Task transform dex archive with dex merger for debug failed in react native

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In this article, you will solve your Task :app:transformDexArchiveWithDexMergerForDebug FAILED issue in your application.

If your methods + your dependencies method greater then 64k+ methods then your react native throwing DexMerger error.

Follow some simple steps you absolutely solved this error.

Step 1: Enable MultiDex

• Dir - Project/Android/app/build.gradle

Copy 
1android {
2    defaultConfig {
3        ...
4        minSdkVersion 15 
5        targetSdkVersion 28
6        multiDexEnabled true // add this line
7    }
8    ...
9}

Step 2: Add Multidex dependencies

Dir - Project/Android/app/build.gradle

Copy 
1dependencies {
2    ...
3    def multidex_version = "2.0.1"
4    implementation 'androidx.multidex:multidex:$multidex_version'
5}

Step 3: Change Your Extends Application

• Dir - Project/android/app/src/main/java/com/Project/MainApplication

MainApplication extends MultiDexApplication

Copy 
1public class MainApplication extends MultiDexApplication implements ReactApplication {

Step 4: Run Your Project

Copy 
1Project> cd android
2Project> gradlew clean
3Project> cd ..
4Project> npx react-native run-android

Thanks for reading…