Android(安卓)Studio 编译: Program type already present: XXX 解决方案

https://blog.csdn.net/richiezhu/article/details/80320185

按住两次SHIFT 进行类名搜索，然后再gradle中配置configruations，all*.exclude 这个module ''

apply plugin: 'com.android.application'android {    compileSdkVersion 28    defaultConfig {        applicationId "com.keraseye.xkk.keraseye"        minSdkVersion 21        targetSdkVersion 28        multiDexEnabled true        javaCompileOptions { annotationProcessorOptions { includeCompileClasspath = true } }        versionCode 1        versionName "1.0"        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"        externalNativeBuild {            cmake {                cppFlags "-std=c++14"            }        }    }    packagingOptions {        exclude 'META-INF/DEPENDENCIES'        exclude 'META-INF/DEPENDENCIES.txt'        exclude 'META-INF/LICENSE'        exclude 'META-INF/LICENSE.txt'        exclude 'META-INF/license.txt'        exclude 'META-INF/NOTICE'        exclude 'META-INF/NOTICE.txt'        exclude 'META-INF/notice.txt'        exclude 'META-INF/INDEX.LIST'    }    buildTypes {        release {            minifyEnabled false            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'        }    }    externalNativeBuild {        cmake {            path "CMakeLists.txt"        }    }}dependencies {    implementation fileTree(include: ['*.jar'], dir: 'libs')    implementation 'com.android.support:appcompat-v7:28.0.0'    implementation 'com.android.support.constraint:constraint-layout:1.1.3'    testImplementation 'junit:junit:4.12'    androidTestImplementation 'com.android.support.test:runner:1.0.2'    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'    implementation 'org.deeplearning4j:deeplearning4j-core:0.7.2'    implementation 'org.nd4j:nd4j-native:0.7.2'    implementation 'org.nd4j:nd4j-native:0.7.2:android-x86'    implementation 'org.nd4j:nd4j-native:0.7.2:android-arm'    implementation 'org.deeplearning4j:deeplearning4j-modelimport:1.0.0-beta3'}configurations {    all*.exclude module:'nd4j-base64'}

情况1：个例
build.gradle 中

dependencies {
classpath 'com.android.tools.build:gradle:3.1.1'
//
}
改成

dependencies {
//目前最新版【2018年05月15日】
classpath 'com.android.tools.build:gradle:3.1.2'
//
}
情况2：确实是依赖冲突
Error: Program type already present: android.support.v4.app.xxx

例子：
引入以下依赖报该错误

//Paho Android Service
implementation 'org.eclipse.paho:org.eclipse.paho.client.mqttv3:1.0.2'
implementation 'org.eclipse.paho:org.eclipse.paho.android.service:1.0.2'
执行命令：

gradlew -q app:dependencies

排查 support-v4 出现的依赖关系中发现 org.eclipse.paho:org.eclipse.paho.android.service:1.0.2
依赖了 com.google.android:support-v4 注意不是 com.android.support:support-v4 ！！！

坑：

//刚开始下意识去写了个排除，发现没有用。。。，原因就是它用 com.google.android:support-v4 不是 com.android.support
implementation('org.eclipse.paho:org.eclipse.paho.android.service:1.0.2'){
exclude group: 'com.android.support', module: 'support-v4'
}
总结：
找到依赖的问题根源后进行排除，按提示报错的来灵活处理冲突问题！

排除方式1：

configurations {
all*.exclude group: 'com.google.android', module: 'support-v4'
//或者粗暴点，就没有上面的坑了 all*.exclude module: 'support-v4'
}
dependencies {
...
implementation 'org.eclipse.paho:org.eclipse.paho.client.mqttv3:1.0.2'
implementation 'org.eclipse.paho:org.eclipse.paho.android.service:1.0.2'
...
}
排除方式2：

implementation 'org.eclipse.paho:org.eclipse.paho.client.mqttv3:1.0.2'
implementation('org.eclipse.paho:org.eclipse.paho.android.service:1.0.2') {
exclude(group: 'com.google.android', module: 'support-v4')
}

/* 或者粗暴点，就没有上面的坑了
implementation('org.eclipse.paho:org.eclipse.paho.android.service:1.0.2') {
exclude module: 'support-v4'
}
*/

com.android.support:xxx 等官方依赖包 v4 v7 v13 等版本号保持一致比如 27.1.1
---------------------
作者：路易斯睿齐
来源：CSDN
原文：https://blog.csdn.net/richiezhu/article/details/80320185
版权声明：本文为博主原创文章，转载请附上博文链接！

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