Android :: Google Gson Running On Droid / How Does It Work
Mar 4, 2010
I'm playing arround with google gson for communication with my web back end at the moment.
This and this older posts indicate that there are some problems with gson on android.
I did some easy tests on the device already but maybe I just missed the bug.
Edit I'm now parsing a lot more data. Generic lists etc. still not encountered the bug.
Has anybody used gson on Android already? How does it work? Has somebody encountered bugs or something that will stop me from using it once it gets more complicated?
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Jun 19, 2010
I've never quite understood the connection. If you have a Google Voice phone number set to forward those calls to your cell phone, do you need to have the app running on your cell phone for this to work or can it be manually turned off?
I would imagine that the call forwarding would work regardless, but what about the app keeping track of those calls in a call list, or keeping track of the voicemails, etc.? Can you just open the app manually and all of this information will be there, or does it need to be running at all times in order to record the phone calls/voicemail as they come in?
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Nov 19, 2010
I managed to sign in with my google account (using the Google API AVD), but any notes that I write does not sync to the jumpnote.appspot.com, and vice versa. I notice in the account settings, it says "sync is OFF". I click on menu and the "sync now" button, the sync icon shows up momentarily on top but nothing happened after that. The notes I wrote on the phone do not get reflected on the server. Did anyone manage to get the jumpnote sample to sync successfully via C2DM?
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Jul 29, 2010
I am trying to parse a json object using gson in Android application ,the test passed quite gracefully in emulator ,while i used the actual device ,the problems started.
I am getting the exception as follows.
CODE:...................
I am using gson 1.4 version.The code i use is:
CODE:..............
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May 10, 2010
I'm searching for android phones that can use video out to the tv for a research project. I'm considering the HTC Touch Pro.
Is there anything I have to do specifically to get the video out to work (for displaying my app on the tv)? or will the phone just display a running app on the tv without extra work?
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Mar 28, 2010
I have google voice and use it for every phone call I make. I heard that there were issues with several gvoice updates, so I haven't updated google voice since 0.2.8 and it is working just fine- every call connects, no problems. Is it worth updating to the newest version of google voice with push? For those of you with 2.1 on your Eris- does google voice work for you?
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May 1, 2010
I have successfully gotten JmDNS working on Android 2.1 testing on a Motorola Droid by using MulticastLock, but recently got an HTC Incredible as second test device, and JmDNS discovery doesn't work at all.I should mention that broadcasting a service still works and everything appears to run normally, but serviceAdded never gets called. Does anyone have thoughts on why this might be?
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Nov 24, 2010
I have the following json response from a url:
CODE:........
And here's how I'm doing the parse:
CODE:.......................
When I run the code, I get this error: ERROR/AndroidRuntime(823): java.lang.RuntimeException: No-args constructor for class com.project.driver.Driver$Post does not exist. Register an InstanceCreator with Gson for this type to fix this problem.
I'm having trouble with defining a suitable Driver.java for the parse. When I omit the 'last5comments' field, everything works fine, it's just the 'last5comments' bit I'm having trouble with...
Here is Driver.java:
CODE:......................
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Sep 2, 2010
I am developing an Android application and I access a RESTfull web service that returns a JSON. This JSON I want to put it in POJOs but I think I am missing something as it doesn't work.
The JSON retuned is as follow:
CODE:.....
This is returned in response variable
CODE:.............
And now I try the following:
CODE:................
The error I get is:
CODE:.................
Here are the POJO objects
CODE:.......
To access the web service I use the class from: http://lukencode.com/2010/04/27/calling-web-services-in-android-using-httpclient/
Can't figure out how to continue. I found some subjects here but still didn't found a way around.
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Jul 6, 2010
I'm trying to deserialize json data to an ArrayList of Restaurant object as follows (inpsired by what I found in https://sites.google.com/site/gson/gson-user-guide#TOC-Collections-Examples):
CODE:...............
But this gives the error shown at the end of the post.
It seems that there is some null pointer in listType... Here's a watch of listType:
CODE:...............
What's wrong with my code? How can I do that?
CODE:....................
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Jun 24, 2010
I'm building simple app, simply to learn the android ropes, that will display a list of the most recent photos uploaded to flickr. The app is constructed but it's crapping out when it tries to deserialize the json that I get back from flickr. Here is my error:
CODE:....................
From, the error I'm assuming it has something GSON doesn't like about the json that is being returned but I don't know enough about how java converts objects and other types of variables during the whole operation.
I'm not sure if you will need this but here is some of the code from the project:
CODE:..........
Here is FlickrPhotos:
CODE:........
Here is FlickrPhoto:
CODE:...................
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Feb 25, 2010
I use Google Latitude with several friends, but have noticed that when I run it in the background, my last know location on the friends phone shows where I "stopped" but never updates. Example: I leave my house with Google Maps/Latitude running and decide I want to listen to DroidLive. Once I switch to DroidLive it appears that Latitude stops broadcasting my locations and my friends see that I'm in the middle of a highway for 30-40 minutes until I kill my music and go back to the maps. Is this a known "bug" or is it something that just doesn't work? I thought that the processes would continue to work, but I might be wrong. I also notice that when launching another app while in Google Maps that my GPS indicator also stops until I get back into the Maps.
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Mar 3, 2010
I've created multiple sub calendars within my standard gmail calendar account to managed my kids calendars. Doesn't look as though these calendars will come over to my Eris running 1.6. Is that correct? Any work around or am I missing something?
In the calendar option on the phone I see:
My calendar
My work gmail calendar
Outlook
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Aug 22, 2010
Both listed under applications->running services as always running. I don't need/use either so how do I get rid of them?
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Feb 22, 2010
will google shopper work with current android 1.5? and if not are we going to get it when the update comes soon hopefully!!!!
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Jun 20, 2010
I'm relatively new to Java, eclipse and android so this could be a completely silly question, but I'm going to ask it none the less.
I've got a project I'm learning with to test connecting to the flickr api and simply displaying recent images. I'm at the point now where I want to parse the JSON received from flickr. I've downloaded gson 1.4 and added the zip to the java build path through "add external jars." It's successfully loaded and I can see google-gson under referenced libraries in the package explorer. My problem is, when I try to use it, I simply get an error.
Gson gson = new Gson();
It highlights Gson and says that "Gson cannot be resolved to a type." What am I missing here? It worked once and has since stopped. I've tried removing the jars, cleaning the project and re-adding the jars but it still doesn't work.
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Nov 20, 2009
Is anyones google search not working. The google web page seems to start to lad but never finishes.
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Nov 5, 2009
With the google voice android app (i'm hoping someone here uses it and knows about it)
How does it work with SMS/texts?
Will i have to go INSIDE the app in order to send and receive texts? or will it literally replace the built in text functionality on the android phone itself?
If i have to go inside of an app, then this is not for me, i mainly am a huge texter.. and i would like to resume using normal texting procedures not have to go inside of an app.
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Aug 12, 2010
I'm new to droids and I decided to root my x. Everything was fine until I started deleting bloatware. I deleted something and now my market and all google related programs don't work. Gmail, talk, market, etc. I downloaded all of the original apk's and reinstalled all of them and still nothing. Also after deleting all bloatware everything worked fine until I factory data reset.
When it rebooted that was where the problem started. I'm not an idiot when it comes to these phones and know what I'm doing usually I just deleted something that a list told me was safe to delete and apparently wasn't.hopefully someone can help me out. Oh and I am unrooted now due to bringing it in to verizon to get it warranty'd out. I wanna fix it that way I can sell it to a lucky someone for cheap and no 2 year contact rather than sending it back to motorola.
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May 3, 2010
My status on Google Talk never changes despite the fact that I have the settings checked in settings to "go to away when I turn off the screen" as well as "show mobile indicator to friends". This wasn't functional in 1.5, 2.1v1 and now 2.1v3 on my Eris. Has anyone had success? I've seen this function work on a TMobile rooted G1 but that's it.
I can watch the indicator change on the web when I change it manually (signed in as another user), and its very responsive. However, no auto-away when i lock the phone, and no indication that I'm on a mobile phone.
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Jan 15, 2010
I want to learn some programming for my android phone. I was successful doing the hello world app. package com.example.hellomapview;
import android.os.Bundle;
import android.widget.LinearLayout;
import android.widget.ZoomControls;
import com.google.android.maps.*;
public class HelloMapView extends MapActivity {......................
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Sep 26, 2010
I'm trying to register a Google Account with the Android emulator running 2.2 API level 8. Forums suggest that you can do this by going to Settings -> Accounts, however for me I only have the option to add a "corporate" account, i.e. an Exchange account, not a Google Account. I wish to add this Google Account to test c2dm from the emulator. Does anyone know how to associate a Google account with the emulator in this build?
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Aug 12, 2013
I'm currently using a Nexus 7 (2012 model) running Android Jelly Bean 4.3. I've been having a strange issue where the Google Play app keeps saying there is no connection. This has also occurred in the Youtube app. I have tried changing my time manually, rebooting my device, and uninstalling updates, to no avail. I am currently unlocked and rooted, and using TWRP as my recovery.
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Jul 1, 2010
After the update my Google Talk keeps running in the background DESPITE having auto sign in and stuff unchecked.
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Feb 12, 2012
this is an issue that I have always noticed but just decided now to create a thread for it as to a question of why Google Maps is running in the background and how can I make it stop? It takes about 5mb of RAM which I care about since I am using a very low memory device, The Motorola Droid 1.
Here's a pic:
how I can make it stop running in the background? It is confirmed that GPS if off and im not signed in to Latitude or anything like that.
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Aug 17, 2010
The import com.google.android.maps.MapActivity cannot be resolved to a type.
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Jun 4, 2010
How does the voicemail work the phone? It says i have to call this number to configure my phone but everytime i call it, the number never works. Also, why do i get a text back in my regular inbox when a person responds to my google voice text?
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Jun 27, 2009
When I write something in my Google calendar, it appears fine in my HTC calendar. But when I write something in my HTC calendar, it doesn't show up in my Google calendar.
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May 1, 2010
Google talk service starts running as soon as the phone is on, even though the app is closed (with ATK). Anyone know how to prevent it from starting up with the phone? I dont really use gchat on the phone so I dont want it to run unless i open up the app.The same occurs with google voice (which i only have set up for voicemail). This one I dont care too much if its on since at least its useful for voicemail.
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Jan 3, 2013
I've been using play music on my HTC thunderbolt running twisted's latest ics build, and the only problem I have is that if I start a song in play music, go to the home screen, and then go back into play music there will be no song name album names album art or scrub bar (etc) for the duration of the song
I've tried rebooting, full wipe and re flash but I don't know what the problem is..I've googled for the problem but I haven't found anything as of yet.
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