Android运行时显示了一堆的错误关于Audio的错误可以看到是没有给予权限在Manifest里面注册一下uses-permission android:nameandroid.permission.RECORD_AUDIO/uses-permission后面就不显示相关的错误。2019-09-01 09:10:48.552 2733-3139/com.google.android.gms.persistent E/ctxmgr: [NetworkUtil]No active synchronizable contexts. [CONTEXT service_id47 ]2019-09-01 09:10:49.678 1615-2407/? E/AudioPolicyIntefaceImpl: getInputForAttr permission denied: recording not allowed for uid 10033 pid 34502019-09-01 09:10:49.678 1615-2407/? E/AudioFlinger: createRecord() checkRecordThread_l failed2019-09-01 09:10:49.678 3450-4634/com.google.android.googlequicksearchbox:search E/IAudioFlinger: createRecord returned error -222019-09-01 09:10:49.678 3450-4634/com.google.android.googlequicksearchbox:search E/AudioRecord: AudioFlinger could not create record track, status: -222019-09-01 09:10:49.679 3450-4634/com.google.android.googlequicksearchbox:search E/AudioRecord-JNI: Error creating AudioRecord instance: initialization check failed with status -22.2019-09-01 09:10:49.681 3450-4634/com.google.android.googlequicksearchbox:search E/android.media.AudioRecord: Error code -20 when initializing native AudioRecord object.2019-09-01 09:10:48.014 3006-3006/com.google.android.apps.nexuslauncher E/SchedPolicy: set_timerslack_ns write failed: Operation not permitted2019-09-01 09:10:49.682 3450-4634/com.google.android.googlequicksearchbox:search E/ActivityThread: Failed to find provider info for com.google.android.apps.gsa.testing.ui.audio.recorded2019-09-01 09:10:49.990 3450-4636/com.google.android.googlequicksearchbox:search E/PlaceStateUpdater: Received no places2019-09-01 09:10:50.012 3450-4636/com.google.android.googlequicksearchbox:search E/PlaceStateUpdater: Received no places2019-09-01 09:10:50.615 1844-2289/? E/installd: Failed to delete /data/app/vmdl1344279523.tmp: No such file or directory2019-09-01 09:10:52.220 1838-1854/? E/SurfaceFlinger: ro.sf.lcd_density must be defined as a build property2019-09-01 09:10:52.384 1838-1854/? E/SurfaceFlinger: ro.sf.lcd_density must be defined as a build property2019-09-01 09:11:01.406 2733-4665/com.google.android.gms.persistent E/GCM: Missing checkin config file2019-09-01 09:11:01.437 4249-4345/com.google.android.youtube E/FirebaseInstanceId: Token retrieval failed: AUTHENTICATION_FAILED后面还是显示如下错误2019-09-01 09:58:31.738 2218-4877/system_process E/memtrack: Couldnt load memtrack module2019-09-01 09:58:35.284 1852-1910/? E/storaged: getDiskStats failed with result NOT_SUPPORTED and size 02019-09-01 09:58:48.407 2733-5934/com.google.android.gms.persistent E/GCM: Missing checkin config file2019-09-01 09:58:48.414 2733-5934/com.google.android.gms.persistent E/GCM: Missing checkin config file2019-09-01 09:58:48.426 2733-5934/com.google.android.gms.persistent E/WakeLock: GCM_HB_ALARM release without a matched acquire!2019-09-01 09:58:49.073 2733-5939/com.google.android.gms.persistent E/GCM: Missing checkin config file2019-09-01 09:58:49.079 2733-5939/com.google.android.gms.persistent E/GCM: Missing checkin config file2019-09-01 09:58:49.092 2733-5939/com.google.android.gms.persistent E/WakeLock: GCM_HB_ALARM release without a matched acquire!2019-09-01 09:59:27.687 1936-1936/? E/netmgr: Failed to open QEMU pipe qemud:network: Invalid argument2019-09-01 09:59:27.687 1936-1936/? E/netmgr: WifiForwarder unable to open QEMU pipe: Invalid argument2019-09-01 09:59:31.805 2218-3555/system_process E/memtrack: Couldnt load memtrack module2019-09-01 09:59:35.286 1852-1910/? E/storaged: getDiskStats failed with result NOT_SUPPORTED and size 02019-09-01 10:00:27.690 1936-1936/? E/netmgr: Failed to open QEMU pipe qemud:network: Invalid argument2019-09-01 10:00:27.690 1936-1936/? E/netmgr: WifiForwarder unable to open QEMU pipe: Invalid argument重新换一个image新建一个模拟器就可以了。