Android :: Is On Post Execute Guaranteed To Run After All Calls To Progress Update?
Jun 29, 2010
I would like to know if it is possible to get 'leftover' calls to AsyncTask#onProgressUpdate after AsyncTask#onPostExecute has been called? I am setting text on the same TextView using both of them, and I don't want to set text such as "Done!" and then have it overwritten at a later point by text such as "Almost there - 90%"Also, I am assuming that the onProgressUpdate method works similar to a SwingWorker method in that multiple calls to publishProgress may stack up before a call to onProgressUpdate occurs. I would really like to know where the "newer" and "older" progress updates are on the parameter - aka are the newest updates at position 0 in the parameter, or at position progress.length?
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Jul 9, 2010
I am developing an Android app which enables the user to upload a file to services like Twitpic and others.
The POST upload is done without any external libraries and works just fine. My only problem is, that I can't grab any progress because all the uploading is done when I receive the response, not while writing the bytes into the outputstream.
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Oct 4, 2011
I am trying to upload a video to an api and I was wondering how you show a progress bar show and also dismiss it when an upload has finished? Also, while were at it, do you see anything wrong with my pattern.compile for my edit boxes?
Code:
public class Loadvid extends AsyncTask <Object,Integer,String>{
EditText etxt_user = (EditText) findViewById(R.id.user_email);
EditText etxt_pass = (EditText) findViewById(R.id.friend_email);
[code]...
But it doesn't work. When i click on the button to send, it shows the handler for 2 seconds then brings up an error close.Error log.
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Oct 18, 2010
I am trying to update TextView in my Activity with text messages from DatagramServer ( see below) The problem I have is that "backgound UDP server receives plenty of traffic, but onProgessUpdate is ever executed only once so only the first of the messages appear in the TextView.
public class MyActivity extends Activity {
TextView txtStatus; // txtStatus initialized
new BackgroundAsyncTask().execute();
public class BackgroundAsyncTask extends
AsyncTask<Void, String, Void> {
public static final String SERVERIP = "127.0.0.1";
// 'Within' the emulator! public static final int SERVERPORT = 2222;
private DatagramSocket socket;
protected Void doInBackground(Void... params) {
try { InetAddress serverAddr = InetAddress.getByName(SERVERIP);
Log.d("UDP", "S: Waiting for connection...");
socket = new DatagramSocket(SERVERPORT, serverAddr);
while(true) { byte[] buf = new byte[1024];
DatagramPacket packet = new DatagramPacket(buf, buf.length);
Log.i("telemetry server", " waiting for packet");
socket.receive(packet);
Log.i("received", new Integer(packet.getLength()).toString());
Log.i("UDPServer received:", new String(packet.getData()));
publishProgress(new String(packet.getData()));
} } catch (Exception e) { Log.i("Dbg server", e.getMessage());
} // end of try Log.i("Dbg server", "Dbg server: Done.");
socket.close(); return null;
} @Override protected void onPostExecute(Void result) {
// TODO Auto-generated method stub
//it will never been shown in this exercise...
} @Override protected void onPreExecute() {
// TODO Auto-generated method stub
} @Override protected void onProgressUpdate(String... values) {
txtStatus.append(values[0] + " ");
} }
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Aug 21, 2010
There are several threads already on how to make custom layouts in the notification bar. The problem is I must be missing something simple.
I have a custom_notification_layout.xml. code...
What is the secret to actually updating the notification?
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Dec 28, 2009
this is the current state/situation: I have an Activity which binds a Service which creates AsyncTasks which downloads various web resources. That works well, but of course the ProgressBar shows nothing. Previously i had an Activity which created an AsyncTask which downloaded some stuff. The AsyncTask got the View which holds the ProgressBar. So i could update the progress using onProgressUpdate and publishProgress. Obviously this doesn't work any longer because I have no reference to the ProgressBar.
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Jul 29, 2009
I've been trying to get my progress bar view to work in my file scanner application, and I'm thoroughly stumped by the proper combination of Activities, Services, Threads, and Handlers. Here's the structure: My Activity contains a Horizontal-styled ProgressBar. On menu item click, I spawn a Service which, onCreate(), which is where I want to be able to update the progress bar. what am I missing?.............
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Feb 25, 2010
I have a problem updating a progress bar.
First i have a custom adapter in which i create a row for each item with a textview and a progress bar. (i have a item_row.xml in where i define the layout for each row)
CODE:...............
Ok, now i have a service downloading in background data from an external API, and i want when to update the progress bar every second with the progress of the download.
For that, i have a timer task made with a handler (reference)
But the problem is how can i access again to the progress bars created in my adapter in order to update the progress?
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Nov 20, 2010
I have created a activity and set a the title bar to contain a progress bar like this: this.requestWindowFeature(Window.FEATURE_PROGRESS);getWindow().setFeatureInt(Window.FEATURE_PROGRESS, 500);But it turns out to be a horizontal bar, how can I make this a spin bar? (without creating a custom title bar)
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Jun 30, 2010
Having wifi on when you're near a router is supposed to save battery since the router is close and the phone doesn't have to search for a 3g signal. After the OTA update my phone no longer sleeps when I have wifi enabled. So now I'm killing my battery by using my home/work wifi routers instead of taxing sprints network connecting to 3g. Is my phone the only one doing this? I haven't read any other reports.
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Jun 11, 2010
Post all your feedback here on the latest 2.27.651.6 HTC SW update, pro and cons if any
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Aug 27, 2010
In some cases I have messages, typically shown in a toast message, where there are three trailing periods. For instance, "bla bla bla. Please wait...". Note that this is _not_ an elipsis, as the string is not truncated. The problem is that sometimes the string is wrapped at the end of line and I get two periods in the first line, a newline, and then a single orphaned period in the next line.
I'd like to have the "..." not broken by any means. How can this be done in a reliable way? E.g. is there any Unicode single char guaranteed to be available in all Android appliances that gets rendered as three periods?
Fabrizio Giudici - Java Architect, Project Manager Tidalwave s.a.s. - "We make Java work. Everywhere." java.net/blog/fabriziogiudici - www.tidalwave.it/people Fabrizio.Giud...@tidalwave.it BEGIN PGP SIGNATURE Version: GnuPG/MacGPG2 v2.0.14 (Darwin) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/
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Aug 7, 2010
I updated to 2.2 (Froyo) a couple days ago.While not really noticing anything significantly different, I have noticed my battery life is much shorter now.Before the 2.2 upgrade I'd unplug my phone around 8am. Thoughout the day I'd use it a bit simple internet searches, maybe 10 SMS, and maybe about 30 minutes of talk time. In addition I have a couple programs (Loopt, Weatherbug) that use GPS routinely to pinpoint my position. I aslo have Facebook and a news tracker that autoupate from time to time throughout the day. Even with all this by 10pm my battery would still show in the green approximately at 40%.I upgraded to 2.2 and have noticed my battery life is way worse.Today I unplugged the phone around 8am. The battery showed a full charge at that time.I didn't make a single call, or even turn the screen on whatsoever until around noon.At that time I sent a single SMS and noticed that my battery was yellow, probably around 20%. By 2pm the phone shut itself down due to a weak battery.I charged it up again and once again, in about 4 hours time my phone was nearly dead.I've checked all my settings and they are the same as they were before the 2.2 upgrade. If I look at the screen that shows what using your battery it indicates that 92% is being used by the andriod operating system. Not sure what the percentage was with 2.1 but that seems awfully high when you're not doing anything.Anybody else having the same problem? For what it's worth, my data calulator only showed 35kb up and 85kb down during the 6 hours this morning before my phone shut down.
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Sep 3, 2010
So after this 2.2 update, i have been slowly starting to use the native messaging app again, and i can honestly say it is finally on par with chomp. Minus the customization of notifications and backgrounds and whatnot, all of which i dont really use, i am wondering if i should do away with chomp and go back to the stock app? The only thing i think i would miss about chomp is how i have it set so when i get a text the screen lights up so i can slide down and read it without having to press the lock button up top. Thoughts?
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Mar 14, 2010
I have the update, and I'm wondering if I use recovery mode if I will reset back to pre or post update.
I ask because I like to run factory stock and delete apps I do not use. And I would like to delete the Device management now, but would want to be able to go back at some point when another update comes down.
The trick to delete the data from the settings doesn't work, it reappears immediately.
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Jun 7, 2010
I have some messages being passed back from my server through php. The problem is that the messages are in English and if the user is using another language they will still get the message in English.
So I had an idea that maybe instead of passing back the message I would instead pass the String resource Id from the android app, that way the app will get the correct string id for their language. I will use this in a number of apps so I just want to know if the string id is guaranteed to be the same across different android projects?
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Aug 5, 2010
I"m planning to store my data in a binary format as a resource, read it into an int buffer and basically pass it straight down to a native C++ function, which might cast it to a struct/class and work with it. No pointers, obviously, just ints and floats. The question is - what kind of fixing up do I need to do? I suppose that I need to check ByteOrder.nativeOrder(), figure out if it's big Indian or little Indian, and perform byte-swapping if need be. Other than that, floats are presumably guaranteed to be expected in IEEE 754 format? Are there any other caveats I'm completely overlooking here? (Also - since I'm compiling using the NDK, I know what architecture it is already (ARMv7-A, in my case), so can I technically skip the Indian shenanigans and just take the data the way it is?)
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Oct 15, 2010
Maybe quite a lot of SGSers are dying to know how the Froyo update progresses across the globe. I know about Sweden and Norway so far. Please let us know if the update appears in KIES in your country. It would be a nice extra if you'd publish your product code too.
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Aug 21, 2013
As you can see on the attached screenshot,when in full screen mode, the youtube's last update app won't show the progress bar, same thing happens on a galaxy tab 2 7"
GT-I9100
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Jul 14, 2010
I've got two confirmed BB reservations before noon tomorrow. only need one. PM to claim...
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May 16, 2010
This might just be me being picky, but... after the update yesterday, when I go to select multiple contacts to send a text to it now gives a list of EVERYONE in my phone book and facebook friends listing their home/email/cell phone numbers all individually, which caused the list to go from about 50 names to scroll through to over 300. Now before the update when I went to select multiple contacts to send a text to it was just the list of the people who's phone numbers I have in my phone. (BTW, this is the stock messaging feature, not an app or any of that). I've looked for hours for a setting to only show phone numbers and not to show facebook contacts in the text selection but no luck at all. Can you guys help a semi tech savvy guy out here?
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May 14, 2010
Check it. as long as you're a student. Submitted mine, now it's a waiting game. Google Voice for Students
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Oct 28, 2009
I frequently run into the problem that I have to preserve state between several invocations of an activity (i.e. going through several onCreate()/onDelete() cycles). Unfortunately, Android's support for doing that is really poor. As an easy way to preserve state, I thought that since the class is only loaded once by the class loader, that it would be safe to store temporary data that's shared between several instances of an activity in a static Bundle field. However, occasionally, when instance A creates the static bundle and stores data in it, then gets destroyed, and instance B tries to read from it, the static field is suddenly NULL. Doesn't that mean that the class had been removed and reloaded by the classloader while the activity was going through a create/destroy cycle? How else could a static field suddenly become NULL when it was referencing an object before?
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Oct 30, 2010
Post your PingChat ID here lets enjoy together.My ID : talktoanil
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Apr 27, 2010
I need to cancel the missed calls notification for a certain number. I've seen the NotificationMgr class on com.android.phone but i'm unable to call it trough reflection.
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Jan 7, 2010
I'm using an horizontal progress bar in my Android application, and I want to change its progress color (which is Yellow by default). How can I do it using code (not XML)?
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Jun 19, 2010
I updated my Eris to 2.1 about a month ago, and it's been running fine up until about last week. Lately, the battery hasn't been lasting me more than 12 hours, and I've done everything I can to save battery life, plus the battery cover usually gets hot enough to cook some eggs on top of. The problems I've encountered lately is with making and receiving calls. When trying to call someone, it seems to take forever. I know my phone isn't the fastest Android, but it used to work fine. It takes a good 30 seconds just to type in a 10 digit number; the phone usually freezes a couple of times, its just generally laggy.
When I try to receive a call, the same basic thing happens. The phone freezes up while I am trying to slide the bar down on the lock screen, etc. Here's the main issue. After sifting through the freezing and lagging, and finally get to the call, I cannot hear anything, and they cannot hear me. The call is connected; I see the notification up top, and I have got the vibrate to tell me it's connected.
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Mar 8, 2010
I used *228 and pressed 1 and did it again and pressed 2 neither worked and still cant make calls.
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Sep 23, 2010
My wife and I both have DroidX phones, and Wednesday I updated mine to Froyo with no problems then last night I updated hers. I've had no problems with mine, but on her phone when making a call neither her or the person being called can hear each other. She called me earlier from the DroidX and I got the call but the line sounded dead. She couldn't hear me nor could I hear her. Is this an update problem or is some setting on the phone not set correctly? I'd assume even if Mute was pressed she could hear the person she called, but she's verified Mute isn't pressed nor is the volume turned all the way down. Any suggestions? Also worse case if I rest the phone to factory would it revert back to Android 2.1 requiring the Froyo update to be reran or did the update flash the ROM as well?
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May 20, 2010
Since the update to 2.1. When i make a call it dont ring says its making a call and its counting up. But no ringing. I have to turn off my phone and turn it back on, then it works.
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