MainActivity: show user-friendly error messages
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@ -205,6 +205,7 @@ class MainActivity : AppCompatActivity(), ContentAdapter.ContentAdapterListen {
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when (response.code.getCategory()) {
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Response.Code.Category.SUCCESS -> handleRequestSuccess(response, uri)
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Response.Code.Category.REDIRECT -> handleRedirect(response, redirects = redirects + 1)
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Response.Code.Category.SERVER_ERROR -> handleError(response)
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else -> signalError("Can't handle code ${response.code}.")
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}
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}
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@ -245,6 +246,22 @@ class MainActivity : AppCompatActivity(), ContentAdapter.ContentAdapterListen {
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private fun handleRedirect(response: Response, redirects: Int) {
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event.postValue(RedirectEvent(response.meta, redirects))
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}
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private fun handleError(response: Response) {
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event.postValue(FailureEvent(when (response.code) {
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Response.Code.TEMPORARY_FAILURE -> "40: the server encountered a temporary failure."
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Response.Code.SERVER_UNAVAILABLE -> "41: the server is currently unavailable."
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Response.Code.CGI_ERROR -> "42: a CGI script encountered an error."
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Response.Code.PROXY_ERROR -> "43: the server failed to proxy the request."
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Response.Code.SLOW_DOWN -> "44: slow down!"
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Response.Code.PERMANENT_FAILURE -> "50: this request failed and similar requests will likely fail as well."
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Response.Code.NOT_FOUND -> "51: this page can't be found."
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Response.Code.GONE -> "52: this page is gone."
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Response.Code.PROXY_REQUEST_REFUSED -> "53: the server refused to proxy the request."
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Response.Code.BAD_REQUEST -> "59: bad request."
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else -> "${response.code}: unknown error code."
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}))
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}
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}
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companion object {
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