Android :: Listview With Alternating Resources In Android

May 10, 2010

I have a ListView and an adapter that sets alternating background colors to the list items overwriting getView Method in my adapter. I want to go further and I would to set to each row a Resource background. I try in getView call the method setBackgroundResource:

private int[] messages = new int[] {R.layout.message,R.layout.message2};
//...
public View getView(int position, View convertView, ViewGroup parent) {
View v = super.getView(position, convertView, parent);
int MessagePos = position % messages.length;
v.setBackgroundResource(messages[MessagePos]);
return v;}

But this not work, and I the message throws by exception is File res/layout/message.xml from drawable resource ID #0x7f030004

Android :: Listview with alternating resources in Android


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 :: Alternating Styles On ListView Using Extended ArrayAdapter

Oct 27, 2010

Currently my ListView is filling up with the given String[] but I wanted to alternate some styles on the ListView items. Something weird is happening (I'm surely missing something obvious); The ListView Index is not fixed and the styles are not alternating as supposed. My Code is the following:

import android.app.ListActivity;
import android.content.Context;
import android.graphics.Color;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;..................

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Android :: List Items With Alternating Colors

Jan 12, 2010

I have a list view and an adapter that sets alternating background colors to the list items ("zebra" list style):

public View getView(final int position, View convertView, ViewGroup parent) {
int colorPos = position % colors.length;
...
convertView.setBackgroundColor(colors[colorPos]);
return convertView;}

But now, when i select an item using scroll wheel, or when I click an item, the original colors for selecting/clicking do not override my custom backgrounds (I can see the original color below the one I set).
How can I set the original colors for these states?

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Android :: Android - Retrieving All Drawable Resources From Resources Object

Jul 11, 2010

In my Android project, I want to loop through the entire collection of Drawable resources. Normally, you can only retrieve a specific resource via its ID using something like:

InputStream is = Resources.getSystem().openRawResource(resourceId)

However, I want to get all Drawable resources where I won't know their ID's beforehand. Is there a collection I can loop through or perhaps a way to get the list of resource ID's given the resources in my project?

Or, is there a way for me in Java to extract all property values from the R.drawable static class?

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HTC EVO 4G :: Alternating Orange / Green Blinking LED

Sep 27, 2010

On my end, I'm HOT AS HELL. Today has become official the hottest day in Los Angeles on record, breaking 112 degrees in downtown LA. I had an errand to run on my lunch break, so I ventured out into the heat and, while in line at the drive thru to get lunch before heading back, I noticed the LED on my EVO slowly blinking orange, then yellow. I looked, and the phone was no longer charging, even though it was plugged in.

Looking at SystemPanel, my battery was at 118.5 degrees, and it felt a bit hot, but not too much so. Upon returning to my office, the phone is now plugged in and the LED is a solid orange. Was the alternating blinking LED telling me my phone was overheated? If so, have I damaged my phone? It seems to run fine, thankfully.

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HTC Droid Eris :: LED Alternating Colors While Charging?

Feb 1, 2010

So, my Eris has been charging for a while, and I was playing Cestos, and noticed my LED was alternating between Green and Amber. So I exited my game, thinking I probably had an E-mail. Well I didn't. I unplugged my charger, plugged it back in, and it continued this for about 15 minutes. It isn't doing it now, but I just would like to know the cause of it.

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HTC Droid Eris : LED Started Flashing And Alternating From Red To Green

Apr 6, 2010

While charging my phone today, I noticed that my LED started flashing and alternating from red to green. It was plugged into my wall and I was using it while it charged. I suspect this means Im using more juice than Im gaining because my battery was losing power. It also heated up more than usual. Returned to normal once I left it alone.

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Android :: Way To Change ListView Style Droid Without Building Custom Listview ?

Jun 26, 2010

I would like to change text and back ground color of my Listview without building custom rows. Is this possible ?

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Android :: How To Keep ListView Header From Scrolling With ListView Content?

Jun 24, 2009

There must be a way to do this. How can you tell a ListView that has a header to not scroll it when the user scrolls the contents? I want it to stay in a "stuck" position so that the user can always see what column the content applies to.

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Android :: Getting Resources Outside Of An Activity

Mar 31, 2009

I currently have a few classes that are called by an activity (some statically) in which I want to use a string resource. I tried: Resources.getSystem().getString(R.string.mystring), but am getting an error. It seems as though you can only use this within an activity.

Is there anyway to use a project resource in a standard (non Activity) class without having to pass the resource object from the activity calling the class?

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Android :: Freeing DB Resources

Oct 18, 2010

I have an app with 2 Activities and an IntentService all which need to access the same SQLite Database table. What's an appropriate pattern to use?

Should I create a ContentProvider that manages access to the database, ie opening/closing, querying, updating etc. And have the 3 clients all access the DB via the ContentProvider?

Or is it OK for each client to access the DB directly? This is the approach I have now and it seems to be working, but I need to close my cursor and the DB after executing every statement or I start generating stacktraces in the log about unclosed DB resources. But closing the DB after each statement seems wasteful and I suspect that this approach will always be susceptible to the stacktraces because there is always the potential for collisions between either of the Activities and the IntentService.

I haven't been able to find any good resources that show DB usage in full. It always snippets that miss out the *obvious* piece such as when should the resources be closed etc.

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Android :: Video In Resources

Feb 13, 2009

Anyone was able to play a video included in the .apk? I'm able to play this video from the SD card but not when it's a resource.

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Android :: Access Resources Of An Apk

Apr 20, 2010

I'm thinking at putting a .txt file in res/drawable or in res/layout to have it in the apk when the application is packed, and then after install to open and read from it to perform some tasks . Can this be done ? If yes please let me know how can I access the file ,as I don't know it's path .

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Android :: How To Get A Path To Resources

Sep 10, 2010

I'd like to use the RandomAccessFile class to access a file that ships with my application. However, that class only accepts a String which is the path to the file. If I place my file somewhere like the assets directory, how do I construct a path to that file? I know I can use the getAssets methods to read up resources, but those only return InputStreams which cannot be seeked.

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Android :: Can I Load Resources From Another App

Nov 8, 2010

I'm developing an Android app for which we will be selling separate content in the Android Market. Since Android lacks an in-app purchasing model as iOS has, I have come to understand that this is the ideal way of selling additional content (but NOT functionality) for Android apps.

So the question is, how do I actually load raw resources from other Android apps, assuming that I know the exact name of the resource, app ID, etc.?

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Android :: Share Resources Across APK's?

Nov 22, 2010

Is it possible to share resources across APK's? For example, can application A (in APK A) load an icon or layout view from application B (in APK B)?

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Android :: Referencing .R Resources ?

Aug 24, 2009

The question boils down to whether phone manufacturers are required to keep resources that are available in SDK intact. Say, will android.R.drawable.ic_menu_preferences be the same file on any phone?

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Android :: Accessing Raw Resources

May 18, 2010

In J2ME, I've do this like that:
getClass().getResourceAsStream("/raw_resources.dat");

But in android, I always get null on this, why?

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Android :: Get Resources By Name (string)?

May 7, 2010

For example code...

How can I get the resource by its name?
Without using R.raw.yuri = (int)

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Android : Way To Pass Resources

Feb 21, 2010

Need some advice from you experts out there. I've just started with Android programming and while I finally got what I want my "Hello World" to do, I feel as if I'm bludgening my way through rather than grasping concepts. I created three EditText boxes. Below those I created three Spinners. Pick a number in the Spinner and it will show up in the corresponding EditText box. Spinner 1 correlates to EditText 1, Spinner 2 to EditText 2 and Spinner 3 to EditText 3. I had a hell of a time getting this to work. I do have some cleaning up to do. Is there a better way to pass or reference resources around various classes?

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Android :: Batch Getting Many Bitmap Resources?

Jan 24, 2010

I have a long series of graphics -- icon1_0.png, icon1_1.png, icon1_2.png..., icon12_0.png, icon12_1.png, icon12_2.png -- and I'd like to package them with my android application. Ideally I think I should be able to load them as resources but the resource id's are set up as java identifiers. Of course, java identifiers can't be assembled at runtime. I have to ask for R.drawable.icon12_00 so I cannot set up a loop

for(int icon=0;icon<12;icon++)
for(int frame=0;frame<3;frame++)
//syntax error obviously
BitmapFactory.decodeResource(getResources(), R.drawable."icon" + icon + "_" + frame + ".png");

So is there any way to get resources by their names? Better yet, is there a canonical way outside the resource system to pack data files into an android application package so that I can get at them? I'm thinking about reflection but that doesn't seem like the right solution to me.

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Android :: Add New Resources Subfolder In Eclipse

Apr 27, 2010

I need to add a res/drawable-nodpi folder to my Eclipse ADT project. My project originally contained drawable, drawable-hdpi, drawable- ldpi, layout, etc subfolders, but no drawable-nodpi. How do I add this to the automatic resource build process? I tried to manually create the subfolder and copy files to it, but those resources are not being auto-generated. How do I make Eclipse utilize the new resources subfolder?

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Android :: Getting All Resources From Other Apks - Using CreatePackageContext

Aug 23, 2009

I was able to play around with the resource on a different apk and get them using createPackageContext as you suggested.

Here is an example of the code:

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

This works well. now i am trying to get ALL the drawables (or all the layouts) in this package. i tried a multitude of ways including reflection and AssetManager but was unsuccessful. any tips here? just to be clear i can not use R.drawable.icon as this is a different context.

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Android :: Releasing Resources In OnDestroy

Aug 20, 2010

I understand that the system may kill the activity without calling onDestroy(). Say I have a MediaPlayer that runs even when it's not visible, I would be releasing the player in onDestroy() method.Now, if the system decides to kill the activity after calling onPause() and never called onDestroy(), what does it mean for my MediaPlayer? Is it ever released? This is bigger problem for Camera since I think it requires to be released for other activities to use it.

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Android :: Access Resources From Another Application

Jan 28, 2009

I have created a subclass of Activity, 'CustomActivity', that overrides the onCreateOptionsMenu and onOptionsItemSelected methods. In a couple of other applications I have extended this subclass to provider a common menu for each activity. Is it still possible to access the resources from this Subclass? By default it uses the resources from the current activity (Strings, xml layout etc.).

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Android :: Accessing Resources From Other Packages

Jul 27, 2010

I'd like to access resources from other packages installed. Is there any better practice than using getResources() combined with createPackageContext()? Another question is how to use resources from other packages in methods like Notification(int icon, CharSequence tickerText, long when), where 1st argument is just resource id?

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Android :: Can I Obtain Resources With A Given Locale

Jul 28, 2009

I have different text packaged into my app for different locale. The Resource.getString(int resid) method automatically returns me the string for the CURRENT locale of the phone. Is there a way I can specifically obtain resources while passing in a locale? For example, there isn't such method as: Resource.getString(int resId, Locale myLocale);

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Android :: Discover Resources That Are Available In An Application?

Feb 1, 2010

How does one go about listing the resources that are available in an application?

For example, I would want to find the names of all files under /res/ xml.

Reflection on the R class didn't seem to work since the identifiers are static constants. R.xml.class.getDeclaredFields() doesn't return any fields.

The AssetManager didn't seem to work either because these are not raw assets.

Does anyone have ideas or examples?

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Android :: Pack Resources In A Way To Get Distributed With Apk?

Mar 24, 2010

Is it possible to pack resources in a way that they get distributed with apk? I know it's impossible to use subfolders in res's directories (drawable, raw, etc)... so I was wondering if I can create folder (data) and somehow tell compiler to include all resources from that folder - and later access them with InputStream (without using R.)

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