Android :: Why Do I Constantly Get ActivityNotFound Exceptions
Aug 9, 2010
I'm a novice Android programmer, and to help me understand how Intents really work, I wanted to put together a small Activity which would let the user call startActivity() with any action and data they want. I tried many different combinations, including "android.intent.action.VIEW" and "http://www.google.com". No matter what combinations I use, I always get an ActivityNotFoundException. Any ideas as to why?
The code in my only Activity is below....
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Aug 21, 2009
I want to listen the android standard exceptions to manage it. But I don't put try/cath in all my code. Anyone knows if i can redirect the error output to my code. I've seen this System.setErr method, but It doens't works for this purpouse.
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Nov 24, 2010
when I call web service from my machine using 'localhost' or 127.0.0.1 , I got exception. But if I give the public IP, it works fine. Why it is happening?And also, If I use my public IP, I can't access web service. But If I put the same code in another machine, and call that web service using the IP address of that machine, It works fine.
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Aug 12, 2009
In my application I would like to catch all exceptions globally - it should not matter, where those exceptions occur. Some runtime exceptions are practically impossible to catch (OutOfMemoryError for instance), but I want to show an informative dialog and resume execution at some well-defined point (main menu activity or something).
Using Thread.setDefaultUncaughtExceptionHandler() does this for background threads, but it is of no help in the UI thread (or adjacent handlers). If an exception occurs in the UI thread, the UI will be jammed - not reacting to any key or touch events anymore. Of course, this seems natural since it did not catch that exception; but I wonder if there is a way to recover the UI thread. So:
- Can I recover / restart the UI thread after an uncaught exception (from another thread) ?
- Is there another way to catch uncaught exceptions globally ?
- Are there viable alternatives to handle this problem ?
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Oct 15, 2010
I love the feature where we can inspect any exceptions for app's published on the market through the developer site but curious as to whether we can tap into this feature for app's we don't publish to the market so we can email any exception details to a specific email address for example.
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Nov 17, 2010
Does anyone know how to print stack traces for exceptions caught while running in the Android emulator in Eclipse? I catch the exception and call .printStackTrace() but I cannot find where it is being written. I have tried .printStackTrace(System.out) and .printStackTrace(System.err). I would be nice to be able to direct them to the Eclipse console.
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Feb 9, 2010
I have this simple HTML that I load into an Android WebView (SDK version 1.5)-
<html>
<body onload="nomethod()">
<h1>Hello World</h1>
</body>
</html>
Function nomethod() doesn't exist but the LogCat doesn't display any error. It seems that any exception that isn't caught cannot be traced. how can I handle or trace uncaught exceptions?
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Sep 27, 2010
I am new to Android mobile application development.I would like to know , how can I handle the exception , like HttpConnection related exceptions or any other exceptions.Do I need to display an AlertDialog to the user.Kindly provide a sample code or project source code on how can I handle HttpConnection or similar type of Exceptions.
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Sep 8, 2010
I am getting following exceptions when I try to read/delete contacts from my application using Contacts Content Provider. What does the following mean? ERROR/IMemory(1349)
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Nov 11, 2009
I have the following code...
CODE:.................
My mClient get method is a simple HttpClient execute with an output buffer to read the input stream, so it's very trivial. Everytime I execute this task UnknownHostException will be triggered which will in turn call onTaskError on my currect Activity, but I still get a RuntimeException, but I don't see why. Maybe it's because it's late and i've done about 12 hours of writing code so it's something simple I just can't see?
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Mar 12, 2010
I've a piece of code that launches an Intent. I'm wondering if there's any way to get return codes and/or catch exceptions? The particular scenario I'm facing is when I launch an Intent passing a 'rtsp' URL but it turns out the URL isn't available.
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Apr 11, 2010
Hello, I use a thread for drawing to the canvas. By coincidence I recognized that in the program always jumps into the finally part. After view.onDraw(c); is reached it steps back to synchronized (surfaceHolder) and then it steps into the finally part. This happens every time. This means to me that every time exceptions are thrown.
Can anybody explain why this is so?
CODE:......................
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Feb 9, 2010
I am pretty new to Android, the thing that bugs me the most about the IDE is that I am not able to get any information about an unexpected exception when it gets thrown, I can put a try catch block around identified code that generates it, but in many cases it takes time to find the line of code that generates the exception. is there any other way I can get the exception information? in JDT when an unexpected exception is thrown the call stack displays the exception class name. but in ADT this doesn't work.
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Sep 7, 2010
I am writing an android application for sending email which launches the default mail application of android and asks to allow sending mail or not.
I want to know the type of Exceptions that are expected to throw in this case.
I have gone through Developer guide and some other Android PDFs ,I am finding only base class Exception.
I want to know are there ant other exceptions that will be thrown other that exception, which we need to handle in our program.
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Jul 31, 2010
I am trying to create a simple 3-D app for android that will have an additional view layered on top of the OpenGL view (much like the SurfaceViewOverlay example in the API demos). I'm running into an issue trying to implement that method with an extended GLSurfaceView class. I've set up an example where I'm trying to do a combination of this demo with the API Oerlay demo. If I try to cast to a Martin's VortexView object like this (replace lines 44-46 in the API demo) I get a ClassCastException error (which is understandable, as I assume casting is fairly specific) so I guess I'm looking for a method to transfer the view from a GLSurfaceView instance to a new subclass or a way to set the rendering surface to an XML defined view for a subclass after it has been created. it will do the casting correctly with the above code but generates Null Pointer Exceptions when it hits the surfaceCreated and surfaceChanged routines (I think it's the called methods in the GLThread class based on the line number) inside the GLSurfaceView class. So maybe I should change the question- How can I implement an extension for GLSurfaceView without generating NullPointerExceptions on surfaceCreated and surfaceChanged, or how can I debug them without having the source for GLSurfaceView.java? Code...
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Sep 29, 2010
Code...
Exception will be thrown after this line. Where to catch it?
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Jun 23, 2009
I have read a couple of threads about Bitmap creation and release using "recycle()" but still have a problem with an OOM when running my app (that creates bitmaps) on hardware - the dev phone 1 in this case. Multiple passes through my application screens work fine in the emulator but performing the same actions on the device results in an OOM exception almost immediately. At this point I would really like a deterministic way to replicate the scenario on the emulator which I thought should be possible by limiting its memory (though I did read somewhere that the emulator and the dev phone 1 have the same default memory so this should be moot but whatever) i.e. -memory 64, but I am having zero success. Am I using the correct emulator args to limit the memory and/or what is the strategy for making the emulator exactly the same as the device at least with respect to memory constraints/pressure?
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Oct 14, 2010
I find the force close Report option very useful as a developer- the stack trace is really useful to see and I've been able to solve many bugs by using it. However, there are places in my app where (quite rightly) I've used a try/catch statement to handle Exceptions. The problem being, that this prevents a force close and so I can't get the data of the error, which would be helpful for bug fixing or even just giving better error messages. Is there any way to report an Exception which has been handled? And which version of Android did the Report option come about in?
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Oct 31, 2010
I noticed that a toast isn't displayed when it's used inside a catch block.
Does anyone know how to show toasts when catching exceptions?
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Jun 11, 2010
Truly enjoying my EVO. On old blackberry, I could set profile to silent and assign number exceptions that would still ring through (eg wife, family etc). Is there such a setting on the EVO? I want to keep phone on silent during night, but also want critical calls to ring through. Any thoughts??
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Jun 29, 2010
We have a simple client server architecture between our mobile device and our server both written in Java. An extremely simple ServerSocket and Socket implementation. However one problem is that when the client terminates abruptly (without closing the socket properly) the server does not know that it is disconnected. Furthermore, the server can continue to write to this socket without getting any exceptions. Why? According to documentation Java sockets should throw exceptions if you try to write to a socket that is not reachable on the other end!
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Oct 19, 2009
Recently my g1 has started using 3G or GPRS almost constantly, like its auto checking e-mails or somthing.If i disable the 3G option it uses GPRS insted.I have reset the g1 to factory defauts, only APNdroid and ToggleWIFI installed, but it still keeps doing it.(APNdroid was installed so i could turn off ALL 3G/EDGE/GPRS connections)This is slowing down my connection when i do use GPRS/3G/EDGE.Why is this happening ??? and how can i stop it, without using APNdroid?This is a T-Mobile G1, using firmware version 1.5, build number CRC37
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Oct 19, 2010
All of a sudden, in my notifications area, there is something that is almost always "synchronizing my contacts". This just all of a sudden appeared. I didn't download any app for this, and my contacts don't even appear in gmail.Anyone know what is doing this? I'm always worried about what apps send all my info out. Something seems fishy. The icon that appears on the top left is gray and spins.
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May 30, 2010
Even though I specifically set FB to do not update nor notify, I still notice that in the widgets comments are updated. What am I doing wrong? or What is wrong with FB? I'm using Android 2.1 with latest FB version.
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Feb 11, 2010
I really like the Weather Channel App and Weatherbug, but they both constantly start themselves and run in the background no matter what my settings are.I don't need my phone to update weather in the background as I don't check it that often.I just want something that I can open, check the weather and CLOSE really close.Is there a decent Weather App that will let me close it and not run on its own?Seems to me that its a common problem with apps, that many devs don't properly shut them down or force them to run unnecessarily.
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Sep 21, 2010
Ever since Froyo, I cannot text, email, and my phone crashes constantly.
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Nov 4, 2010
And I've never used it. Can someone explain why?
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Nov 16, 2010
I've found a example on this site on how to make a subclass of the application for android.
I've created this code
package mensand.test;
class TestApp extends android.app.Application { }
Added this line to the manifest
android:name="mensand.test.TestApp"
And when i run the app it's starts with a force close message.
When i remove the line from the manifest all runs ok
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Sep 19, 2010
I have a rooted Droid X running the original 2.2 leak and have been using Dolphin Browser HD since I got it. Lately I noticed every time I go back to the browser after "minimizing" it, it reloads the pages that were open. Now, I could be completely crazy and it could have been doing this the entire time I've used it but I feel like this is something new. It's quite annoying actually, as I have to wait every time I pull the browser back up. I can't point at anything that recently changed that could have affected it, I even uninstalled and reinstalled it to try and fix it but to no avail.
Am I the only one this happens to? Am I crazy and it has been happening the whole time and I only just noticed it? When is the droid x 2.2 official OTA coming out!
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Aug 12, 2010
I don't know if this is the right group, but my ADT keeps crashing while editing layout files. I'm not positive, but I think it might have something to do with the background images that I'm attempting to use, as they are not rendered in the preview at all. Is this the appropriate group to discuss the ADT tools? If so, does anyone else have problems getting background images to display?
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