Android various screen resolutions:
VGA: video Graphics Array, that is: Display the drawing matrix, equivalent to 640x480 pixels;
HVGA: half-size VGA, that is:halfVGA , resolution of 480x320, like Samsung's furious Ace S5830 is the use of this resolution;
qvga:  QUARTER VGA VGA One-fourth, resolution 320x240 Span style= "font-family: the song Body;" >, generally used for small screen mobile phones like Samsung mini s5570
wqvga   WIDE QUARTER VGA QVGA QVGA higher, than VGA Low, generally: 400x240 480x272
WVGA: Wide Video Graphics Array, i.e.: enlarged VGAwith a resolution of 800x480 pixels, Like Samsung i9000 is the use of this resolution;
FWVGA: Full Wide VGA , one of the digital product screen material, another form ofVGA , than WVGA c15> High resolution,
Aliases: Full Wide VGA, , and its resolution is 854x480 Pixels (16:9) .
Screen resolution widescreen resolution
qvga320x240; wqvga400x240; vga640x480; wvga800x480; svga800x600; wsvga1024x600; xga1024x768; wxga1280x768/1280x800/1280*960; sxga1280x1024; wxga+1440x900; sxga+1400x1050; wsxga+1680x1050; uxga1600x1200; wuxga1920x1200; qxga2048x1536; wqxga2560x1536
Android Display Unit Description:
Show Unit Unit Description
px pixels pixels per px for one pixel point of the screen
Dip DIP=DP device independent pixels
DP device independent pixels based on the abstract unit of screen density
SP scale pixels proportional pixels primarily handle font sizes and can be scaled based on the user's font size
in inches inch
MM millimeters mm
PT points 1/72 Inch
where PX and DP are conversion relationships, 160 pixels per inch of the screen, 1px = 1dp, screen density changes, dip and PX conversion will also change
Although the screen resolution is different, when using DP as the display unit, the program can adapt the UI control to display on the screen, the same effect
Display resolution and unit of Android development