ViewRoot.performTraversals() is the main engine of the view hierarchy, driving all layout and drawing in it. Most things you see happening in your views are likely to come from there, but that doesn't mean it is to blame. :)
On Wed, Apr 7, 2010 at 10:59 AM, McD <[email protected]> wrote: > Hey all, > > Question on an oddity I am seeing. I have an ImageView that I am > using to display a splash screen for a couple of seconds: > > <ImageView android:id="@+id/splashsScreen" > android:src="@drawable/logosplash" > android:layout_width="fill_parent" > android:layout_height="fill_parent"> > </ImageView> > > > public class SplashScreen extends Activity { > private static final int STOPSPLASH = 0; > private static final long SPLASHTIME = 3000; > private Handler splashScreenHandler = new Handler() { > @Override > public void handleMessage(Message msg) { > switch (msg.what){ > case STOPSPLASH: > finish(); > break; > } > super.handleMessage(msg); > } > }; > @Override > public void onCreate(Bundle icicle) > { > super.onCreate(icicle); > setContentView(R.layout.splash); > Message splashMsg = new Message(); > splashMsg.what = STOPSPLASH; > splashScreenHandler.sendMessageDelayed(splashMsg, SPLASHTIME); > } > > } > > This activity is started from my main activity. Pretty simple, works > great. The problem comes later when I try and display a overlay on > the screen in the form of a class that is extended from View: > > public final class FinderView extends View { > ... > } > > When I go to display that FinderView the splashscreen logo appears > instead. If I change the screen orientation before I display the > FinderView, it'll work and display the overlay properly without the > splash screen. Tracing it down It looks like > ViewRoot.performTransversals (line 1123 for version 2.1) is the part > that is displaying the old image. > > Any thoughts? > > -- > 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 > > To unsubscribe, reply using "remove me" as the subject. > -- 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
