Or maybe the objects in the 3d activity are not garbage collected when I switch to the 2d activity? Maybe I should set the objects in the 3d activity to null, when it switches to the 2d activity?
On Sep 22, 9:11 pm, Mark Murphy <mmur...@commonsware.com> wrote: > Use adb logcat, DDMS, or the DDMS perspective in Eclipse to examine > LogCat and figure out what the crashes are. > > > > On Thu, Sep 22, 2011 at 2:43 PM, MobileVisuals <eyv...@astralvisuals.com> > wrote: > > Does anyone have an idea what I can do to improve the stability of > > this 3d app, which has 2 activities? I want to avoid the crashes. > > > On Sep 22, 1:14 pm, MobileVisuals <eyv...@astralvisuals.com> wrote: > >> I thought that it worked like it should,but I noticed that this is not > >> the case. This version crashes sometimes, often when onResume() is > >> called on any of the activities. It crashes on my Samsung Galaxy > >> device. I have tried to reproduce this on the emulator, but it doesn't > >> crashes there. The previous version based on ViewFlipper never > >> crashed, even on the Samsung device. > > >> Maybe the crashes are caused by the threads? I have set the priorities > >> to MIN_PRIORITY. I call on yield() on the 2d thread for every > >> onResume() and onPause() call to the 2d activity. I call on yield() > >> on the 3d thread for every onResume() and onPause() call to the 3d > >> activity. Should I implement another approach for the threading? Or do > >> think that something else causes the crashes? > > >> On Sep 21, 8:10 pm, MobileVisuals <eyv...@astralvisuals.com> wrote: > > >> > 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 > > > -- > > 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 > > Warescription: Three Android Books, Plus Updates, One Low Price! -- You received this message because you are subscribed to the Google Groups "Android Developers" group. 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