Android 任务'；的执行失败：应用程序：transformClassesAndResourcesWithProguardForRelease'；：java.io.IOException-Proguard问题

在尝试使用proguard时，一直在努力找出问题背后的原因（请参见下面的stacktrace）

除了gradle文件中提到的库之外，该应用程序还处理打开

套接字

，

序列化/反序列化

数据，

密码

和

jwt令牌

，处理

WifiManager

和

WifiP2pManager

如果有人能帮我指出这个问题，或者至少能帮我更好地挖掘这个问题，那就太好了。我已经尝试为不同的库添加所有可能的proguard规则，并且不缩小我们自己的父包

我的gradle文件

buildscript {

    repositories {
        maven { url 'https://maven.fabric.io/public' }
    }

    dependencies {
        classpath 'io.fabric.tools:gradle:1.+'
    }
}

apply plugin: 'com.android.application' 

apply plugin: 'io.fabric'

apply plugin: 'com.google.gms.google-services'

repositories {

    maven { url 'https://maven.fabric.io/public' }

}    

dependencies {

    compile fileTree(dir: 'libs', include: ['*.jar'])
    compile('com.crashlytics.sdk.android:crashlytics:2.5.5@aar') {
        transitive = true;
    }

    compile project(':android')
    compile 'com.android.support:appcompat-v7:23.1.1'
    compile 'com.squareup.retrofit:retrofit:1.9.0'
    compile 'com.squareup.okhttp:okhttp:2.5.0'
    compile 'com.google.code.gson:gson:2.4'
    compile 'commons-codec:commons-codec:1.9'
    compile 'com.android.support:design:23.1.1'
    compile 'com.google.android.gms:play-services-analytics:8.3.0'
    compile 'com.android.support:support-v4:23.1.1'

}

android {

    compileSdkVersion 23
    buildToolsVersion "23.0.2"

    defaultConfig {
        applicationId "com.some.org.package"
        minSdkVersion 18
        targetSdkVersion 23
        versionCode 5
        versionName "0.9.0"
    }
    buildTypes {
        release {
            minifyEnabled true
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }

    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'
    }
}

Proguard rules.pro

/gradlew-clean-assembleerelease-d--stacktrace

buildscript {

    repositories {
        maven { url 'https://maven.fabric.io/public' }
    }

    dependencies {
        classpath 'io.fabric.tools:gradle:1.+'
    }
}

apply plugin: 'com.android.application' 

apply plugin: 'io.fabric'

apply plugin: 'com.google.gms.google-services'

repositories {

    maven { url 'https://maven.fabric.io/public' }

}    

dependencies {

    compile fileTree(dir: 'libs', include: ['*.jar'])
    compile('com.crashlytics.sdk.android:crashlytics:2.5.5@aar') {
        transitive = true;
    }

    compile project(':android')
    compile 'com.android.support:appcompat-v7:23.1.1'
    compile 'com.squareup.retrofit:retrofit:1.9.0'
    compile 'com.squareup.okhttp:okhttp:2.5.0'
    compile 'com.google.code.gson:gson:2.4'
    compile 'commons-codec:commons-codec:1.9'
    compile 'com.android.support:design:23.1.1'
    compile 'com.google.android.gms:play-services-analytics:8.3.0'
    compile 'com.android.support:support-v4:23.1.1'

}

android {

    compileSdkVersion 23
    buildToolsVersion "23.0.2"

    defaultConfig {
        applicationId "com.some.org.package"
        minSdkVersion 18
        targetSdkVersion 23
        versionCode 5
        versionName "0.9.0"
    }
    buildTypes {
        release {
            minifyEnabled true
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }

    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'
    }
}

---

构建日志明确提到了构建失败的原因。存在对缺少的类、错误的配置、虽然使用但未保留的属性等的各种引用

我建议您查看参考手册页面并应用建议的更改，其中大多数是

-keepattributes…

，

-dontwarn…

如果您无法解决所有警告，最后还可以添加

-ignorewarnings

以忽略其余警告，并让ProGuard继续处理您的应用程序