CODE:....
The text get's showed but after each line I get a strange character [] How can I remove that character ? I think it's New Line.
WORKING SOLUTION
CODE:....................
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Jan 7, 2010
Is it possible to add ZIP file to APK package as a raw resource and read it with ZipFile class? It looks like it's trivial to open file from SD card, but not from APK.
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Sep 3, 2009
In my application I have a list of +400 GPS coordinates which I retrieve from addresses. The application should give me the top X nearest coordinates based on my current location.
This application is possible (I think) with the distanceBetween function. But (I think) the application is really inefficient when i iterate through the list of 400 coordinates and check the distance within a certain time interval. Another option is (I think) the proximityAlert function? All coordinates are loaded in this function and when my current location comes in the radius of a coordinate an alert is given. But the downside of this solution (I think) is the high memory usage which implies a short battery life of the Android phone?
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Oct 27, 2010
I'm in the middle of implementing themes for my application right now, and everything's been going really smooth until as of late. I've been using the android:background="?thin_border" tag to provide a background for linearlayouts with items that I want visually grouped together. The problem I'm running into is when I try to use this tag in an xml with a custom class as one of the elements, and try to add this background tag.
I've got an xml file that looks generally like so:
CODE:.................
and the custom class has two constructors:
CODE:........
with some other functions that store values, manipulate the data, etc. The custom layout class is only ever called directly in the xml, and the xml is inflated like so:
CODE:...........
The problem I'm running into is that I'm getting these error messages:
CODE:.................
The error seems to be caused by the android:background="?thin_border" tag. If I remove it from the layout, it inflates fine, and the program continues on. As soon as I add it back in, I get these errors and the program stops.
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Aug 18, 2010
I am new to the android programming environment. I am currently working on a project which deals with the user's phone battery level.I am showing the current battery level left on the phone.now i want to display the amount of duration of "idle time, talk time, video playback, audio playback and web surfing" that can be done based on the current battery level. What kind of approach shall i follow.(or) What available API shall i use to get those.
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Nov 16, 2010
Is there a method to read the frame buffer of the current screen? I searched some data about the frame buffer. Some one used the glReadPixels method, but the information was not enough. Does anyone know how to read the current frame buffer in detail?
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Nov 16, 2010
Is there a method to read the frame buffer of the current screen? I searched some data about the frame buffer. Some one used the glReadPixels method, but the information was not enough. Does anyone know how to read the current frame buffer in detail?
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Jul 3, 2010
over the last month i have changed a lot of times the appearance of my desktop. However is there a way to save the current view of my phone? In order if i want in the future to select it again to be able easily, without taking so much time in creating each specific shortcut? This is something i think that the developers of homescreens need to think about.
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Sep 28, 2010
I currently have FlyX installed with a theme on it. Can I just put the new theme.zip on my sd card and apply in the recovery like the last one or do I have to remove the current theme and then install it?
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Nov 15, 2010
Black Out
Preview 5.1
for Fission 2.2.2
Brought to you by javroch
Feel free to repost, but please ask and always include a link back to this original post at all times.
[THEME] Black Out (Current Version: Preview 5.1 for Fission 2.2.2) - xda-developers
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Aug 12, 2010
I am trying to get a input stream from something like this.
CODE:.........
And then call parse on the parser instance i Created. SOm how i get nothing . Works fine if I use a server XML....
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Jul 30, 2010
Can anyone recommend a weather widget that displays the current weather based on location? Preferably cell tower info instead of gps and one that only used data every set interval based on my settings so that it doesn't use data constantly.
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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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Sep 10, 2010
I'm trying to create a basic AlertDialog using an activity with a theme of Theme.Dialog.What I want is for there to be a horizontal bar between the title and the message. However, the bar is not being resized correctly. Rather than being the width of the activity, the bar is the width of the message text. This means that if the activity is being expanded by the message, then the bar will fill the whole activity, so it looks correct. However, if the message width is less than the activity width, the bar only displays above the part of the activity with the text. I've tried every single combination of "fill_parent" and "wrap_content" that I can think of, and none of those work.I've also tried using RelativeLayout and placing the bar above the message text, but that also doesn't work. If I use the RelativeLayout approach and set the bar to fill_parent, it causes the activity to expand to fill the whole screen width, which is also undesirable. Ideally, I want the text placed, the activity width computed, and the bar resized to that width (without affecting it). Is there some way to flag a view to fill the parent view but not to affect its size?
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Jul 15, 2009
I use themes in my apps, which generally just extend android:Theme and then set a bunch of styles. I use dialogs made from layouts, but since I set the theme for the application, they have inherited all of the regular styles and no longer carry a border, etc. My question is: How do I say, "I want everything to use this theme which extends Theme, except dialogs, which should use this other theme that extends Theme.Dialog"? It seems like that's how things work by default but when you set the theme to your own, you lose the dialog theme!
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Mar 6, 2009
I've extended Theme.Dialog to use a different color as per the sample in the ApiDemos project but for some reason it does not use the theme properly in my project. I created a new project and it works perfectly fine there. The main problem here is that it does not show as floating in my project. Instead, it sets the rest of the screen black except for what would be the dialog window, where it uses the correct colors, etc. Any ideas? I am beating my head against the wall here.
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May 13, 2010
The default behavior of an activity when BACK softkey is pressed is, GO BACK TO PREVIOUS ACTIVITY. If some the same activity is waiting for some response from server or some data updation is going on and then press BACK, I want to wait on the same screen till the current task is completely processed and then move out to the previous activity.
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Aug 31, 2010
What are C based services and Java based services in Android? What is similarity and dissimilarity between them ? Are C based services available in Android?
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Oct 6, 2010
I know this has most likely been discussed many times. But I am looking for a decent email widget.
At the moment I am using the default htc email widget, however when ever I read an email from my gmail account it doesnt update the read status so it still shows as unread.
I would like one that would update the read status and possible the support for unified inbox so I can see new mail from hotmail account and gmail.
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Sep 13, 2010
Is there a performance impact, especially with regard to battery performance, if we switch from the default black theme of android to white or another colour?
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Sep 6, 2010
I am using the function decodeResource(Resources res, int id, BitmapFactory.Options opt).I am using it in the following way:
BitmapFactory.decodeResource(getResources(), R.drawable.image,opt);
My question is instead of using R.drawable.image which is an image in resdrawable folder, I want to use a image from sdcard.Is it possible? How to get the resource id of an image in the sdcard?
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Oct 11, 2010
I do have a lot of language specific resources. There's one point in my Android apps where I do get a resource value and need to translate this value into the matching id. The value is not neccessarily in the language specific file for the current language (en/de/...). It's somewhere in there ... and it's unique.
After reading the docs and this thread "http://stackoverflow.com/questions/3476430/get-resource-id-by-passing-name-as-a-parameter-in-android" I thought that "getIdentifier(String name, String defType, String defPackage)" is the correct way to go but I can't get it to work. The result is always "0".
This code is part of an activity and I'm on Android 2.2.
Is it possible that Android doesn't take all resource files into account and searches just in the current language specific one?
For an example
CODE:....
To make things clear. I don't want to mis-use string resources as a database. It's only one part that occurs on very rare situations.
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Jul 25, 2010
I will admit - I've never had a smart phone. Never. I was going to get one last year, but waited b/c I heard 2010 was 'the year of the smart phone' - and I'm glad I waited.Though I'd have to see it in person to know for sure, but I'm almost positive that DroidX will be my first smartphone. I'm VERY excited, but I want to make sure that I'm educated enough to use it for all it's worth (ie: my mom has had every iphone, but just leared to text message last month).Is there some place/book/thread/site that I can study which would tell me about smartphones from the very most basic all the way to the more advanced? I'm a smart girl, but I have to start somewhere!
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Mar 18, 2010
When I use the first,app will crash in emulator but the second run well, how can I fix the first. Code...
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Jul 20, 2010
If I am not wrong with the way android:sharedUserId is intended to work, then my question is how to avoid overlapping resource IDs? appt seems to aways start IDs at the same initial value (i.e. drawables at 0x7f020000), so there will be sort of conflict or ambiguation. As for now I failed to get that cleared w/o digging in OS sources. Or I miss anything, like magic "undocumented" appt option (not that aapt is documented at all)?
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Sep 4, 2010
My application has resource conflict problem. Did some investigation, seems like all the resources within the apk file are cached after they are loaded on demand. The cache is stored in Resources.java mDrawableCache. The key to retrieve the drawable from this cache is combining the data and assertCookie fields of TypedValue class. In my application, there are 2 resources, ex. a color background and image drawable, evaluated to the SAME key value.. So just wondering, how can it happen?BTW, I am using eclair SDK.
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