I searched Google until my fingers ached, but I couldn't figure out how to interpret the ANR reports sent to Google developers.
So, at the top of the report, this intention is indicated as the reason:
ANR Executing service blah.blah.removed.UpdateEpisodesFileDetails
The streams listed below are listed below. (note that we have quite a few of these ANRs, and in each case, File.deleteImpl is displayed as what works in the main thread, which seems to be the key, but the intent specified in it does not delete):
DALVIK THREADS: (mutexes: tll=0 tsl=0 tscl=0 ghl=0 hwl=0 hwll=0) "main" prio=5 tid=1 NATIVE | group="main" sCount=1 dsCount=0 obj=0x40022268 self=0xcea0 | sysTid=313 nice=0 sched=0/0 cgrp=[fopen-error:2] handle=-1345006432 | schedstat=( 6115674000 2882269000 4010 ) at java.io.File.deleteImpl(Native Method) at java.io.File.delete(File.java:375) at au.com.shiftyjelly.pocketcasts.aia(SourceFile:256) at au.com.shiftyjelly.pocketcasts.aia(SourceFile:177) at au.com.shiftyjelly.pocketcasts.aic(SourceFile:374) at au.com.shiftyjelly.pocketcasts.aia(SourceFile:290) at au.com.shiftyjelly.pocketcasts.aea(SourceFile:1) at au.com.shiftyjelly.pocketcasts.server.ta(SourceFile:393) at au.com.shiftyjelly.pocketcasts.server.x.onPostExecute(SourceFile:1) at android.os.AsyncTask.finish(AsyncTask.java:417) at android.os.AsyncTask.access$300(AsyncTask.java:127) at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:429) at android.os.Handler.dispatchMessage(Handler.java:99) at android.os.Looper.loop(Looper.java:130) at android.app.ActivityThread.main(ActivityThread.java:3806) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:507) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597) at dalvik.system.NativeStart.main(Native Method) "AsyncTask #1" prio=5 tid=13 WAIT | group="main" sCount=1 dsCount=0 obj=0x4078adc0 self=0x415c80 | sysTid=2601 nice=10 sched=0/0 cgrp=[fopen-error:2] handle=4283832 | schedstat=( 270113000 194565000 1121 ) at java.lang.Object.wait(Native Method) - waiting on <0x4078b000> (a java.lang.VMThread) at java.lang.Thread.parkFor(Thread.java:1424) at java.lang.LangAccessImpl.parkFor(LangAccessImpl.java:48) at sun.misc.Unsafe.park(Unsafe.java:337) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:157) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2016) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:411) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1021) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1081) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:581) at java.lang.Thread.run(Thread.java:1019) "Binder Thread #3" prio=5 tid=10 NATIVE | group="main" sCount=1 dsCount=0 obj=0x405be0c0 self=0x3ba1e8 | sysTid=700 nice=0 sched=0/0 cgrp=[fopen-error:2] handle=3991064 | schedstat=( 8717000 2885597000 235 ) at dalvik.system.NativeStart.run(Native Method) "Thread-16" prio=5 tid=11 NATIVE | group="main" sCount=1 dsCount=0 obj=0x40623f98 self=0x3a3600 | sysTid=332 nice=0 sched=0/0 cgrp=[fopen-error:2] handle=3815224 | schedstat=( 24507000 2874905000 281 ) at android.os.MessageQueue.nativePollOnce(Native Method) at android.os.MessageQueue.next(MessageQueue.java:119) at android.os.Looper.loop(Looper.java:117) at au.com.shiftyjelly.pocketcasts.service.k.run(SourceFile:1078) at java.lang.Thread.run(Thread.java:1019) "background thread" prio=5 tid=9 NATIVE | group="main" sCount=1 dsCount=0 obj=0x40617c90 self=0x34eb00 | sysTid=330 nice=0 sched=0/0 cgrp=[fopen-error:2] handle=3468344 | schedstat=( 8289000 2632928000 198 ) at android.os.MessageQueue.nativePollOnce(Native Method) at android.os.MessageQueue.next(MessageQueue.java:119) at android.os.Looper.loop(Looper.java:117) at android.os.HandlerThread.run(HandlerThread.java:60) "pool-1-thread-1" prio=5 tid=8 WAIT | group="main" sCount=1 dsCount=0 obj=0x405446b8 self=0x34ace0 | sysTid=329 nice=0 sched=0/0 cgrp=[fopen-error:2] handle=3451952 | schedstat=( 39981000 2194522000 271 ) at java.lang.Object.wait(Native Method) - waiting on <0x405447d8> (a java.lang.VMThread) at java.lang.Thread.parkFor(Thread.java:1424) at java.lang.LangAccessImpl.parkFor(LangAccessImpl.java:48) at sun.misc.Unsafe.park(Unsafe.java:337) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:157) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2016) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:411) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1021) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1081) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:581) at java.lang.Thread.run(Thread.java:1019) "Binder Thread #2" prio=5 tid=7 NATIVE | group="main" sCount=1 dsCount=0 obj=0x40514c80 self=0x1373b8 | sysTid=319 nice=0 sched=0/0 cgrp=[fopen-error:2] handle=2641200 | schedstat=( 13291000 2392775000 260 ) at dalvik.system.NativeStart.run(Native Method) "Binder Thread #1" prio=5 tid=6 NATIVE | group="main" sCount=1 dsCount=0 obj=0x40514b70 self=0x2849c0 | sysTid=318 nice=0 sched=0/0 cgrp=[fopen-error:2] handle=603856 | schedstat=( 12253000 2190249000 264 ) at dalvik.system.NativeStart.run(Native Method) "Compiler" daemon prio=5 tid=5 VMWAIT | group="system" sCount=1 dsCount=0 obj=0x40510d28 self=0x29f0a0 | sysTid=317 nice=0 sched=0/0 cgrp=[fopen-error:2] handle=602784 | schedstat=( 433121000 2151691000 3736 ) at dalvik.system.NativeStart.run(Native Method) "Signal Catcher" daemon prio=5 tid=4 RUNNABLE | group="system" sCount=0 dsCount=0 obj=0x40510c68 self=0x29ef68 | sysTid=316 nice=0 sched=0/0 cgrp=[fopen-error:2] handle=602720 | schedstat=( 8292000 1519782000 208 ) at dalvik.system.NativeStart.run(Native Method) "GC" daemon prio=5 tid=3 VMWAIT | group="system" sCount=1 dsCount=0 obj=0x40510bc0 self=0x930a0 | sysTid=315 nice=0 sched=0/0 cgrp=[fopen-error:2] handle=602208 | schedstat=( 37690000 1428592000 208 ) at dalvik.system.NativeStart.run(Native Method) "HeapWorker" daemon prio=5 tid=2 VMWAIT | group="system" sCount=1 dsCount=0 obj=0x40510b08 self=0x93510 | sysTid=314 nice=0 sched=0/0 cgrp=[fopen-error:2] handle=602008 | schedstat=( 74593000 1863624000 297 ) at dalvik.system.NativeStart.run(Native Method)
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