Please help me ionic connection unsuccessful

[frankenly]

I create project (“ionic start aaaa tabs”) and
I test simulator iOS and android it work.
I test device iOS it work but I test device android it not work. I test "ionic cordova run android --device " it open application and load screen intro and black screen 3-5 sec. and white screen long time and show message from photo. I don’t edit code after create ionic.

I fix basic in config.xml, I add inside platform android not work

android device Samsung Galaxy S3 4.3

[Sujan12]

What device are you testing on?

[lucasbasquerotto]

@frankenly I think that issue is related to some timeout (because the app takes too long to start). Sometimes I come across that error too.

You can try to change your timeout preference in config.xml:

<preference name="loadUrlTimeoutValue" value="700000" />

See more about it in the link below (it’s ionic-v1, but the problem should be the same):

Application error. The connection to the server was unsuccessful

Yet again this problem, I know. Launching the app on android gives an “application error. The connection to the server was unsuccessful”. Many topics on this subjects, all pointing out to potential js or css using external link. However, I have absolutely no file using external link in my code, and mostly not in my index.html The strangest part is that this problem suddenly happened to all my android users last night for no reason at all. The same build that has been working for weeks suddd…