Thanks for the info. I have redesigned the app now and it worked. On Sep 20, 6:37 pm, Mark Murphy <mmur...@commonsware.com> wrote: > 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/threa... > > > 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/threa... > > > 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/commonsguyhttp://commonsware.com/blog|http://twitter.com/commonsguy > > Android Training...At Your Office:http://commonsware.com/training
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