this post was submitted on 22 Jun 2024
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Jerboa

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Jerboa is a native-android client for Lemmy, built using the native android framework, Jetpack Compose.

Warning: You can submit issues, but between Lemmy and lemmy-ui, I probably won't have too much time to work on them. Learn jetpack compose like I did if you want to help make this app better.

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Jerboa is made by Lemmy's developers, and is free, open-source software, meaning no advertising, monetizing, or venture capital, ever. Your donations directly support full-time development of the project.

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founded 2 years ago
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12
[fixed] App crashing (lemmy.ca)
submitted 4 months ago* (last edited 4 months ago) by [email protected] to c/[email protected]
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I've noticed with the last 2-3 versions of the app (currently 0.0.69, nice); the app crashes 2/3rds of the time when returning to it from being in the background.

Open the app, switch to another app, switch back a couple min later and it closes then reopens as if you'd just started it for the first time today (losing whatever post you had open).

Curious if others are experiencing this?

Android 14, One UI 6.1

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[–] [email protected] 4 points 4 months ago (1 children)

settings > about > crash logs

can you post the stacktrace here or on github or in my dms

[–] [email protected] 3 points 4 months ago* (last edited 4 months ago) (1 children)

This appears daily for the last 2 weeks:

Stacktrace

java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.Class java.lang.Object.getClass()' on a null object reference at androidx.compose.ui.graphics.layer.LayerManager.persistLayers(Unknown Source:118) at androidx.compose.ui.graphics.AndroidGraphicsContext$componentCallback$1$onTrimMemory$1.onPreDraw(Unknown Source:16) at android.view.ViewTreeObserver.dispatchOnPreDraw(ViewTreeObserver.java:1204) at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:4723) at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:3288) at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:11344) at android.view.Choreographer$CallbackRecord.run(Choreographer.java:1689) at android.view.Choreographer$CallbackRecord.run(Choreographer.java:1698) at android.view.Choreographer.doCallbacks(Choreographer.java:1153) at android.view.Choreographer.doFrame(Choreographer.java:1079) at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:1646) at android.os.Handler.handleCallback(Handler.java:958) at android.os.Handler.dispatchMessage(Handler.java:99) at android.os.Looper.loopOnce(Looper.java:230) at android.os.Looper.loop(Looper.java:319) at android.app.ActivityThread.main(ActivityThread.java:8919) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:578) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1103)

END of stacktrace

Thread info

Name: main ID: 2 State: RUNNABLE Priority: 5 Thread group name: main Thread group parent: system Thread group active count: 32 Thread time: 0 hr 5 min, 5 sec

END of thread info

Device info

Report ID: 14f3b073-a751-49aa-9a7b-222db9bf0e15 Device ID: 88a115ded4d03269 Application version: 69 Default launcher: com.sec.android.app.launcher Timezone name: Pacific Standard Time Timezone ID: America/Vancouver Version release: 14 Version incremental : A546WVLS7CXE1 Version SDK: 34 Board: s5e8835 Bootloader: A546WVLS7CXE1 Brand: samsung CPU ABIS 32: armeabi-v7a, armeabi CPU ABIS 64: arm64-v8a Supported ABIS: arm64-v8a, armeabi-v7a, armeabi Device: a54x Display: UP1A.231005.007.A546WVLS7CXE1 Fingerprint: samsung/a54xcs/a54x:14/UP1A.231005.007/A546WVLS7CXE1:user/release-keys Hardware: s5e8835 Host: SWDK6120 ID: UP1A.231005.007 Manufacturer: samsung Product: a54xcs Build time: 1715231961000 Build time formatted: 08-05-2024 22:19:21 Type: user Radio: A546WVLS7CXE1,A546WVLS7CXE1 Tags: release-keys User: dpi User IDs: N/A Is sustained performance mode supported: No Is in power save mode: No Is in interactive state: Yes Is ignoring battery optimizations: Yes Thermal status: STATUS_NONE Location power save mode: MODE_NO_CHANGE Is device idle: No Battery percentage: 91 Battery remaining time: 31-12-1969 16:00:00 Is battery charging: No Is device rooted: No CPU Model: N/A Number of CPU cores: 8 Up time with sleep: 509 hr 22 min, 56 sec Up time without sleep: 340 hr 53 min, 28 sec

END of Device info

Exit reasons

Exit reason #1 Description: crash Importance: FOREGROUND Reason: CRASH Timestamp: 22-06-2024 10:50:05 END of exit reason #1

Exit reason #2 Description: crash Importance: FOREGROUND Reason: CRASH Timestamp: 22-06-2024 06:08:27 END of exit reason #2

Exit reason #3 Description: crash Importance: FOREGROUND Reason: CRASH Timestamp: 21-06-2024 19:44:57 END of exit reason #3

END of exit reasons

Application info

App name: Jerboa Version code: 69 Version name: 0.0.69 Package name: com.jerboa Short package name: jerboa Flavor: N/A Signatures: nORRaWmGNmrBj18PL/p3svEr/s4= Is debuggable: No First installed: 27-09-2023 19:04:21 Last updated: 15-06-2024 01:37:51 Requested permissions: android.permission.ACCESS_NETWORK_STATE, android.permission.INTERNET, android.permission.READ_MEDIA_AUDIO, android.permission.READ_MEDIA_IMAGES, android.permission.READ_MEDIA_VIDEO, com.jerboa.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION, android.permission.READ_MEDIA_VISUAL_USER_SELECTED Default prefs: N/A Default prefs: N/A

END of Application info

Currently running foreground/background processes

N/A

END of running foreground/background processes info

[–] [email protected] 2 points 4 months ago (1 children)

This is a bug in our toolkit. But it has been fixed already. When the release lands we will update our dependency.

https://issuetracker.google.com/issues/343750859

[–] [email protected] 1 points 4 months ago* (last edited 4 months ago)

Any idea when a fix might make it into Jerboa?

This is getting really frustrating to deal with every day...

/edit; ask and you shall receive... Woke up to a new update. Fingers crossed it fixes this crash :D

[–] [email protected] 1 points 4 months ago

No prob for me, android 14 pixel 6

[–] vikingtons 1 points 4 months ago* (last edited 4 months ago)

I'm also experiencing this intermittently with a pixel 7 and android 14.

Stacktrace

java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.Class java.lang.Object.getClass()' on a null object reference at androidx.compose.ui.graphics.layer.LayerManager.persistLayers(Unknown Source:118) at androidx.compose.ui.graphics.AndroidGraphicsContext$componentCallback$1$onTrimMemory$1.onPreDraw(Unknown Source:16) at android.view.ViewTreeObserver.dispatchOnPreDraw(ViewTreeObserver.java:1176) at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:4029) at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:2718) at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:9937) at android.view.Choreographer$CallbackRecord.run(Choreographer.java:1406) at android.view.Choreographer$CallbackRecord.run(Choreographer.java:1415) at android.view.Choreographer.doCallbacks(Choreographer.java:1015) at android.view.Choreographer.doFrame(Choreographer.java:945) at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:1389) at android.os.Handler.handleCallback(Handler.java:959) at android.os.Handler.dispatchMessage(Handler.java:100) at android.os.Looper.loopOnce(Looper.java:232) at android.os.Looper.loop(Looper.java:317) at android.app.ActivityThread.main(ActivityThread.java:8592) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:580) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:878)

END of stacktrace

Thread info

Name: main ID: 2 State: RUNNABLE Priority: 5 Thread group name: main Thread group parent: system Thread group active count: 40 Thread time: 0 hr 2 min, 25 sec

END of thread info

Device info

Report ID: ba4f523e-a62e-4f16-9748-641ba37e3b34 Device ID: 98bcbcd13ed07858 Application version: 69 Default launcher: com.android.settings Timezone name: Greenwich Mean Time Timezone ID: Europe/London Version release: 14 Version incremental : 24508000 Version SDK: 34 Board: panther Bootloader: cloudripper-14.5-11677884 Brand: google CPU ABIS 32: N/A CPU ABIS 64: arm64-v8a Supported ABIS: arm64-v8a Device: panther Display: AP2A.240605.024.24508000 Fingerprint: google/panther/panther:14/AP2A.240605.024/11860263:user/release-keys Hardware: panther Host: tuotanto.eu.calyxos.net ID: AP2A.240605.024 Manufacturer: Google Product: panther Build time: 1718293084000 Build time formatted: 13-06-2024 16:38:04 Type: user Radio: g5300q-240308-240517-B-11857457,g5300q-240308-240517-B-11857457 Tags: release-keys User: cdesai User IDs: N/A Is sustained performance mode supported: No Is in power save mode: No Is in interactive state: Yes Is ignoring battery optimizations: No Thermal status: STATUS_NONE Location power save mode: MODE_NO_CHANGE Is device idle: No Battery percentage: 32 Battery remaining time: N/A Is battery charging: No Is device rooted: No CPU Model: N/A Number of CPU cores: 8 Up time with sleep: 76 hr 9 min, 36 sec Up time without sleep: 25 hr 12 min, 37 sec

END of Device info

Exit reasons

Exit reason #1 Description: crash Importance: FOREGROUND Reason: CRASH Timestamp: 22-06-2024 21:27:36 END of exit reason #1

Exit reason #2 Description: REMOVE TASK remove task Importance: CACHED Reason: USER_REQUESTED Timestamp: 22-06-2024 14:59:49 END of exit reason #2

Exit reason #3 Description: crash Importance: FOREGROUND Reason: CRASH Timestamp: 21-06-2024 23:02:27 END of exit reason #3

END of exit reasons

Application info

App name: Jerboa Version code: 69 Version name: 0.0.69 Package name: com.jerboa Short package name: jerboa Flavor: N/A Signatures: KvQuis6lLSzWNkzLFfVFwtoVsyk= Is debuggable: No First installed: 05-09-2023 18:30:11 Last updated: 14-06-2024 19:00:56 Requested permissions: android.permission.ACCESS_NETWORK_STATE, android.permission.INTERNET, android.permission.READ_MEDIA_AUDIO, android.permission.READ_MEDIA_IMAGES, android.permission.READ_MEDIA_VIDEO, com.jerboa.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION, android.permission.READ_MEDIA_VISUAL_USER_SELECTED Default prefs: N/A Default prefs: N/A

END of Application info

Currently running foreground/background processes

N/A

END of running foreground/background processes info

[–] [email protected] 0 points 4 months ago* (last edited 4 months ago) (1 children)

It's not an app issue but an OS issue. OEM ROMs close background apps very quickly to improve battery life. This is especially a problem on Xiaomi phones. It just looks like it crashes when you try to open it. It actually closes earlier and you may see a screenshot of its last state.

[–] [email protected] 3 points 4 months ago* (last edited 4 months ago) (1 children)

No. Battery optimization is disabled for this app, it's far more abrupt than a power managed app, and there are crash logs.

[–] [email protected] 1 points 4 months ago

Oh then provide logs to the devs so they can fix it