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 <[email protected]> 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 [email protected]. > To post to this group, send email to [email protected]. > 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 [email protected]. To post to this group, send email to [email protected]. 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.
