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Hello. I am in the design process in creating a video chat application. I am trying to come up with the best route for the video transmission..being new to the mobile world I am wondering if there needs to be a 'middle-man' that is in charge of routing the data?
For instance, should I have each client hit a webservice that would be in charge of sending the data to the other client? Should I just have the clients connect directly to each other (if possible) and by pass a webservice?
Can anyone answer how apps like Periscope handles the transmission of its video?
Thank you.
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Any thoughts on this? Was the question asked correctly or did I miss something?
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i have the same problem like you ;/
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Doing some more research it appears that we will need a 'Signaling Service' which will be responsible for transmissions of data. PubNub is one that I have found. So far I cannot find another way of doing it, in my app I was hoping to be able to have multi-user video chat..which I could but would have to pay for something like PubNub.
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Thanks Lowongan for the link. I was looking more for development process when creating a video app.
I'm more of a 'roll your own' type of guy 
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I have to work on an application in which we are getting list of orders(with all details and display_time) and we have to show them in list view, but the condition is we have to show particular order on their exact display_time.
For example below are some orders with display time:
order_id: 101 | display_time (hh:mm:ss): 09:10:00
order_id: 102 | display_time (hh:mm:ss): 09:30:00
Then the requirement is:
> We have to show the orders on list on exact their display time.
> All order should come instantly as they entered in database.
So please suggest how can we do the above task.
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Member 12059699 wrote: We have to show the orders on list on exact their display time.
Do you mean you have to show the list in time order, or something else?
Member 12059699 wrote: All order should come instantly as they entered in database
How do they get entered into the database? From the Android app, or some other external process, and how is the app connected to the database?
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Quote: We have to show the orders on list on exact their display time.
It means that if I have an order that has the display_time="09:10:00", then It should be visible on list on exact 09:10:00 of device time, neither before not after of the display_time.
Quote: All order should come instantly as they entered in database
All order come form database, and order can be placed by website or by android application using APIs. I am thinking to use the Google Cloud Messaging to get instant orders, but the vison is not clear to me.
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Member 12059699 wrote: then It should be visible on list on exact 09:10:00 of device time, neither before not after of the display_time.
Makes no sense whatsoever.
Member 12059699 wrote: but the vison is not clear to me.
Nor me, you need to go back and think about how you will get the information from the database to the Android device. And what happens if the device is not running the app at the time an order comes in?
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Member 12059699 wrote: neither before not after of the display_time.
At 9:09:59.99999 the order is not visible.
At 9:10:00.00000 the order is visible.
At 9:10:00.00001 the order is not visible.
Since there's no way the screen is going to refresh in that fraction of a second, let alone give the user time to see the order, then you might as well leave the list empty at all times.
If you want the order to be visible to the user for enough time for them to notice it, then your requirement is wrong.
"These people looked deep within my soul and assigned me a number based on the order in which I joined."
- Homer
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I'm doing my B.tech project in NFC device.
IN NFC device they using Public key for communication so it is vulnerable . so we are plan to change the public key encryption to private key . but we don't know what the procedure do do that and what code to use and how to do it ??
any one pls help us
what to do ?
how to do ?
or give some idea..
thanks for person who going to help us.
my email - [ nethesh93@gmail.com]
fb id-[ fb.nethesh nano ]
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i want to develop a multi messenger android app app to send a notification to a mobile receive using the phone number of holder.
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Well go ahead; you have our permission.
Feel free to come back if you need help with the code you have written.
(If you were expecting someone else to write the code for you, then you've come to the wrong place.)
"These people looked deep within my soul and assigned me a number based on the order in which I joined."
- Homer
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I work on an android application in Xamarin. For buttons background create e a xml. its so simple. the code is:
="1.0"="utf-8"
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item>
<shape android:shape="oval">
<gradient android:startColor="#ff000000"
android:centerColor="#ffffffff"
android:endColor="#00ffffff"
android:type="radial"
android:gradientRadius="100"
/>
</shape>
</item>
</selector>
when i user linear or sweep in android:type code everything is fine, a good transparent gradient appeare in my device( My device is HTC One M8). but when i user radial a bad solid color appear. no transparency. i want use this technique for the shadow under buttons. but if check the screenshot a very bad harshy solid color appear under the buttons.
is it a bug in the code or in my device or in xamarin deploy setting? i confused whole a day.
Screenshot
thanks for any help
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So what is it SUPPOSED to look like?
"One man's wage rise is another man's price increase." - Harold Wilson
"Fireproof doesn't mean the fire will never come. It means when the fire comes that you will be able to withstand it." - Michael Simmons
"You can easily judge the character of a man by how he treats those who can do nothing for him." - James D. Miles
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If check the screenshot (third screenshot from left) Big OFF Button, must have a transparent radial gradient, but it has a black solid color.
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nadersadigh wrote: ...transparent radial gradient...
Which looks like what exactly?
"One man's wage rise is another man's price increase." - Harold Wilson
"Fireproof doesn't mean the fire will never come. It means when the fire comes that you will be able to withstand it." - Michael Simmons
"You can easily judge the character of a man by how he treats those who can do nothing for him." - James D. Miles
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I want to scan the AR Marker...can u send me code..
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On its way!! 
"One man's wage rise is another man's price increase." - Harold Wilson
"Fireproof doesn't mean the fire will never come. It means when the fire comes that you will be able to withstand it." - Michael Simmons
"You can easily judge the character of a man by how he treats those who can do nothing for him." - James D. Miles
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Hi all, I've imported a project from https://github.com/nikclayton/android-squeezer[^]
but when I try to build it in Android Studio I get androidmanifest.xml file not found any ideas ? as the file is definitely there
We can’t stop here, this is bat country - Hunter S Thompson RIP
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pkfox wrote: as the file is definitely there
But where is "there". If the project was originally built with eclipse it will be in the project's root directory. But Android Studio keeps it in the main activity's source directory (app/src/main).
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Sorry Richard the project has a lot of nested components and the manifest file is in the src/main folder of one of the nested folders ( probably best if you had a look at the project as I'm not too well versed with the structure of Android projects ) thanks - I'm trying to use the project as a learning aid for Android
We can’t stop here, this is bat country - Hunter S Thompson RIP
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I've written a few apps Richard using Android Studio so am not a complete novice but this app interests me as a learning example because I actually use it and it's very good
We can’t stop here, this is bat country - Hunter S Thompson RIP
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