Gradle task assembleDebug failed with exit code 1
#0 throwToolExit (package:flutter_tools/src/base/common.dart:28:3)
#1 _buildGradleProjectV2 (package:flutter_tools/src/android/gradle.dart:751:5) <asynchronous
suspension>
#2 buildGradleProject (package:flutter_tools/src/android/gradle.dart:494:14) <asynchronous
suspension>
#3 buildApk (package:flutter_tools/src/android/apk.dart:34:9) <asynchronous suspension>
#4 AndroidDevice.startApp (package:flutter_tools/src/android/android_device.dart:486:13)
<asynchronous suspension>
#5 FlutterDevice.runHot (package:flutter_tools/src/resident_runner.dart:378:54) <asynchronous
suspension>
#6 HotRunner.run (package:flutter_tools/src/run_hot.dart:254:39) <asynchronous suspension>
#7 RunCommand.runCommand (package:flutter_tools/src/commands/run.dart:472:37) <asynchronous
suspension>
#8 FlutterCommand.verifyThenRunCommand (package:flutter_tools/src/runner/flutter_command.dart:490:18)
#9 _asyncThenWrapperHelper.<anonymous closure> (dart:async-patch/async_patch.dart:71:64)
#10 _rootRunUnary (dart:async/zone.dart:1132:38)
#11 _CustomZone.runUnary (dart:async/zone.dart:1029:19)
#12 _FutureListener.handleValue (dart:async/future_impl.dart:137:18)
#13 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:678:45)
#14 Future._propagateToListeners (dart:async/future_impl.dart:707:32)
#15 Future._completeWithValue (dart:async/future_impl.dart:522:5)
#16 _AsyncAwaitCompleter.complete (dart:async-patch/async_patch.dart:30:15)
#17 _completeOnAsyncReturn (dart:async-patch/async_patch.dart:288:13)
#18 RunCommand.usageValues (package:flutter_tools/src/commands/run.dart)
#19 _asyncThenWrapperHelper.<anonymous closure> (dart:async-patch/async_patch.dart:71:64)
#20 _rootRunUnary (dart:async/zone.dart:1132:38)
#21 _CustomZone.runUnary (dart:async/zone.dart:1029:19)
#22 _FutureListener.handleValue (dart:async/future_impl.dart:137:18)
#23 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:678:45)
#24 Future._propagateToListeners (dart:async/future_impl.dart:707:32)
#25 Future._completeWithValue (dart:async/future_impl.dart:522:5)
#26 _AsyncAwaitCompleter.complete (dart:async-patch/async_patch.dart:30:15)
#27 _completeOnAsyncReturn (dart:async-patch/async_patch.dart:288:13)
#28 AndroidDevice.isLocalEmulator (package:flutter_tools/src/android/android_device.dart)
#29 _asyncThenWrapperHelper.<anonymous closure> (dart:async-patch/async_patch.dart:71:64)
#30 _rootRunUnary (dart:async/zone.dart:1132:38)
#31 _CustomZone.runUnary (dart:async/zone.dart:1029:19)
#32 _FutureListener.handleValue (dart:async/future_impl.dart:137:18)
#33 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:678:45)
#34 Future._propagateToListeners (dart:async/future_impl.dart:707:32)
#35 Future._completeWithValue (dart:async/future_impl.dart:522:5)
#36 Future._asyncComplete.<anonymous closure> (dart:async/future_impl.dart:552:7)
#37 _rootRun (dart:async/zone.dart:1124:13)
#38 _CustomZone.run (dart:async/zone.dart:1021:19)
#39 _CustomZone.runGuarded (dart:async/zone.dart:923:7)
#40 _CustomZone.bindCallbackGuarded.<anonymous closure> (dart:async/zone.dart:963:23)
#41 _microtaskLoop (dart:async/schedule_microtask.dart:41:21)
#42 _startMicrotaskLoop (dart:async/schedule_microtask.dart:50:5)
#43 _runPendingImmediateCallback (dart:isolate-patch/isolate_patch.dart:116:13)
#44 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:173:5)
当我运行“ flutter run -v”时，这详细说明了为什么我的应用程序 没有显示在我的设备上。我不明白那是什么意思，也许 有人可以帮助我吗？
答案 0 :(得分：0)
设置运行或调试仿真器设备
$ flutter emulators您的模拟器列表
$ flutter emulators --launch Nexus_5X_API_28 Nexus_5X_API_28是您启动模拟器（Android或iOS模拟器）
$ flutter run -v
祝你好运