Should Android app check if Wear is connected before sending data?












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I've got an app that utilizes a Wearable and am using the Listener Service, sending messages and synchronizing DataItems in between. This app does not have to use a Wearable. What I want to know is if my app should always check if a Wearable is connected before deciding if I should send data/messages?. If yes, what is the best way to check if Wearable is connected. Thank you very much!










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  • I think it is a required step to check if there is any connected device before sending dataItems. There is a sample - Data Layer Sample, this shows how to work with a WearableListenerService, to produce and consume DataEvents and effectively work with the DataLayer
    – Mr.Rebot
    Nov 13 at 21:21










  • One question to ask yourself is: what is the desired behavior if the user connects a wearable after your phone app has run? Would you want the data from the phone app to appear on the watch? If so, then you do not want to check for connectivity - write the DataItems unconditionally so that they will available if/when your watch app is run, now or later. OTOH, if your data sync only makes sense if both devices run your app concurrently, then you probably do want to check for connectivity.
    – String
    Nov 18 at 2:47
















1














I've got an app that utilizes a Wearable and am using the Listener Service, sending messages and synchronizing DataItems in between. This app does not have to use a Wearable. What I want to know is if my app should always check if a Wearable is connected before deciding if I should send data/messages?. If yes, what is the best way to check if Wearable is connected. Thank you very much!










share|improve this question






















  • I think it is a required step to check if there is any connected device before sending dataItems. There is a sample - Data Layer Sample, this shows how to work with a WearableListenerService, to produce and consume DataEvents and effectively work with the DataLayer
    – Mr.Rebot
    Nov 13 at 21:21










  • One question to ask yourself is: what is the desired behavior if the user connects a wearable after your phone app has run? Would you want the data from the phone app to appear on the watch? If so, then you do not want to check for connectivity - write the DataItems unconditionally so that they will available if/when your watch app is run, now or later. OTOH, if your data sync only makes sense if both devices run your app concurrently, then you probably do want to check for connectivity.
    – String
    Nov 18 at 2:47














1












1








1







I've got an app that utilizes a Wearable and am using the Listener Service, sending messages and synchronizing DataItems in between. This app does not have to use a Wearable. What I want to know is if my app should always check if a Wearable is connected before deciding if I should send data/messages?. If yes, what is the best way to check if Wearable is connected. Thank you very much!










share|improve this question













I've got an app that utilizes a Wearable and am using the Listener Service, sending messages and synchronizing DataItems in between. This app does not have to use a Wearable. What I want to know is if my app should always check if a Wearable is connected before deciding if I should send data/messages?. If yes, what is the best way to check if Wearable is connected. Thank you very much!







android wear-os android-wear-data-api






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asked Nov 12 at 18:48









David Nuno

82




82












  • I think it is a required step to check if there is any connected device before sending dataItems. There is a sample - Data Layer Sample, this shows how to work with a WearableListenerService, to produce and consume DataEvents and effectively work with the DataLayer
    – Mr.Rebot
    Nov 13 at 21:21










  • One question to ask yourself is: what is the desired behavior if the user connects a wearable after your phone app has run? Would you want the data from the phone app to appear on the watch? If so, then you do not want to check for connectivity - write the DataItems unconditionally so that they will available if/when your watch app is run, now or later. OTOH, if your data sync only makes sense if both devices run your app concurrently, then you probably do want to check for connectivity.
    – String
    Nov 18 at 2:47


















  • I think it is a required step to check if there is any connected device before sending dataItems. There is a sample - Data Layer Sample, this shows how to work with a WearableListenerService, to produce and consume DataEvents and effectively work with the DataLayer
    – Mr.Rebot
    Nov 13 at 21:21










  • One question to ask yourself is: what is the desired behavior if the user connects a wearable after your phone app has run? Would you want the data from the phone app to appear on the watch? If so, then you do not want to check for connectivity - write the DataItems unconditionally so that they will available if/when your watch app is run, now or later. OTOH, if your data sync only makes sense if both devices run your app concurrently, then you probably do want to check for connectivity.
    – String
    Nov 18 at 2:47
















I think it is a required step to check if there is any connected device before sending dataItems. There is a sample - Data Layer Sample, this shows how to work with a WearableListenerService, to produce and consume DataEvents and effectively work with the DataLayer
– Mr.Rebot
Nov 13 at 21:21




I think it is a required step to check if there is any connected device before sending dataItems. There is a sample - Data Layer Sample, this shows how to work with a WearableListenerService, to produce and consume DataEvents and effectively work with the DataLayer
– Mr.Rebot
Nov 13 at 21:21












One question to ask yourself is: what is the desired behavior if the user connects a wearable after your phone app has run? Would you want the data from the phone app to appear on the watch? If so, then you do not want to check for connectivity - write the DataItems unconditionally so that they will available if/when your watch app is run, now or later. OTOH, if your data sync only makes sense if both devices run your app concurrently, then you probably do want to check for connectivity.
– String
Nov 18 at 2:47




One question to ask yourself is: what is the desired behavior if the user connects a wearable after your phone app has run? Would you want the data from the phone app to appear on the watch? If so, then you do not want to check for connectivity - write the DataItems unconditionally so that they will available if/when your watch app is run, now or later. OTOH, if your data sync only makes sense if both devices run your app concurrently, then you probably do want to check for connectivity.
– String
Nov 18 at 2:47

















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