apk in release mode not working

[palak pandey]

greetings to all,

today i made the apk in release mode but it is not working while when I run it in debug mode it works fine. 

and by not working I mean in debug mode I can see the welcome screen but when I make apk then install and run it shows grey screen and doesn't work.

i have made apk in release mode before also but this time it's not working I don't know why.

i have invalidated cache and tried flutter clean.

does anyone know the reason for this?

[Rithesh R]

It might be because of some missing  plugin exception .try running it in release mode using command flutter run --release

[Suzuki Tomohiro]

Grey screen is usually a sign of an error in Flutter. Use “adb logcat” to see the error in the device log. 

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[palak pandey]

below is the logcat that is running -:

01-30 11:09:19.308  4250  4250 I CNSS    : Failed to send nl message

01-30 11:09:20.411  4250  4250 I chatty  : uid=1000(system) /system/vendor/bin/cnss_diag identical 11 lines

01-30 11:09:20.414  4250  4250 I CNSS    : Failed to send nl message

01-30 11:09:20.692   747 18071 I WifiHAL : event received NL80211_CMD_VENDOR, vendor_id = 0x1374, subcmd = 0xd

01-30 11:09:20.693  1069  1069 I cnss-daemon: nl80211 response handler invoked

01-30 11:09:20.693  1069  1069 I cnss-daemon: nl80211_response_handler: cmd 103, vendorID 4980, subcmd 13  received

01-30 11:09:20.846  4250  4250 I CNSS    : Failed to send nl message

01-30 11:09:20.848  4250  4250 I CNSS    : Failed to send nl message

01-30 11:09:20.983   513   513 I hwservicemanager: getTransport: Cannot find entry vendor.qti.hardware.servicetracker@1.0::IServicetracker/default in either f

ramework or device manifest.

01-30 11:09:20.995   513   513 I chatty  : uid=1000(system) hwservicemanage identical 1 line

01-30 11:09:21.053   513   513 I hwservicemanager: getTransport: Cannot find entry vendor.qti.hardware.servicetracker@1.0::IServicetracker/default in either f

ramework or device manifest.

01-30 11:09:21.357  4250  4250 I CNSS    : Failed to send nl message

01-30 11:09:22.519  4250  4250 I chatty  : uid=1000(system) /system/vendor/bin/cnss_diag identical 34 lines

01-30 11:09:22.522  4250  4250 I CNSS    : Failed to send nl message

01-30 11:09:22.695   747 18071 I WifiHAL : event received NL80211_CMD_VENDOR, vendor_id = 0x1374, subcmd = 0xd

01-30 11:09:22.695  1069  1069 I cnss-daemon: nl80211 response handler invoked

01-30 11:09:22.695  1069  1069 I cnss-daemon: nl80211_response_handler: cmd 103, vendorID 4980, subcmd 13  received

01-30 11:09:22.697  4250  4250 I CNSS    : Failed to send nl message

01-30 11:09:22.903  2294  2720 D MobileSignalController: updateDataType mSelectedDataTypeIcon[1]=0, mSelectedDataActivityIndex=0

01-30 11:09:22.904  2294  2720 D TelephonyIcons: getSignalStrengthIcon: slot=1, inetCondition=1, level=3, roaming=false, signalstrength=SignalStrength:{mCdma=

CellSignalStrengthCdma: cdmaDbm=2147483647 cdmaEcio=2147483647 evdoDbm=2147483647 evdoEcio=2147483647 evdoSnr=2147483647 miuiLevel=0 level=0,mGsm=CellSignalSt

rengthGsm: rssi=2147483647 ber=2147483647 mTa=2147483647 miuiLevel=0 mLevel=0,mWcdma=CellSignalStrengthWcdma: ss=2147483647 ber=2147483647 rscp=2147483647 ecn

o=2147483647 miuiLevel=0 level=0,mTdscdma=CellSignalStrengthTdscdma: rssi=2147483647 ber=2147483647 rscp=2147483647 miuiLevel=0 level=0,mLte=CellSignalStrengt

hLte: rssi=-75 rsrp=-110 rsrq=-18 rssnr=-44 cqi=2147483647 ta=2147483647 miuiLevel=3 level=0,mNr=CellSignalStrengthNr:{ csiRsrp = 2147483647 csiRsrq = 2147483

647 csiSinr = 2147483647 ssRsrp = 2147483647 ssRsrq = 2147483647 ssSinr = 2147483647 miuiLevel = 0 level = 0 },primary=CellSignalStrengthLte}

01-30 11:09:22.908  2294  2720 D TelephonyIcons: null signal icon name: drawable/stat_sys_signal_null

01-30 11:09:22.909  2294  2720 D TelephonyIcons: getDataTypeIcon sub=1

01-30 11:09:22.911  2294  2294 D SignalClusterView: updateMobileTypeImage  0

01-30 11:09:22.915  2294  2294 I chatty  : uid=1000(system) com.android.systemui identical 6 lines

01-30 11:09:22.915  2294  2294 D SignalClusterView: updateMobileTypeImage  0

01-30 11:09:23.638  4250  4250 I CNSS    : Failed to send nl message

01-30 11:09:23.958  4250  4250 I chatty  : uid=1000(system) /system/vendor/bin/cnss_diag identical 10 lines

01-30 11:09:23.961  4250  4250 I CNSS    : Failed to send nl message

01-30 11:09:24.324  2294  2720 D MobileSignalController: onSignalStrengthsChanged: SignalStrength:{mCdma=CellSignalStrengthCdma: cdmaDbm=2147483647 cdmaEcio=2

147483647 evdoDbm=2147483647 evdoEcio=2147483647 evdoSnr=2147483647 miuiLevel=0 level=0,mGsm=CellSignalStrengthGsm: rssi=2147483647 ber=2147483647 mTa=2147483

647 miuiLevel=0 mLevel=0,mWcdma=CellSignalStrengthWcdma: ss=2147483647 ber=2147483647 rscp=2147483647 ecno=2147483647 miuiLevel=0 level=0,mTdscdma=CellSignalS

trengthTdscdma: rssi=2147483647 ber=2147483647 rscp=2147483647 miuiLevel=0 level=0,mLte=CellSignalStrengthLte: rssi=-73 rsrp=-110 rsrq=-12 rssnr=-44 cqi=21474

83647 ta=2147483647 miuiLevel=3 level=0,mNr=CellSignalStrengthNr:{ csiRsrp = 2147483647 csiRsrq = 2147483647 csiSinr = 2147483647 ssRsrp = 2147483647 ssRsrq =

 2147483647 ssSinr = 2147483647 miuiLevel = 0 level = 0 },primary=CellSignalStrengthLte}

01-30 11:09:24.324  2294  2720 D NetworkController.MobileSignalController(1): 4G level = 3

01-30 11:09:24.339  2294  2720 D MobileSignalController: onSignalStrengthsChanged: SignalStrength:{mCdma=CellSignalStrengthCdma: cdmaDbm=2147483647 cdmaEcio=2

147483647 evdoDbm=2147483647 evdoEcio=2147483647 evdoSnr=2147483647 miuiLevel=0 level=0,mGsm=CellSignalStrengthGsm: rssi=2147483647 ber=2147483647 mTa=2147483

647 miuiLevel=0 mLevel=0,mWcdma=CellSignalStrengthWcdma: ss=2147483647 ber=2147483647 rscp=2147483647 ecno=2147483647 miuiLevel=0 level=0,mTdscdma=CellSignalS

trengthTdscdma: rssi=2147483647 ber=2147483647 rscp=2147483647 miuiLevel=0 level=0,mLte=CellSignalStrengthLte: rssi=-55 rsrp=-85 rsrq=-10 rssnr=88 cqi=2147483

647 ta=2147483647 miuiLevel=5 level=3,mNr=CellSignalStrengthNr:{ csiRsrp = 2147483647 csiRsrq = 2147483647 csiSinr = 2147483647 ssRsrp = 2147483647 ssRsrq = 2

147483647 ssSinr = 2147483647 miuiLevel = 0 level = 0 },primary=CellSignalStrengthLte}

01-30 11:09:22.908  2294  2720 D TelephonyIcons: null signal icon name: drawable/stat_sys_signal_null

01-30 11:09:22.909  2294  2720 D TelephonyIcons: getDataTypeIcon sub=1

01-30 11:09:22.911  2294  2294 D SignalClusterView: updateMobileTypeImage  0

01-30 11:09:22.915  2294  2294 I chatty  : uid=1000(system) com.android.systemui identical 6 lines

01-30 11:09:22.915  2294  2294 D SignalClusterView: updateMobileTypeImage  0

01-30 11:09:23.638  4250  4250 I CNSS    : Failed to send nl message

01-30 11:09:23.958  4250  4250 I chatty  : uid=1000(system) /system/vendor/bin/cnss_diag identical 10 lines

01-30 11:09:23.961  4250  4250 I CNSS    : Failed to send nl message

01-30 11:09:24.324  2294  2720 D MobileSignalController: onSignalStrengthsChanged: SignalStrength:{mCdma=CellSignalStrengthCdma: cdmaDbm=2147483647 cdmaEcio=2

147483647 evdoDbm=2147483647 evdoEcio=2147483647 evdoSnr=2147483647 miuiLevel=0 level=0,mGsm=CellSignalStrengthGsm: rssi=2147483647 ber=2147483647 mTa=2147483

647 miuiLevel=0 mLevel=0,mWcdma=CellSignalStrengthWcdma: ss=2147483647 ber=2147483647 rscp=2147483647 ecno=2147483647 miuiLevel=0 level=0,mTdscdma=CellSignalS

trengthTdscdma: rssi=2147483647 ber=2147483647 rscp=2147483647 miuiLevel=0 level=0,mLte=CellSignalStrengthLte: rssi=-73 rsrp=-110 rsrq=-12 rssnr=-44 cqi=21474

83647 ta=2147483647 miuiLevel=3 level=0,mNr=CellSignalStrengthNr:{ csiRsrp = 2147483647 csiRsrq = 2147483647 csiSinr = 2147483647 ssRsrp = 2147483647 ssRsrq =

 2147483647 ssSinr = 2147483647 miuiLevel = 0 level = 0 },primary=CellSignalStrengthLte}

01-30 11:09:24.324  2294  2720 D NetworkController.MobileSignalController(1): 4G level = 3

01-30 11:09:24.339  2294  2720 D MobileSignalController: onSignalStrengthsChanged: SignalStrength:{mCdma=CellSignalStrengthCdma: cdmaDbm=2147483647 cdmaEcio=2

147483647 evdoDbm=2147483647 evdoEcio=2147483647 evdoSnr=2147483647 miuiLevel=0 level=0,mGsm=CellSignalStrengthGsm: rssi=2147483647 ber=2147483647 mTa=2147483

647 miuiLevel=0 mLevel=0,mWcdma=CellSignalStrengthWcdma: ss=2147483647 ber=2147483647 rscp=2147483647 ecno=2147483647 miuiLevel=0 level=0,mTdscdma=CellSignalS

trengthTdscdma: rssi=2147483647 ber=2147483647 rscp=2147483647 miuiLevel=0 level=0,mLte=CellSignalStrengthLte: rssi=-55 rsrp=-85 rsrq=-10 rssnr=88 cqi=2147483

647 ta=2147483647 miuiLevel=5 level=3,mNr=CellSignalStrengthNr:{ csiRsrp = 2147483647 csiRsrq = 2147483647 csiSinr = 2147483647 ssRsrp = 2147483647 ssRsrq = 2

147483647 ssSinr = 2147483647 miuiLevel = 0 level = 0 },primary=CellSignalStrengthLte}

[Suzuki Tomohiro]

Logcat should show “flutter” for logs from Flutter application. Do you see any lines that contain “flutter”?

To view this discussion on the web visit https://groups.google.com/d/msgid/flutter-dev/641db26f-d1d1-4447-a9d4-7b788ab31373n%40googlegroups.com.

[Rithesh R]

try running application and give logs.

[palak pandey]

below is the log when i run app in build mode -:

C:\Users\PALAK\AndroidStudioProjects\hitch_fun1>flutter run --release

Running "flutter pub get" in hitch_fun1...                          0.7s

Launching lib\main.dart on Redmi Note 7 Pro in release mode...

Note: Some input files use or override a deprecated API.

Note: Recompile with -Xlint:deprecation for details.

Note: C:\Src\flutter\.pub-cache\hosted\pub.dartlang.org\multi_image_picker-4.7.14\android\src\main\java\com\vitanov\multiimagepicker\FileDirectory.java uses o

r overrides a deprecated API.

Note: Recompile with -Xlint:deprecation for details.

Note: C:\Src\flutter\.pub-cache\hosted\pub.dartlang.org\geolocator-5.3.2+2\android\src\main\java\com\baseflow\geolocator\tasks\LocationUpdatesUsingLocationMan

agerTask.java uses or overrides a deprecated API.

Note: Recompile with -Xlint:deprecation for details.

Note: C:\Src\flutter\.pub-cache\hosted\pub.dartlang.org\firebase_core-0.6.0\android\src\main\java\io\flutter\plugins\firebase\core\FlutterFirebaseCorePlugin.j

ava uses or overrides a deprecated API.

Note: Recompile with -Xlint:deprecation for details.

Note: C:\Src\flutter\.pub-cache\hosted\pub.dartlang.org\cloud_firestore-0.15.0\android\src\main\java\io\flutter\plugins\firebase\firestore\streamhandler\Trans

actionStreamHandler.java uses unchecked or unsafe operations.

Note: Recompile with -Xlint:unchecked for details.

Running Gradle task 'assembleRelease'...

Running Gradle task 'assembleRelease'... Done                     113.9s

√ Built build\app\outputs\flutter-apk\app-release.apk (45.3MB).

Installing build\app\outputs\flutter-apk\app.apk...                27.6s

Flutter run key commands.

h Repeat this help message.

c Clear the screen

q Quit (terminate the application on the device).

I/flutter ( 8752):

[palak pandey]

this is log where my app is running -

Launching lib\main.dart on Redmi Note 7 Pro in debug mode...

Running Gradle task 'assembleDebug'...

Note: C:\Src\flutter\.pub-cache\hosted\pub.dartlang.org\firebase_core-0.6.0\android\src\main\java\io\flutter\plugins\firebase\core\FlutterFirebaseCorePlugin.java uses or overrides a deprecated API.

Note: Recompile with -Xlint:deprecation for details.

Note: Some input files use or override a deprecated API.

Note: Recompile with -Xlint:deprecation for details.

Note: C:\Src\flutter\.pub-cache\hosted\pub.dartlang.org\cloud_firestore-0.15.0\android\src\main\java\io\flutter\plugins\firebase\firestore\streamhandler\TransactionStreamHandler.java uses unchecked or unsafe operations.

Note: Recompile with -Xlint:unchecked for details.

Note: C:\Src\flutter\.pub-cache\hosted\pub.dartlang.org\geolocator-5.3.2+2\android\src\main\java\com\baseflow\geolocator\tasks\LocationUpdatesUsingLocationManagerTask.java uses or overrides a deprecated API.

Note: Recompile with -Xlint:deprecation for details.

Note: C:\Src\flutter\.pub-cache\hosted\pub.dartlang.org\multi_image_picker-4.7.14\android\src\main\java\com\vitanov\multiimagepicker\FileDirectory.java uses or overrides a deprecated API.

Note: Recompile with -Xlint:deprecation for details.

√ Built build\app\outputs\flutter-apk\app-debug.apk.

Installing build\app\outputs\flutter-apk\app.apk...

Uninstalling old version...

Error: ADB exited with exit code 1

Performing Streamed Install

adb: failed to install C:\Users\PALAK\AndroidStudioProjects\hitch_fun1\build\app\outputs\flutter-apk\app.apk: Failure [INSTALL_FAILED_UPDATE_INCOMPATIBLE: Package com.example.hitch_fun1 signatures do not match previously installed version; ignoring!]

Installing build\app\outputs\flutter-apk\app.apk...

Waiting for Redmi Note 7 Pro to report its views...

Debug service listening on ws://127.0.0.1:58650/hAMjrFP96JY=/ws

Syncing files to device Redmi Note 7 Pro...

W/Gralloc3(18403): mapper 3.x is not supported

I/Choreographer(18403): Skipped 41 frames!  The application may be doing too much work on its main thread.

W/Looper  (18403): Slow Looper main: doFrame is 684ms late because of 7 msg, msg 1 took 679ms (seq=22 running=29ms runnable=19ms io=37ms late=52ms h=android.view.Choreographer$FrameHandler c=android.view.Choreographer$FrameDisplayEventReceiver)

E/FlutterFcmService(18403): Fatal: failed to find callback

W/ConnectionTracker(18403): Exception thrown while unbinding

W/ConnectionTracker(18403): java.lang.IllegalArgumentException: Service not registered: ls@f680667

W/ConnectionTracker(18403): at android.app.LoadedApk.forgetServiceDispatcher(LoadedApk.java:1759)

W/ConnectionTracker(18403): at android.app.ContextImpl.unbindService(ContextImpl.java:1786)

W/ConnectionTracker(18403): at android.content.ContextWrapper.unbindService(ContextWrapper.java:751)

W/ConnectionTracker(18403): at ci.f(:com.google.android.gms.dynamite_measurementdynamite@205016081@20.50.16 (120400-0):1)

W/ConnectionTracker(18403): at ci.d(:com.google.android.gms.dynamite_measurementdynamite@205016081@20.50.16 (120400-0):2)

W/ConnectionTracker(18403): at lt.E(:com.google.android.gms.dynamite_measurementdynamite@205016081@20.50.16 (120400-0):9)

W/ConnectionTracker(18403): at ld.a(:com.google.android.gms.dynamite_measurementdynamite@205016081@20.50.16 (120400-0):3)

W/ConnectionTracker(18403): at ef.run(:com.google.android.gms.dynamite_measurementdynamite@205016081@20.50.16 (120400-0):3)

W/ConnectionTracker(18403): at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:462)

W/ConnectionTracker(18403): at java.util.concurrent.FutureTask.run(FutureTask.java:266)

W/ConnectionTracker(18403): at iy.run(:com.google.android.gms.dynamite_measurementdynamite@205016081@20.50.16 (120400-0):5)

I/mple.hitch_fun(18403): ProcessProfilingInfo new_methods=3062 is saved saved_to_disk=1 resolve_classes_delay=8000