Android :: Implementing Push Technology Into Apps
Oct 16, 2009
What are the different ways to implement push technology into your Android app? The client Android app is supposed to receive content (XML Data) pushed by the server. I've looked around and found out it was possible to achieve it with usage off the SOAP protocol. But are there some better ways top implement push? The main concern in this project is the phones battery life, all off it has to happpen over WiFi, pushed content has to be viewable on the device immediately.
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Dec 12, 2009
I've been following this phone and can't wait to get it. But, this feature is OUT OF THIS WORLD! They have a function called Layers and in this example the phone uses real time data and the phone's camera to show REAL TIME data on your screen through the camera using GPS!
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Mar 9, 2009
Is there any TCK (Technology Compatibility Kit) on Android such like Sun TCK? How can I assure my android platform after changing it as own style. Can some one help me clarify this point?
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Aug 6, 2010
As of now, you have to go to settings->applications->manage applications and open up every app individually just to even SEE if its enabled as an option.
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Nov 12, 2009
I finaly have app to as working on the custom rom but certain apps were not moved after I flashed does anyone know the root commands to push apps from the system to the sd ?
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Jul 6, 2010
Who will take the battery life into consideration when buying a phone? In my opinion, most people who look out for phones do not consider battery life, most would consider stuff like technology, physical looks etc., but not battery life. Even if there are people who consider battery life, those are just the minority. Hence there are lots of controversy regarding the battery life. Most might agree that the battery is just right, however it is no surprise if people complain about battery life running out too quickly. Is technology improving but not batteries? It seems like phones are getting better everyday, but the battery life has like been stagnant.
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Apr 20, 2010
does anybody know if maybe Desire uses the exact same screen technology as incredible? apparently, incredible has some new shit, superior. Or is it exactly like nexus? I have read in a couple of review that the screen on the desire feels more responsive and solid than that in the N1. Anyone?
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Nov 1, 2009
Does Android 2.0/Droid support push notifications for apps?
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Jan 18, 2012
Not sure what's going on... HTC EVO 3D. Can grab apps from the market on the phone just fine, but when I go to the market on the PC it says it will install, but it just never happens.
Also have an AV app on the phone that I can control from the PC, but when I change settings on the PC it never happens on the phone.
It's like the phone has a firewall, blocking all things coming from outside.
Tried both of these on another family phone and they work fine, so I don't see how it could be the PC or the cell phone company.
The phone is not rooted and it is not sleeping when I try to push the app. It is only a few days old so has very little installed on it.
I tried uninstalling and reinstalling the AV app. I power cycled the phone.
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Dec 2, 2012
Air push can't detect any apps that are pushing advertisements to my phone but I'm continually receiving these annoying notifications. I tried using other apps but none of them seem to detect any malicious software on my phone .
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Jun 18, 2010
Has anyone been able to compare the Galaxy S and the Evo firsthand? I canceled my Evo order to see what the S Pro will be like. On paper I feel that except for the Evo's slightly bigger screen the Galaxy S has better features including better screen technology, but as we've heard with some peoples' Evos there can be hidden issues. Any thoughts? I guess it's not really possible to do a side by side comparison yet unless someone has one of the handsets and travels to a country where they're selling the other one, or has had a chance to use a prototype.
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Sep 4, 2012
I purchased a Trio Stealth Pro 7in Tablet with these specs
Dimensions- W7.5” x H4.8” x D0.4”
Operating System- Android™ 4.0 (Ice Cream Sandwich)
CPU – A10 Cortex A8 1.2 GHz
GPU – Dual Mali-400 2D/3D core
RAM – 512MB DDR3
Flash storage – 4GB Internal
Display – 7 inch TFT LCD
Native Resolution – 800X480 pix
Expansion – Micro SD card slot (up to 32GB), Mini HDMI Socket
Wireless LAN – Realtek 8188
Video Output – HDMI Ver 1.4 output
Native video support – AVI（H.264), DIVX, XVID, RM, RMVB, MKV, WMV (non encrypted), MP4（H.264, MPEG, DIVX, XVID), MPEG, MPG, FLV. HD 1080P max
Native Audio Support – MP3,WMA (non encrypted),MP2,OGG,M4A,MA4,FLAC,3GP,WAV
Battery – Li-Ion rechargeable, up to 6 hours playtime
In an attempt to root I have successfully installed and run cm10_a10_20120902.zip and gapps-ics-20120429-signed.zip. Each compatibility file I run errors out with the message 'E:signature verification failed'. Any comp file that might work with the cm and gapps files mentioned above?
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Feb 23, 2010
I am trying to receive my lotus notes email to my droid eris using Good Technology. Currently I can send emails but cannot receive them.
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Aug 10, 2009
I'm looking at 3 different apps to develop for the Android, but I'm new to the platform (come over from Blackberry - yuck!).
Anyhow - I need to know if there is some way to push data to the phone from a server. I'd prefer to avoid using SMS to push (user charges), or constantly polling the server (lets see, every 5 seconds = 12 times a minute, 720 times an hour, over 17000 a day)
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Sep 23, 2009
How push works, and why my gmail on my hero is not a true push email even if it takes less than 5seconds for an email to arrive after being sent.
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Jan 7, 2010
It looks like Android won't natively support in-app purchases for a while, and when it does there might be a huge user base with devices that don't support them.What's the best way to implement iPhone-like (additional content or services) in-app purchases in Android using the Android Market if possible?
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Jun 24, 2010
I am working on creating an Action Bar like the one from the new Android UI Patterns and I am running into a bit of trouble. I have a ViewSwitcher with two layouts in it. When the user taps the search button I animate between the two layouts. The problem is that the layouts are different sizes and I can't figure out how to make them take up the same amount of space. Here's what I mean. p.s. forgive the bad art, they are just place holders ;)
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Nov 9, 2010
I am trying to do something similar to that of the android lock screen pattern. I have a class that extends a view that I create multiple instances of. These appear on the screen all at once.
I need to be able to click on them individually and have each one turn green individually, however only one on touch listener is listening at once and it belongs to the last dot which appeared, so if I click anywhere on the screen the last appeared dot turns green no matter where I click.
Here is the code for my dot class:
CODE:......
In the code I called newdotdraw multiple times.
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Aug 13, 2009
With reference to the current work at : http://android.git.kernel.org/?p=platform/frameworks/base.git;a=tree;...
Can you tell me how can I implement L2CAP Socket?
I need to do it ASAP for a university project. Hoping for optimistic reciprocation.
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May 14, 2010
Kindly share information regarding how to implement predictions for input methods... I have a new keyboard layout for which I need to provide prediction/sugeestion functionality....
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Nov 16, 2010
I have 2 apps which should both contain some similar activities.... Now I decided to write a new app, some kind of "framework", which contains these activities, to avoid to write the code twice. How can I use these activities in my other 2 apps ? Whats the common approach for doing this? Adding the "Framework app" to the build path of the two other apps won't work.....
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Jul 26, 2010
I am adding gesture recognition to my app. I have added the view as described in the Android Developers Gestures article but when it comes to adding:
CODEE:..........
where do I put this in my code, do I have to create a new class for it, or can I have it in an inner class, or does it not need a class at all?! I have a set up similar to Lunar Lander which comprises of two files, one of which is a thread that handles pretty much all the physics and drawing of the game. The other file begins the thread and saveInstanceState method. Furthermore, what type is mLibrary?! I cannot find out anywhere! I imagine I will put the OnGesturePerformed method in my thread as this is where I handle all keyUp and Down events.
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Jul 12, 2010
I am required to work on an application which is be deployed on devices running Android 1.5. The application is supposed to maintain a connection with a server and regularly poll it for new data. The server will notify the client of new data following which the client will connect to the server and download the data.I know that ideally a push based approach will be more conducive here given that we are to run this on a mobile platform. Also, from Android2.2 there is going to be support for C2DM(Cloud to Cloud device Messaging) but as already mentioned this application is for devices running Android1.5.Implementation: I was thinking of using AlarmManager which would Broadcast Intents periodically(poll interval), The Broadcast receiver will then try to connect to the remote server and make data changed check. If the server has an update, the thread will connect to the remote server and download the data from the server.
Problem and Issues: 1. Is this the right way to approach the problem? 2. Is AlarmManager reliable? Would it remember Alarms after a device boot? (I think it does) 3. How do I ensure that battery usage is kept at minimum.(I have heard something about using "keep-alive" to sustain the session for longer time..what is this legend?) 4. What are other things that I need to consider? I am sure I must be missing lots of things here.
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Jun 27, 2010
Does anyone have any good references for designing and implementing an idea I have for an android application. My idea is for an application that stores information and reviews about a specific location and presents this information to user.I have gone through all the tutorials and have been reading up on anything and everything about android. Now I am ready to challenge myself with my first app.
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Mar 19, 2010
I am looking for the implementation of the IAlarmManager.I am interested in the scheduling done by the AlarmManager.setInexactRepeating method and so I started looking for the implementation but I haven't been able to find anything.Internally to AlarmManager, I can see that the actual work is being done by an android.app.IAlarmManager interface.After googling around for a bit there seems to reference to an implementing class called android.app.IAlarmManager.Stub but that is as far I get.I am working with Android 1.6.
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Jun 3, 2010
I was trying to get hold of 2D graphics in Android.As a example i want to implement a custom drawable and show it in my Activity But when i run the app i see no rectangle on the activity, can anyone help me out? Where am i going wrong?
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Aug 4, 2010
I need to know how to create simple android application by sqlite database, how can i view the sqlite database and to view the tables has like other mysql server,Let me help to create simple application with database.where i can find the database.
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Nov 14, 2010
I have some design questions that I want to discuss with people interested in helping me. I am planning to develop a simple VoIP program that allows two Android phones in the same network to use VoIP. My goal is simply to capture sound, send the data with UDP, receive UDP data and play sound.My current design is to have 2 threads: one captures the microphone and sends the data; the other one receives bytes and plays them.I was starting to implement that using MediaPlayer and MediaRecorder. The issue that came up is how do I record and play sound? By that, I would like to know if I need to use a file, although that seems slow, or if there is anyway to have the recording automatically sent to my UDP socket please?Basically, I wonder if I have to record to a file, then to be able to play it, or if I could just pass a socket (for recording and playing).
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Sep 17, 2009
I'm writing an application where real-time knowledge of the GPS state is critical to convey to the user. I request GPS updates at 1000 ms intervals -- when I haven't received another update 1500 ms past the most recent update, I want to display a yellow icon, and 5000 ms after the most recent update I want to display a red icon. Currently, I'm doing it like this: private CountDownTimer gpstimeout; public void onLocationChanged(Location location) { if (gpstimeout != null) gpstimeout.cancel(); gpstimeout = new CountDownTimer(5000, 1500) { public void onTick(long m) { setYellow(); } public void onFinish() { setRed(); } }; gpstimeout.start(); }
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Mar 30, 2010
I am writing an application which one of the activity has a button and use this button to switch to another activity when clicking that.
The main activity implements the onCreate and OnClickListener as follows:
CODE:...........
When I try to run this program on my emulator, after hitting the button, the program stopped unexpectedly. I follow the instructions of implementing OnClickListener firmly so I don't know what's the problem in my implementation.
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