今天在生成release版本的apk時，出現了編譯失敗，百度以後，發現是混淆配置出現錯誤

Warning:com.squareup.picasso.OkHttpDownloader: can't find referenced class 
Warning:com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.Request
              .........
Warning:okio.Okio: can't find referenced class java.nio.file.Files
Warning:okio.Okio: can'
 
t find referenced class java.nio.file.Path
            .........
Warning:rx.internal.util.unsafe.BaseLinkedQueueConsumerNodeRef: can't find referenced class sun.misc.Unsafe
Warning:rx.internal.util.unsafe.BaseLinkedQueueProducerNodeRef: can't find referenced 

從上面的log中可以看到有三個包配置不正確，第一個是okhttp,第二個是okio,第三個是rx,開啟app下proguard-rules.pro，配置如下內容，便可以編譯成功。

okhttp

# okhttp
-keepattributes SourceFile,LineNumberTable
-keep class com.parse.*{ *; }
-dontwarn com.parse.**
-dontwarn com.squareup.picasso.**
-keepclasseswithmembernames class * {
    native <methods>;
}

okio

# Okio
-dontwarn com.squareup.**
-dontwarn okio.**
-keep public class org.codehaus.* { *; }
-keep public
 
 class java.nio.* { *; }

rx

# RxJava RxAndroid
-dontwarn sun.misc.**
-keepclassmembers class rx.internal.util.unsafe.*ArrayQueue*Field* {
    long producerIndex;
    long consumerIndex;
}
-keepclassmembers class rx.internal.util.unsafe.BaseLinkedQueueProducerNodeRef {
    rx.internal.util.atomic.LinkedQueueNode producerNode;
}
-keepclassmembers class rx.internal.util.unsafe.BaseLinkedQueueConsumerNodeRef {
    rx.internal.util.atomic.LinkedQueueNode consumerNode;
}

通過如上配置，可以正常生成release版本的apk了。以後出現類似的問題，只要找到對應的混淆規則新增，就可以了。。。希望對大家有用，下一篇文章，我會整理一下一些實用頻率很高的混淆配置。