Android :: How Can Resource Xml Will Be Changed In Runtime

Dec 20, 2009

How can the resource drawable xml can be changed at runtime for example. <resources> <drawable name="solid_red">#f00</drawable> <drawable name="solid_blue">#0000ff</drawable> <drawable name="solid_green">#f0f0</drawable> </resources> can be changed in runtime to <resources> <drawable name="solid_red">#ff00</drawable> <drawable name="solid_blue" >#0000fff</drawable> <drawable name="solid_green">#f0ff0</drawable> </resources>

Android :: How can resource xml will be changed in runtime


Android :: Set Image Resource As Package Path In XML For Runtime Images

Apr 19, 2010

Set the image background path as package:imageName Example. At runtime , my package is com.test.android .Inside that i have an image whose path i want to mention in the XML layout file as android:src = com.test.android/img1 for an ImageButton.I saw an SDK reference for ImageView as android:src = @[+][package:]type:name.But i am not getting how to use it.I think it must not be possibe , but if there is any way , please specify.The reason why i want to do this is that,when i specify a drawable at runtime for my image buttons, i change the images according to Focus received, or onKeyup, KeyDown.. but its not working as expected.When i mention the same thing as style under drawable, it works fine. So if my theme is going to change at runtime, i want to set the drawable at runtime, keepnig the path same in the xml.

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Android :: Random Numbers Changed / When Orientaion Changed

Aug 14, 2010

I am generating the random numbers and do some functionality with that .but when i change the orientation new random numbers are coming.But I want portrait random numbers.For this give me some suggestions.

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Android :: Runtime Error Using Exported - Signed Apk But No Runtime Error Using Eclipse IDE

Mar 2, 2009

1) I am developing my app in Eclipse 3.4.1 with Android (ver 1.1_r1) plugin. My app compiles and executes without errors when using the Eclipse IDE.

However, when I export my app (unsigned) using Eclipse (via {select project} >right-click>Android tools>export unsigned application package), sign it, and try to run it on the Emulator, it throws a runtime error when I try to update my sqlite database, at which time the specific error created is: SQLite error#14, unable to open database. It is able to read from the database without problems. (I have also verified that the database is: open, is not readonly, is not locked by another thread, is not in the middle of a transaction.)

I have limited experience, but this seems more like a "system" problem given that the app works OK in Eclipse IDE but then fails as an exported/signed apk. Some googling of SQLite resources revealed a similar error on a non-Android platform which was fixed by: "Set your permissions correctly on /var/tmp, or whatever directory you are using to hold temporary files".

Does Android have temporary files, and if so how does it handle permissions on temporary files? Is there a way to check or set these permissions to see if this fixes my problem here?

2) Not sure if it is related, but after I have run the exported/signed app which causes the runtime error, if I reboot the Emulator, and try to run the program using the Eclipse IDE , the program fails with the same exact error. PLUS I also noticed the following error message while the program is installing/running: 03-01 22:22:29.282: ERROR/PackageManager(53): Package com.northwestradiology has mismatched uid: 0 on disk, 10019 in settings; read messages:

I can restore the Eclipse version of my program to be able to execute without runtime errors by utilizing the -wipe-data option for the emulator. But note that if I run my signed APK using an emulator created with the -wipe-data option, it still throws the runtime error listed above...

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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 :: Know The Db Size At Runtime?

Nov 12, 2010

i'm trying to know the database space available. In J2ME you have getSizeAvailable(), but there is no direct replacement in Android, so i thought about doing getMaximumSize() minus database size, the thing is i just can't find a way to know the db actual size, at runtime.

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Android :: How To Add Items To ListView During Runtime?

Aug 30, 2010

How to add items to a ListView in Android during runtime?

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Android :: Draw View At Runtime?

Mar 29, 2010

I'm just getting started with developing for Android. I'm looking to port one of my iPhone applications, but I'm kind of at a loss for how to draw a view at runtime (a view not declared in the XML). Basically, I want to draw a simple rectangle, but then be able to manipulate its frame after being drawn. Sorry if this is a really, really simple question, but I can't seem to find some equivalent to the iPhone SDK here.

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Android :: Add Scroll View For Particular Row In Runtime?

Aug 9, 2010

In my tableview i need to add the scroll view for the particular rows . Is there any way to create like this in android?

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Android :: Create Rows At Runtime

Oct 15, 2010

I want to create n number of rows at runtime after clicking button and 2 number of columns for each rows. I had tried but can't succeed. Anybody knows how to do this?

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Android :: Is Runtime Mapview Defining Possible?

Jun 26, 2010

I've been trying to use a mapView in my app, and have been following the tutorial; http://developer.android.com/resources/tutorials/views/hello-mapview. Code...

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Android :: Application Checksum At Runtime

Sep 19, 2010

As an additional anti-pirating strategy, I'd like to compute a checksum on my application at runtime. Since my app communicates with a back-end server, I can send the checksum with each message and the server can deny service to altered apps. Not a complete solution to piracy by any means, but a fairly easy way to raise the bar. Anyone know how an app can get access to it's load image at runtime?

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Android :: Swap XML Layouts During Runtime?

Jul 27, 2010

Is it possible to load my main.xml layout file in onCreate() and then later in the app, switch to a new XML layout? I've tried placing setContentView() later on in the app but that seems to not actually set the new View because my references to objects in the newly set xml layout file are returning as null. I've tried doing some layout inflating using the LayoutInflater but I'm having no luck (I'm probably doing something wrong)... So is there any other way to swap layout xml layouts at runtime?

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Android :: Any Way To Set Style For View At Runtime?

Sep 3, 2010

Is there a way to set a style for a View at runtime? I've seen this question a few times on the board here but no answers, so probably not:

<ImageView android:id="@+id/blah" style="@style/mystyle" />
// later... ImageView iv = (ImageView)findViewById(...);
iv.setStyle(R.style.myotherstyle);

Is it not possible to do something like this? We have to manually change everything in code instead?

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Android :: Update Textview At Runtime?

Jun 26, 2010

I receive data from udp server from my application.when i receive data i have to show that on the screen.I just use the Textview to display the incoming data(textview.setText ("data")).But it displays the last incoming data only.I need to show the previous data also.how to solve this? DatagramSocket clientsocket=new DatagramSocket(6363); byte[] receivedata=new byte[1024];while(true)DatagramPacket recv_packet=new DatagramPacket (receivedata, receivedata.length);textview.setText("UDP S: Receiving");clientsocket. receive(recv_packet);String rec_str=new String(recv_packet.getData()); textview.setText (" Received String "+rec_str); when i use append method it display's after all the incoming finished. I need to view when the data is coming at that time i have to show that.

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Android :: Delete Assets At Runtime

Jun 25, 2009

I have a large (900kb) asset in the assets directory which is only used once by the app at initialization time. Is there way for me to delete this file at runtime? If not delete change it's contents to "0" and effectively reduce its size to almost nothing. There isn't really any point of having this take space on the phone's limited memory.

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Android :: Modifying Manifest On Runtime

Nov 3, 2010

I am writing an application that will run on 2.0 and above. Now, I am thinking of adding the Data backup feature to the application. Is there anyway to modify the manifest file to include the metadata only if the phone is using Froyo(2.2). Ideally, i would like to avoid creating a separate application for just Froyo.

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Android :: Runtime API Level Detection

Apr 27, 2009

I'm trying to product a binary that is compatible with 1.1 and 1.5, but i'm having trouble with the ViewSwitcher class behaving different. I'd like to create a wrapper for it, but I need a way to programatically detect the api level at runtime.

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Android :: Way To Tell What Api Level Is On A Device Runtime

Aug 26, 2010

Is there a way to get the api level ? eg. to an int.
I want to make 1 version of an application but only use AnticipateOvershootInterpolator()
to >3 Api level devices.

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Android :: Keep Track Of Runtime Of An Application?

Oct 15, 2010

How do I keep track of the runtime of an application.

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Android :: Add Mapview In Tablelayout / Row At Runtime?

Jul 29, 2010

I know how to use map in application. But i have to use map in particular table row at run time. I have used mapview in my another activity. can i use that map view (by id)
to show map in that row.

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Android : How To Change App Names On Runtime

Mar 22, 2010

Is there a way that after install a app, user can have the option to change the app name through a configuration page in that app? Where are all app names saved in the system?

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Android : Want Application Runtime Load New Jar?

Sep 8, 2010

My application update some jar files,I want runtime load jar files or any idea?

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Android : Adobe AIR Runtime Can Run On Droid?

Dec 29, 2009

I'm from Argentina and this is mi 1st post, sorry for my poor English.

My doubt is if Adobe AIR runtime, for desktop apps, can be installed and run on Android.

Recently i get a smartphone (Droid phone) and i want to use the multi- touch API launch by Adobe, to mobile devices, and is ideal to test on the smartphnoe directly, only if Adobe AIR can be run on Android ..

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Android : Create Runtime Thumbnail?

Apr 5, 2010

I am having image large size image, at run time i want read image from storage and scale it so that its weight and size will be reduce and i can use it as thumbnail when user click on thumbnail i will display full size image.

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Android :: Runtime Language Change Support

Mar 8, 2010

I am developing an Android App which communicated with a server. User can select a language of his choice at startup or during the App execution lifetime. After selecting the language, the corresponding XML file is downloaded from server according to language which will map the "Values" of Application strings according to that language. Can I do something like replacing the default Strings.xml which contains English names(Say by default) to the language selected by user. Better will be adding an XML file per language and referring it runtime directly.

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Android :: Dynamically Loading JAR File At Runtime

Mar 18, 2009

I am storing the required test.jar file in the /sdcard. I want to load it dynamically at runtime and want to execute a function xyz() resides in that. For this purpose I had written following code:
But got ClassCastException : dalvik.system.PathClassLoader

Following is my code ,
import java.io.File; import java.io.IOException; import java.lang.reflect.InvocationTargetException; import java.lang.reflect.Method; import java.net.URL; import java.net.URLClassLoader;

import android.app.Activity; import android.os.Bundle; import android.util.Log;
public class Collabera extends Activity {
/** Called when the activity is first created. */
private static final Class[] parameters = new Class[] { URL.class };
public static void loadURLClass(String classPathURL) throws IOException {
File f = new File(classPathURL);
URL url = f.toURL();
URLClassLoader systemLoader = (URLClassLoader) ClassLoader.getSystemClassLoader();
Class systemLoaderClass = URLClassLoader.class;
try { Method method = systemLoaderClass.getDeclaredMethod("addURL", parameters);
method.setAccessible(true);
method.invoke(systemLoader, new Object[] { url });
} catch (Throwable t) { t.printStackTrace();
throw new IOException( "Error, could not add URL to system classloader");
} }
@Override
public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Log.i("See","**************Before Loading Class Path**************");
try { Class.forName("test.Test1");
} catch (ClassNotFoundException e) { System.out.println(" Test Class Not Found ....");
} Log.i("See","**************After Loading Class Path**************");
try { loadURLClass("//sdcard//test.jar");
Class c = Class.forName("test.Test1");
Log.i("See"," Test Class Found ....");
Method method = c.getMethod("xyz", null);
Object o = c.newInstance();
String s = (String) method.invoke(o);
Log.i("See","Got method: " + s);
} catch (ClassNotFoundException e) { System.out.println(" Test Class Not Found ....");
} catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace();
} } }

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Android :: How To Know An Opengl Method Is Implemented - In Runtime

Sep 13, 2010

I mean in runtime. Sometimes I get "called unimplemented OpenGL ES API" error but it can not be catched. Is there a way to figure out what function is implemented or not, in runtime?

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Android :: Change Size Of LinearLayout On Runtime?

Apr 15, 2010

How to change the size of LinearLayout when it is runtime ? I've set the size dynamically when it is runtime. But no luck. Didn't change the size of LinearLayout.

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Android :: Insert Image In View At Runtime

Mar 4, 2010

I have to insert, at runtime, an image in an ImageView. I haven't it in local, but i can get it from an URL.

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