Sending And Receiving Asynchronous HTTP Requests?
Jul 20, 2012
I developed a game for Android called Jumping Bird, it writes the score obtained by the player in the database on my web server, but it does so synchronized. While it tries to write data in the database on the web, the entire game is stopped , and worse, when the server is slow, the request takes more than 5 or 10 seconds, an ANR(application not respond) error occurs and the OS tries to close the app.
I wonder how I can make that request asynchronous.There is any library that does it?
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May 19, 2010
I am developing a microblogging platform in which I need to populate the page with Post (user defined class with fields) obtained from the Django server using HttpGet.In the client side(Android) I am using GSON to parse the responses from server to the type Post. So I require that server should send Post's one by one so as to add each of them to a list of Posts after parsing and then finally notifying the list adapter of changes in the data set after all Post's have been added.But the problem coming when intially loading the application, the page has to be populated with 10 latest Post's from the server. So I thought of a rather dirty way of sending 10 httpget requests to the server one after the other to the server. The code looks like this.I was thinking of executing it 10 times in a loop to get the 10 Post's I require. But in Django as far I know (correct me if I am wrong) there's no way to keep an index of the last sent Post to the client and so no way to send the 'next' Post on the next HttpGet request. So I am out of ideas.I feel there's a better way to do this efficiently.
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Dec 30, 2009
This is the servlet code in java ME.
protected void doGet(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
PrintWriter out = response.getWriter();
ArrayList<String> listName = new ArrayList<String>();
ArrayList<Integer> listLongitude = new ArrayList<Integer>();
ArrayList<Integer> listLatitude = new ArrayList<Integer>();
String sLongitude = (String) request.getParameter("x");
String sLatitude = (String) request.getParameter("y");
String path, list, scount; Integer numLong = null;
Integer numLati = null; Connection con = null; String slanje = "";
int limitLeft, limitRight, limitUp, limitDown, icount = 0;
if (sLongitude != null && sLatitude != null) {
try { numLong = Integer.valueOf(sLongitude);
numLati = Integer.valueOf(sLatitude); } catch(Exception ex) {}
} try{ Class.forName("org.apache.derby.jdbc.ClientDriver");
con = DriverManager.getConnection("jdbc:derby://localhost:1527/bazaprojekt", "projekt2009", "midlet"); limitLeft = numLong - 8; limitRight = numLong + 8; limitUp = numLati + 8; ...
How do I send x and y to servlet and receive some string in Android?
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Jan 13, 2010
Is there a limit on the number of simultaneous http requests of the form:
HttpResponse response = client.execute(request);
I'm interested in any official limit as well as practical ones.
(In a previous life, you had to dig deep to discover that WinMo only allowed three WebRequests to be open at a time.)
Let's say I have a list of 20 files to download on a background thread.
Should I: Download them one at a time, blocking the thread (but not the UI thread) to wait for each one? Start 20 threads each downloading one of the files?
I expect the answer may be somewhere in between, where I create C threads and work on the queue of N files, where C is a number like 3 or 4.
I suspect some of you here have already done some experimentation and know the magic number. In addition, I suspect there may be more efficient ways of doing what I'm doing than creating a new DefaultHttpClient for each request.
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Feb 23, 2010
Im using a web service, so I want to use an async thread for the HTTP authentication request and another thread later to make additional service requests while my main thread runs.Would like to see a good example of how to do this and how to show busy messages somehow in main app. How does the main app know when the thread finished? And what if my thread encounters exceptions, how do I deal with that?HTTP requests are sent later, use the same cookies setup up by the first auth request, so will the later requests pick up the same cookies and just work?
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Jan 14, 2014
I'm trying to employ HttpResponseCache to cache each HTTP-request sent with HttpURLConnection.
why I get hit count always zero?
Code:
HttpResponseCache.getInstalled().getHitCount()
Usage:
Code:
for(int i = 0; i < 2; i++){
try {
HttpURLConnection connection = (HttpURLConnection) new URL("http://www.google.com").openConnection();
connection.setUseCaches(true);
if(i == 1){
try {
[code]....
On 2'nd run I have "NOT cached" in console and hit count == 0.
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Aug 29, 2010
I saw an message "page could not be loaded" in an app that I was using which made me realize that it's UI may be HTTP based somehow. Is there a way that I can find out where it is sending its requests?
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Jul 22, 2009
How to trace the HTTP requests/responses e.g. by using Wireshark? I am using soap web services i want tocheck wheather the soap request from the web service sis going properly.I neee the Xml response from the server but non xml format i am getting how to check this request and response using Wireahark or any other process.
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Jan 27, 2010
I have an app making an https post on one thread while performing a file download on another thread. For some odd reason, I am getting a ClientProtocolException saying that "The server failed to respond with a valid HTTP response". The error goes away if everything is run on a separate thread. Oddly if I run the two server requests in serial, the error goes away. It seems there's a bug that happens when two requests are made at the same time.
Important note: The post occurs to a different server than the download so the servers themselves should not be causing the problem. The code is simple. Here's the file download code:.............
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Aug 2, 2010
I have an application that is performing HTTP Requests (specifically calling the FogBugz API) when the user clicks certain buttons. Right now, I am just creating a service when the application starts, and then calling different methods in that service to complete requests. However, when I do this, there is the usual hang in the UI thread. I have looked at AsyncTask, but am not sure it will do what I want to accomplish. Because I need to instantly parse the XML that the HTTP Request returns, I need to have a process that is able to return this data to the UI thread. Will ASyncTask be able to accomplish this, or is there some other way.
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Mar 17, 2009
Is there an easy way to inject a header into all HTTP request sent from the emulator, including HTTP requests made by my app and also by the built-in web browser? I need this ability to model the behavior of a carrier gateway. I tried running the emulator through Fiddler as a proxy because I know how to manipulate HTTP requests in Fiddler, but that that didn't work. The emulator was successfully able to make the first HTTP request, but choked on subsequent ones. Reading this list, it seems that getting the emulator to use a proxy is not is not that easy. If this is the only way to do what I need, then I'll certainly give it another shot and post details about any problems I encounter. I am just wondering if perhaps there is an easier way to inject a header.
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Jun 18, 2010
I am rooted with Fresh's.03 rom and for some reason I havent been able to receive any QIK video chat requests. I am just getting a forwarded text message with a link that says someone is trying to call me.
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Nov 17, 2010
so I'm a new evo owner, had the phone for about 2 weeks.Love it, it's the best.Onto the problem.When I first got my phone I was sending and recieving pics no problem.A few days later I was not able to send a pic. I thought it might be too big, but knew that the evo should reduce the size and send it.After doing some reading online, I found many people suggested downloading handcent.I did this, but still can't send or receive mms. My phone is not rooted, don't know what that would do anyway.I know there are some hardcore evo users reading these threads and I see many people have had the same problem I have, but I have not found an answer to this yet.It's not a huge deal if I can't see the picture my buddy send me of his ass, but with this phone I should be able to see it if I want to.
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Jun 14, 2010
How can two EVO�s purchased at the same time have the most random problems?My girlfriend and I bought our EVO�s at the same time/place and both have completely different random problems.
#1) When we first got our phones we tested out a bunch of stuff including texting photos to each other. She got the ones I sent, but I didn�t receive hers. I thought it was something wrong with my phone, but after a bunch of testing, it looks like it�s hers. What makes it annoyingly weird is that I can receive texts with photos from her UNLESS she sends it in this manner: from the photo she chooses share, then the screen comes up to enter who to send it to. If she enters my name by hitting the search magnifying glass in the upper right and then chooses my name, I will not get the text. Every other way she sends it, I will receive the text. Makes zero sense as I can send her a photo text any which way from my phone and she gets it.
#2) My EVO has the 4 navigation buttons dimly lit all the time unless it�s plugged into the charger. Her phone does not. Not a huge deal, but I am concerned it is draining the battery just that much more unnecessarily.
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Jun 15, 2013
how to send and receive MMS on Android?
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Jan 5, 2010
I have tried to create a android application that sends a serialzed object from the phone to a servlet the contents of the object is the input from the user which i will store in a database using hibernate.
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Nov 26, 2009
I am just wondering if it is possible to receive SMS in a particular port. I believe by default all SMS messages are delivered to Port 0 and SMS manager gives the notification about this message.Is there any way in which we can send and Receive SMS messages in any particular port apart from the default port.
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Nov 20, 2010
I'm using a Desire on T-Mobile UK and it seems a bit of a lottery as to whether I can send or receive MMS messages. Sometimes they are sent and received without a problem when I'm connected via WiFi, but on other occasions I have to switch to a data connection to send or retrieve MMS messages.The message I occasionally encounter is "generic network failure".
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Dec 31, 2009
i have a HTC Hero & i was wondering how you send songs or images to other people via Bluetooth?I have looked around the phone and there is no Send via Bluetooth anywhere.It kinda sucks if you cant do it as every phone these days should have the capability of sending & receiving Files.
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Oct 10, 2010
Softbank Japan has just released an sms/mms app that allows sending and receiving emoji! I just tested with my wife's iphone, and I could send emoji fine with my HTC Desire (Softbank x06HT), and I could receive it fine! A big selection of emoji too, maybe the complete set that Softbank usually includes on their other phones. It is buggy and a bit clunky, but it's a *lot* better than nothing! Lots of complaining in the comments section, but I don't think it's that bad. Now, the big question: Is it available in other markets? I'm in Japan right now, and I searched for "Softbank" in the market and I found it... It's called "Softbank メール". The link that they sent me in a news SMS is: "http://market.android.com/search?q=jp.softbank.mb.mail". They also say it is Froyo only...
Lastly, for those who have been in Japan a while and have an @softbank.ne.jp or @x.vodafone.ne.jp (like me) can now use those mails on their phones as well, inside the app. I sent myself a message and received it fine, and when I replied it sent from my old vodafone mail address (although I haven't figured out how to choose between SMS and e-mail for sending yet). EDIT: Figured it out, just type in a phone number (or choose from contacts) to send an SMS, type in an e-mail address to send from your @softbank or @vodafone address. Swet. I'll see if I can post the full message, for those who can read Japanese (I can't read very much of it, only hiragana/katakana).
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Apr 21, 2009
Ok, I have 2 Activities I want to send data between activity A and B.My problem is that some random code of mine seems to be called between startActivityForResult() and onActivityResult()in Activity A.This doesn't make any sense because there is no code after startActivityForResult() is called.Shouldn't onActivityResult() be the first thing A does after B finishes?
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Sep 10, 2010
I just activated my new fascinate and can not receive or send texts from my GF (who is on att) but I can get texts from my roommates (on verizon). Anyone know what the deal is?
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Oct 23, 2009
I am able to sync with my exchange email on the HTC Hero for Sprint, but i am not able to properly send emails. I can send an email and it will appear as it goes through, but the email is never actually sent or does not show up on my sent box (on either the phone or outlook).Any similar issues from others & any suggestions on fixing?
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Jun 3, 2010
I've been using Handcent and I have trouble receiving and sending picture messages. When I get a picture is views it as a movie? how can I change it so it is just a picture, as for sending pictures, It's not working at all! Any fixes?
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Nov 29, 2010
i recently bought a HTC Desire Z and when i broguht it home, i hooked it up to my wireless n router with MAC filtering and I believe WPA security. it was working fine until around sunday. it said i was connected to my network but i was not recieving or sending any data.
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Jul 13, 2013
I am trying to send pictures to another phone, the MMS seems to be sending from my hpne, (no error messages or anything) but the other phone isnt receiving them. I can receive MMS from the other phone to mine but not vice versa...
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Feb 2, 2013
Whenever I receive or send an SMS the CPU usage goes up to 90%-100% for like 5 seconds and then returns to low usage. At first I thought it was a problem with Handcent and after uninstalling and using the stock messaging program it does the same.
Is this normal?
Device: Sony Xperia Mini
Android: 2.3.4
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Sep 17, 2013
When I receive a simple text message, I have to make sure I wait a full minute before deleting it because SMS Backup + https:/[url]...has a minimum interval of 1 minute for auto backup. Is there an app that can be set to do automatic backups in intervals of less than 1 minute? Is there a reason why there can be no immediate *auto* SMS+ Backup upon sending/receiving, in other words, is there a reason to wait at least one minute before the incoming/outgoing text message is backed up?
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Jul 25, 2009
I'm building a service that sends a broadcast intent when some value changes. The service sends the broadcast like this:
Intent broadcastIntent = new Intent(); broadcastIntent.setAction("nl.vu.contextframework.NEWREADING"); broadcastIntent.setData(Uri.parse("context://"+cer.getKey())); broadcastIntent.putExtra("reading",cer); broadcastIntent.addCategory("nl.vu.contextframework.CONTEXT"); sendBroadcast(broadcastIntent);
In some Activity (in a different process), I'm tryint to receive this broadcast as follows:
IntentFilter intentFilter = new IntentFilter();
intentFilter.addDataScheme("context");
intentFilter.addCategory(CATEGORY_CONTEXT);
registerReceiver(new BroadcastReceiver() {
public void onReceive(Context context, Intent intent) {
Log.d(TAG,"Received intent "+intent); }
}, intentFilter);
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Feb 15, 2009
Is there already functionality similar to the push registry or wireless messaging API in J2ME implemented in Android? Or at least plans to do so?I have been looking at this issue for a while, because in a corporate environment it is essential to be able to push information out, or trigger actions via SMS or other connections.I have successfully sent an SMS between emulator instances, and successfully received an SMS by using a BroadcastReceiver on another emulator instance. I have also been able to use SmsManager. sendDataMessage to send a data message to a port on another emulator instance, but in this case the BroadcastReceiver is never triggered. This seems to be the closest the API's get to what I'm looking for.
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