Hi GuoBin, 1. My translucent activity will be the root acitivity, and very possible the home screen will be just behind, but what is the programmable way that can get a activity variable equals to the Home Launcher ?
2010/2/8 Guobin <zzg...@gmail.com> > 1. Possibly there are ways to find the activity behind the current > one. > Precondition: All activity are fullscreen. > If your activity is the root activity, then Home is in behind. > Otherwise find the previous activity in the task stack. > 1. My translucent activity will be the root acitivity, and very possible the home screen will be just behind, but what is the programmable way that can get a activity variable equals to the Home Launcher in my activity? > 2. You could send the touch event to other activity, but it's useless > I think. > The Android Window Mananger can only handle UI events for one view > hirarchy at one time. > May you send the event to the other activity, but no one can handle > it. > 2. In my understanding the activity behind in OnResume status, but it's still running. I'm really not sure about that I will try some test on it . > > BRs > Guobin > > On Feb 8, 12:50 pm, sheng wang <banxia...@gmail.com> wrote: > > Hi GuoBin, > > > > I understand what u mean below. I think that's the standard way the > android > > deal with the event. Event goes through a current path within the > activity. > > No event will go out of the current activity. > > > > As a surround way, is there any method that can let the current activity > > find out who is behind him? so he might communicate with the one behind > > it? > > > > Anyway, think you for taking your time to think the question. > > > > Shawn. > > > > 2010/2/8 Guobin <zzg...@gmail.com> > > > > > > 1. Whether the event can be send down to any thing behind the current > > > > activity. > > > No, you can't. > > > On the Android platform, you define an Activity's UI using a hierarchy > > > of View and ViewGroup nodes. > > > Home & your activity are different activity, they have their own view > > > hierarchy. > > > Key events are always delivered to the View currently in focus. They > > > are dispatched starting from the top of the View hierarchy, and then > > > down, until they reach the appropriate destination. > > > But not the view of other activity. > > >http://developer.android.com/guide/topics/ui/ui-events.html > > > > > Guobin > > > > > -- > > > You received this message because you are subscribed to the Google > > > Groups "Android Developers" group. > > > To post to this group, send email to > android-developers@googlegroups.com > > > To unsubscribe from this group, send email to > > > android-developers+unsubscr...@googlegroups.com<android-developers%2bunsubscr...@googlegroups.com> > <android-developers%2bunsubscr...@googlegroups.com<android-developers%252bunsubscr...@googlegroups.com> > > > > > 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 post to this group, send email to android-developers@googlegroups.com > To unsubscribe from this group, send email to > android-developers+unsubscr...@googlegroups.com<android-developers%2bunsubscr...@googlegroups.com> > 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 post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
