Android :: Catching File Download?
Jul 9, 2009
I want my app to catch downloads of a particular kind of file.
Here's the corresponding part of AndroidManifest.xml:
CODE:............
Now, open a page with a link to an .exe file, click it. The download manager starts and then tells that The content is not supported on the phone. My activity doesn't even get called.
The questions are:
1) Why doesn't my activity get called?
2) What's the correct way of letting download manager do it's job and then get notified upon file download completion?
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Jan 27, 2010
In Reference to this android file download problem http://stackoverflow.com/questions/576513/android-download-binary-file-problems
Can anyone explain what does this line mean in the code FileOutputStream f = new FileOutputStream(new File(root,"Video.mp4")); And what does it mean by the parameter root within the File(). Do I need to specify the root path to save the file? if it is the case then how do we specify the root path in android. Code...
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May 5, 2009
I am trying to write a code about catch lat. and long. points with the GPS, actually I am using the shell with the commands "geo fix" because the DDMS doesn't work in linux apparently, I am using this scripts:
getBestProvider(criteria, true); getLastKnownLocation(provider); requestLocationUpdates(provider, 2000, 10, locationListener);
The questions is: the program is working right now in the emulator, but what about if I move the program to the real cellphone? Is the same? I need think in something else?
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Oct 15, 2010
I am (supposedly) catching NullPointerException and returning 0 if that happens. But occasionally I get NullPointerException failure anyway. Is catching it this way no enough to prevent this failure?
private char getCharBehindCursor (int offset){ // get a single char behind cursor + offsett CharSequence cSeq; InputConnection inputConnection = getCurrentInputConnection(); if (inputConnection != null){ try { cSeq = inputConnection.getTextBeforeCursor (offset + 1, 0); } catch (NullPointerException npe) { /* failure*/ return (char)0; }
if (cSeq.length() == offset+1){ return cSeq.charAt(0); } } return (char)0;
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Mar 18, 2009
I have tried all day to capture a trackball event in a View. Basically I want to use the trackball to move a Sprite in a 2D game left and right. The onTouchEvent works perfectly well in the View to move the Sprite with my finger but it would be nicer and cleaner to use the trackball.Can anyone provide me with a simple example that uses the trackball to move something in a View in a 2D type game world (not a menu or UI type of example)? Or can someone explain what I'm not doing. Thanks so much for any help you can give me.
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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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Aug 2, 2009
I've got this problem: When my program using too much memory, it die. Is there an exception or something else to warn me? How can I catch it?
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Aug 22, 2009
I am getting an outofmemory error (java.lang.outofmememoryerror) from a bitmapfactory that doesn't seem to be caught despite the fact that it is in a try{ }catch block. Can I catch this error somehow or is it outofmemory inherently uncatchable?
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Mar 17, 2009
I am trying to intercept xml links that are clicked in the android web browser. I want my activity to handle these xml files, however I cannot seem to get this to work. Whenever I click on the xml file in the browser it just displays the xml file.Here is the entry that I have in my AndroidManifest.xml. Is this enough or do I need to do something more?
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Oct 2, 2010
Can someone please tell me where I'm going wrong with this piece of code? Basically I want the app to download a .png file, display it to the user and also save it to the sd card for future reference. It seems to be all going fine until the while ((len = webstream.read(buffer)) > 0) part; as the debugger doesn't reach the breakpoint I've put in here, and I have a directory of empty .png files. I have the WRITE_EXTERNAL_STORAGE permission declared in my Manifest.......
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Feb 23, 2009
I am having problems downloading a binary file (video) in my app from the internet. In Quicktime, If I download it directly it works fine but through my app somehow it get's messed up (even though they look exactly the same in a text editor).
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Nov 19, 2009
I'm over in Canada and cannot download Beebplayer
I was wondering if anyone had the .apk file for it?
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Feb 25, 2010
How to download an xml file from url connection in android?
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Aug 23, 2009
How can we download a file from server using ftp? How can we use android's download manager manually to download ?
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Jun 27, 2010
Anybody know where I can download sshadapter as an apk file? I have an m001 tablet and it cannot access the official Android Market.
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Jul 20, 2010
Does anyone have a good example of using a service to download a file?
I am not sure whether to use remote or local and even if I was sure, I need a basic example to start with.
Basically, I want to start the service with the url of the file to downland and when the download is done end the service.
Google's example of services is filled with junk so I am not sure what is needed and what is not.
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Jan 27, 2010
Has anyone found a way to catch outgoing calls from the Htc Hero Dialer?I currently use the NEW_OUTGOING_CALL intent in my app and this works for the standard Android dialer but not for the Htc Hero one.The hero dialer seems to not fire that specific intent.Is there any other way to achieve this?
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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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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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Jun 19, 2009
In the Eclipse log I can clearly see a warning pop up (something about buffer overflow) every time I don't read from the AudioRecord buffer fast enough and consequently miss a chunk of audio samples. Is there any way I can detect that notification programatically so I know exactly when I have missed a chunk?
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Jan 11, 2010
I'm trying to catch an action like ACTION_HEADSET_PLUG. But I think it might be too much to set this action on the manifest file.
How could I register a listener for this action? I only need to care about it when my application is running not all the time as I think it would happen when registering it under the manifest file...
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May 2, 2009
I would like to a mimetype to Android Web browser, to allow opening my application when a certain mime type file is downloaded by the web browser. Apparently, only media file's mime type can be supported by the web browser. Is it right? How can I do it?
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Sep 17, 2009
I am trying to implement the functionality to resume a large file download, but have not found how to start downloading from a position that is not at the beginning of an InputStream.I am currently using the InputStream.skip() method to go to the position where I want to resume the download, but have found that this method actually reads all the data over the network and then throws it away.I would appreciate some help in learning the correct way to start reading from the resume offset of the internet file being downloaded, so that I can avoid wasting the phone network bandwidth, and also avoid the extra time delay caused by re-downloading all the data that was already previously downloaded.
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Apr 19, 2010
I try to download a file from a tomcat server using the following snipet of code
try
{
BufferedInputStream getit = new BufferedInputStream(new URL("http://192.168.2.180:8080/android.apk").openStream());
FileOutputStream saveit = new FileOutputStream(path);
BufferedOutputStream bout = new BufferedOutputStream(saveit,1024);
byte data[] = new byte[1024];
int readed = getit.read(data,0,1024);...................
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Jul 5, 2010
I've some files stored in a SQL database. When a user visits a url with the given ID, the BLOB data is retrieved from the database to the webbrower However, the iPhone (Safari) can't download a *.txt and *.doc file. It says: "Safari can't download this file". A pdf can(!) be downloaded and viewed.On Android none of the files can be downloaded.Is this because the iPhone and Android just can't handle all files? Or am I doing something wrong in the Response.
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Apr 14, 2010
I'm trying to download large file from Internet (>20Mb)
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Jul 28, 2010
I've got the URL of a .png image, that needs to be downloaded and set as a source of an ImageView. I'm a beginner so far, so there are a few things I don't understand:
1) Where do I store the file?
2) How do I set it to the ImageView in java code?
3) How to correctly override the AsyncTask methods?
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Nov 9, 2010
In my app, I have to present a few numbers from a .csv file that's accessible from the web. Now, this .csv is quite big. I don't want to download and process the whole thing, there's no point. My numbers are always in the beginning of the file, in well specified positions - lets say position 5 to 10.
Could you give me some tips on how to implement this? I know how to download the whole thing, but don't know how to download only a part of it.
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Sep 11, 2010
I have a video file on a website in .MP4 format and I want to allow the user to be able to download the video to their SD card by clicking a link. Is there an easy way to do this. I currently have this code but its not working...not sure what I am doing wrong.
CODE:......................
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