Application Error - The connection to the server was unsuccessful file android asset www index html

Question

App Dies On Startup  connection to the server was unsuccessful    I have an Android application that I m writing using PhoneGap BUILD  The app was working fine earlier  but now it seems I am getting this error after refining my app  some UI changes only   1  When I start the app I  usually  get    Application Error - The connection to the server was unsuccessful    file    android asset www index html    Sorry if this is duplication of any question  I have seen some similar questions here  but i couldn t find a perfect answer or solution  As in my case it was working fine until my last changes

User · Answer

Try this      1 Rename your index html to    main html         2 Create a new    index html    and put the following content into it    lt  doctype html gt   lt html gt     lt head gt      lt title gt tittle lt  title gt      lt script gt       window location    main html       lt  script gt     lt body gt     lt  body gt   lt  html gt        3 Rebuild your app  No more errors

User · Answer

If you are using visual studio  After changing config xml sometimes you need this     clean build solution    rebuild your app   It is working for me

User · Answer

Remove the external scripts in your index html  Change this    lt script src  http   code highcharts com highcharts-more js  gt  lt  script gt    to    lt script src  project folder highcharts-more js  gt  lt  script gt

User · Answer

I had the same on my project   I tried   super setIntegerProperty  loadUrlTimeoutValue   70000     but to no avail   I ensured all files were linked properly   CSS  JS files etc    validated the HTML using w3c validator   http   validator w3 org  validate by upload     and cleaned the project   Project -  Clean    It now loads and executes without the same error   Hope this helps

User · Answer

In my case I am using ionic and I simply closed the dialog went to apps in the emulator and ran my app from there instead  This worked  I got the idea of that from here since it was just a time out issue

User · Answer

Extending loading Timeout Limit will not solve the problem which caused the error  it just will avoid the system to show the message but performance will be affected whatsoever   Actual reason  You may be linking files or images to remote locations  and those resources are taking too long to load   this is likely the most common error   Definitive solution  move all the scripts  images and css needed to  some local folders and load them locally       Performance will be increased and error will be effectively solved

User · Answer

In your config xml file add this line    lt preference name  loadUrlTimeoutValue  value  700000    gt

User · Answer

fixing this on an ionic app  simply add        lt preference name  loadUrlTimeoutValue  value  700000    gt    to your config xml file immediately after this line    lt platform name  android  gt

User · Answer

For my case  the problem was due to losing of the internet connection in my WiFi

User · Answer

Here is the working solution  create a new page main html  example     lt  doctype html gt   lt html gt     lt head gt      lt title gt tittle lt  title gt      lt script gt       window location    index html       lt  script gt     lt  head gt     lt body gt     lt  body gt   lt  html gt    change the following in mainactivity java  super loadUrl  file    android asset www index html      to  super loadUrl  file    android asset www main html      Now build your application and it works on any slow connection  refernce   NOTE  This is a workaround I found in 2013

User · Answer

Check you index html file  If you use external resources  that not available when you run application then you can get this error   In my case I forgot to delete link on debugger script  weinre     lt script src  http   192 168 0 102 8080 target target-script-min js anonymous  gt  lt  script gt    So application worked on emulator because http   192 168 0 102 8080  was on my localhost and available for emulator   But when I setup application on mobile phone I had same error  because 192 168 0 102 was not available from mobile network

User · Answer

Please remove remotely linked jQuery files such as  https   ajax googleapis com ajax libs jquery 1 7 1 jquery min js  Instead  download this file and load it from your local js folder  making the URI   js jquery min js

User · Answer

I had a similar issue and based on above suggestions I first added  super setIntegerProperty  loadUrlTimeoutValue   70000    but that did not help  So I tried Project -  Clean  that worked and I can launch the app now    Avinash

User · Answer

Another reason this error might occur is  there is no index html in     YourApp www     I just followed the ionic guide  and one of the steps is     rm www index html   On iOS this is no problem as during the build the compiler takes some default HTML instead  However  when building for android  NO example index html is used   Took me sometime to find out   WHY does it work on iOS  but not on android       Easy solution  create a index html  save it under     YourApp www  rebuild    et voila

User · Answer

As you said  there are many duplicate questions on the same topic  Any how explaining your situation   The problem might be solved by adding a timeout to call your index html  ie you need to add super setIntegerProperty  loadUrlTimeoutValue   70000   in your activity java file   inside src com yourProj -- youractivity java  above this line   super loadUrl  file    android asset www index html      Explanation   This can be happened due to the following reasons  The core reason  the problem is likely due to the speed of the emulator so the network is too slow complete the communication in a timely fashion   This can be due to    Your code data image is of too much of size   I guess in your case you are using some images  as you said you made some UI modifications  may be the size of images are high  Your script may have a infinite or long loop  so that it takes too much of time to load  You will be using too much of scripts  jQuery  iscroll  etc etc   more number of plugins or scripts

User · Answer

I was facing the same issue  I noticed that in my index i had both the  on device ready  and the  document ready  function  so removing one of them fixed my problem

[android] Application Error - The connection to the server was unsuccessful. (file:///android_asset/www/index.html)

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