Android Proguard 问题 - 跳过模糊处理时仍出现“java.io.IOException： 无法处理类...”错误

我也有pro guard的问题，但我发现从git hub的以下代码更有用。

构建.等级

buildscript {
    repositories {
        mavenCentral()
        maven {
            url 'https://oss.sonatype.org/content/repositories/snapshots/'
        }
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:0.9.+'
        classpath 'com.squareup.gradle:gradle-android-test-plugin:0.9.1-SNAPSHOT'
    }
}
apply plugin: 'android'
apply plugin: 'android-test'

repositories {
    mavenCentral()
    maven {
        url 'https://oss.sonatype.org/content/repositories/snapshots/'
    }
}

android {
    compileSdkVersion 19
    buildToolsVersion "19.1.0"

    defaultConfig {
        minSdkVersion 9
        targetSdkVersion 19
    }

    signingConfigs {
        debug {
            storeFile file("debug.keystore")
        }

        release {
            storeFile file("project.keystore")
            storePassword "1234"
            keyAlias "Project"
            keyPassword "1234"
        }
    }

    buildTypes {
        release {
            debuggable false
            runProguard true
            signingConfig signingConfigs.release
            proguardFile getDefaultProguardFile('proguard-android-optimize.txt')
        }
    }

    productFlavors {
        defaultFlavor {
            proguardFile 'proguard-rules.txt'
        }
    }

    sourceSets {
        main {
            java.srcDirs = ['src/main/java', 'src-gen/main/java']
        }
        instrumentTest.setRoot('src/test')
    }
}

dependencies {

    compile 'com.actionbarsherlock:actionbarsherlock:4.4.0@aar'
    compile 'com.android.support:support-v4:19.1.+'
    compile 'de.greenrobot:greendao:1.3.7'
    compile 'com.google.android.gms:play-services:4.4.52'

    testCompile 'junit:junit:4.10'
    testCompile 'org.robolectric:robolectric:2.1.+'
    testCompile 'com.squareup:fest-android:1.0.+'

    instrumentTestCompile 'junit:junit:4.10'
    instrumentTestCompile 'org.robolectric:robolectric:2.1.+'
    instrumentTestCompile 'com.squareup:fest-android:1.0.+'
}

task wrapper(type: Wrapper) {
    gradleVersion = '1.8'
}

专业警卫规则

####################################################################################################
    ####################################################################################################
    ####################################################################################################
    ######################################### PROGUARD #################################################
    ####################################################################################################
    ####################################################################################################
    ####################################################################################################

    # This is a configuration file for ProGuard.
    # http://proguard.sourceforge.net/index.html#manual/usage.html
    -dontusemixedcaseclassnames
    -dontskipnonpubliclibraryclasses
    -verbose

    # Optimization is turned off by default. Dex does not like code run
    # through the ProGuard optimize and preverify steps (and performs some
    # of these optimizations on its own).
    #-dontoptimize
    #-dontpreverify

    # If you want to enable optimization, you should include the
    # following:
    -optimizations !code/simplification/arithmetic,!code/simplification/cast,!field/*,!class/merging/*
    -optimizationpasses 5
    -allowaccessmodification
    #
    # Note that you cannot just include these flags in your own
    # configuration file; if you are including this file, optimization
    # will be turned off. You'll need to either edit this file, or
    # duplicate the contents of this file and remove the include of this
    # file from your project's proguard.config path property.

    -keep public class * extends android.app.Activity
    -keep public class * extends android.app.Application
    -keep public class * extends android.app.Service
    -keep public class * extends android.content.BroadcastReceiver
    -keep public class * extends android.content.ContentProvider
    -keep public class * extends android.app.backup.BackupAgent
    -keep public class * extends android.preference.Preference
    -keep public class * extends android.support.v4.app.Fragment
    -keep public class * extends android.support.v4.app.DialogFragment
    -keep public class * extends com.actionbarsherlock.app.SherlockListFragment
    -keep public class * extends com.actionbarsherlock.app.SherlockFragment
    -keep public class * extends com.actionbarsherlock.app.SherlockFragmentActivity
    -keep public class * extends android.app.Fragment
    -keep public class com.android.vending.licensing.ILicensingService

    # For native methods, see http://proguard.sourceforge.net/manual/examples.html#native
    -keepclasseswithmembernames class * {
     native <methods>;
    }

    -keep public class * extends android.view.View {
     public <init>(android.content.Context);
     public <init>(android.content.Context, android.util.AttributeSet);
     public <init>(android.content.Context, android.util.AttributeSet, int);
     public void set*(...);
    }

    -keepclasseswithmembers class * {
     public <init>(android.content.Context, android.util.AttributeSet);
    }

    -keepclasseswithmembers class * {
     public <init>(android.content.Context, android.util.AttributeSet, int);
    }

    -keepclassmembers class * extends android.app.Activity {
     public void *(android.view.View);
    }

    # For enumeration classes, see http://proguard.sourceforge.net/manual/examples.html#enumerations
    -keepclassmembers enum * {
     public static **[] values();
     public static ** valueOf(java.lang.String);
    }

    -keep class * implements android.os.Parcelable {
     public static final android.os.Parcelable$Creator *;
    }

    -keepclassmembers class **.R$* {
     public static <fields>;
    }

    -keep class android.support.v4.app.** { *; }
    -keep interface android.support.v4.app.** { *; }
    -keep class com.actionbarsherlock.** { *; }
    -keep interface com.actionbarsherlock.** { *; }
    # The support library contains references to newer platform versions.
    # Don't warn about those in case this app is linking against an older
    # platform version. We know about them, and they are safe.
    -dontwarn android.support.**
    -dontwarn com.google.ads.**

试试这个：

-dontwarn com.na.**
-keep class com.na.** { *; }
-keepattributes Signature
-keepattributes Exceptions