Take a look at Animation http://developer.android.com/reference/android/view/animation/Animation.html
I would suggest you rework your layout, putting your background image as a separate element and making it slide using a TranslateAnimation (or stretch with ScaleAnimation). On Fri, Jan 8, 2016 at 4:18 PM, Chris Wilson <cawilson1...@gmail.com> wrote: > I am a longtime java developer but I have little experiences creating > graphics or animations and I don't know where to start here. This is the > issue: > > I have an image with a transparent hole in the middle. The starting > background color of this image is white. But I need to create an effect > much like a blue "curtain" being dragged over the previously white > background. I'm not looking for a gradient. I want the blue to move from > left to right, overtaking the previous white background, so that at the > beginning, the background color is white, and in the end it is blue. > > This is my current layout which is being set to the content view of the > activity, but I am totally open to changing anything as needs be: > > <FrameLayout > xmlns:android="http://schemas.android.com/apk/res/android"; > android:layout_width="match_parent" > android:layout_height="match_parent" > android:background="@color/white" > android:foreground="@drawable/loading_page_4" > android:id="@+id/splash_color_layout" > > > > > </FrameLayout> > > -- > 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+unsubscr...@googlegroups.com. > To post to this group, send email to android-developers@googlegroups.com. > Visit this group at https://groups.google.com/group/android-developers. > To view this discussion on the web visit > https://groups.google.com/d/msgid/android-developers/e6bed457-879e-4173-aa7b-e318102bdc26%40googlegroups.com > <https://groups.google.com/d/msgid/android-developers/e6bed457-879e-4173-aa7b-e318102bdc26%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- 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+unsubscr...@googlegroups.com. To post to this group, send email to android-developers@googlegroups.com. Visit this group at https://groups.google.com/group/android-developers. To view this discussion on the web visit https://groups.google.com/d/msgid/android-developers/CAH_FNZyQu8ELV5BATwrNdOw%2Beyn43E8ucsRcsWzT%2BzcV302sZw%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
