Proguard 使用适用于 Android 的 AWS 开发工具包出现错误

Question

在我的 Android 应用中，我使用了一些 Amazon 的库：

• aws-android-sdk-cognito-2.2.2.jar、
• aws-android-sdk-core-2.2.2.jar、
• aws-android-sdk-ddb-2.2.2.jar、
• aws-android-sdk-ddb-mapper-2.2.2.jar、
• aws-android-sdk-sns-2.2.2.jar、
• aws-android-sdk-s3-2.2.2.jar

当我在启用 Proguard 的情况下导出 apk 文件并清空文件 proguard-project.txt 时，出现以下错误：

    [2015-09-11 09:30:32 - MainActivity] Warning: 
    com.amazonaws.services.sns.util.Topics: can't find referenced class com.amazonaws.services.sqs.model.GetQueueAttributesRequest
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.services.sns.util.Topics: can't find referenced class com.amazonaws.services.sqs.model.GetQueueAttributesRequest
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.services.sns.util.Topics: can't find referenced class com.amazonaws.services.sqs.model.QueueAttributeName
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.services.sns.util.Topics: can't find referenced class com.amazonaws.services.sqs.model.QueueAttributeName
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.services.sns.util.Topics: can't find referenced class com.amazonaws.services.sqs.model.QueueAttributeName
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.services.sns.util.Topics: can't find referenced class com.amazonaws.services.sqs.model.GetQueueAttributesRequest
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.services.sns.util.Topics: can't find referenced class com.amazonaws.services.sqs.AmazonSQS
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.services.sns.util.Topics: can't find referenced class com.amazonaws.services.sqs.AmazonSQS
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.services.sns.util.Topics: can't find referenced class com.amazonaws.services.sqs.model.GetQueueAttributesResult
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.services.sns.util.Topics: can't find referenced class com.amazonaws.services.sqs.model.GetQueueAttributesResult
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.services.sns.util.Topics: can't find referenced class com.amazonaws.services.sqs.model.QueueAttributeName
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.services.sns.util.Topics: can't find referenced class com.amazonaws.services.sqs.model.SetQueueAttributesRequest
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.services.sns.util.Topics: can't find referenced class com.amazonaws.services.sqs.model.SetQueueAttributesRequest
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.services.sns.util.Topics: can't find referenced class com.amazonaws.services.sqs.AmazonSQS
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.services.sns.util.Topics: can't find referenced class com.amazonaws.services.sqs.AmazonSQS
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.services.sns.util.Topics: can't find referenced class com.amazonaws.services.sqs.AmazonSQS
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory: can't find referenced class com.fasterxml.jackson.core.JsonFactory
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory: can't find referenced class com.fasterxml.jackson.core.JsonFactory
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory: can't find referenced class com.fasterxml.jackson.core.JsonToken
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory: can't find referenced class com.fasterxml.jackson.core.JsonToken
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory: can't find referenced class com.fasterxml.jackson.core.JsonFactory
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory: can't find referenced class com.fasterxml.jackson.core.JsonToken
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory: can't find referenced class com.fasterxml.jackson.core.JsonToken
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory: can't find referenced class com.fasterxml.jackson.core.JsonToken
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory: can't find referenced class com.fasterxml.jackson.core.JsonToken
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$1: can't find referenced class com.fasterxml.jackson.core.JsonToken
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$1: can't find referenced class com.fasterxml.jackson.core.JsonToken
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$1: can't find referenced class com.fasterxml.jackson.core.JsonToken
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$1: can't find referenced class com.fasterxml.jackson.core.JsonToken
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$1: can't find referenced class com.fasterxml.jackson.core.JsonToken
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$1: can't find referenced class com.fasterxml.jackson.core.JsonToken
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$1: can't find referenced class com.fasterxml.jackson.core.JsonToken
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$1: can't find referenced class com.fasterxml.jackson.core.JsonToken
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$1: can't find referenced class com.fasterxml.jackson.core.JsonToken
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$1: can't find referenced class com.fasterxml.jackson.core.JsonToken
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$1: can't find referenced class com.fasterxml.jackson.core.JsonToken
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$1: can't find referenced class com.fasterxml.jackson.core.JsonToken
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$1: can't find referenced class com.fasterxml.jackson.core.JsonToken
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$1: can't find referenced class com.fasterxml.jackson.core.JsonToken
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$JacksonReader: can't find referenced class com.fasterxml.jackson.core.JsonFactory
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$JacksonReader: can't find referenced class com.fasterxml.jackson.core.JsonFactory
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$JacksonReader: can't find referenced class com.fasterxml.jackson.core.JsonToken
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$JacksonReader: can't find referenced class com.fasterxml.jackson.core.JsonToken
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$JacksonReader: can't find referenced class com.fasterxml.jackson.core.JsonToken
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$JacksonReader: can't find referenced class com.fasterxml.jackson.core.JsonToken
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$JacksonReader: can't find referenced class com.fasterxml.jackson.core.JsonToken
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$JacksonReader: can't find referenced class com.fasterxml.jackson.core.JsonToken
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$JacksonReader: can't find referenced class com.fasterxml.jackson.core.JsonParser
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$JacksonReader: can't find referenced class com.fasterxml.jackson.core.JsonParser
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$JacksonReader: can't find referenced class com.fasterxml.jackson.core.JsonToken
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$JacksonReader: can't find referenced class com.fasterxml.jackson.core.JsonParser
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$JacksonReader: can't find referenced class com.fasterxml.jackson.core.JsonParser
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$JacksonReader: can't find referenced class com.fasterxml.jackson.core.JsonParser
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$JacksonReader: can't find referenced class com.fasterxml.jackson.core.JsonParser
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$JacksonReader: can't find referenced class com.fasterxml.jackson.core.JsonToken
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$JacksonReader: can't find referenced class com.fasterxml.jackson.core.JsonFactory
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$JacksonReader: can't find referenced class com.fasterxml.jackson.core.JsonFactory
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$JacksonReader: can't find referenced class com.fasterxml.jackson.core.JsonToken
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$JacksonReader: can't find referenced class com.fasterxml.jackson.core.JsonToken
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$JacksonWriter: can't find referenced class com.fasterxml.jackson.core.JsonFactory
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$JacksonWriter: can't find referenced class com.fasterxml.jackson.core.JsonFactory
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$JacksonWriter: can't find referenced class com.fasterxml.jackson.core.JsonGenerator
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$JacksonWriter: can't find referenced class com.fasterxml.jackson.core.JsonGenerator
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$JacksonWriter: can't find referenced class com.fasterxml.jackson.core.JsonGenerator
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$JacksonWriter: can't find referenced class com.fasterxml.jackson.core.JsonGenerator
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$JacksonWriter: can't find referenced class com.fasterxml.jackson.core.JsonGenerator
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$JacksonWriter: can't find referenced class com.fasterxml.jackson.core.JsonGenerator
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$JacksonWriter: can't find referenced class com.fasterxml.jackson.core.JsonGenerator
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$JacksonWriter: can't find referenced class com.fasterxml.jackson.core.JsonGenerator
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$JacksonWriter: can't find referenced class com.fasterxml.jackson.core.JsonGenerator
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$JacksonWriter: can't find referenced class com.fasterxml.jackson.core.JsonGenerator
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$JacksonWriter: can't find referenced class com.fasterxml.jackson.core.JsonGenerator
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$JacksonWriter: can't find referenced class com.fasterxml.jackson.core.JsonGenerator
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$JacksonWriter: can't find referenced class com.fasterxml.jackson.core.JsonGenerator
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$JacksonWriter: can't find referenced class com.fasterxml.jackson.core.JsonGenerator
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$JacksonWriter: can't find referenced class com.fasterxml.jackson.core.JsonGenerator
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$JacksonWriter: can't find referenced class com.fasterxml.jackson.core.JsonFactory
[2015-09-11 09:30:32 - MainActivity] Warning: com.amazonaws.util.json.JacksonFactory$JacksonWriter: can't find referenced class com.fasterxml.jackson.core.JsonFactory
[2015-09-11 09:30:32 - MainActivity]       You should check if you need to specify additional program jars.
[2015-09-11 09:30:32 - MainActivity] Warning: there were 78 unresolved references to classes or interfaces.
[2015-09-11 09:30:32 - MainActivity]          You may need to specify additional library jars (using '-libraryjars').
[2015-09-11 09:30:32 - MainActivity] java.io.IOException: Please correct the above warnings first.
[2015-09-11 09:30:32 - MainActivity]    at proguard.Initializer.execute(Initializer.java:321)
[2015-09-11 09:30:32 - MainActivity]    at proguard.ProGuard.initialize(ProGuard.java:211)
[2015-09-11 09:30:32 - MainActivity]    at proguard.ProGuard.execute(ProGuard.java:86)
[2015-09-11 09:30:32 - MainActivity]    at proguard.ProGuard.main(ProGuard.java:492)

请帮我在这种情况下如何配置 Proguard！

编辑：我使用 Eclipse。

Answer 1

这些警告是由于缺少类引用。 SDK 的打包方式可能会在 proguard 期间引起警告。但是，这些未解析的类对 SDK 没有影响。您可以放心地忽略它们。这是一个最小的 proguard 配置来抑制它们。

-keep class com.amazonaws.** { *; }
-keepnames class com.amazonaws.** { *; }
-dontwarn com.amazonaws.**
-dontwarn com.fasterxml.**

更多详情请见Proguard's trouble shooting。

Answer 2

您缺少 aws android sdk 所依赖的依赖项。

如果你使用 gradle，而不是自己获取 jar，你应该像这样导入它，哪个 gradle 会为你处理传递依赖。像这样：

compile 'com.amazonaws:aws-android-sdk-core:2.+'
compile 'com.amazonaws:aws-android-sdk-cognito:2.+'
compile 'com.amazonaws:aws-android-sdk-s3:2.+'
compile 'com.amazonaws:aws-android-sdk-ddb:2.+'

AWS 设置指南 http://docs.aws.amazon.com/mobile/sdkforandroid/developerguide/setup.html

如果您使用的是 Eclipse，则必须自己查找库。你错过了aws sqs 和jackson