Android :: Unable To Find Explicit Activity Class - Not Found Exception

Aug 22, 2010

The error I receive is, "android.content.ActivityNotFoundException: Unable to find explicit activity class {com.droidea.birthday/ EditBirthdayActivity}; have you declared this activity in your AndroidManifest.xml?"
The error seems simple enough, but I don't see a problem with the way I have identified this activity in my manifest file. I have also been unable to see any problems with the activity class itself..............

Android :: Unable to find explicit activity class - Not Found Exception


Android :: Not Found Exception For Compiled Class

Nov 15, 2010

I am writing an application and due to various reasons I had to build it using make (froyo code) and not SDK. When I run my app on emulator it works fine. I have an Android device and code to build image for the device. When I build my app with device code, it builds fine. How ever, when I run the application, I get
java.lang.ClassNotFoundException:
<package.class> in loader dalvik.system.PathClassLoader[.]

A source file in my code is actually doing
sourceClass = classLoader.loadClass(sourceName);
sourceName here is pointing to a class I actually build (I have classname.java file in my code under correct package directory and package name). Note that this app is running fine on emulator, but on a device it is failing.

I verified that the .class file exists in out/target/common/obj/APPS/ xxxApp_intermediates/classes.jar, classes-full-debug.jar, classes-full- names.jar

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Android :: Jar Dependencies / No Class Definition Found Exception

Mar 29, 2010

I resolved this issue myself. It turns out that the activation framework requires some libraries that aren't native to android, myjava.awt.datatransfer, org.apache.harmony.awt.*, and org.apache.harmony.misc. Once i added those libraries everything worked fine. Code...

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Android :: Activity Not Found Exception?

Aug 20, 2010

I am using startActivity to call another Activity and I get the "Activity Not Found Exception".

Here is my code:

CODE:......

Here is the Logcat output:

CODE:.....

Here is the debug window output:

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

symptomRemedyActivity is another activity in my project. Is there something I need to do like importing symptomRemedyActivity so that startActivity can see symptomRemedyActivity, to remove this "Activity Not Found Exception"?

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Android :: Capture / Trap For Activity Not Found Exception

Mar 16, 2009

I am playing with "android.speech.action.RECOGNIZE_SPEECH" and in the source it says to trap for ActivityNotFoundException. However, I am not sure how I can do this, the activity class doesn't support this event. I found it as part of android.content, but am not sure how to implement it. Multiple inheritance?

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Android :: Public Class Preference Extends Activity - Null Pointer Exception

Jun 19, 2010

My app crashes with a null pointer exception on the code below. I have an xml preference file under res/xml/defaults.xml
public class Preference extends Activity {
public Preference() {
} public String getPreference(String key)
{ //it still crashes here
SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(this.getApplicationContext());
String result = settings.getString(key, null); return result;
} }

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Android :: Activity - Sometimes - Throws Wrong State Class Exception When Being Resumed After Kill

Nov 24, 2009

I'm testing how my app behaves when killed by the OS due to low memory conditions. I always have three activities on the stack, like: A B C (then C launches maps or some other heavy process)

when my app is killed, and I return to it, C starts itself up again ok. When I hit the back button to go to B, I [sometimes] get an exception thrown which I can't trace. Output is below. I don't know where to go from here. I've only seen one other post mentioning this exception, but it was related to a reproducable error when rotating the device. This only happens sometimes.

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

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Android :: ActivityNotFoundException On Explicit Class Declared In Manifest On G1

Sep 30, 2009

I have some code that starts another activity based on a menu item selection:

..........

I've spent quite a bit of time on this and am inclined to file a bug report at this point. I can see a reference to the allegedly missing class in the classes.dex file inside the APK and the code works properly in the emulator. I haven't been able to find anything like this, so if there is, an RTFM pointer will be humbly accepted.

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Android :: Java Unable To Find Class At Runtime From JAR I Created

Nov 19, 2010

I am working through a facebook-sdk example and trying to utilize the collection of classes as provided as a .JAR. I am relatively new to java and eclipse so I expect I am making some obvious blunder.

The issue is that everything seems to compile fine, but when I run the project (using the android emulator) dalvik vm is unable to find the first class I reference from this facebook sdk. ( com/facebook/android/Facebook.class )

As an aside, if I copy the source directly into my project as an additional package everything works fine.

Step 1: I exported the com_facebook_android project as a .JAR file. ( right click project, export, java / jar file ) I choose c:datajagjar as my location to save facebooksdk.jar.

Step 2: I hit properties on the project HelloGoogleMaps, Selected Java Build Path, Libraries, Add External JARS... I the directly selected the c:datajagjarfacebooksdk.jar file.

At this point my project seems to be building just fine ( no errors ).

Step 3: Debug the project and receive the error:

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

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Android : Launch Browser Intent With Custom Class - Cannot Find Activity

Jul 25, 2010

I want to specifically run the default Android browser for a given URL. I'm using this code: I also tried adding <uses-library android:name="com.google.android.browser" /> to the manifest. Am I missing something here? PS: I'm not interested in using startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse("http://www.google.com"))) as it will list all the choices for the browsing Intent.

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Android :: How To Find Memory Leak Class / Activity In Android?

Sep 15, 2010

I am New to this Android platform. In one application, there is a memory leak. But I couldn't able to find in which activity or class the memory leak is happening. I am using MAT to get the information that the memory leak is there or not. But not able to find which activity is leaking. Please tell me how to find the which activity is leaking.

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Android : File Not Found Exception While Uploading To Web Server?

Jul 19, 2010

I am using following tutorial to upload image file to webserver. and getting file not found exception here. image file exists there but still it giving me error. Can any one guide me what is the solution? Code...

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Android :: Eclipse New Class - MapActivity Not Found

Aug 30, 2010

I want to create new class MapActivity from Eclipse.

I go File-> New -> Class on Superclass-> Browse, and when I type MapActivity there is no results.

In Windows-> Android SDK and AVD Manager there is no new updates, I have installed SDK from version 1.5 to 2.2

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Android :: Communicating Between Receiver Class And An Activity Class

Jul 14, 2010

I'm just getting into Android development, and I have a question about communicating between a receiver class and an activity class. I'm very new to JAVA and Android so I hope I don't sound too stupid. I'm developing an application where I intercept an SMS message and then based on various elements of that SMS I might delete it once it's been saved to the inbox. I have a receiver class that intercepts the txt message, and I am also able to delete messages from my inbox with code in the activity class using a button at the moment. The problem I have is communicating between the receiver class and the activity class where the code to delete a message resides. I tried putting that code directly into the receiver class but as I'm sure most of you already know the BroadcastReceiver class doesn't seem to support what I need to delete messages. I've been searching for an answer to this for a while, but haven't been able to find anything. Honestly I'm not sure I know enough about JAVA and Android to even recognize a solution if I saw it.

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Android :: Access Application Class From Class Other Then Activity

Sep 8, 2010

I'm new to Java and android development. In my application I need data which is accessible for a few activities. I've read that a good solution is to use Application class for this. So I use it like this:

public class MyApplication extends Application {
private String str;
public String getStr(){
return str;
}
public void setStr(String s){
str = s;
}
}

and I can access this variable from activity like this:........................................

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Android :: Call Activity Class From Other Java Class?

Oct 8, 2010

I have just started android. I just want to know that how can i call activity class from other java class. i just want to pass class object to activity class.

public class GsonParser extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
MagazineThread thread=new MagazineThread();
thread.start();
}
public GsonParser(JsonMagazineParser Obj)
{

}
}

and i am just doing like from other class. GsonParser obj=new GsonParser(this);passing obj to activity class.how can i achieve that.

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Android :: MediaRecorder Class To Record A Video - Exception

Jun 17, 2010

I try to use the MediaRecorder class to record a video but I get an exception : failed to get Camera parameters. Prepare failed.

Here's my code :

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

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Android :: Class Cast Exception When Inflating A Custom Relative Layout

Jul 23, 2010

I get this exception when I try to inflate

07-22 19:15:39.903: ERROR/AndroidRuntime(3810): Caused by: java.lang.ClassCastException: android.widget.RelativeLayout

I have a base class:

public class UIBase extends RelativeLayout {}

And a more specific class:

public class Countdown extends UIBase {}

Then I try to inflate and it exceptions:

UIBase newView = (UIBase) inflater.inflate(layoutId, parent, true);

Here's the XML file:

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

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Android :: Unable To Find GPS Location On Droid / Way To Find

May 11, 2010

I am working on an application that needs to find GPS location of the user. While testing my code on Droid i am unable to find the GPS location. While googling i found this link to an issue raised with Google.

But apps like Yelp can find the GPS location on droid. Is there a workaround to find the user location on a device? Here's the code I am using code....

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Android :: Start An Activity From Non Activity Class

Aug 19, 2009

An activity can be called from existing activity through *startActivity(intent); *

Is t possible to call an activity from non Activity class ? and how?

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Android : Missing Applications / Unable To Be Found - When Navigate

Jun 6, 2010

It seems as though the Android Market is not showing some apps. These apps are visible through 3rd party sites like AppBrain and Cyrket, but when you navigate to the Market on your phone, they are unable to be found. I've compiled a list of apps and devices that people across various support forums have posted that they've had issues with. I have a feeling this is a pretty major issue and Google doesn't seem to know about it yet. I'm advocating that everyone that has an Android device, to check the list of apps below. If you've discovered a missing app not listed, please post below.

Post here if you find an app through AppBrain, but cannot access it in the Market on your phone.

Affected Apps:
SlideScreen
LauncherPro
ADW.Launcher
Handcent SMS
People/Contacts Widget
WatchDroid
Where
Better Contacts
WeGolf
Setting Profiles
NetSMS
Quick Settings

Affected Devices:
HTC Evo - 2.1
HTC Hero - 2.1 (Some apps are working)
HTC Desire - 2.1
Moto Droid - 2.0 and 2.1
Moto Milestone - 2.1
HTC Increctible - 2.1
Droid Eris

Let Google know about this! If you are having these issues please post in the following threads. The more people we can get to speak up the sooner we can get Googles attention.

Application is not updated in the android market - Android Market Help

App disappears from the Market after upgrade - Android Developers | Google Groups

Issue 8917 - android - Market doesn't show some app. on Sense - Project Hosting on Google Code

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General :: Eclipse Can't Find Device / No Compatible Targets Were Found

Feb 8, 2013

"No compatible targets were found. Do you wish to a add new Android Virtual Device?"

I'm using windows 7 and a sony Xperia J.I rebooted both already, and re-installed the drivers (assuming I installed the correct drivers, but I'm pretty sure I did)

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Android :: Renamed Packages / Now Activity Cannot Be Found

Oct 5, 2010

So today I had a bright idea to rename my packages, now my android application which I have schedule for release on Thursday is not working.
I am getting a similar error as follows:
Error: Activity class {org.me.androidapplication2/com.albertrosa.DEMO.MainActivity} does not exist.
I have modified the manifest to reflect the change:
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.albertrosa.DEMO"
android:versionCode="1"
android:versionName="1.0"
there is more to the manifest but this is all that I have changed. is there something I am missing or doing wrong. I am using netbeans to build this app.

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Android :: Activity Found To Handle Intent?

Aug 4, 2010

I am tring to invote internal media player of android from my activity. Seems there is some problem in menifest file .

Please look into this issue .

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

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Android :: Activity Not Found To Handle Intent?

Nov 24, 2010

I have a problem regarding my intent. It seems that my app crashes when i select the intent. I found the line of error code due to the stack trace. But i couldn't find anything wrong with it. Hope anyone can help me with this.

This is the java code in line 121:

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

This is the stack trace:

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

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Android : App - 1.5 Gridview - Info And Exception - Unable To Resolve Drawable

Jun 14, 2010

I used a gridview in this app.

When i run it at Verison 1.6 or newer, it's OK. But i can not get this gridview in 1.5.

I always show this info and exception:

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

This is the layout xml:

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

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Android :: Catching ActivityNotFoundException If There Was No Activity Found To Run The Given Intent

Jun 23, 2009

The JavaDoc of Context's public abstract void startActivity (Intent intent) said:

This method throws ActivityNotFoundException if there was no Activity found to run the given Intent.

But when I look at the android source code, it does not catch ActivityNotFoundException.

For example in AlarmClock.java:

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

what is the code which handles the case when there is no activity for that intent?

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Android :: ActivityNotFoundException: No Activity Found To Handle Intent

Nov 2, 2010

test.class type is right? How to? What should I do?

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

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Android :: Unable To Open Database File - Uncaugh Exception Code

Mar 27, 2009

I am having problem using webview in my application. When ever the webviewclient and webview is trying to load, it will throw me and uncaugh exception. Code...

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Android :: Added Library Project And Now Eclipse Can't Find R Class

Jun 26, 2010

I am trying to add an 'Android Library project' I have created to another regular Android project. The Library Project had a jar dependency and was also dependent on another java project in my workspace. I had to add both of these to the my 'regular Android project' because otherwise Eclipse could not find them (Not sure if this was the right thing to do because it would mean that I will have to manually update all projects when the library gets another jar dependency). Anyway, the errors went away and now the Regular Android Project can't find the R class, I have tried a clean but it did not work. I checked in the /gen folder and both the R classes are there - from the library and the regular project.They have the correct strings inside them.

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