Unable to get past the login screen

[fcpk-fr]

Hello,
Tried connecting to Server: https://play.dhis2.org/demo
Username: android
Password: Android123
It does not go past the login screen.
No error though, I get the below trace:
I/WorkService: onCreate()
Service started
I/WorkService: loginUser
I/GET: https://play.dhis2.org/demo/api/me
I/302:
<title>302 Found</title>

302 Found

---

nginx/1.17.10


I/WorkService: onDestroy()

I deployed a DHIS2 instance on my localhost, there i get an error...
I/WorkService: onCreate()
Service started
I/WorkService: loginUser
I/GET: http://localhost:9999/dhis2/api/me
W/System.err: java.io.IOException: Cleartext HTTP traffic to localhost not permitted
at com.android.okhttp.HttpHandler$CleartextURLFilter.checkURLPermitted(HttpHandler.java:127)
at com.android.okhttp.internal.huc.HttpURLConnectionImpl.execute(HttpURLConnectionImpl.java:462)
at com.android.okhttp.internal.huc.HttpURLConnectionImpl.connect(HttpURLConnectionImpl.java:131)
at org.dhis2.mobile.network.HTTPClient.get(HTTPClient.java:69)
W/System.err: at org.dhis2.mobile.processors.LoginProcessor.tryToLogIn(LoginProcessor.java:115)
at org.dhis2.mobile.processors.LoginProcessor.loginUser(LoginProcessor.java:63)
at org.dhis2.mobile.WorkService.runMethod(WorkService.java:147)
at org.dhis2.mobile.WorkService.access$000(WorkService.java:58)
at org.dhis2.mobile.WorkService$1.run(WorkService.java:96)
W/System.err: at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
at java.lang.Thread.run(Thread.java:923)
W/System.err: java.io.IOException: Cleartext HTTP traffic to localhost not permitted
at com.android.okhttp.HttpHandler$CleartextURLFilter.checkURLPermitted(HttpHandler.java:127)
at com.android.okhttp.internal.huc.HttpURLConnectionImpl.execute(HttpURLConnectionImpl.java:462)
at com.android.okhttp.internal.huc.HttpURLConnectionImpl.getResponse(HttpURLConnectionImpl.java:411)
at com.android.okhttp.internal.huc.HttpURLConnectionImpl.getResponseCode(HttpURLConnectionImpl.java:542)
at org.dhis2.mobile.network.HTTPClient.get(HTTPClient.java:83)
at org.dhis2.mobile.processors.LoginProcessor.tryToLogIn(LoginProcessor.java:115)
at org.dhis2.mobile.processors.LoginProcessor.loginUser(LoginProcessor.java:63)
at org.dhis2.mobile.WorkService.runMethod(WorkService.java:147)
at org.dhis2.mobile.WorkService.access$000(WorkService.java:58)
at org.dhis2.mobile.WorkService$1.run(WorkService.java:96)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
at java.lang.Thread.run(Thread.java:923)
I/WorkService: onDestroy()

Any help is appreciated...