This is a bit different issue but also distributing, Can you please provide device information? WebView version? App Version?
Is there something special with this dashboard?
Are you able to see the samples dashboard?
Are you using company portal?
My device is a
Sony Xperia ZR
android version : 5.1.1
app android powerBI version : 111085
Power BI Desktop version: 2.37.4464.361 64-bit (julio de 2016)
S.O : windows 7 ultimate sp 1 64bits
Browser : Versión 52.0.2743.116 m (64-bit)
In a first time, when i opened the app, i could see charts, information, all of this, but I deleted it, so, the steps to start the app and to make charts were import I publish a chart and datasets from powerBI Desktop, and after that I created a panel, and I put the chart on my panel.