Can I use library that used android support with Androidx projects.

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The question:

I know, androidx and support dependency causing multidex error
We can not use androidx and android support at a same time. So I totally migrate to androidx. but one of my dependency lib used android support “lottie”.

What can we do in above situation? Should I remove ‘lottie’ from my project.

below is my gradle

defaultConfig {
        minSdkVersion 19
        targetSdkVersion 28
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
        vectorDrawables.useSupportLibrary = true
        multiDexEnabled true
    }

    ext{
    lottieVersion = "2.5.4"
}


dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"

    def androidx = "1.0.0-rc01"
    api "androidx.constraintlayout:constraintlayout:1.1.2"
    api "androidx.appcompat:appcompat:$androidx"
    api "androidx.recyclerview:recyclerview:$androidx"
    api "androidx.cardview:cardview:$androidx"
    api "androidx.core:core-ktx:$androidx"
    api "com.google.android.material:material:1.0.0-rc01"
    implementation "com.google.code.gson:gson:2.8.5"
    implementation "androidx.multidex:multidex:2.0.0"
    implementation "com.airbnb.android:lottie:$lottieVersion"
    }

The Solutions:

Below are the methods you can try. The first solution is probably the best. Try others if the first one doesn’t work. Senior developers aren’t just copying/pasting – they read the methods carefully & apply them wisely to each case.

Method 1

You can enable Jetifier on your project, which will basically exchange the Android Support Library dependencies in your project dependencies with AndroidX-ones. (e.g. Your Lottie dependencies will be changed from Support to AnroidX)

From the Android Studio Documentation (https://developer.android.com/studio/preview/features/):

The Android Gradle plugin provides the following global flags that you
can set in your gradle.properties file:

  • android.useAndroidX: When set to true, this flag indicates that you want to start using AndroidX from now on. If the flag is absent,
    Android Studio behaves as if the flag were set to false.
  • android.enableJetifier: When set to true, this flag indicates that you want to have tool support (from the Android Gradle plugin) to
    automatically convert existing third-party libraries as if they were
    written for AndroidX. If the flag is absent, Android Studio behaves as
    if the flag were set to false.

Precondition for Jetifier:

  • you have to use at least Android Studio 3.2

To enable jetifier, add those two lines to your gradle.properties file:

android.useAndroidX=true
android.enableJetifier=true

Finally, please check the release notes of AndroidX, because jetifier has still some problems with some libraries (e.g. Dagger Android): https://developer.android.com/topic/libraries/support-library/androidx-rn

Method 2

Manually adding android.useAndroidX=true and android.enableJetifier=true giving me hard time. Because it’s throw some error or Suggestion: add 'tools:replace="android:appComponentFactory"' to <application>

To Enable Jet-fire in project there is option in android Studio

Select Your Project —> Right Click

app—-> Refactor —-> Migrate to AndroidX

Shown in below image:-

enter image description here

After click on Migrate to AndroidX.

It will ask for confirmation and back up for your project.

enter image description here

And last step it will ask you for to do refactor.

enter image description here

After doing Refactor check your gradle.properties have android.useAndroidX=true and android.enableJetifier=true. If they are not then add these two lines to your gradle.properties file:

android.useAndroidX=true
android.enableJetifier=true

Note:- Upgrading using Android Studio, this option works if you have
android studio 3.2 and onward. Check this

Method 3

You need not to worry

Just enable Jetifier in your projet.

  • Update Android Studio to 3.2.0 or newer.

  • Open gradle.properties and add below two lines.

    android.enableJetifier=true
android.useAndroidX=true

It will convert all support libraries of your dependency to AndroidX at run time (you may have compile time errors, but app will run).

Method 4

Add the lines in the gradle.properties file

android.useAndroidX=true
android.enableJetifier=true

Can I use library that used android support with Androidx projects.
Can I use library that used android support with Androidx projects.
Refer also
https://developer.android.com/jetpack/androidx

Method 5

I added below two lines in gradle.properties file

android.useAndroidX=true
android.enableJetifier=true

then I got the following error

error: package android.support.v7.app does not exist
import android.support.v7.app.AlertDialog;
                         ^

I have removed the imports and added below line

import static android.app.AlertDialog.*;

And the classes which are extended from AppCompactActivity, added the below line. (For these errors you just need to press alt+enter in android studio which will import the correct library for you. Like this you can resolve all the errors)

import androidx.appcompat.app.AppCompatActivity;

In your xml file if you have used any

<android.support.v7.widget.Toolbar

replace it with androidx.appcompat.widget.Toolbar

then in your java code

import androidx.appcompat.widget.Toolbar;

Method 6

Open gradle.properties and add below two lines.

android.enableJetifier=true
android.useAndroidX=true

And you will face a new issues, here is the solution.
My problem was solved after adding android:exported=”true” on android.intent.category.LAUNCHER Activity

<activity
        android:name=".MainActivity"
        android:exported="true"> // Add this line
        <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
        </intent-filter>
</activity>

Method 7

API 29.+ usage AndroidX libraries. If you are using API 29.+, then you cannot remove these. If you want to remove AndroidX, then you need to remove the entire 29.+ API from your SDK:

SDK Settings

This will work fine.

Method 8

I used these two lines of code in application tag in manifest.xml and it worked.

 tools:replace="android:appComponentFactory"    
 android:appComponentFactory="whateverString"

Source: https://github.com/android/android-ktx/issues/576#issuecomment-437145192

Method 9

If your project is not AndroidX (mean Appcompat) and got this error, try to downgrade dependencies versions that triggers this error, in my case play-services-location (“implementation ‘com.google.android.gms:play-services-location:17.0.0′”) , I solved the problem by downgrading to com.google.android.gms:play-services-location:16.0.0’

Method 10

I had a problem like this before, it was the gradle.properties file doesn’t exist, only the gradle.properties.txt , so i went to my project folder and i copied & pasted the gradle.properties.txt file but without .txt extension then it finally worked.

Method 11

  1. In the project folder, in build.gradle(Module:Application)

    • Fix compileSdkVersion to 28
    • If targetSdkVersion is defined, change this to 28
    • After modifying like that, if you click Sync Now at the top, an error will appear.

  2. In the Refactor menu, click Migration to AndroidX to proceed with the migration.

  3. After that, if you open gradle.properties in the Project folder, you will see the definition as below

    android.enableJetifier=true
    android.useAndroidX=true

Method 12

  • Add the lines in the gradle.properties file

    android.useAndroidX=true
android.enableJetifier=true

  • If you are getting any errors while building the apk then you have to export the activities by adding android:exported="true" tag in all activities on AndroidManifest.xml file.

    <manifest xmlns:android="http://schemas.android.com/apk/res/android"
  package="com.example.examplerealtime">
  <uses-permission android:name="android.permission.INTERNET"/>
  <application
      ...
  >
      <activity
          android:name=".MainActivity"
          ...
          android:exported="true">
          ...
      </activity>
  </application>
</manifest>

Method 13

Comment This Line in gradle.properties

android.useAndroidX=true


All methods was sourced from stackoverflow.com or stackexchange.com, is licensed under cc by-sa 2.5, cc by-sa 3.0 and cc by-sa 4.0

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