[Solved] AAPT: error: resource android:attr/lStar not found in Android

Hello Guys, How are you all? Hope You all Are Fine. Today When I ran the test for release while executing my code I am facing the following error AAPT: error: resource android:attr/lStar not found in Android in Android. So Here I am Explain to you all the possible solutions here.

Without wasting your time, Let’s start This Article to Solve This Error.

How AAPT: error: resource android:attr/lStar not found in Android Error Occurs ?

Today When I ran the test for release while executing my code I am facing the following error.

Execution failed for task:
am:processReleaseResources'.
> A failure occurred while executing com.android.build.gradle.internal.tasks.Workers$ActionFacade
   > Android resource linking failed
     /.gradle/caches/transforms-2/files-2.1/ff28653768e2ccb1135467db3600af3a/core-1.7.0-alpha02/res/values/values.xml:105:5-114:25: AAPT: error: resource android:attr/lStar not found.

How To Solve AAPT: error: resource android:attr/lStar not found in Android Error ?

Solution 1: Change to androidx.core:core-ktx:1.0.6

Just open your app/build.gradle file and change this line.

androidx.core:core-ktx:+

replace with

androidx.core:core-ktx:1.6.0

Here is an Example.

ext {
    buildToolsVersion = "29.0.2"
    minSdkVersion = 21
    compileSdkVersion = 29
    targetSdkVersion = 29
    googlePlayServicesAuthVersion = "16.0.1"
    androidXCore = "1.6.0"
}

Solution 2: upgrade the compile SDK to Android 31

If you are using androidx.core:core-ktx:+ then this will find the latest version of androidx.core:core-ktx:+ and the latest one is 1.7.0 and the latest version needs the Android 31 compile SDK. So that You are facing this issue.

• Here is Two Possible Solution
  1. use a specific version, use androidx.core:core-ktx:${version} instead of androidx.core:core-ktx:+
  2. upgrade the compile SDK to Android 31

Summary

It’s all About this issue. Hope all solution helped you a lot.Comment below Your thoughts and your queries. Also, Comment below which solution worked for you?

Also, Read

• SyntaxError: invalid syntax to repo init in the AOSP code.

Related Solution

[Solved] error: resource android:attr/lStar not found