I have an image that I want to place on the background on my activity. For the G1 I would use a background of 320x480 but with the nexus 1 the resolution is almost double that. Should I just place the large image and make the smaller phones size down? I am trying to keep the size of my package down as much as possible.
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If it's a simple colour or a gradient, you can share the same drawable for all screen resolutions.
If it's a more complex graphic, then you should create separate images for different screen resolutions (or densities) by placing them in the appropriate directories (e.g. "drawable-nodpi", "drawable-hdpi" etc.).
Christopher Orr
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OK, thanks...however, wouldn't having 2 images instead of 1 bulk up my file size? Why not just use the the large one and let android resize? CPU is not an issue at the moment. – jax Feb 02 '10 at 11:49
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Well you can try it for yourself on the emulator; the graphic may well look nasty when scaled up or down. But surely your background graphic isn't that large anyway -- I wouldn't say there's any reason to worry about APK size unless it's heading towards multiple megabytes... – Christopher Orr Feb 02 '10 at 14:05
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A repeatable background image can be the best way to handle device resolution compatibility for simple patterns:
