Ionic android build getting failed with error --font variation settings not found, even cordova-support-gradle-release is installed

Question

I am trying to build apk,It was working week before, and now the same code i am trying to build its showing error --fontVariation settings not found/error: failed linking references. I dont know where i am wrong.

I have already installed, cordova-android-support-gradle-release, even this not helping.

I got some hacks, like changing in build.gradle file. Since i am using ionic, its not good practice to make change in platform. Can any one please help me with this.

Here you can find my ionic info

cli packages: (/usr/local/lib/node_modules)

@ionic/cli-utils  : 1.19.2
ionic (Ionic CLI) : 3.20.0

global packages:

cordova (Cordova CLI) : 8.1.2 (cordova-lib@8.1.1)

local packages:

@ionic/app-scripts : 3.2.4
Cordova Platforms  : android 7.1.4
Ionic Framework    : ionic-angular 3.9.2

System:

Android SDK Tools : 26.1.1
Node              : v10.15.3
npm               : 6.5.0 
OS                : Linux 4.15

Environment Variables:

ANDROID_HOME : /home/sattey/Android/Sdk/

Misc:

backend : pro

////////////////////////////////////////////////////////

This is the error log:

:app:splitsDiscoveryTaskDebug

:app:processDebugResources
/home/sattey/.gradle/caches/transforms-1/files-1.1/appcompat-v7-27.1.1.aar/bb55b06457401fc3ca8fde4b6066a62d/res/values/values.xml:251:5-69: AAPT: error: resource android:attr/fontVariationSettings not found.

/home/sattey/.gradle/caches/transforms-1/files-1.1/appcompat-v7-27.1.1.aar/bb55b06457401fc3ca8fde4b6066a62d/res/values/values.xml:251:5-69: AAPT: error: resource android:attr/ttcIndex not found.

/home/sattey/Desktop/fantasy/Game11-APP/platforms/android/app/build/intermediates/incremental/mergeDebugResources/merged.dir/values/values.xml:362: error: resource android:attr/fontVariationSettings not found.
/home/sattey/Desktop/fantasy/Game11-APP/platforms/android/app/build/intermediates/incremental/mergeDebugResources/merged.dir/values/values.xml:362: error: resource android:attr/ttcIndex 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 org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:73)
    at org.gradle.api.internal.project.taskfactory.DefaultTaskClassInfoStore$IncrementalTaskAction.doExecute(DefaultTaskClassInfoStore.java:173)
    at org.gradle.api.internal.project.taskfactory.DefaultTaskClassInfoStore$StandardTaskAction.execute(DefaultTaskClassInfoStore.java:134)
    at org.gradle.api.internal.project.taskfactory.DefaultTaskClassInfoStore$StandardTaskAction.execute(DefaultTaskClassInfoStore.java:121)
    at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter$1.run(ExecuteActionsTaskExecuter.java:122)
    at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:336)
    at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:328)
    at org.gradle.internal.progress.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:197)
    at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:107)
    at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeAction(ExecuteActionsTaskExecuter.java:111)
    at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:92)
    at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:70)
    at org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter.execute(SkipUpToDateTaskExecuter.java:63)
    at org.gradle.api.internal.tasks.execution.ResolveTaskOutputCachingStateExecuter.execute(ResolveTaskOutputCachingStateExecuter.java:54)
    at org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute(ValidatingTaskExecuter.java:58)
    at org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecuter.execute(SkipEmptySourceFilesTaskExecuter.java:88)
    at org.gradle.api.internal.tasks.execution.ResolveTaskArtifactStateTaskExecuter.execute(ResolveTaskArtifactStateTaskExecuter.java:52)
    at org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:52)
    at org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:54)
    at org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter.execute(ExecuteAtMostOnceTaskExecuter.java:43)
        at org.gradle.api.internal.tasks.execution.CatchExceptionTaskExecuter.execute(CatchExceptionTaskExecuter.java:34)
    at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker$1.run(DefaultTaskGraphExecuter.java:248)
    at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:336)
    at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:328)
    at org.gradle.internal.progress.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:197)
    at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:107)
    at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecuter.java:241)
    at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecuter.java:230)
    at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker.processTask(DefaultTaskPlanExecutor.java:124)
    at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker.access$200(DefaultTaskPlanExecutor.java:80)
    at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker$1.execute(DefaultTaskPlanExecutor.java:105)
    at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker$1.execute(DefaultTaskPlanExecutor.java:99)
    at org.gradle.execution.taskgraph.DefaultTaskExecutionPlan.execute(DefaultTaskExecutionPlan.java:625)
    at org.gradle.execution.taskgraph.DefaultTaskExecutionPlan.executeWithTask(DefaultTaskExecutionPlan.java:580)
    at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker.run(DefaultTaskPlanExecutor.java:99)
    at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:63)
        at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:46)
    at org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:55)
Caused by: java.util.concurrent.ExecutionException: 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:482)
    at com.google.common.util.concurrent.AbstractFuture$TrustedFuture.get(AbstractFuture.java:79)
    at com.android.builder.core.AndroidBuilder.processResources(AndroidBuilder.java:794)
    ... 41 more
Caused by: java.util.concurrent.ExecutionException: com.android.tools.aapt2.Aapt2Exception: AAPT2 error: check logs for details
    at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:503)
    at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:462)
    at com.google.common.util.concurrent.AbstractFuture$TrustedFuture.get(AbstractFuture.java:79)
    at com.android.builder.internal.aapt.v2.QueueableAapt2.lambda$makeValidatedPackage$1(QueueableAapt2.java:179)
Caused by: com.android.tools.aapt2.Aapt2Exception: AAPT2 error: check logs for details
    at com.android.builder.png.AaptProcess$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)
 FAILED


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

Possible duplicate of [error: resource android:attr/fontVariationSettings not found](https://stackoverflow.com/questions/49208772/error-resource-androidattr-fontvariationsettings-not-found) — Martin Zeitler, Jun 19 '19 at 10:01
Its not duplicate. I am already using, cordova-android-support-gradle-release plugin which meant to be fix for the above issue for ionic/phonegap users. Also since its not a good practice for us to make changes inside "platform" folder of our app. Coz it may result into "App Not Installed" while overwriting or pushing an update. @MartinZeitler — Satyam Jaiswal, Jun 19 '19 at 11:24
"not good practice" might be your opinion, while you probably never tried to write a plugin... just have a look at your outdated build-tools and outdated support libraries, to understand how duplicate it is. — Martin Zeitler, Jun 19 '19 at 11:43
@SatyamJaiswal... I'm also getting the same error ... have you find any? — Mohanraj, Jun 20 '19 at 06:57
no luck yet. Still looking to fix the issue. Tried all the solutions mentioned in stackoverflow. not working :( @Mohanraj — Satyam Jaiswal, Jun 20 '19 at 07:46

Ionic android build getting failed with error --font variation settings not found, even cordova-support-gradle-release is installed

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