What does it take to get this documentation updated, so that thousands of man-hours around the world are not completely wasted learning an obsolete approach?
For that matter, what good does it do to create a new and better API if the people who would benefit from it don't KNOW about it, and are instead learning the old way -- because Google left the documentation for the old way showing up in the obvious Google searches? On Jan 17, 9:33 am, Dianne Hackborn <[email protected]> wrote: > That was written before there was multiple densities, so you should take 74 > as in dp. So that is 74 pixels in mdpi, 1.5x in hdpi, etc. > > An mdpi device with a 480x800 screen has more layout space than a 480x800 > hdpi screen. So the size of the widgets in pixels is still 74, but launcher > can just put more widgets on its screen because it has more space. It would > definitely be covered by more than 3 cells. > > On Mon, Jan 17, 2011 at 8:54 AM, Cleverson <[email protected]> wrote: > > Hi, > > > I'm trying to understand how the home screen calculates how many cells > > will be assigned to a given widget. I came across the following > > sentence in the Android Developer Site: > > > "Because the Home screen's layout orientation (and thus, the cell > > sizes) can change, as a rule of thumb, you should assume the worst- > > case cell size of 74 pixels for the height and width of a cell. > > However, you must subtract 2 from the final dimension to account for > > any integer rounding errors that occur in the pixel count. To find > > your minimum width and height in density-independent pixels (dp), use > > this formula: > > (number of cells * 74) - 2 > > Following this formula, you should use 72 dp for a height of one cell, > > 294 dp and for a width of four cells." > > > What if I have a mdpi (160dpi) device whose resolution is 480x800? > > > In a mdpi device, each 1 dip stands for 1 pixel. So, if my widget is > > 72dip x 294dip, it would take 72px x 294px in the mdpi device. > > As far as I cound understand, in the example above, the widget would > > not take 4 cells in this device. The device is 480 pixels wide and 294 > > pixels would be covered by 3 cells. > > > Who's wrong here? The formula or my interpretation? > > > Thanks in advance! > > > -- > > You received this message because you are subscribed to the Google > > Groups "Android Developers" group. > > To post to this group, send email to [email protected] > > To unsubscribe from this group, send email to > > [email protected]<android-developers%[email protected]> > > For more options, visit this group at > >http://groups.google.com/group/android-developers?hl=en > > -- > Dianne Hackborn > Android framework engineer > [email protected] > > Note: please don't send private questions to me, as I don't have time to > provide private support, and so won't reply to such e-mails. All such > questions should be posted on public forums, where I and others can see and > answer them. -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
