How to support all the different resolutions of android products

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You don’t have to do that to support different densities. What you do is create different resources folders:

res/values-ldpi/dimens.xml
res/values-mdpi/dimens.xml
res/values-hdpi/dimens.xml

Then Android will decide which file to use. You can have something like:

<!-- in values-ldpi/dimens.xml -->
<dimen name="textSize">25dip</dimen>

and..

<!-- in values-mdpi/dimens.xml -->
<dimen name="textSize">20dip</dimen>

etc. And you shouldn’t care about resolution… there are a lot of different resolutions sizes so it would be a hell to take decisions based on that.

Also, if you use dp instead of pixels, you hardly ever will have to create different dimensions files for each density. Of course, sometimes you have to, but it depends on the app.

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