在Android Studio中使用ProGuard后找不到classes.jar [英] classes.jar not found after using ProGuard in Android studio

问题描述

我在build.grade中启用了minifyEnabled true.

I have enabled minifyEnabled true in build.grade .

[...]
            Information:Gradle tasks [:app:assembleRelease]
            Warning:com.caverock.androidsvg.SVGImageView: can't find referenced class com.caverock.androidsvg.R$styleable
            Warning:com.caverock.androidsvg.SVGImageView: can't find referenced class com.caverock.androidsvg.R
            Warning:there were 3 unresolved references to classes or interfaces.
                     You may need to add missing library jars or update their versions.
                     If your code works fine without the missing classes, you can suppress
                     the warnings with '-dontwarn' options.
                   (http://proguard.sourceforge.net/manual/troubleshooting.html#unresolvedclass)
            Exception while processing task 
            java.io.IOException: Please correct the above warnings first.
                at proguard.Initializer.execute(Initializer.java:473)
                at proguard.ProGuard.initialize(ProGuard.java:233)
                at proguard.ProGuard.execute(ProGuard.java:98)
                at proguard.gradle.ProGuardTask.proguard(ProGuardTask.java:1074)
                at com.android.build.gradle.tasks.AndroidProGuardTask.doMinification(AndroidProGuardTask.java:137)
                at com.android.build.gradle.tasks.AndroidProGuardTask$1.run(AndroidProGuardTask.java:113)
                at com.android.builder.tasks.Job.runTask(Job.java:48)
                at com.android.build.gradle.tasks.SimpleWorkQueue$EmptyThreadContext.runTask(SimpleWorkQueue.java:41)
                at com.android.builder.tasks.WorkQueue.run(WorkQueue.java:227)
                at java.lang.Thread.run(Thread.java:745)
            :app:dexRelease
            :app:validateExternalOverrideSigning
            :app:packageRelease FAILED
            Error:Execution failed for task ':app:packageRelease'.
            > Unable to compute hash of /Users/sanjay/Desktop/android_project/RestaurantApp/app/build/intermediates/classes-proguard/release/classes.jar
            Information:BUILD FAILED
[...]

推荐答案

我遇到了相同的问题，并在某处阅读了解决此问题的方法，该方法是 禁用minifyEnabled ，生成签名的APK.

I had the same issue and read somewhere a workaround to this issue and it was to disable minifyEnabled, generate signed APK.

buildTypes {
    release {
        minifyEnabled false
        shrinkResources true
        proguardFiles 'proguard-project.txt'
    }

在将buildTool更新到23.0之前，我从未遇到过这个问题.

I never face this issue before updating buildTool to 23.0.

此外，对于此较新的版本，您需要将其添加到您的 Progaurd.txt文件.

Also, with this newer version, you need to add this to your Progaurd.txt file.

-keep public class com.google.android.gms.* { public *; }
-dontwarn com.google.android.gms.**

希望这也有助于解决您的问题.

Hope this helps to resolve your issue too.

这篇关于在Android Studio中使用ProGuard后找不到classes.jar的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！