Use startActivity(), with FLAG_ACTIVITY_REORDER_TO_FRONT, to bring an existing activity back into the foreground (or create it if it does not exist).
On Tue, Sep 20, 2011 at 12:32 PM, MobileVisuals <eyv...@astralvisuals.com> wrote: > I see, then I would have to use one SurfaceView for the first activity > and a GLSurfaceView for the other activity. I searched for information > about how to switch between 2 activities on the forum and found one of > your threads: > > http://groups.google.com/group/android-developers/browse_thread/thread/c6ffe95d4909167b/fd1be2b4a1912c1a?lnk=gst&q=switch+between+activities#fd1be2b4a1912c1a > > You recommend using a viewflipper here, so I can not use that > approach. I found another thread > > http://groups.google.com/group/android-developers/browse_thread/thread/e17375dd36d0cdc6/eb66078f6325c77c?lnk=gst&q=switch+between+activities#eb66078f6325c77c > > where they used the StartActivityForResult method. How would you > recommend that I should swith between the activites without using a > ViewFlipper? > > On Sep 20, 4:43 pm, Mark Murphy <mmur...@commonsware.com> wrote: >> Use two activities. >> >> >> >> On Tue, Sep 20, 2011 at 9:54 AM, MobileVisuals <eyv...@astralvisuals.com> >> wrote: >> > I got the viewflipper to work, but I found that it is not possible to >> > use a GLSurfaceView in a viewflipper, like this thread describes: >> >> >http://groups.google.com/group/android-developers/browse_thread/threa... >> >> > How can I then switch between 2d and 3d rendering? >> >> > On Jul 27, 2:53 pm, Mark Murphy <mmur...@commonsware.com> wrote: >> >> On Wed, Jul 27, 2011 at 8:49 AM, MobileVisuals <eyv...@astralvisuals.com> >> >> wrote: >> >> > I try to add 2 views to a Viewflipper, but I get >> >> >> > "java.lang.IllegalStateException: The specified child already has a >> >> > parent. >> >> > You must call removeView() on the child's parent first." >> >> >> > when I try to add the view. I don't know why this happens. I try to >> >> > remove the view from the ViewFlipper, but I still get the same >> >> > message. How can I add a ViewFlipper to the layout? You can view my >> >> > code and XML layout below: >> >> > --------------------------------------------------- >> >> > setContentView(R.layout.lunar_layout); >> >> > mLunarView = (LunarView) findViewById(R.id.lunar); >> >> > ViewFlipper vf=(ViewFlipper) findViewById(R.id.flip); >> >> > vf.addView(mLunarView, 0); >> >> >> The error should be self-explanatory. You already have R.id.lunar as a >> >> child of the LinearLayout. >> >> >> > layout: >> >> > ------------------------------------------------------------------ >> >> > <?xml version="1.0" encoding="utf-8"?> >> >> >> > <LinearLayout xmlns:android="http://schemas.android.com/apk/res/ >> >> > android" >> >> > android:layout_width="wrap_content" >> >> > android:layout_height="wrap_content"> >> >> >> > <ViewFlipper >> >> > android:id="@+id/flip" >> >> > android:layout_width="fill_parent" >> >> > android:layout_height="fill_parent"/> >> >> >> > <astral.effectsf.LunarView >> >> > android:id="@+id/lunar" >> >> > android:layout_width="fill_parent" >> >> > android:layout_height="fill_parent"/> >> >> >> > </LinearLayout> >> >> >> Make the LunarView be a child element of your ViewFlipper, and get rid >> >> of the Java code to try adding it to the ViewFlipper, and you will be >> >> set. >> >> >> Here are some projects demonstrating the use of a ViewFlipper: >> >> >>https://github.com/commonsguy/cw-android/tree/master/Fancy/Flipper1ht... >> >> >> -- >> >> Mark Murphy (a Commons >> >> Guy)http://commonsware.com|http://github.com/commonsguyhttp://commonsware.com/blog|http://twitter.com/commonsguy >> >> >> Android Training in NYC:http://marakana.com/training/android/ >> >> > -- >> > 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 >> >> -- >> Mark Murphy (a Commons >> Guy)http://commonsware.com|http://github.com/commonsguyhttp://commonsware.com/blog|http://twitter.com/commonsguy >> >> Android Training...At Your Office:http://commonsware.com/training > > -- > 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 > -- Mark Murphy (a Commons Guy) http://commonsware.com | http://github.com/commonsguy http://commonsware.com/blog | http://twitter.com/commonsguy Android Training...At Your Office: http://commonsware.com/training -- You received this message because you are subscribed to the Google Groups "Android Developers" group. 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