The PhoneGap Viewport size is too small on Android?

I spent quite some time today trying to figure out why, when I load an external HTML file into my PhoneGap (Apache Cordova) app, the viewport only filled part of the screen Notice the big space at the bottom and the side border. I couldn't figure it out, so I started searching on Google: Googled solution 1 - Set the viewport meta tag Lots of the solutions I found involved setting the meta tag for the viewport, eg <meta name="viewport" content="width=device-width, height=device-height, initial-scale=1.0, maximum-scale=1.0/> However, this seemed to have absolutely no effect whatsoever. I tried many variations of this Googled solution 2 - Set the page to use all the space Other solutions involved setting CSS so that the page filled the screen, eg html, body { width: 100%; height: 100%; padding: 0; margin: 0; } This also had absolutely no effect. I was getting confused by now Googled solution 3 - Set Android propert...