One more tip - I got the "best bang for the buck" by reducing the
footprints of bitmaps and canvases. Mine were unnecessarily big, at
first.

On May 2, 8:05 am, JP <joachim.pfeif...@gmail.com> wrote:
> I've seen crashes like this (did not take snapshots of the traces to
> compare) as well. If I remember correctly, the built-in Map app can be
> crashed like that, too. Just as your trace shows, this occurs mostly
> in animateTo(). I suspected this had to do with memory availability
> (or lack thereof) when new tiles are loaded, so I spent a few days on
> optimizing memory usage on my end. I found the problem tapered off
> considerably after that campaign. When testing, I have to try pretty
> hard now to trigger this (on a standard G1 or emulator session).
>
> On May 2, 7:20 am, chris <christ.pe...@gmail.com> wrote:
>
> > Hi ,
>
> > I have from time to time some crashes on the google code for drawing
> > tiles on a mapActivity.
>
> > 05-02 16:03:00.510: WARN/dalvikvm(6278): threadid=23: thread exiting
> > with uncaught exception (group=0x4000fe70)
> > 05-02 16:03:00.540: ERROR/AndroidRuntime(6278): Uncaught handler:
> > thread Thread-28 exiting due to uncaught exception
> > 05-02 16:03:00.540: ERROR/AndroidRuntime(6278):
> > java.lang.NullPointerException
> > 05-02 16:03:00.540: ERROR/AndroidRuntime(6278):     at
> > com.google.googlenav.map.Map.drawTile(Unknown Source)
> > 05-02 16:03:00.540: ERROR/AndroidRuntime(6278):     at
> > com.google.googlenav.map.Map.drawMapBackground(Unknown Source)
> > 05-02 16:03:00.540: ERROR/AndroidRuntime(6278):     at
> > com.google.googlenav.map.Map.preLoad(Unknown Source)
> > 05-02 16:03:00.540: ERROR/AndroidRuntime(6278):     at
> > com.google.android.maps.MapController.animateTo(MapController.java:
> > 234)
> > 05-02 16:03:00.540: ERROR/AndroidRuntime(6278):     at
> > com.google.android.maps.MapController.animateTo(MapController.java:
> > 203)
> > 05-02 16:03:00.540: ERROR/AndroidRuntime(6278):     at
> > com.piggyback.foxydroid.MainActivity$1.run(MainActivity.java:164)
> > 05-02 16:03:00.540: ERROR/AndroidRuntime(6278):     at
> > java.lang.Thread.run(Thread.java:1058)
>
> > and this in /data/anr/traces.txt
> > "Thread-28" prio=5 tid=23 NATIVE
> >   | group="main" sCount=1 dsCount=0 s=0 obj=0x43590018
> >   | sysTid=6314 nice=0 sched=0/0 handle=1750032
> >   at android.os.BinderProxy.transact(Native Method)
> >   at android.app.ActivityManagerProxy.handleApplicationError
> > (ActivityManagerNative.java:2103)
> >   at com.android.internal.os.RuntimeInit.crash(RuntimeInit.java:302)
> >   at com.android.internal.os.RuntimeInit
> > $UncaughtHandler.uncaughtException(RuntimeInit.java:75)
> >   at java.lang.ThreadGroup.uncaughtException(ThreadGroup.java:887)
> >   at java.lang.ThreadGroup.uncaughtException(ThreadGroup.java:884)
>
> > Any idea what could cause such crashes and how to avoid/prevent them
> > to crash my application ?
>
> > Chris
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