Vga:video Graphics Array, that is: Display the drawing matrix, equivalent to 640x480 pixels;
Hvga:half-size VGA, that is: half of the VGA, resolution of 480x320, like the Samsung Galaxy Ace S5830 is the use of this resolution;
Qvga:quarter VGA, that is: VGA One-fourth, the resolution of the video, generally used for small screen mobile phone like Samsung S5570 Mini is the use of this resolution;
Wqvga:wide Quarter VGA, that is: expanded QVGA, higher resolution than QVGA, lower than VGA, generally: 400x240,480x272;
Wvga:wide Video Graphics Array, that is: enlarged VGA, resolution of 800x480 pixels, like Samsung I9000 is the use of this resolution;
Fwvga:full Wide VGA, a digital product screen material, another form of VGA, higher than the WVGA resolution, alias: Full Wide VGA, its resolution is 854x480 pixels (16:9).
This article is from the "Siege Lion" blog, please be sure to keep this source http://crazyzxl.blog.51cto.com/8781147/1711048
Android Screen resolution