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

[Author]

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