Error:Execution Failed for Task ':App:Transformclasseswithdexfordebug'

Android Error:Execution failed for task ':app:transformClassesWithDexForDebug'

You are compiling the whole Google play services library:

compile 'com.google.android.gms:play-services:8.3.0'

which can cross the 64K reference limit' during compiling..

See this

if u just use some services from the library you can Selectively compiling APIs into your executable

Like:

 compile 'com.google.android.gms:play-services-maps:8.3.0'
compile 'com.google.android.gms:play-services-plus:8.3.0'
compile 'com.google.android.gms:play-services-location:8.3.0'

I would also suggest to use latest version of play services compile 'com.google.android.gms:play-services:10.2.1'

2nd Way

If you really want to use the whole library : Enable Multidex in your application.

in your Gradle:

    android {
    defaultConfig {
        ...
        minSdkVersion 15 
        targetSdkVersion 25
        multiDexEnabled true
    }
    ...
}

dependencies {
  compile 'com.android.support:multidex:1.0.1'
}

in Application class:

 public class MyApplication extends SomeOtherApplication {
  @Override
  protected void attachBaseContext(Context base) {
     super.attachBaseContext(base);
     MultiDex.install(this);
  }
}

Define the application class in manifest:

    <?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.myapp">
    <application
            android:name="android.support.multidex.MultiDexApplication" >
        ...
    </application>
</manifest>

Execution failed for task ':app:transformClassesWithDexForDebug' in react native

My guess is you are over the 64k reference limit and need to enable multidexing. The second article you linked referenced how to solve this, but many react-native projects are initialized with minSdkVersion of 16, so there is an extra step to enabled multidex. You have two options.

Option 1:

Upgrade your minSdkVersion to 21 in your AndroidManifest.xml file (android/app/src/main/AndroidManifest.xml) and also your build.gradle file (android/app/build.gradle), then in your build.gradle file add multiDexEnabled to true in this line

android {
    defaultConfig {
        ...
        minSdkVersion 21 
        targetSdkVersion 26
        multiDexEnabled true
    }
    ...
} 

Option 2:

If you need to stay at minSdkVersion 16, set multiDexEnabled to true in your build.gradle file, then add this line under "dependencies" in the same file

dependencies {
  compile 'com.android.support:multidex:1.0.1'
  ...(your other dependencies here)
}

Then depending on whether you override the Application class, perform one of the following:

If you do not override the Application class, edit your manifest file to set android:name in the tag as follows:

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.myapp">
    <application
            android:name="android.support.multidex.MultiDexApplication" >
        ...
    </application>
</manifest>

If you do override the Application class in android/app/src/main/java/MainApplication.java, change it to extend MultiDexApplication (if possible) as follows:

public class MyApplication extends MultiDexApplication { ... }

Here is android's documentation on what this error means and why it occurs, as well as how to fix it https://developer.android.com/studio/build/multidex.html

Error:Execution failed for task ':app:transformDexWithInstantRunSlicesApkForDebug'. Failed to read zip file

Switch off the Instant Run in Preferences helped me

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