This is strange, since the text disappears completly as soon as the view is rotated just a little bit. And it only happens on 4.x. I'm already using the camera.
But I solved it rendering the textviews to bitmaps, for now. Am Montag, 18. März 2013 23:07:53 UTC+1 schrieb Romain Guy (Google): > > If you're doing a 3D rotation the problem might be due to a combination of > angle of rotation and size of the rotated elements. The element you are > rotating might end up being clipped by the camera and disappear. To work > around this we expose an API in Camera that lets you specify the distance > of the camera to the scene. > > > On Mon, Mar 18, 2013 at 3:02 PM, user123 <[email protected] <javascript:> > > wrote: > >> Now I also noticed that it happens only with >> android:hardwareAccelerated="false". When true, the text is displayed. >> >> But I need to set it to false, because otherwise the views don't rotate >> correctly... (it's a well known issue e.g. with this >> <http://code.google.com/p/android-coverflow/>coverflow implementation). >> >> >> Am Montag, 18. März 2013 12:52:28 UTC+1 schrieb user123: >>> >>> It seems to be 4.2 only. I tested in the emulator 4.0, 4.1 and 4.2 and >>> happened only on 4.2. >>> >>> As mentioned, concerning devices, I have only 4.2, where it happens. >>> >>> I'm using Google maps api (the emulators have to be configured to use >>> this instead of "plain" 4.x), but I think it's not relevant for this. >>> >>> >>> >>> >>> Am Montag, 18. März 2013 12:20:12 UTC+1 schrieb user123: >>>> >>>> I just have 2 devices, Galaxy Nexus and Nexus 7, both with 4.2. Can't >>>> test on more. >>>> >>>> If nobody else has feedback on this, I would submit the bug anyways (?). >>>> >>>> >>>> >>>> Am Montag, 18. März 2013 06:56:50 UTC+1 schrieb Romain Guy (Google): >>>>> >>>>> Does it happen on all 4.x versions? (4.0, 4.1 and 4.2?) If so, please >>>>> file a bug at b.android.com. >>>>> >>>>> >>>>> On Sun, Mar 17, 2013 at 4:38 PM, user123 <[email protected]> wrote: >>>>> >>>>>> I'm rotating a custom view, which contains a textview, using >>>>>> getChildStaticTransformation: >>>>>> >>>>>> @Override >>>>>> protected boolean getChildStaticTransformation(**View child, >>>>>> Transformation t) { >>>>>> t.clear(); >>>>>> t.setTransformationType(**Transformation.TYPE_MATRIX); >>>>>> camera.save(); >>>>>> final Matrix imageMatrix = t.getMatrix(); >>>>>> >>>>>> float transX = (textView.getWidth() / 2.0f); >>>>>> float transY = (textView.getHeight() / 2.0f); >>>>>> >>>>>> camera.rotateY(rot); >>>>>> camera.getMatrix(imageMatrix); >>>>>> imageMatrix.preTranslate(-**transX, -transY); >>>>>> imageMatrix.postTranslate(**transX, transY); >>>>>> camera.restore(); >>>>>> //... >>>>>> } >>>>>> >>>>>> This works very well on all 2.x devices I have tested, but in 4.x >>>>>> devices, on angle != 0, the text dissapears. Rotation works well, but >>>>>> the >>>>>> text dissapears. It appears again if rotation is 0. >>>>>> >>>>>> What can I do to solve this? 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 >>>>>> android-developers+**[email protected] >>>>>> For more options, visit this group at >>>>>> http://groups.google.com/**group/android-developers?hl=en<http://groups.google.com/group/android-developers?hl=en> >>>>>> --- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "Android Developers" group. >>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>> send an email to android-developers+**[email protected]. >>>>>> For more options, visit >>>>>> https://groups.google.com/**groups/opt_out<https://groups.google.com/groups/opt_out> >>>>>> . >>>>>> >>>>>> >>>>>> >>>>> >>>>> >>>>> >>>>> -- >>>>> Romain Guy >>>>> Android framework engineer >>>>> [email protected] >>>>> >>>> -- >> -- >> 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]<javascript:> >> To unsubscribe from this group, send email to >> [email protected] <javascript:> >> For more options, visit this group at >> http://groups.google.com/group/android-developers?hl=en >> --- >> You received this message because you are subscribed to the Google Groups >> "Android Developers" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> For more options, visit https://groups.google.com/groups/opt_out. >> >> >> > > > > -- > Romain Guy > Android framework engineer > [email protected] <javascript:> > -- -- 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 --- You received this message because you are subscribed to the Google Groups "Android Developers" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
