Using PWA service workers to save/serve web service in offline mode











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I have a vue.js/Cordova app in which I want data coming from Rest web services to be available in offline mode, the trivial solution first coming to my mind is using local storage API by indexing each w.s response and make my frontend service return data from local storage in offline mode or in case of a slow internet connection. But I think doing this directly using local storage API is very tricky, and I thought maybe using service workers and pwa concept can do the task properly.
Now, my question is: in my use case, can service workers do the job? second, are service workers available in a Cordova android/iOS app ? Finally, what are probably the compatibility issues/usage risks when running on mobile devices ?










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    I have a vue.js/Cordova app in which I want data coming from Rest web services to be available in offline mode, the trivial solution first coming to my mind is using local storage API by indexing each w.s response and make my frontend service return data from local storage in offline mode or in case of a slow internet connection. But I think doing this directly using local storage API is very tricky, and I thought maybe using service workers and pwa concept can do the task properly.
    Now, my question is: in my use case, can service workers do the job? second, are service workers available in a Cordova android/iOS app ? Finally, what are probably the compatibility issues/usage risks when running on mobile devices ?










    share|improve this question
























      up vote
      1
      down vote

      favorite









      up vote
      1
      down vote

      favorite











      I have a vue.js/Cordova app in which I want data coming from Rest web services to be available in offline mode, the trivial solution first coming to my mind is using local storage API by indexing each w.s response and make my frontend service return data from local storage in offline mode or in case of a slow internet connection. But I think doing this directly using local storage API is very tricky, and I thought maybe using service workers and pwa concept can do the task properly.
      Now, my question is: in my use case, can service workers do the job? second, are service workers available in a Cordova android/iOS app ? Finally, what are probably the compatibility issues/usage risks when running on mobile devices ?










      share|improve this question













      I have a vue.js/Cordova app in which I want data coming from Rest web services to be available in offline mode, the trivial solution first coming to my mind is using local storage API by indexing each w.s response and make my frontend service return data from local storage in offline mode or in case of a slow internet connection. But I think doing this directly using local storage API is very tricky, and I thought maybe using service workers and pwa concept can do the task properly.
      Now, my question is: in my use case, can service workers do the job? second, are service workers available in a Cordova android/iOS app ? Finally, what are probably the compatibility issues/usage risks when running on mobile devices ?







      javascript cordova vue.js web-worker progressive-web-apps






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      asked Nov 10 at 22:08









      jemlifathi

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          Unfortunately, if you are using cordova to serve up files from either file urls or http urls, as you probably will do unless serving from a website, it will not work on android, due to the fact that service workers only work in secure contexts. see https://www.w3.org/TR/service-workers-1/#secure-context.
          However, on iOS there is a plugin that allows you to use service workers, even on older versions of iOS that have no native support.



          even without the lack of support in android, service workers wouldn't be present in enough platforms to be used as a core part of your app.



          In your case, as you are already using vue, i recomend using Vuex, Vue’s Application Data Store.
          You also get some other benefits.






          share|improve this answer





















          • Thank you for the response, but is there a plug-in or an API to properly synchronize vuex store content with localstorage ?
            – jemlifathi
            Nov 11 at 7:59










          • Yes, there is a plugin: github.com/championswimmer/vuex-persist
            – DerpMarine
            Nov 11 at 8:38











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          1 Answer
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          active

          oldest

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          1 Answer
          1






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes








          up vote
          2
          down vote



          accepted










          Unfortunately, if you are using cordova to serve up files from either file urls or http urls, as you probably will do unless serving from a website, it will not work on android, due to the fact that service workers only work in secure contexts. see https://www.w3.org/TR/service-workers-1/#secure-context.
          However, on iOS there is a plugin that allows you to use service workers, even on older versions of iOS that have no native support.



          even without the lack of support in android, service workers wouldn't be present in enough platforms to be used as a core part of your app.



          In your case, as you are already using vue, i recomend using Vuex, Vue’s Application Data Store.
          You also get some other benefits.






          share|improve this answer





















          • Thank you for the response, but is there a plug-in or an API to properly synchronize vuex store content with localstorage ?
            – jemlifathi
            Nov 11 at 7:59










          • Yes, there is a plugin: github.com/championswimmer/vuex-persist
            – DerpMarine
            Nov 11 at 8:38















          up vote
          2
          down vote



          accepted










          Unfortunately, if you are using cordova to serve up files from either file urls or http urls, as you probably will do unless serving from a website, it will not work on android, due to the fact that service workers only work in secure contexts. see https://www.w3.org/TR/service-workers-1/#secure-context.
          However, on iOS there is a plugin that allows you to use service workers, even on older versions of iOS that have no native support.



          even without the lack of support in android, service workers wouldn't be present in enough platforms to be used as a core part of your app.



          In your case, as you are already using vue, i recomend using Vuex, Vue’s Application Data Store.
          You also get some other benefits.






          share|improve this answer





















          • Thank you for the response, but is there a plug-in or an API to properly synchronize vuex store content with localstorage ?
            – jemlifathi
            Nov 11 at 7:59










          • Yes, there is a plugin: github.com/championswimmer/vuex-persist
            – DerpMarine
            Nov 11 at 8:38













          up vote
          2
          down vote



          accepted







          up vote
          2
          down vote



          accepted






          Unfortunately, if you are using cordova to serve up files from either file urls or http urls, as you probably will do unless serving from a website, it will not work on android, due to the fact that service workers only work in secure contexts. see https://www.w3.org/TR/service-workers-1/#secure-context.
          However, on iOS there is a plugin that allows you to use service workers, even on older versions of iOS that have no native support.



          even without the lack of support in android, service workers wouldn't be present in enough platforms to be used as a core part of your app.



          In your case, as you are already using vue, i recomend using Vuex, Vue’s Application Data Store.
          You also get some other benefits.






          share|improve this answer












          Unfortunately, if you are using cordova to serve up files from either file urls or http urls, as you probably will do unless serving from a website, it will not work on android, due to the fact that service workers only work in secure contexts. see https://www.w3.org/TR/service-workers-1/#secure-context.
          However, on iOS there is a plugin that allows you to use service workers, even on older versions of iOS that have no native support.



          even without the lack of support in android, service workers wouldn't be present in enough platforms to be used as a core part of your app.



          In your case, as you are already using vue, i recomend using Vuex, Vue’s Application Data Store.
          You also get some other benefits.







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered Nov 10 at 22:40









          DerpMarine

          12312




          12312












          • Thank you for the response, but is there a plug-in or an API to properly synchronize vuex store content with localstorage ?
            – jemlifathi
            Nov 11 at 7:59










          • Yes, there is a plugin: github.com/championswimmer/vuex-persist
            – DerpMarine
            Nov 11 at 8:38


















          • Thank you for the response, but is there a plug-in or an API to properly synchronize vuex store content with localstorage ?
            – jemlifathi
            Nov 11 at 7:59










          • Yes, there is a plugin: github.com/championswimmer/vuex-persist
            – DerpMarine
            Nov 11 at 8:38
















          Thank you for the response, but is there a plug-in or an API to properly synchronize vuex store content with localstorage ?
          – jemlifathi
          Nov 11 at 7:59




          Thank you for the response, but is there a plug-in or an API to properly synchronize vuex store content with localstorage ?
          – jemlifathi
          Nov 11 at 7:59












          Yes, there is a plugin: github.com/championswimmer/vuex-persist
          – DerpMarine
          Nov 11 at 8:38




          Yes, there is a plugin: github.com/championswimmer/vuex-persist
          – DerpMarine
          Nov 11 at 8:38


















           

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