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/commonsguy http://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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