Android :: Android Eclipse Error - Gson Cannot Resolved To Type

Jun 20, 2010

I'm relatively new to Java, eclipse and android so this could be a completely silly question, but I'm going to ask it none the less.

I've got a project I'm learning with to test connecting to the flickr api and simply displaying recent images. I'm at the point now where I want to parse the JSON received from flickr. I've downloaded gson 1.4 and added the zip to the java build path through "add external jars." It's successfully loaded and I can see google-gson under referenced libraries in the package explorer. My problem is, when I try to use it, I simply get an error.

Gson gson = new Gson();

It highlights Gson and says that "Gson cannot be resolved to a type." What am I missing here? It worked once and has since stopped. I've tried removing the jars, cleaning the project and re-adding the jars but it still doesn't work.

Android :: Android Eclipse Error - Gson cannot resolved to type


Android :: Deserializing ArrayList Of Non-generic Type Using GSON

Jul 6, 2010

I'm trying to deserialize json data to an ArrayList of Restaurant object as follows (inpsired by what I found in https://sites.google.com/site/gson/gson-user-guide#TOC-Collections-Examples):

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

But this gives the error shown at the end of the post.

It seems that there is some null pointer in listType... Here's a watch of listType:

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

What's wrong with my code? How can I do that?

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

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Android : Map Activity Cannot Be Resolved To A Type

Oct 21, 2009

I have tried using MapActivity as it is suggested by this tutorial: http://developer.android.com/intl/fr/guide/tutorials/views/hello-mapv... However I get this error message in Eclipse: "MapActivity cannot be resolved to a type". Yes, I have checked Google APIs 4 and even verified that in default.properties. Code...

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Android :: Type R.drawable.stat_notify_calendar Cannot Be Resolved

Mar 22, 2010

I'm trying to make a notification in Android.

But i get the error in the title by using:

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

Do i need to define something before i try to draw it?

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Get Error R Cannot Be Resolved To Variable?

Oct 13, 2013

Just after creating the new Android Application Project, I get the error "R cannot be resolved to a variable" in my MainActivity.java file

Why am I getting this problem if the app was created by Eclipse choosing all the default options? How can I fix this issue?

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Android :: Resolve The Error - Com.android Internal R Cannot Be Resolved - Using Android File MultiAutoCompleteTextView.java

Aug 15, 2010

I want to implement my own Tokenizer base on the file
"MultiAutoCompleteTextView.java",

but I encounter an error "com.android.internal.R cannot be resolved" when I try to

import "MultiAutoCompleteTextView.java" to my project.

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

I haven't research any solutions to resolve this problem.How to correct "com.android.internal.R.attr.autoCompleteTextViewStyle" my own attr?

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Android :: Android - Cannot Be Resolved Or Is Not A Field - Error

Jul 21, 2010

I keep getting this error... should I just make "id" a field?

My code:......................

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Android : Which Type Of Eclipse Needed For Programming

Jul 28, 2010

For programming the Android, which Eclipse do I need ? (I means Eclipse for c++ or java or ...)

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Android :: Eclipse Shows Error But No Error Found

May 21, 2010

Eclipse is showing an error (little red "x" next to my project name), but there is no error shown in any files meaning there is no corresponding "x" next to any file...nothing. When I try to run it, it says, "Your project contains error(s), please fix them before running your application."You received this message because you are subscribed to the Google Groups "Android Developers" group.

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Android :: No Android Project Type In Eclipse File

Jun 8, 2010

I am running CentOS 5.5 x86_64 with JDK 1.6, Eclipse Galileo, and the 0.9.7 ADT is installed; however, after installation, the Android project type is not available. I have checked in the installed packages list and it is installed. Anybody encounter this problem before? Could it be due to my use of the 64-bit java VM that is installed on my system?

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Android :: Error - The Method Xxx Is Undefined For Type ActivityManager

Jul 26, 2010

I am getting the following error:

ERROR: The method killBackgroundProcesses(String) is undefined for the type ActivityManager

Now I am dead sure that ActivityManager contains that method http://developer.android.com/reference/android/app/ActivityManager.html#killBackgroundProcesses%28java.lang.String%29.

Here is the code.

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

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Android :: Droid String.xml Error For Every Character I Type / What To Do?

Aug 8, 2010

I am going through the android hello world tutorial, and have been stuck when trying to create an XML UI. For some reason, even on a new program, in which I have made no changes to the default build, it gives the error java.lang.NullPointerException after every character I type. I can't figure out why it is doing this, as I am just trying to edit the text between the Text I want to set it to say something other than what is set by default. However, even with a fresh build, no changes, and I just try to change the text within the xml tags, it still gives the error. What do I need to do to allow it to let me type? I am using the eclips IDE and the android sdk. I was able to do the first part of the tutorial that doesn't involve XML.

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Android :: Can't Add To Current Window In Titanium Appcelerator - Get Type Error / Fix It?

Oct 5, 2010

I just started learning titanium for mobile using the android. I followed all the install steps and got the hello world script to work just find in the android emulator. The problem is Im trying to use example code to see how it all works. The example code Im currently having problems with is code...

When I run this in the emulator I get the following error:

TypeError: Cannot call method "add" of null.

What am I doing wrong?

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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 :: JSON Deserialization Using GSON

Nov 24, 2010

I have the following json response from a url:

CODE:........

And here's how I'm doing the parse:

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

When I run the code, I get this error: ERROR/AndroidRuntime(823): java.lang.RuntimeException: No-args constructor for class com.project.driver.Driver$Post does not exist. Register an InstanceCreator with Gson for this type to fix this problem.

I'm having trouble with defining a suitable Driver.java for the parse. When I omit the 'last5comments' field, everything works fine, it's just the 'last5comments' bit I'm having trouble with...

Here is Driver.java:

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

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Android :: Error In An XML File Eclipse

Jun 26, 2010

I am trying out the HelloWorld example. I get an error when I want to create the strings.xml file: when I open the already default string.xml file in the project I get the error: An error has occurred. See error log for more details. java.lang.NullPointerException

The file looks like this: <?xml version="1.0" encoding="utf-8"?> <resources> <string name="app_name">Android the best but this sux</string> <string name="hello">Hello all this is a android app</string> </resources>

What is wrong. I can not seem to find it....

My machine: OS: Windows 7 64 bit enterprise

Eclipse: Version: Helios Release Build id: 20100617-1415

Installed 32 and 64 bit java latest version.

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Android :: How To See Error Log For Droid In Eclipse

May 19, 2010

How/where can I see what happened when my Android application crashes in Eclipse (using Run, not Debug)?

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Android :: Error On Creating New XML From Eclipse / Why Is So - Fix It?

Jun 1, 2009

Just a few days working on Android, but... I don't see this to be "normal" (well, the Dalvik isn't but that's another subject... xD)

when i try to create a new XML file (for a layout) from eclipse, using the android plugin, it shows up a window saying "Problem Opening Wizard - The selected wizard could not be started", and the error comes to show:

"The selected wizard could not be started. Plug-in com.android.ide.eclipse.adt was unable to load class com.android.ide.eclipse.editors.wizards.NewXmlFileWizard. com.android.ide.eclipse.editors.wizards.NewXmlFileWizard"

Ok, I see the error is something missing (or failing) in the plugin...

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Android :: Google Gson Running On Droid / How Does It Work

Mar 4, 2010

I'm playing arround with google gson for communication with my web back end at the moment.
This and this older posts indicate that there are some problems with gson on android.

I did some easy tests on the device already but maybe I just missed the bug.

Edit I'm now parsing a lot more data. Generic lists etc. still not encountered the bug.

Has anybody used gson on Android already? How does it work? Has somebody encountered bugs or something that will stop me from using it once it gets more complicated?

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Android :: Gson To POJO Object, Not Working Properly

Sep 2, 2010

I am developing an Android application and I access a RESTfull web service that returns a JSON. This JSON I want to put it in POJOs but I think I am missing something as it doesn't work.

The JSON retuned is as follow:

CODE:.....

This is returned in response variable

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

And now I try the following:

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

The error I get is:

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

Here are the POJO objects

CODE:.......

To access the web service I use the class from: http://lukencode.com/2010/04/27/calling-web-services-in-android-using-httpclient/

Can't figure out how to continue. I found some subjects here but still didn't found a way around.

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Android :: Build Aphone Error With Eclipse

Feb 25, 2009

build android error with eclipse, can u help me? Code...

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Android :: Got Error While Creating Project In Eclipse 3.6.1

Nov 10, 2010

I got the following error on error log,"conversion to dalvik format failed with error 1" How to resolve this issue?

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Android :: Got Syntax Error Of Files Of Svn Under Eclipse

Jul 8, 2009

I am developing android program under eplicse environment. I use svn to store all my files. But it seems that svn files cause some problem.

I got some errors like this:

CODE:........

It seems android system wallk all directories under src, and try to parse files under .svn folder. Is that bug?

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Android :: Error When Run - Debug App On Eclipse / Solve This?

Nov 5, 2009

This is the error that eclipse gives with the latest Android SDK code...

Linux myubuntu 2.6.28-16-generic #55-Ubuntu SMP Tue Oct 20 19:48:24 UTC 2009 i686 GNU/Linux

java version "1.6.0_13" Java(TM) SE Runtime Environment (build 1.6.0_13-b03) Java HotSpot(TM) Server VM (build 11.3-b02, mixed mode)

Any clues on how to solve this error?

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Android :: Eclipse Launch Error When Trying To Run Droid App / Fix It

Jan 26, 2010

I'm trying to set up my workstation for Android development with Eclipse Galileo. I installed the latest ADT plugin and the Android SDK, but I get this error when I try to run any basic Android project I create code...

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Android :: Out Of Memory Error On Eclipse / Avoid This?

Aug 27, 2009

I was using ADT for debugging and then I get this Internal error: out of memory error

Is there any way to avoid this?

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Android :: Ninepatch Error In Eclipse 3.5.2 / Solution For This?

Aug 16, 2010

I'm using Eclipse 3.5.2 on win7 with latest sdk update. Every time i create ninepatch image and copy it into drawable folders, the project becomes error, seems that the file cause error and not supported. Any solutions?

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Android : Signing Error When Installing SDK Into Eclipse

Oct 19, 2009

I was installing the SDK today and it warned me that the package contained unsigned software.I followed installation instructions.is this normal?

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Android : Error Installing Plugin In Eclipse

Jun 3, 2009

I read the docs for installing android plugin for eclipse. I did it according to it and i have downloaded and installed the plugin but after that when i cliched on Windows-preferences i could not find Android in left panel. What could be wrong in it ?

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Android :: GSON And The Flickr API Problems - JsonParseException When Deserializing Json

Jun 24, 2010

I'm building simple app, simply to learn the android ropes, that will display a list of the most recent photos uploaded to flickr. The app is constructed but it's crapping out when it tries to deserialize the json that I get back from flickr. Here is my error:

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

From, the error I'm assuming it has something GSON doesn't like about the json that is being returned but I don't know enough about how java converts objects and other types of variables during the whole operation.

I'm not sure if you will need this but here is some of the code from the project:

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

Here is FlickrPhotos:

CODE:........

Here is FlickrPhoto:

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

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