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I have errors when migrate from AndroidX to Appcompat. Here is log build:
Manifest merger failed : Attribute application@appComponentFactory value=(android.support.v4.app.CoreComponentFactory) from [com.android.support:support-compat:28.0.0] AndroidManifest.xml:22:18-91
is also present at [androidx.core:core:1.0.1] AndroidManifest.xml:22:18-86 value=(androidx.core.app.CoreComponentFactory).
Suggestion: add 'tools:replace="android:appComponentFactory"' to <application> element at AndroidManifest.xml:18:5-138:19 to override.
869
AndroidX replaces the original support library APIs with packages in the androidx namespace. Only the package and Maven artifact names changed; class, method, and field names did not change. Caution: As of late 2021, most of the library ecosystem already supports AndroidX natively.
Android AppCompat Library The Support Library is a static library that you can add to your Android application in order to use APIs that are either not available for older platform versions or utility APIs that aren't a part of the framework APIs. Compatible on devices running API 14 or later.
The Android Support Library has reached the end of its life. 28.0 was the last release of the Android Support namespace and the namespace is no longer maintained. So, if you want bug fixes or new features that would have previously gone into the Support Library, you need to migrate to AndroidX.
Note: With the release of Android 9.0 (API level 28) there is a new version of the support library called AndroidX which is part of Jetpack. The AndroidX library contains the existing support library and also includes the latest Jetpack components. You can continue to use the support library.
So you want to migrate back to support from androidX. If that will be the case the remove below libs from build.gradle and add old support library instead.
androidx.core:core:1.0.1
And also remove below two properties in gradle.properties files.
android.useAndroidX=true
android.enableJetifier=true
Or if you want to migrate to Androidx then add these two properties to gradle.properties file.
android.useAndroidX=true
android.enableJetifier=true
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