What about setting your activity's launchMode to 'singleTask' (or 'singleTop') and implementing onNewIntent()? This would cause your current instance of your activity to be re-used.
On May 18, 1:04 pm, ls02 <[email protected]> wrote: > nohistory does not work. The app runs out of memory. > > On May 18, 12:33 pm, blcooley <[email protected]> wrote: > > > > > > > Looks like an easier way to do this might be to set android:nohistory > > to true in the manifest. (http://developer.android.com/guide/topics/ > > manifest/activity-element.html#nohist) > > > On May 18, 9:10 am, blcooley <[email protected]> wrote: > > > > In that case, you could build a "hub" Activity that can start each of > > > your four Activities via startActivityForResult, then have the > > > Activities call setResult, passing back an identifier that the hub > > > Activity inspects in onActivityResult and uses to determine the next > > > Activity to start. > > > > That way, your Activities would get destroyed rather that stacking up > > > until the OS decided to destroy them to reclaim the memory. The bad > > > thing is that it might break user expectations with respect to the > > > back button. > > > > On May 17, 9:09 pm, ls02 <[email protected]> wrote: > > > > > The activity stack in my real app is not hard coded. A can start B, or > > > > C which can start D and D can start A or B or C depending on user > > > > selection or other flow. And this happens rather frequently. Each of > > > > them in reality should exist in only one instance and the activity > > > > should be shown or brought to top rather then re-created. However, I > > > > can handle re-creating activity when started from another activity, I > > > > just need to ensure that previous activity instance is completely > > > > destroyed and all its resources are de-alocated and freed. > > > > > On May 17, 9:56 pm, blcooley <[email protected]> wrote: > > > > > > If you need information from B to be fed back to A, then start B by > > > > > calling startActivityForResult. Then, when B exits, call setResult, > > > > > and A will be on top of the Activity stack and its onActivityResult > > > > > will fire. > > > > > > If you don't need information from B, then you can start B using > > > > > startActivity. A will still be on top of the Activity stack when B > > > > > exits. > > > > > > Best regards, > > > > > Brian Cooley > > > > > > On May 17, 7:16 pm, ls02 <[email protected]> wrote: > > > > > > > My understanding there is no way to start another activity reusing > > > > > > existing activity instance. Both startActivity and > > > > > > startActivityForResult create a new activity instance. > > > > > > -- > > > > > 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 > > > > > athttp://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 [email protected] > > > > To unsubscribe from this group, send email to > > > > [email protected] > > > > For more options, visit this group > > > > athttp://groups.google.com/group/android-developers?hl=en-Hidequotedtext > > > > - > > > > > - Show quoted text - > > > > -- > > > 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 > > > athttp://groups.google.com/group/android-developers?hl=en-Hidequoted text > > > - > > > > - Show quoted text - > > > -- > > 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 > > athttp://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 [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group > athttp://groups.google.com/group/android-developers?hl=en- Hide quoted text - > > - Show quoted text - -- 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
