오드로이드를 통해 앱을 개발하고 있습니다. 앱 실핼 중 오드로이드에 USB 허브를 연결 시키면 몇 초 뒤 "앱 이름 isn't responding 메시지가 화면 중앙에 출력이 되는 문제가 있습니다. USB 허브에는 BT동글, USB메모리, 마우스가 연결되어 있는 상태이고,
logcat으로 확인해 본 결과 로그는 아래와 같습니다.
2021-09-30 14:18:49.573 4519-4519/com.plc I/Choreographer: Skipped 362 frames! The application may be doing too much work on its main thread.
2021-09-30 14:18:51.468 3212-3235/system_process E/ActivityManager: ANR in com.android.bluetooth
PID: 3342
Reason: executing service com.android.bluetooth/.btservice.AdapterService
Load: 0.0 / 0.0 / 0.0
CPU usage from 0ms to 10044ms later (2021-09-30 05:18:41.407 to 2021-09-30 05:18:51.451):
13% 3914/android.process.media: 9.2% user + 4% kernel / faults: 2939 minor
10% 3212/system_server: 5.6% user + 5% kernel / faults: 694 minor
6.2% 3371/com.android.systemui: 5.2% user + 0.9% kernel / faults: 4067 minor 3 major
2.9% 2153/mmcqd/1: 0% user + 2.9% kernel
2% 3477/com.droidlogic: 1.4% user + 0.5% kernel / faults: 624 minor
1.8% 2986/surfaceflinger: 0.7% user + 1% kernel / faults: 389 minor
1.5% 1988/irq/51-meson-am: 0% user + 1.5% kernel
1.5% 2962/android.hardware.audio@2.0-service: 0.3% user + 1.1% kernel / faults: 40 minor
0.9% 2993/adbd: 0.1% user + 0.7% kernel / faults: 12302 minor
0.7% 2984/audioserver: 0.3% user + 0.3% kernel / faults: 1 minor
0.7% 4519/com.plc: 0.6% user + 0% kernel / faults: 526 minor 1 major
0.3% 2960/systemcontrol: 0.1% user + 0.1% kernel / faults: 191 minor
0.3% 2973/android.hardware.graphics.composer@2.2-service: 0.2% user + 0% kernel / faults: 85 minor
0.3% 2976/android.hardware.memtrack@1.0-service: 0% user + 0.3% kernel / faults: 378 minor
0.2% 2338/kworker/0:3: 0% user + 0.2% kernel
0.1% 7/rcu_preempt: 0.1% user + 0% kernel
0.1% 1938/kthread_di: 0.1% user + 0% kernel
0.1% 2904/logd: 0% user + 0% kernel / faults: 10 minor
0.1% 2958/hdmicecd: 0% user + 0% kernel / faults: 1 minor
0.1% 4575/irq/28-ff660000: 0.1% user + 0% kernel
0% 6/kworker/u8:0: 0% user + 0% kernel
0% 8/rcu_sched: 0% user + 0% kernel
0% 23/ksoftirqd/2: 0% user + 0% kernel
0% 30/kworker/3:0: 0% user + 0% kernel
0% 1426/kworker/2:1: 0% user + 0% kernel
0% 2372/ueventd: 0% user + 0% kernel / faults: 44 minor
0% 2499/kworker/u9:1: 0% user + 0% kernel
0% 2809/jbd2/mmcblk1p21: 0% user + 0% kernel
0% 2909/vold: 0% user + 0% kernel / faults: 163 minor
0% 2964/android.hardware.camera.provider@2.4-service: 0% user + 0% kernel
0% 2977/android.hardware.power@1.0-service: 0% user + 0% kernel
0% 3004/statsd: 0% user + 0% kernel / faults: 80 minor
0% 3010/tombstoned: 0% user + 0% kernel / faults: 23 minor
0% 3198/aml_buf_toggle_: 0% user + 0% kernel
0% 4009/com.estrongs.android.pop: 0% user + 0% kernel
0% 4100/com.android.keychain: 0% user + 0% kernel / faults: 16 minor
0% 4588/com.android.mtp: 0% user + 0% kernel / faults: 87 minor
0% 4630/usb-storage: 0% user + 0% kernel
+0% 4640/bioset: 0% user + 0% kernel
35% TOTAL: 7.8% user + 6.1% kernel + 21% iowait
CPU usage from 67195ms to 67195ms ago (1970-01-01 00:00:00.000 to 1970-01-01 00:00:00.000) with 0% awake:
0% TOTAL: 0% user + 0% kernel
2021-09-30 14:18:51.818 4519-4536/com.plc D/BluetoothAdapter: onBluetoothServiceUp: android.bluetooth.IBluetooth$Stub$Proxy@1e9c0cb
2021-09-30 14:18:52.032 4519-4525/com.plc I/com.plc: Thread[3,tid=4525,WaitingInMainSignalCatcherLoop,Thread*=0x7bc912b000,peer=0x14040020,"Signal Catcher"]: reacting to signal 3
2021-09-30 14:18:52.519 4519-4519/com.plc V/PLC: *MainActivity::mBroadcastReceiver::onReceive(action)=android.bluetooth.adapter.action.STATE_CHANGED
2021-09-30 14:18:54.133 4519-4525/com.plc I/com.plc: Wrote stack traces to '[tombstoned]'
2021-09-30 14:18:58.760 3212-3235/system_process E/ActivityManager: ANR in com.plc (com.plc/.MainActivity)
PID: 4519
Reason: Input dispatching timed out (Waiting to send non-key event because the touched window has not finished processing certain input events that were delivered to it over 500.0ms ago. Wait queue length: 2. Wait queue head age: 5778.3ms.)
(이하 생략)
2021-09-30 14:18:58.772 4519-4519/com.plc V/PLC: *MainActivity::mBroadcastReceiver::onReceive(action)=android.bluetooth.adapter.action.STATE_CHANGED
2021-09-30 14:18:58.878 2986-3066/? E/BufferQueueCore: [Application Not Responding: com.plc#0] Slot 0 is in mActiveBuffers but has no buffer
맨 윗 줄(Skipped 362 frames! The application may be doing too much work on its main thread.)과 맨 아래 줄([Application Not Responding: com.plc#0] Slot 0 is in mActiveBuffers but has no buffer)의 로그가
의심이 가는 부분인데 구글에 검색해 봐도 마땅한 해결책이 안 나오는 것 같습니다. 방법이 혹시 있을까요?
