Error :: Duplicate Files During Packaging of APK

Error:duplicate files during packaging of APK Android Studio Error

Well you are missing the flow of build gradle.
As you are trying to use 2 android {..} snippet it is not detecting the 2nd one. As a result your exclusion of duplicate meta files are not working.

Possible solution:

Just change the order of your build gradle like below:

    apply plugin: 'com.android.library'    
    android {
        compileSdkVersion 21
        buildToolsVersion "21.1.2"

        defaultConfig {
            minSdkVersion 14
            targetSdkVersion 21
            versionCode 1
            versionName "1.0"
        }
        buildTypes {
            release {
                minifyEnabled false
                proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
            }
        }
        packagingOptions {
            exclude 'META-INF/DEPENDENCIES'
            exclude 'META-INF/NOTICE'
            exclude 'META-INF/LICENSE'
            exclude 'META-INF/LICENSE.txt'
            exclude 'META-INF/NOTICE.txt'
        }
    }
dependencies {
    compile fileTree(include: ['*.jar'], dir: 'libs')
    compile 'com.android.support:appcompat-v7:+'
    compile 'com.google.android.gms:play-services:6.5.87'
    compile 'com.squareup.picasso:picasso:2.5.2'
    compile 'com.mcxiaoke.volley:library:1.0.15'
    compile 'com.google.code.gson:gson:2.2.4'
    compile "org.apache.httpcomponents:httpcore:4.4.1"
    compile "org.apache.httpcomponents:httpmime:4.3.6"

}

If it still didn't work then check out the following:

Is it your library build gradle?
I excluded my duplicate meta files from my main projects build gradle. So make sure to exclude the meta files from build gradle of app module rather than library module.

Why this error happen Duplicate files during packaging of APK?How to fix this error?

Replace your gradle with this

apply plugin: 'com.android.application'

android {
    compileSdkVersion 22
    buildToolsVersion "21.1.2"

    defaultConfig {
        applicationId "your_package_name"
        minSdkVersion 14
        targetSdkVersion 22
        versionCode 1
        versionName "1.0"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
   packagingOptions {
      exclude 'META-INF/NOTICE'
      exclude 'META-INF/DEPENDENCIES'
      exclude 'META-INF/LICENCE'
      }
     }

dependencies {
    compile fileTree(dir: 'libs', include: ['*.jar'])
    compile 'com.android.support:appcompat-v7:22.0.0'
    <!--Jar's Goes Here-->
}

Still getting the error means replace packagingOptions

 packagingOptions {
        exclude 'META-INF/DEPENDENCIES'
        exclude 'META-INF/NOTICE'
        exclude 'META-INF/LICENSE'
        exclude 'META-INF/LICENSE.txt'
        exclude 'META-INF/NOTICE.txt'
    }

Error :: duplicate files during packaging of APK

I think the string comparison is case sensitive. try with exclude 'META-INF/notice.txt'

Error : Gradle: Duplicate files during packaging of APK

Add below lines in the packagingOptions and dependencies.

packagingOptions {
    exclude 'META-INF/DEPENDENCIES.txt'
    exclude 'META-INF/LICENSE.txt'
    exclude 'META-INF/NOTICE.txt'
    exclude 'META-INF/NOTICE'
    exclude 'META-INF/LICENSE'
    exclude 'META-INF/DEPENDENCIES'
    exclude 'META-INF/notice.txt'
    exclude 'META-INF/license.txt'
    exclude 'META-INF/dependencies.txt'
    exclude 'META-INF/LGPL2.1'
}

And in dependencies use as below.

dependencies {
compile fileTree(include: ['*.jar'], dir: 'libs')
compile 'com.android.support:appcompat-v7:23.2.0'
compile 'com.android.support:design:23.2.0'
compile 'com.android.support:cardview-v7:23.2.0'
compile 'com.android.support:recyclerview-v7:23.2.0'
compile 'com.j256.ormlite:ormlite-core:4.48'
compile 'com.j256.ormlite:ormlite-android:4.48'
compile 'org.springframework.android:spring-android-rest-template:1.0.1.RELEASE'
compile('org.springframework.android:spring-android-auth:1.0.1.RELEASE') {
    exclude module: 'spring-core'
}
compile 'org.springframework.android:spring-android-core:1.0.1.RELEASE'
compile 'org.apache.commons:commons-io:1.3.2'
compile 'joda-time:joda-time:2.3'
compile 'com.fasterxml.jackson.core:jackson-databind:2.7.2'
compile 'com.fasterxml.jackson.core:jackson-core:2.7.2'
compile 'com.fasterxml.jackson.core:jackson-annotations:2.7.2'
compile 'com.google.code.gson:gson:2.6.2'
}

I think this will solve your issues.

Duplicate files during packaging of APK or UnsatisfiedLinkError Android

I think I found the solution, however, I do not quite understand it.

The build.gradle files of both modules mylibrary and tess-two contained a definition for

android.sourceSets.main.jniLibs.srcDirs = ['libs']

Commenting this definition in tess-two resulted in libtess.soand liblept.so being copied to the apk only once.

If someone understands this solution please leave a comment or answer.

Edit:

In the meantime I found a better solution:
I added the following code to my main applications gradle.build file:

packagingOptions { // otherwise libtess.so and liblept.so are copied to apk twice resulting in an error
    pickFirst('lib/*/liblept.so')
    pickFirst('lib/*/libtess.so')
}

Error: duplicate files during packaging of APK after add Realm dependence to gradle

Move your android closure to be after the dependencies closure:

apply plugin: 'com.android.library'

dependencies {
    compile fileTree(dir: 'libs', include: ['*.jar'])
    compile 'com.squareup.okhttp:okhttp:2.3.0'
    compile 'com.squareup.retrofit:retrofit:2.0.0-beta2'
    compile 'com.squareup.retrofit:converter-gson:2.0.0-beta2'
    compile 'io.realm:realm-android:0.87.2'
}

android {
    compileSdkVersion 23
    buildToolsVersion "23.0.2"

    defaultConfig {
        minSdkVersion 14
        targetSdkVersion 23
        versionCode 1
        versionName "1.0"
    }

    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }

    packagingOptions {
        exclude 'META-INF/services/javax.annotation.processing.Processor'
    }
}

The LogCat show this error Gradle DSL method not found: 'packagingOptions()'

Then you do not have packagingOptions inside android.

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