Android : Can Droid Handle Data?

Jun 8, 2010

I have just gotten my first Android based device, the HTC Droid Incredible.

I am not new to the world of smartphones (I have owned a Blackberry and have worked on many other Blackberries), but I am new to the whole world of Android.

I really do like it so far, but I have a question...

How does Android handle data? What I mean by this question is this: Does Android use a store and forward approach to sending data (emails)? Or does it send it out and if it doesn't have a good connection, it will just fail out, never to try again?

And based on the fact that it uses data, I also assume that it will never lose it's data connection even though a cell phone tower might be buried under voice calls?

The reason I ask this is because during 9/11, many people's cell phones could not make or receive calls but those who had some of the first Blackberries were able to send and receive emails just fine due to the store and forward approach.

Also, another reason is that this device will be used in a SHTF type of situation due to it's capabilities and I want to make sure that it will work with data (sending emails), although I may not be able to make voice calls with it.

Android : Can Droid handle data?


Motorola Droid X :: Network Not Being Able To Handle Text / Data At Same Time

Oct 17, 2010

Well i have Handcent and have set it to pop up so i can reply system wide. While looking at You Tube videos it pops up i reply and when i go back to my video its just blank will not restart or anything else i have to hit back and click on the vid from the start. Its just annoying. Anyone know a work around this. I am Rooted i also have Tasker (but not that good where i can figure out how to do this) Does this happen to everyone is this just the network not being able to handle text and data at the same time. It worked fine on my old iphone.

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Android :: Best Way To Handle Preserving Data From Spinners

Jun 14, 2009

This is a general architectural question. I want to offer a user a simple two page form. The first page will have a few Spinners for the user to select options from. The second page will have a series of EditTexts for the user to fill in. After the second page, the user clicks a button to generate a text file based on the values they have input. My question is: What is the best way to handle preserving the data from the spinners on the first page of the form, in order to place them into the text file? I feel like the "architecture" should be something like this: 1. User selects Spinner values on first page and clicks button to move to next page of form.. 2. Spinner values are placed in database 3. User fills in EditTexts on second page. Clicks button to generate text file. 4. Database is queried for Spinner values, which are added to newly created text file, then EditText values are added Does this strategy make sense? Does anyone have advice on a better way of handling the gathering of two pages of form input then using it to create a text file? The user would need to be able to flip back and forth between the form pages as needed.

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Android : How To Handle Data Output In An Observer?

Apr 8, 2010

I have an Observable and an Observer. The observable does download some stuff in a background thread and calls notifyObservers to let the observers read the status. At some point in public void update the observer tries to updates the GUI Is there some way I can prevent this from happening? I'm sure I'm missing something obvious here.

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Android :: SQLite Handle Large Amount Of Data?

Jun 26, 2010

I will be making a mobile application in Android. My application is like Google Map's Get Direction feature, but a lot more complex, so I need to store data about points in the map. So I'm worried that SQLite may not be able to handle these large amount of data(or considering the limited storage of the phone). I have no background in SQLite so please bear with me.

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Android : Way To Handle Camera Preview Data Without A SurfaceView?

Mar 25, 2009

I want to receive the data from the preview of the Camera, but without having to set a SurfaceView with a SurfaceHolder in the view of my application. I want to do something like this: Camera cam = Camera.open(); cam.setPreviewCallback(new MyPreviewCallback()); cam.startPreview(); This will not work because I need to call setPreviewDisplay (SurfaceHoler) before I start the preview. I can get a SurfaceHolder from a SurfaceView, but I don't want a SurfaceView, because I don't need one. I just want to handle the preview data by myself.

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Android :: Handle Unexpected Internet Disconnect While Downloading Data

Mar 31, 2010

I have here a function that downloads data from a remote server to file. I am still not confident with my code. My question is, what if while reading the stream and saving the data to a file and suddenly I was disconnected in the internet, will these catch exceptions below can really catch that kind of incident? If not, can you suggest how to handle this kind of incident?

I call this function in a thread so that the UI won't be blocked.

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

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Android :: Want To Save Data On Web Server / Send Request And Handle Response?

Aug 16, 2010

I want to save the data on the web server. I have data in XML format and I know the URL String. Please tell me how can I send the request and handle the response.

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Android :: How To Handle Application Upgrades From Free To Paid Version / While Preserving Any Data

Jun 10, 2010

I want to have a free version and a premium version of the same application. When people buy the application, I want them to be able to "upgrade" without losing their data, i.e. the premium version should install over the free version.I want to use the same code base and just switch a setting to build the premium version.
Andoid Market does not let me convert a free app to a paid app, so the trivial option is not available.I am curious if someone has tried this successfully. How does Android Market identify an application - will it think that the premium version is a different app and just install it in parallel?

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Android :: Check If Droid Can Handle PDF

May 6, 2010

I know Android cannot handle PDFs natively. However, the Nexus One (and possibly other phones) come pre-Installed with QuickOffice Viewer. How would I determine whether the user has a PDF viewer installed?

Currently, the code to start the PDF download looks pretty simple:

Intent intent = new Intent(Intent.ACTION_VIEW);
intent.setData(Uri.parse(url));
startActivity(intent);

After the download, the user clicks on the downloaded file to invoke the viewer.
However, if there is no PDF viewer, Android reports "Cannot download. The content is not supported on the phone."
I want to determine if the user will get this message, and if so, direct them to PDF apps in the Android Market.

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Android : Handle Person Extensions In Droid 2.0?

Dec 3, 2009

I have as a lot a people troubles with the new ContactsContract class.

My problem is like in 1.5 and 1.6 devices, we can add a key to a contact with the Contacts.People.Extensions class. But now there is a problem with this content provider.. It's unknown by new devices. And it's the only provider who does not work. Does someone know why is it not working anymore ? And is there a new way to put some extensions for contacts ( with the ContactContract class maybe?

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Android :: How To Handle Incoming Call Events In Droid?

Jun 29, 2010

Does anybody know if there is any event to handle incoming calls?? I'm developing an app that streams audio from the microphone and I would like to have a listener that stops the recording, etc when there is an incoming call...and that restarts the process when the telephone call is over.

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Android :: Handle Droid Trackball Events From A Web Page?

Jun 24, 2010

Is there any DOM event in Webkit associated to trackball events (movement and pressing)?

Or is there any other way to handle those events from a webpage?

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Android : How Viewflipper Handle Back Button In Droid?

Mar 16, 2010

I'm thinking about using a ViewFlipper for an Wizard like Activity. But I see one problem with this approach. The back button. Will the back button go back to the last shown activity or will the the Viewflipper somehow catch the back button event and only change to the last shown activity?

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Android : How Can I Handle Droid Hardware Back Button?

Aug 22, 2010

I have an onKeyDown event which is only needed for handling the Up and Down hardware keys in my app. For these it returns true, as they are handled. For anything else it returns false which I understand means that the OS should handle them. However, when I press the Back button, my onKeyDown is called and returns false, but there is no other effect. I want/would expect the OS to finish the current Activity and resume the previous one.

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Android : Effective Way To Handle Redundant UI Elements In Droid?

Sep 13, 2010

I have numerous activites in my Android app., and most should contain the same, relatively complex set of UI widgets on the screen's top area (lets say that its a kind of toolbar that you can find on most screens).

Right now, every screen's layout contains the markup for this toolbar, along with its logic inside every Activity's source, so it's damn redundant. Could you recommend a more efficient / less redunant way to do this?

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Android :: Handle APK Signing For Droid In An FOSS Project?

Oct 29, 2010

I'm working on an open source project for android and am wondering whether there are any best practices (or at least well-argued hints) on how to manage the private key for signing the APKs.

On the one hand, the key should be secured, on the other hand, at least the members of the core team should be able to create "official" releases.

My first suggestion was to just distribute the encrypted private key in the source repository and give out the passphrase to committers, but the trust (from the community to the individual) cannot be revoked.

Is there any other way to share the signing rights (e.g. by setting up a private CA and creating keys for each committer) among the members?

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Android :: Handle Lock Screen Button Input For Droid Activity?

Nov 12, 2010

Suppose I have something like an alarm activity which launches the alarm through the lock screen, accomplished via

getWindow().addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON);

Now, from here I could press the back button to kill the activity, but I also want a press of the lock button to silence the alarm. How would I go about creating a handler for presses of the lock screen button?

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Motorola Droid X :: Physical Buttons / Hard To Handle?

Jul 23, 2010

How do you guys like the physical buttons vs. the soft buttons (glass) on other phones? I've got an Incredible that I really like, but I'm having two issues that I'm not liking. Call quality and battery life. I looked at the Droid X and really didn't like the physical buttons. How many of you were disappointed by the physical buttons but have found them to be OK after using them?

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Motorola Droid :: How Well Standard Device Handle 2.2 And Flash?

May 1, 2010

Been an increasing amount of talk lately about Froyo (2.2) and how it will have flash and all that jazz. I use a non-rooted, standard ROM Droid, and I'm wondering how well it will handle all of these improvements. I assume the newer android devices with their gHz processors will do fine, but how do you think us Droid users will fair? And don't just say it can handle it. I know it will work, but how well is my question?

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Motorola Droid X : Phone Handle 3d Games / Mainly Gameloft?

Nov 1, 2010

How does the droid X handle 3d games? Mainly the gameloft games i love to play.

I had the vibrant with the powervr sgx540 and it wax nice but my wife took over that phone. I have the HTC G2 with the Andreno 205 which is a little slower than the 540 but still good but i want to know how well the droid x with the powervr sgx530 performs in realworld games. im thinking of returning the G2 and going for an X. i need some motivation!

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Motorola Droid :: Does Anyone Have Handle On Google Backup Cloud Process?

Nov 19, 2009

Specifically related to when/how often the backup is sent from phone to google servers, and whether that data is accessible from somewhere other than the DROID.I'm curious as to how to plan restores if a install a jacked up app.I've done a hard reset already, in an attempt to cure the 3g -> 1x issue, and was surprised the auto-restore re-installed my wallpaper without any type of user intervention.

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Android :: Provide Files Into Data - Data Directory Of Droid App On Install / Where To Put Them In Project?

Sep 24, 2010

Is it possible to provide files into the data/data directory of an android application on install? If so, where would I put these files in my project?

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Android :: Best Way To Store Application Data / When Data Stored / Data Format Could Change In Future Versions?

Mar 4, 2010

I'm making an Android Java app game (although this question applies to all languages really) and hope to release the first version soon. I'm nervous about how I save data in my game. My problem is that, if in a later update, I decide to store more data or store the same data in a different way, I need to be careful I don't lose or corrupt data for users that upgrade (i.e. I want users to be able to use data created by an old version in the new version, like their high scores from before).For example, say I want to save high scores in version 1.

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HTC Droid Eris :: Always Enable Mobile Data Function Causes Data Leakage?

Aug 21, 2010

Can anyone help explain what this does? I did a small search around the internet, and it came up with just about nothing.My first question is: I turned mobile data off, and yet, during the night, I was charged for data, so something leaked.Personally, I thought if this was because of this particular function. But maybe it was something else.So, I turned it off, but around the forums for other androids people seem to think that syncing doesn't work as well with this disabled.Does anybody know what might have happened? And could this function have been the thing that caused the leak.The leak, was actually for only 50 KB or so, but because I'm on Page Plus, it caused me to go under the required balance to refill of $29.95 and caused my plan to lapse. It's important for me for this not to happen again. Can anyone give any tips?

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Motorola Droid :: Handle Voice Commands Such As Play Music - Party Shuffle - Play (Artist)

Feb 5, 2010

I was just wondering if the Droid can handle voice commands such as "Play Music", "Party Shuffle", "Play (Artist)", "Play (Song)", "Play (Album)", "Open Email", "Play (Video)", etc, etc; or if there are plans for this in the future firmware? I personally could make use of this, especially "Play (Artist)". I tried to make it play a song and it called my grandma ):

Also, can anyone tell me the difference between voice search and voice dialer? It seems like when I use voice dialer, I say "Call Home" and a list of options pops up of who to call (one choice being Home) (When I wish it would have just automatically called Home), but if I use voice search it automatically does call Home.

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Motorola Droid :: Need "girly" Case Like Liz Clairborne Has Little Loop Handle And Zip Pocket In Back

Nov 10, 2009

I need a "girly" case like the Liz Clairborne ones on the VZ website that has a little loop handle and a zip pocket in the back. This would be something I would slide the phone in and out of as needed.

EDITED TO ADD: Something without a magnetic closure, since that seems to be an issue.

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Android :: What Is Best Way To Handle Images?

Jul 29, 2010

I wrote a application that load images from facebook and i show in lmageview, using this below code. InputStream object = myDataFromServer; Bitmap bmpImage= BitmapFactory. decode Stream (object);imageView. setImage Bitmap(bmpImage);it works fine for me. But the trouble is when i run my application for a longer time, it gives me error, OutofMemoryError, and becuse of this error my application crash. so want to know is there any better way to handling images

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Android :: How To Get Handle For One Pop-up Dialog

Mar 24, 2009

Here I have one question about I want to get the handle for one popup dialog, such as, there is one "Delete" alertDialog pop up when you want to delete one picture. So could anyone have the good idea about this?

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Android : How To Handle Volume?

May 24, 2009

I'm using a mediaPlayer to play sounds in my application. I want the user to be able to adjust the volume by using the hardware buttons on the device. I tried putting this in my oncreate (setVolumeControlStream (AudioManager.STREAM_MUSIC);) but it didn't seem to work. Is there something else I have to do to allow the user to be able to adjust the volume?

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