Android :: Thread Always Seem To Throw Exceptions Although No Erros In Program

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?

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Android :: Thread always seem to throw exceptions although no erros in program

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Android :: Async Thread Aborted After Catching (all?) Exceptions

Nov 11, 2009

I have the following code...

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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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Android :: Possible To Start Surface View With Game Thread Anytime / Other Than At Startup Of Program?

Aug 7, 2010

I've read several example programs and tutorials to try and solve my problem but they all seem to go the same way.I've used a couple Activities and xml documents to create a menu that loads when my game starts. When the user clicks the "Start The Game" button, it loads a new Activity that sets the view with my game thread and all of the game properties.I know this activity works because I've run it alone as its own project, but every way I've tried to start it after the Menu, I get a nullPointerException and it force closes.I read the SurfaceViewOverlay tutorial and attempted to use that implementation, but I'm using a SurfaceView, not a GLSurfaceView. I'm debating rewriting my entire program to use OpenGL but I figured I would see if anyone else knows what I'm doing wrong here.If you need the code snippets I can paste some here, but it's not really the specific code that's wrong, I think it's the way I'm using(abusing) the language.

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HTC Magic :: Erros On Daily Basis

Jul 4, 2010

Im getting two errors every day. When error appears I have to restart the phone. First error is process.com.htc.launcher and second is process.com.google.android.googleapps. For past few days errors appear when I connect phone with PC. Magic is 32A version. To root it and try some other ROM?

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Android :: How To Keep Login Throw Activities

Nov 19, 2010

I make login in my main activity.
If the login is correct, I wanna see my profile and download some data from server, but I cannot keep the connection, if I change activity.

How can I do this?

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Android :: Throw Tables Into List Table?

Mar 9, 2010

I am trying to throw 4 tables into a List<table> and then run a query on each through a loop... this isn't really working. ollowing code totally freehand as I had to undo the code I wrote because it wouldn't run :

//this first line is the one that I would imagine is the linchpin on getting this to work List<table> mTables = new List<table>(); mTable.add("character1") //add character 2 //add character 3 //add character 4 for (int i = 0; i < 4; i++) { mCursor = db.query(mTables.get(i), null null.......); mCursor.movetofirst;
//use ContentValue to update a few fields

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Android :: GetPadding() Of NinePatchDrawable Throw A NullPointerException?

Oct 12, 2009

I'm trying to use NinePatchDrawables in a LayerDrawable, but for some reason I get a NullPointerException. I've isolated the problem to the getPadding() method; the following code reproduces the problem:

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

What am I missing? Do I have to do anything special with the NinePatch? The program seems to work if I use the NinePatch directly (instead of putting it in a LayerDrawable).

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Android :: Activity Group Throw ActivityNotFoundException?

Nov 13, 2009

I want to change the current activity inside a tab in a tab activity, after some research, I know that I need to use activity group to go this.

Then I created a new class extends ActivityGroup with the code below:

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

Then I run the program, the program throw the ActivityNotFoundException when the intent for the tab is launched.

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Android :: Throw InvocationTargetException - Modify The Error?

May 26, 2010

ActivityManager am = (

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Exception

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Android :: SDK - Throw A Custom Exception From A Service To An Activity

Nov 26, 2009

I'm currently working on an XMPP app' on Android and I'm pondering about the best way to throw a different type of Exception than a RemoteException to my activity from my service.

As it seems impossible to throw another thing than a RemoteException using IPC (you can't declare to throw anything in your .aidl), I just see two solutions:

Create a listener for my activity to listen on my custom XMPP exception, which in fact will not be thrown but just sent as a usual object implementing the Parcelable protocol.
Catch my XMPPException and throw a RemoteException (with a content updated with my XMPPException) - But in that case, how could I know on my activity if it's an XMPP or a real RemoteException ? By tagging the name of the exception and parsing it on my activity ? It would be really gore.

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Android :: DatePicker Throw Java.lang.StackOverflowError When Embbeded With TableRow

Sep 1, 2009

A strange error: when DatePicker is used as child item of <TableRow>, it throws out StackOverflowError and then the application crashes. It would work fine if it is defined outside of <TableRow>.

Do not know why ....... Is it related to my UTF-8 strings defined in strings.xml?

CODE:.........

The exception:

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

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Android : Why Does This Phone File Output Stream Throw A Null Pointer Exception?

Aug 16, 2010

There does not seem to be any Android manifest permission that needs to be set for file io. Code...

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Android :: Catch Standard Exceptions

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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Android :: Exceptions With Calling Web Service Using IP

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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Android :: Catching Exceptions Globally?

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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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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Android : How To Email Uncaught Exceptions?

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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Android : Java - Implement A Run Method Of Thread If Create A Thread Global

Sep 7, 2010

How can I implement a run() method of thread if I create a Thread Global?

I mean If I create a Thread Globally then can I implement its run() method {" public void run()"} anywhere in my Application?

In the run() method I have to write the code to perform some action.

IF I can do it then please can anyone show me briefly how to do it particularly.

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Android :: How To Print Stack Traces For Exceptions?

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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Android :: Where JavaScript Exceptions Displayed When Using WebView

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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Android :: Sample Code To Handle Exceptions

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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Android : Handle Messages Between The Main Thread(the Deafult UI Related Thread) And The User Created Gamethread

May 21, 2009

I am writing an application in which i need to handle messages between the main thread(the deafult UI related thread) and the user created Gamethread.

The requirement is like this.

An activity(say "Activity_X") is setting the view by "setContentView(some "View_Y")". In "Activity_X" i have implemeted "onCreateOptionsMenu()" and "onOptionsItemSelected()" fucntions for creating menus & a switch case for action to be taken on selecting those menus.Menu has items like "resume/pause/zoom/" .

All action to be take on selecting these menus are implemented in "View_Y" in a separate Gamethread by extending "Thread" class.

So whenever a menu is selected in "Activity_X" i need to send a message to "View_Y". And on receiving this ,a particular action/method should be called in View_Y(GameThread).

How can i achieve this using Handlers?Is there any other way of doing this? Please do share with me some code snippets for these.

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Android :: Strange Exceptions When Deleting And Reading Contacts

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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Android :: Catching Intent Exceptions And/or Return Codes?

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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Android :: How To Debug Unexpected Exceptions (source Not Found)

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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Android :: Exceptions That Are Thrown When We Are Writing Email Application?

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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Android :: Update ListView In Main Thread From Another Thread

May 27, 2010

I have a separate thread running to get data from the internet. After that, I would like to update the ListView in the main thread by calling adapter.notifyDataSetChanged(). But it does not work. Any workaround for that?

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Android :: Use Thread With SurfaceView - Ie Draw In Separate Thread?

Jul 22, 2009

I want to do the drawing in another thread to speed up the game(it is way to slow right now). I was told to do this but don't quite understand why that would speed things up. Is it GameView that should implement Runnable? Should I make the thread sleep when not drawing? where should I start the thread? package com.android.WWS;

import android.app.Activity; import android.content.Context; import android.graphics.*; import android.os.Bundle; import android.view.SurfaceView; import android.view.KeyEvent; import android.view.View; import android.view.View.OnKeyListener; import java.lang.Runnable; import java.lang.Thread;...................

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Android :: Open GL Extending GLSurfaceView Null Pointer Exceptions

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...