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CloverGo remote-pay-android-go Gradle error during integration into my Android Studio project

I've written a standalone POS Android application. I am now working up integrating Clover Go with my app. I have followed the instructions at GitHub remote-pay-android-go, both for trying to get it to work...
+ Option 1. Clone the remote-pay-android-go repository and add a new module for your app into the project
OR
+ Option 2. Clone the remote-pay-android-go repository and copy the necessary modules into your own android project
(I won't go into the tweaking I had to do to get Option 1 close - the project settings.gradle is wrong for this integration).

For Option 2, the first error I got was: 
Error:(49, 0) Could not get unknown property 'cloverGoSDKVersion' for object of type org.gradle.api.internal.artifacts.dsl.dependencies.DefaultDependencyHandler.
File:D:\AndroidStudioProjects\SPRemote\remote-pay-android-connector\build.gradle

remote-pay-android-connector\build.gradle has the lines: 
compile "com.firstdata.clovergo:data:$cloverGoSDKVersion-SNAPSHOT:QaRelease@aar"
compile "com.firstdata.clovergo:domain:$cloverGoSDKVersion-SNAPSHOT"
compile "com.firstdata.clovergo:reader:$cloverGoSDKVersion-SNAPSHOT@aar

From working in Option 1 I had seen "300.05" as a value. When I put that in I got the errors: 
Error:Failed to resolve: com.firstdata.clovergo:data:300.05-SNAPSHOT
    File:D:/AndroidStudioProjects/SPRemote/app/build.gradle
Error:Failed to resolve: com.firstdata.clovergo:domain:300.05-SNAPSHOT
    File:D:/AndroidStudioProjects/SPRemote/app/build.gradle
Error:Failed to resolve: com.firstdata.clovergo:reader:300.05-SNAPSHOT
    File:D:/AndroidStudioProjects/SPRemote/app/build.gradle
Interestingly, I got to the exact same place with this same error when I worked my way through Option 1 importing my project into the fresh GitHub imported remote-pay-android-go project.

Please, how can I resolve this?
Clover GoRemote Pay Android
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cdcilley avatar image cdcilley commented ·

Tried again with Option 1...

Cloned project - Gradle build successful. Able to compile and install the remote-pay-android-example-pos module.

Imported my current project as a module, modified the project build.gradle to include a maven repository I'm using - Gradle build successful.

Added compile project(':remote-pay-android-connector') to my module's build.gradle "dependencies" section - Gradle build failed. Same error as above about "Failed to resolve: com.firstdata.clovergo:data:300.05-SNAPSHOT" in my module's build.gradle.

I've followed the instructions exactly on the GitHub page, but can't get past this error...

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cdcilley avatar image cdcilley commented ·

Tried again with a clean clone from GitHub and simply added a basic "Phone/Tablet" application module. Got the same build error after adding

compile project(':remote-pay-android-connector')

to build.gradle.

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7 Answers

cdcilley avatar image
cdcilley answered
Okay, after some back-and-forth with @kedar.deo, we've got it working. Here's the answer...

I originally followed the Initial Setup -> Option 1 instructions on remote-pay-android-go on GitHUb. These are what worked for me to get a generic app working.
Environment : Windows, Android Studio 3.0.1
  1. Start up Android Studio
  2. Check out project from Version Control : GitHub
    1. Give the URL https://github.com/CloverGo/remote-pay-android-go
  3. During the install I just picked the defaults for build and import
  4. To confirm things installed correctly, I did a test build and APK install of remote-pay-android-example-pos application.
  5. Added a new module : File->New->New Module...
    1. Phone & Tablet Module
    2. Used the defaults: "My Application", MinSDK=17, Basic Activity
    3. Unselected directory hierachy to "Add Files to Git"
  6. Initial Gradle returns a bunch of errors - select "Add Google Maven repository and sync project" in the error listing to fix.
  7. Modify the default generated myapplication:build.gradle file to look like this, changes marked "// Added":
apply plugin: 'com.android.application'

// Added
repositories {
    maven { url "https://oss.sonatype.org/content/repositories/snapshots" }
}

android {
    compileSdkVersion 26

    defaultConfig {
        applicationId "bjccproductionsltd.com.myapplication"
        minSdkVersion 17
        targetSdkVersion 26
        versionCode 1
        versionName "1.0"

        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
	// Added
        multiDexEnabled true

    }

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

    // Added
    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }
}

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    // Added
    compile project(':remote-pay-android-connector')
    implementation 'com.android.support:appcompat-v7:26.1.0'
    implementation 'com.android.support.constraint:constraint-layout:1.0.2'
    implementation 'com.android.support:design:26.1.0'
    // Added
    compile 'com.android.support:multidex:1.0.1'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'com.android.support.test:runner:1.0.1'
    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
}
You can now "Run" myapplication. It should build and install the APK and you'll see the "Hello World"!

I have not tested a version of this on the Option 2 (added CloverGo to your app).
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kedardeo answered
Is it possible for you to show what dependencies you have in your build.gradle file for myapplication and remote-pay-android-connector?
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kedardeo answered
Also - can you confirm that you have the following in your myapplication gradle file as well... 

maven { url “https://oss.sonatype.org/content/repositories/snapshots” }
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cdcilley answered cdcilley edited
I noticed some of the GitHub files were updated 6 days ago. I grabbed a fresh clone, but still got the same errors, @kedar.deo. 

myapplication:build.gradle
dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    compile project(':remote-pay-android-connector')
    implementation 'com.android.support:appcompat-v7:26.1.0'
    implementation 'com.android.support.constraint:constraint-layout:1.0.2'
    implementation 'com.android.support:design:26.1.0'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'com.android.support.test:runner:1.0.1'
    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
}

remote-pay-android-connector:build.gradle
dependencies {
    compile project(':clover-remote-interface')
    compile project(':clover-android-sdk')
    compile 'com.google.code.gson:gson:2.3.1'
    compile 'com.neovisionaries:nv-websocket-client:1.31'
    testCompile 'junit:junit:4.12'
    //CloverGo Depenencies
    compile 'com.google.android.gms:play-services-gcm:10.2.6'
    compile 'io.reactivex.rxjava2:rxandroid:2.0.1'
    annotationProcessor 'com.google.dagger:dagger-compiler:2.9'
    compile "com.firstdata.clovergo:data:$cloverGoSDKVersion-SNAPSHOT@aar"
    compile 'com.squareup.okhttp3:okhttp:3.5.0'
    compile 'com.squareup.retrofit2:retrofit:2.1.0'
    compile 'com.squareup.retrofit2:converter-jackson:2.1.0'
    compile "com.firstdata.clovergo:domain:$cloverGoSDKVersion-SNAPSHOT"
    compile 'com.squareup.retrofit2:adapter-rxjava2:2.2.0'
    compile 'io.reactivex.rxjava2:rxjava:2.0.6'
    compile 'com.google.dagger:dagger:2.9'
    compile "com.firstdata.clovergo:reader:$cloverGoSDKVersion-SNAPSHOT@aar"
    compile project(':roam')
}
I did not have the snapshots repository in myapplication:build.gradle. After I added it the sync build worked fine - I did not see the earlier errors. However, when I went to "Run" the application on my device, I got 4 Gradle errors:
Information:Gradle tasks [:myapplication:assembleDebug]
  1. Error:com.android.builder.dexing.DexArchiveBuilderException: Failed to process D:\Users\Xtopher\.gradle\caches\modules-2\files-2.1\com.firstdata.clovergo\domain\300.06-SNAPSHOT\c51eb7ec0ab7150cf89c58c86a32ba16c3ea5401\domain-300.06-SNAPSHOT.jar
  2. Error:com.android.builder.dexing.DexArchiveBuilderException: Error while dexing com/firstdata/clovergo/domain/usecase/LogoutEmployee.class
  3. Error:com.android.dx.cf.code.SimException: invalid opcode ba (invokedynamic requires --min-sdk-version >= 26)
  4. Error:Execution failed for task ':myapplication:transformClassesWithDexBuilderForDebug'.> com.android.build.api.transform.TransformException: com.android.builder.dexing.DexArchiveBuilderException: com.android.builder.dexing.DexArchiveBuilderException: Failed to process D:\Users\Xtopher\.gradle\caches\modules-2\files-2.1\com.firstdata.clovergo\domain\300.06-SNAPSHOT\c51eb7ec0ab7150cf89c58c86a32ba16c3ea5401\domain-300.06-SNAPSHOT.jar
So, progress?...
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cdcilley avatar image cdcilley commented ·

After the above changes/testing, if I comment out compile project(':remote-pay-android-connector') in myapplication:build.gradle and hit "Run", it compiles and installs the APK just fine.

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kedardeo answered cdcilley commented
Can you confirm in your build.gradle file that you have added the following maven repo under repositories? 
maven { url “https://oss.sonatype.org/content/repositories/snapshots” }
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cdcilley avatar image cdcilley commented ·

@kedar.deo , as I mentioned in the answer above, the maven snapshots repository was *not* in the original myapplication:build.gradle. After adding it, the original errors went away, however I got the 4 build errors I detail above.

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kedardeo answered
Have you set in your build.gradle file 
compileOptions {       
sourceCompatibility JavaVersion.VERSION_1_8       
targetCompatibility JavaVersion.VERSION_1_8   
}
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cdcilley answered cdcilley published
@kedar.deo, I added the compileOptions in myapplication:build.gradle
(I had to post as an Answer since it was too much text for a Comment)

I got the following build error:
Information:Gradle tasks [:myapplication:assembleDebug] Error:The number of method references in a .dex file cannot exceed 64K. Learn how to resolve this issue at https://developer.android.com/tools/building/mult... Error:com.android.dex.DexIndexOverflowException: method ID not in [0, 0xffff]: 65536 Error:at com.android.dx.merge.DexMerger$8.updateIndex(DexMerger.java:565) Error:at com.android.dx.merge.DexMerger$IdMerger.mergeSorted(DexMerger.java:276) Error:at com.android.dx.merge.DexMerger.mergeMethodIds(DexMerger.java:574) Error:at com.android.dx.merge.DexMerger.mergeDexes(DexMerger.java:166) Error:at com.android.dx.merge.DexMerger.merge(DexMerger.java:198) Error:at com.android.builder.dexing.DexArchiveMergerCallable.call(DexArchiveMergerCallable.java:61) Error:at com.android.builder.dexing.DexArchiveMergerCallable.call(DexArchiveMergerCallable.java:36) Error:at java.util.concurrent.ForkJoinTask$AdaptedCallable.exec(ForkJoinTask.java:1424) Error:at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) Error:at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) Error:at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1692) Error:at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) Error:Execution failed for task ':myapplication:transformDexArchiveWithDexMergerForDebug'. > com.android.build.api.transform.TransformException: com.android.dex.DexIndexOverflowException: method ID not in [0, 0xffff]: 65536 Information:BUILD FAILED in 36s

Of course if you go to https://developer.android.com/tools/building/mult... the page returns a 404 Page Not Found error. :-)
Still, it seems like continued progress...

If it helps, here is my current myapplication:build.gradle 
apply plugin: 'com.android.application'

repositories {
    maven { url "https://oss.sonatype.org/content/repositories/snapshots" }
}

android {
    compileSdkVersion 26
    
    defaultConfig {
        applicationId "bjccproductionsltd.com.myapplication"
        minSdkVersion 17
        targetSdkVersion 26
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }

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

    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }
}

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    compile project(':remote-pay-android-connector')
    implementation 'com.android.support:appcompat-v7:26.1.0'
    implementation 'com.android.support.constraint:constraint-layout:1.0.2'
    implementation 'com.android.support:design:26.1.0'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'com.android.support.test:runner:1.0.1'
    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
}
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cdcilley avatar image cdcilley commented ·

I searched for the error on Google and found this page : The number of method references in a .dex file cannot exceed 64k API 17

The build.gradle modifications in the accepted answer worked! I can "Run" myapplication and it builds and installs the APK.

  • Add multiDexEnabled true to "defaultConfig"
  • Add compile 'com.android.support:multidex:1.0.1' to "dependencies"

This was starting from a fresh clone of CloverGo and a default "basic" activity. @kedar.deo, perhaps you can test and write up all the changes into a complete answer for future users...

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