error generated unsigned apk

[fahri arif]

/friendlytime'; L12:  import { QuestionComponent } from '../../components/question/questio n'; L13:  import { TimerComponent } from '../../components/timer/timer'; [17:17:46]  tslint: D:/Try/nyoba/src/pages/course-status/course-status.ts, line: 13 All imports on this line are unused. L12:  import { QuestionComponent } from '../../components/question/questio n'; L13:  import { TimerComponent } from '../../components/timer/timer'; [17:17:46]  tslint: D:/Try/nyoba/src/pages/course-status/course-status.ts, line: 15 All imports on this line are unused. L15:  import { Course } from '../../models/course'; L16:  import { Activity } from '../../models/activity'; [17:17:46]  tslint: D:/Try/nyoba/src/pages/course-status/course-status.ts, line: 16 All imports on this line are unused. L15:  import { Course } from '../../models/course'; L16:  import { Activity } from '../../models/activity'; L17:  import { ActivityMeta } from '../../models/activity'; [17:17:46]  tslint: D:/Try/nyoba/src/pages/course-status/course-status.ts, line: 17 All imports on this line are unused. L16:  import { Activity } from '../../models/activity'; L17:  import { ActivityMeta } from '../../models/activity'; L18:  import { User } from '../../models/user'; [17:17:46]  tslint: D:/Try/nyoba/src/pages/course-status/course-status.ts, line: 18 All imports on this line are unused. L17:  import { ActivityMeta } from '../../models/activity'; L18:  import { User } from '../../models/user'; L19:  import { CourseStatus } from '../../models/status'; [17:17:46]  tslint: D:/Try/nyoba/src/pages/course-status/course-status.ts, line: 29 All imports on this line are unused. L29:  import { Storage } from '@ionic/storage'; [17:17:46]  tslint: D:/Try/nyoba/src/pages/course-status/course-status.ts, line: 31 All imports on this line are unused. L31:  import {AbsoluteDrag} from '../../components/absolute-drag/absolute- drag'; L32:  import {PinchZoomDirective} from '../../directives/pinch-zoom.direct ive'; [17:17:46]  tslint: D:/Try/nyoba/src/pages/course-status/course-status.ts, line: 32 All imports on this line are unused. L31:  import {AbsoluteDrag} from '../../components/absolute-drag/absolute- drag'; L32:  import {PinchZoomDirective} from '../../directives/pinch-zoom.direct ive'; [17:17:46]  tslint: D:/Try/nyoba/src/pages/course-status/course-status.ts, line: 36 All imports on this line are unused. L36:  import { SafeHtmlPipe } from "../../pipes/orderby"; L37:  import { SafePipe } from "../../pipes/orderby"; [17:17:46]  tslint: D:/Try/nyoba/src/pages/course-status/course-status.ts, line: 37 All imports on this line are unused. L36:  import { SafeHtmlPipe } from "../../pipes/orderby"; L37:  import { SafePipe } from "../../pipes/orderby"; [17:17:46]  tslint: D:/Try/nyoba/src/pages/profile/profile.ts, line: 91 Property 'formBuilder' is declared but its value is never read. L90:  private storage:Storage, L91:  private formBuilder:FormBuilder, L92:  private loadingCtrl:LoadingController, [17:17:46]  tslint: D:/Try/nyoba/src/pages/profile/profile.ts, line: 1 'OnInit' is declared but its value is never read. L1:  import { Component, OnInit, ViewChild } from '@angular/core'; L2:  import { Content,NavController,ViewController,LoadingController, Toa stController,ActionSheetController,AlertController, NavParams, Slides,Platform } from 'ionic-angular'; [17:17:46]  tslint: D:/Try/nyoba/src/pages/profile/profile.ts, line: 3 'FormBuilder' is declared but its value is never read. L2:  import { Content,NavController,ViewController,LoadingController, Toa stController,ActionSheetController,AlertController, NavParams, Slides,Platform } from 'ionic-angular'; L3:  import { FormBuilder, FormGroup,FormControl, Validators, } from '@an gular/forms'; [17:17:46]  tslint: D:/Try/nyoba/src/pages/profile/profile.ts, line: 3 'FormGroup' is declared but its value is never read. L2:  import { Content,NavController,ViewController,LoadingController, Toa stController,ActionSheetController,AlertController, NavParams, Slides,Platform } from 'ionic-angular'; L3:  import { FormBuilder, FormGroup,FormControl, Validators, } from '@an gular/forms'; [17:17:46]  tslint: D:/Try/nyoba/src/pages/profile/profile.ts, line: 3 'FormControl' is declared but its value is never read. L2:  import { Content,NavController,ViewController,LoadingController, Toa stController,ActionSheetController,AlertController, NavParams, Slides,Platform } from 'ionic-angular'; L3:  import { FormBuilder, FormGroup,FormControl, Validators, } from '@an gular/forms'; [17:17:46]  tslint: D:/Try/nyoba/src/pages/profile/profile.ts, line: 24 All imports on this line are unused. L23:  import { ResultPage } from '../result/result'; L24:  import { FriendlytimeComponent } from '../../components/friendlytime /friendlytime'; [17:17:46]  tslint: D:/Try/nyoba/src/pages/profile/profile.ts, line: 26 All imports on this line are unused. L26:  import { PressDirective } from '../../directives/longPress.directive '; L27:  import { TabsPage } from '../tabs/tabs'; [17:17:46]  tslint: D:/Try/nyoba/src/pages/profile/profile.ts, line: 29 All imports on this line are unused. L29:  import { Storage } from '@ionic/storage'; L30:  import { Camera, CameraOptions } from '@ionic-native/camera'; \ Running command [17:17:46]  lint finished in 7.43 s × Running command - failed! [ERROR] An error occurred while running cordova build android --release (exit code 1): (truncated) ... atingTaskExecuter.java:58) at org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecuter .execute(SkipEmptySourceFilesTaskExecuter.java:88) at org.gradle.api.internal.tasks.execution.ResolveTaskArtifactStateTaskExec uter.execute(ResolveTaskArtifactStateTaskExecuter.java:52) at org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.ex ecute(SkipTaskWithNoActionsExecuter.java:52) at org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(S kipOnlyIfTaskExecuter.java:54) at org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter.ex ecute(ExecuteAtMostOnceTaskExecuter.java:43) at org.gradle.api.internal.tasks.execution.CatchExceptionTaskExecuter.execu te(CatchExceptionTaskExecuter.java:34) at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskW orker$1.run(DefaultTaskGraphExecuter.java:248) at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuild OperationWorker.execute(DefaultBuildOperationExecutor.java:336) at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuild OperationWorker.execute(DefaultBuildOperationExecutor.java:328) at org.gradle.internal.progress.DefaultBuildOperationExecutor.execute(Defau ltBuildOperationExecutor.java:197) at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBu ildOperationExecutor.java:107) at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskW orker.execute(DefaultTaskGraphExecuter.java:241) at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskW orker.execute(DefaultTaskGraphExecuter.java:230) at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorke r.processTask(DefaultTaskPlanExecutor.java:124) at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorke r.access$200(DefaultTaskPlanExecutor.java:80) at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorke r$1.execute(DefaultTaskPlanExecutor.java:105) at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorke r$1.execute(DefaultTaskPlanExecutor.java:99) at org.gradle.execution.taskgraph.DefaultTaskExecutionPlan.execute(DefaultT askExecutionPlan.java:625) at org.gradle.execution.taskgraph.DefaultTaskExecutionPlan.executeWithTask( DefaultTaskExecutionPlan.java:580) at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorke r.run(DefaultTaskPlanExecutor.java:99) at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onE xecute(ExecutorPolicy.java:63) at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutor Impl.java:46) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.jav a:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.ja va:617) at org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.r un(ThreadFactoryImpl.java:55) at java.lang.Thread.run(Thread.java:745) Caused by: java.util.concurrent.ExecutionException: java.util.concurrent.ExecutionException: com.android.tools.aapt2.Aapt2Exception: AAPT2 error: check logs for details at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFu ture.java:503) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java :482) at com.google.common.util.concurrent.AbstractFuture$TrustedFuture.get(Abstr actFuture.java:79) at com.android.builder.core.AndroidBuilder.processResources(AndroidBuilder. java:794) ... 48 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(AbstractFu ture.java:503) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java :462) at com.google.common.util.concurrent.AbstractFuture$TrustedFuture.get(Abstr actFuture.java:79) at com.android.builder.internal.aapt.v2.QueueableAapt2.lambda$makeValidated Package$1(QueueableAapt2.java:179) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.jav a:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.ja va:617) ... 1 more Caused by: com.android.tools.aapt2.Aapt2Exception: AAPT2 error: check logs for details at com.android.builder.png.AaptProcess$NotifierProcessOutput.handleOutput(A aptProcess.java:454) at com.android.builder.png.AaptProcess$NotifierProcessOutput.err(AaptProces s.java:411) at com.android.builder.png.AaptProcess$ProcessOutputFacade.err(AaptProcess. java:332) at com.android.utils.GrabProcessOutput$1.run(GrabProcessOutput.j ava:104) FAILURE: Build failed with an exception. * What went wrong: Execution failed for task ':app:processReleaseResources'. > 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 3m 22s D:\Try\nyoba>

[Scott Lang]

please specify what you are trying to -> For browser view to your app :  ionic serve  1- Unsigned App build (After unsigned apk you have to sign this apk file then you can upload apk to playstore) :  ionic cordova build --release android 2-Android debug apk  (this type of app not able to upload to playstore)   : ionic cordova build android

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