希望有人可以帮助我解决这个问题。我已经在Ionic论坛上寻求帮助，但尚未得到答复。这是我发给他们的东西：
可以告诉我如何解决此问题。我正在尝试将本机电子邮件插件与ionic 4项目一起使用，并且一旦尝试在设备上运行我的项目，就会收到以下控制台错误
C:\Users\APPS\.gradle\caches\transforms-1\files-1.1\support-compat-27.1.1.aar\742c3f5a4b24788341203c644a0d51f5\res\value
s-v21\values-v21.xml:3:5-104: AAPT: error: resource color/secondary_text_default_material_light (aka io.ionic.starter:co
lor/secondary_text_default_material_light) not found.
C:\Users\APPS\.gradle\caches\transforms-1\files-1.1\support-compat-27.1.1.aar\742c3f5a4b24788341203c644a0d51f5\res\value
s-v21\values-v21.xml:14:5-18:13: AAPT: error: resource drawable/notification_action_background (aka io.ionic.starter:dra
wable/notification_action_background) not found.
C:\Users\APPS\workspace-ionic\email-test\platforms\android\app\build\intermediates\incremental\mergeDebugResources\merge
d.dir\values-v21\values-v21.xml:28: AAPT: error: resource color/secondary_text_default_material_light (aka io.ionic.star
ter:color/secondary_text_default_material_light) not found.
C:\Users\APPS\workspace-ionic\email-test\platforms\android\app\build\intermediates\incremental\mergeDebugResources\merge
d.dir\values-v21\values-v21.xml:29: AAPT: error: resource dimen/notification_action_text_size (aka io.ionic.starter:dime
n/notification_action_text_size) not found.
C:\Users\APPS\workspace-ionic\email-test\platforms\android\app\build\intermediates\incremental\mergeDebugResources\merge
d.dir\values-v21\values-v21.xml:3: error: resource color/secondary_text_default_material_light (aka io.ionic.starter:col
or/secondary_text_default_material_light) not found.
C:\Users\APPS\workspace-ionic\email-test\platforms\android\app\build\intermediates\incremental\mergeDebugResources\merge
d.dir\values-v21\values-v21.xml:24: error: resource drawable/notification_action_background (aka io.ionic.starter:drawab
le/notification_action_background) not found.
C:\Users\APPS\workspace-ionic\email-test\platforms\android\app\build\intermediates\incremental\mergeDebugResources\merge
d.dir\values-v21\values-v21.xml:28: error: resource color/secondary_text_default_material_light (aka io.ionic.starter:co
lor/secondary_text_default_material_light) not found.
C:\Users\APPS\workspace-ionic\email-test\platforms\android\app\build\intermediates\incremental\mergeDebugResources\merge
d.dir\values-v21\values-v21.xml:29: error: resource dimen/notification_action_text_size (aka io.ionic.starter:dimen/noti
fication_action_text_size) not found.
error: failed linking references.
Failed to execute aapt
:app:processDebugResources FAILED
com.android.ide.common.process.ProcessException: Failed to execute aapt
at com.android.builder.core.AndroidBuilder.processResources(AndroidBuilder.java:796)
at com.android.build.gradle.tasks.ProcessAndroidResources.invokeAaptForSplit(ProcessAndroidResources.java:551)
at com.android.build.gradle.tasks.ProcessAndroidResources.doFullTaskAction(ProcessAndroidResources.java:285)
at com.android.build.gradle.internal.tasks.IncrementalTask.taskAction(IncrementalTask.java:109)
at sun.reflect.GeneratedMethodAccessor184.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:73)
at org.gradle.api.internal.project.taskfactory.DefaultTaskClassInfoStore$IncrementalTaskAction.doExecute(Default
TaskClassInfoStore.java:173)
at org.gradle.api.internal.project.taskfactory.DefaultTaskClassInfoStore$StandardTaskAction.execute(DefaultTaskC
lassInfoStore.java:134)
at org.gradle.api.internal.project.taskfactory.DefaultTaskClassInfoStore$StandardTaskAction.execute(DefaultTaskC
lassInfoStore.java:121)
at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter$1.run(ExecuteActionsTaskExecuter.java:122)
at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildO
perationExecutor.java:336)
at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildO
perationExecutor.java:328)
at org.gradle.internal.progress.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:197)
at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:107)
at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeAction(ExecuteActionsTaskExecuter.j
ava:111)
at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.
java:92)
at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:70
)
at org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter.execute(SkipUpToDateTaskExecuter.java:63)
at org.gradle.api.internal.tasks.execution.ResolveTaskOutputCachingStateExecuter.execute(ResolveTaskOutputCachin
gStateExecuter.java:54)
at org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute(ValidatingTaskExecuter.java:58)
at org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecuter.execute(SkipEmptySourceFilesTaskExec
uter.java:88)
at org.gradle.api.internal.tasks.execution.ResolveTaskArtifactStateTaskExecuter.execute(ResolveTaskArtifactState
TaskExecuter.java:52)
at org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.j
ava:52)
at org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:54)
at org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter.execute(ExecuteAtMostOnceTaskExecuter.j
ava:43)
at org.gradle.api.internal.tasks.execution.CatchExceptionTaskExecuter.execute(CatchExceptionTaskExecuter.java:34
)
at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker$1.run(DefaultTaskGraphExecuter.
java:248)
at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildO
perationExecutor.java:336)
at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildO
perationExecutor.java:328)
at org.gradle.internal.progress.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:197)
at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:107)
at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecute
r.java:241)
at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecute
r.java:230)
at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker.processTask(DefaultTaskPlanExecutor
.java:124)
at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker.access$200(DefaultTaskPlanExecutor.
java:80)
at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker$1.execute(DefaultTaskPlanExecutor.j
ava:105)
at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker$1.execute(DefaultTaskPlanExecutor.j
ava:99)
at org.gradle.execution.taskgraph.DefaultTaskExecutionPlan.execute(DefaultTaskExecutionPlan.java:625)
at org.gradle.execution.taskgraph.DefaultTaskExecutionPlan.executeWithTask(DefaultTaskExecutionPlan.java:580)
at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker.run(DefaultTaskPlanExecutor.java:99
)
at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:63)
at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:46)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:55)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.util.concurrent.ExecutionException: java.util.concurrent.ExecutionException: com.android.tools.aapt2.Aap
t2Exception: AAPT2 error: check logs for details
at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:503)
at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:482)
at com.google.common.util.concurrent.AbstractFuture$TrustedFuture.get(AbstractFuture.java:79)
at com.android.builder.core.AndroidBuilder.processResources(AndroidBuilder.java:794)
... 47 more
Caused by: java.util.concurrent.ExecutionException: com.android.tools.aapt2.Aapt2Exception: AAPT2 error: check logs for
details
at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:503)
at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:462)
at com.google.common.util.concurrent.AbstractFuture$TrustedFuture.get(AbstractFuture.java:79)
at com.android.builder.internal.aapt.v2.QueueableAapt2.lambda$makeValidatedPackage$1(QueueableAapt2.java:179)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
... 1 more
Caused by: com.android.tools.aapt2.Aapt2Exception: AAPT2 error: check logs for details
at com.android.builder.png.AaptProcess$NotifierProcessOutput.handleOutput(AaptProcess.java:463)
at com.android.builder.png.AaptProcess$NotifierProcessOutput.err(AaptProcess.java:415)
at com.android.builder.png.AaptProcess$ProcessOutputFacade.err(AaptProcess.java:332)
at com.android.utils.GrabProcessOutput$1.run(GrabProcessOutput.java:104)
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':app:processDebugResources'.
> Failed to execute aapt
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
* Get more help at https://help.gradle.org
BUILD FAILED in 9s
25 actionable tasks: 5 executed, 20 up-to-date
cmd: Command failed with exit code 1 Error output:
C:\Users\APPS\.gradle\caches\transforms-1\files-1.1\support-compat-27.1.1.aar\742c3f5a4b24788341203c644a0d51f5\res\value
s-v21\values-v21.xml:3:5-104: AAPT: error: resource color/secondary_text_default_material_light (aka io.ionic.starter:co
lor/secondary_text_default_material_light) not found.
C:\Users\APPS\.gradle\caches\transforms-1\files-1.1\support-compat-27.1.1.aar\742c3f5a4b24788341203c644a0d51f5\res\value
s-v21\values-v21.xml:14:5-18:13: AAPT: error: resource drawable/notification_action_background (aka io.ionic.starter:dra
wable/notification_action_background) not found.
C:\Users\APPS\workspace-ionic\email-test\platforms\android\app\build\intermediates\incremental\mergeDebugResources\merge
d.dir\values-v21\values-v21.xml:28: AAPT: error: resource color/secondary_text_default_material_light (aka io.ionic.star
ter:color/secondary_text_default_material_light) not found.
C:\Users\APPS\workspace-ionic\email-test\platforms\android\app\build\intermediates\incremental\mergeDebugResources\merge
d.dir\values-v21\values-v21.xml:29: AAPT: error: resource dimen/notification_action_text_size (aka io.ionic.starter:dime
n/notification_action_text_size) not found.
C:\Users\APPS\workspace-ionic\email-test\platforms\android\app\build\intermediates\incremental\mergeDebugResources\merge
d.dir\values-v21\values-v21.xml:3: error: resource color/secondary_text_default_material_light (aka io.ionic.starter:col
or/secondary_text_default_material_light) not found.
C:\Users\APPS\workspace-ionic\email-test\platforms\android\app\build\intermediates\incremental\mergeDebugResources\merge
d.dir\values-v21\values-v21.xml:24: error: resource drawable/notification_action_background (aka io.ionic.starter:drawab
le/notification_action_background) not found.
C:\Users\APPS\workspace-ionic\email-test\platforms\android\app\build\intermediates\incremental\mergeDebugResources\merge
d.dir\values-v21\values-v21.xml:28: error: resource color/secondary_text_default_material_light (aka io.ionic.starter:co
lor/secondary_text_default_material_light) not found.
C:\Users\APPS\workspace-ionic\email-test\platforms\android\app\build\intermediates\incremental\mergeDebugResources\merge
d.dir\values-v21\values-v21.xml:29: error: resource dimen/notification_action_text_size (aka io.ionic.starter:dimen/noti
fication_action_text_size) not found.
error: failed linking references.
Failed to execute aapt
com.android.ide.common.process.ProcessException: Failed to execute aapt
at com.android.builder.core.AndroidBuilder.processResources(AndroidBuilder.java:796)
at com.android.build.gradle.tasks.ProcessAndroidResources.invokeAaptForSplit(ProcessAndroidResources.java:551)
at com.android.build.gradle.tasks.ProcessAndroidResources.doFullTaskAction(ProcessAndroidResources.java:285)
at com.android.build.gradle.internal.tasks.IncrementalTask.taskAction(IncrementalTask.java:109)
at sun.reflect.GeneratedMethodAccessor184.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:73)
at org.gradle.api.internal.project.taskfactory.DefaultTaskClassInfoStore$IncrementalTaskAction.doExecute(Default
TaskClassInfoStore.java:173)
at org.gradle.api.internal.project.taskfactory.DefaultTaskClassInfoStore$StandardTaskAction.execute(DefaultTaskC
lassInfoStore.java:134)
at org.gradle.api.internal.project.taskfactory.DefaultTaskClassInfoStore$StandardTaskAction.execute(DefaultTaskC
lassInfoStore.java:121)
at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter$1.run(ExecuteActionsTaskExecuter.java:122)
at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildO
perationExecutor.java:336)
at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildO
perationExecutor.java:328)
at org.gradle.internal.progress.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:197)
at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:107)
at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeAction(ExecuteActionsTaskExecuter.j
ava:111)
at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.
java:92)
at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:70
)
at org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter.execute(SkipUpToDateTaskExecuter.java:63)
at org.gradle.api.internal.tasks.execution.ResolveTaskOutputCachingStateExecuter.execute(ResolveTaskOutputCachin
gStateExecuter.java:54)
at org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute(ValidatingTaskExecuter.java:58)
at org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecuter.execute(SkipEmptySourceFilesTaskExec
uter.java:88)
at org.gradle.api.internal.tasks.execution.ResolveTaskArtifactStateTaskExecuter.execute(ResolveTaskArtifactState
TaskExecuter.java:52)
at org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.j
ava:52)
at org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:54)
at org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter.execute(ExecuteAtMostOnceTaskExecuter.j
ava:43)
at org.gradle.api.internal.tasks.execution.CatchExceptionTaskExecuter.execute(CatchExceptionTaskExecuter.java:34
)
at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker$1.run(DefaultTaskGraphExecuter.
java:248)
at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildO
perationExecutor.java:336)
at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildO
perationExecutor.java:328)
at org.gradle.internal.progress.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:197)
at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:107)
at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecute
r.java:241)
at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecute
r.java:230)
at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker.processTask(DefaultTaskPlanExecutor
.java:124)
at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker.access$200(DefaultTaskPlanExecutor.
java:80)
at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker$1.execute(DefaultTaskPlanExecutor.j
ava:105)
at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker$1.execute(DefaultTaskPlanExecutor.j
ava:99)
at org.gradle.execution.taskgraph.DefaultTaskExecutionPlan.execute(DefaultTaskExecutionPlan.java:625)
at org.gradle.execution.taskgraph.DefaultTaskExecutionPlan.executeWithTask(DefaultTaskExecutionPlan.java:580)
at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker.run(DefaultTaskPlanExecutor.java:99
)
at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:63)
at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:46)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:55)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.util.concurrent.ExecutionException: java.util.concurrent.ExecutionException: com.android.tools.aapt2.Aap
t2Exception: AAPT2 error: check logs for details
at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:503)
at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:482)
at com.google.common.util.concurrent.AbstractFuture$TrustedFuture.get(AbstractFuture.java:79)
at com.android.builder.core.AndroidBuilder.processResources(AndroidBuilder.java:794)
... 47 more
Caused by: java.util.concurrent.ExecutionException: com.android.tools.aapt2.Aapt2Exception: AAPT2 error: check logs for
details
at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:503)
at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:462)
at com.google.common.util.concurrent.AbstractFuture$TrustedFuture.get(AbstractFuture.java:79)
at com.android.builder.internal.aapt.v2.QueueableAapt2.lambda$makeValidatedPackage$1(QueueableAapt2.java:179)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
... 1 more
Caused by: com.android.tools.aapt2.Aapt2Exception: AAPT2 error: check logs for details
at com.android.builder.png.AaptProcess$NotifierProcessOutput.handleOutput(AaptProcess.java:463)
at com.android.builder.png.AaptProcess$NotifierProcessOutput.err(AaptProcess.java:415)
at com.android.builder.png.AaptProcess$ProcessOutputFacade.err(AaptProcess.java:332)
at com.android.utils.GrabProcessOutput$1.run(GrabProcessOutput.java:104)
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':app:processDebugResources'.
> Failed to execute aapt
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
* Get more help at https://help.gradle.org
BUILD FAILED in 9s
[ERROR] An error occurred while running subprocess cordova.
cordova run android exited with exit code 1.
我正在使用Android SDK Build-Tools 29-rc1 我有每个支持库，除了我的Gradle版本是5.2.1以外，所有内容都是最新的。它只是一个版本，但我不认为这是问题所在。此外，这是我的项目信息：
Ionic:
ionic (Ionic CLI) : 4.12.0 (C:\Users\APPS\AppData\Roaming\npm\node_modules\ionic)
Ionic Framework : @ionic/angular 4.1.2
@angular-devkit/build-angular : 0.13.6
@angular-devkit/schematics : 7.2.4
@angular/cli : 7.3.6
@ionic/angular-toolkit : 1.4.1
Cordova:
cordova (Cordova CLI) : 8.1.2 (cordova-lib@8.1.1)
Cordova Platforms : android 7.1.4
Cordova Plugins : cordova-plugin-ionic-keyboard 2.1.3, cordova-plugin-ionic-webview 3.1.2, (and 5 other plugins)
System:
Android SDK Tools : 26.1.1 (C:\Users\APPS\AppData\Local\Android\sdk)
NodeJS : v10.10.0 (C:\Program Files\nodejs\node.exe)
npm : 6.4.1
OS : Windows 10
任何指导将不胜感激。
答案 0 :(得分：0)
我能够自己解决这个问题。我删除了gradle缓存文件夹中的所有内容。