RecyclerView混淆之后出现AbstractMethodError

编程语言 2018-09-05 06:08:28 阅读次数: 0
版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/z2464342708m/article/details/82220896

在做sdk打包的时候，发现了有个问题，在sdk混淆之后，Recyclerview的不会接口不能使用，出现下面这样的问题：

E/InputEventReceiver: Exception dispatching input event.
E/MessageQueue-JNI: Exception in MessageQueue callback: handleReceiveCallback
E/MessageQueue-JNI: java.lang.AbstractMethodError: abstract method "boolean android.support.v7.widget.RecyclerView$OnItemTouchListener.onInterceptTouchEvent(android.support.v7.widget.RecyclerView, android.view.MotionEvent)"
                        at android.support.v7.widget.RecyclerView.dispatchOnItemTouchIntercept(RecyclerView.java:2741)
                        at android.support.v7.widget.RecyclerView.onInterceptTouchEvent(RecyclerView.java:2787)
                        at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2175)
                        at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2634)
                        at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2264)
                        at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2634)
                        at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2264)
                        at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2634)
                        at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2264)
                        at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2634)
                        at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2264)
                        at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2634)
                        at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2264)
                        at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2634)
                        at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2264)
                        at com.android.internal.policy.DecorView.superDispatchTouchEvent(DecorView.java:417)
                        at com.android.internal.policy.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1808)
                        at android.app.Activity.dispatchTouchEvent(Activity.java:3198)
                        at android.support.v7.view.WindowCallbackWrapper.dispatchTouchEvent(WindowCallbackWrapper.java:68)
                        at com.android.internal.policy.DecorView.dispatchTouchEvent(DecorView.java:379)
                        at android.view.View.dispatchPointerEvent(View.java:10258)
                        at android.view.ViewRootImpl$ViewPostImeInputStage.processPointerEvent(ViewRootImpl.java:4500)
                        at android.view.ViewRootImpl$ViewPostImeInputStage.onProcess(ViewRootImpl.java:4365)
                        at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3905)
                        at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:3958)
                        at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:3924)
                        at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:4051)
                        at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:3932)
                        at android.view.ViewRootImpl$AsyncInputStage.apply(ViewRootImpl.java:4108)
                        at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3905)
                        at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:3958)
                        at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:3924)
                        at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:3932)
                        at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3905)
                        at android.view.ViewRootImpl.deliverInputEvent(ViewRootImpl.java:6309)
                        at android.view.ViewRootImpl.doProcessInputEvents(ViewRootImpl.java:6283)
                        at android.view.ViewRootImpl.enqueueInputEvent(ViewRootImpl.java:6244)
                        at android.view.ViewRootImpl$WindowInputEventReceiver.onInputEvent(ViewRootImpl.java:6415)
                        at android.view.InputEventReceiver.dispatchInputEvent(InputEventReceiver.java:187)
                        at android.os.MessageQueue.nativePollOnce(Native Method)
                        at android.os.MessageQueue.next(MessageQueue.java:323)
                        at android.os.Looper.loop(Looper.java:142)
                        at android.app.ActivityThread.main(ActivityThread.java:6379)
                        at java.lang.reflect.Method.invoke(Native Method)
                        at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:904)
                        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:794)
D/AndroidRuntime: Shutting down VM
E/AndroidRuntime: FATAL EXCEPTION: main
                  Process: com.qhqykj.analysis, PID: 14568
                  java.lang.AbstractMethodError: abstract method "boolean android.support.v7.widget.RecyclerView$OnItemTouchListener.onInterceptTouchEvent(android.support.v7.widget.RecyclerView, android.view.MotionEvent)"
                      at android.support.v7.widget.RecyclerView.dispatchOnItemTouchIntercept(RecyclerView.java:2741)
                      at android.support.v7.widget.RecyclerView.onInterceptTouchEvent(RecyclerView.java:2787)
                      at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2175)
                      at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2634)
                      at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2264)
                      at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2634)
                      at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2264)
                      at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2634)
                      at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2264)
                      at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2634)
                      at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2264)
                      at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2634)
                      at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2264)
                      at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2634)
                      at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2264)
                      at com.android.internal.policy.DecorView.superDispatchTouchEvent(DecorView.java:417)
                      at com.android.internal.policy.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1808)
                      at android.app.Activity.dispatchTouchEvent(Activity.java:3198)
                      at android.support.v7.view.WindowCallbackWrapper.dispatchTouchEvent(WindowCallbackWrapper.java:68)
                      at com.android.internal.policy.DecorView.dispatchTouchEvent(DecorView.java:379)
                      at android.view.View.dispatchPointerEvent(View.java:10258)
                      at android.view.ViewRootImpl$ViewPostImeInputStage.processPointerEvent(ViewRootImpl.java:4500)
                      at android.view.ViewRootImpl$ViewPostImeInputStage.onProcess(ViewRootImpl.java:4365)
                      at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3905)
                      at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:3958)
                      at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:3924)
                      at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:4051)
                      at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:3932)
                      at android.view.ViewRootImpl$AsyncInputStage.apply(ViewRootImpl.java:4108)
                      at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3905)
                      at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:3958)
                      at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:3924)
                      at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:3932)
                      at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3905)
                      at android.view.ViewRootImpl.deliverInputEvent(ViewRootImpl.java:6309)
                      at android.view.ViewRootImpl.doProcessInputEvents(ViewRootImpl.java:6283)
                      at android.view.ViewRootImpl.enqueueInputEvent(ViewRootImpl.java:6244)
                      at android.view.ViewRootImpl$WindowInputEventReceiver.onInputEvent(ViewRootImpl.java:6415)
                      at android.view.InputEventReceiver.dispatchInputEvent(InputEventReceiver.java:187)
                      at android.os.MessageQueue.nativePollOnce(Native Method)
                      at android.os.MessageQueue.next(MessageQueue.java:323)
                      at android.os.Looper.loop(Looper.java:142)
                      at android.app.ActivityThread.main(ActivityThread.java:6379)
                      at java.lang.reflect.Method.invoke(Native Method)
                      at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:904)
                      at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:794)

一看到这个问题，顿时懵逼了，怎么肥四，明明在debug版本是好好的？
百度一下，发现这类问题不多，而且还解释的不是很清楚。首先我们来分析一下，debug版本和release版本都是有混淆的

buildTypes {
        /* 线上环境 */
        release {
            // 不显示Log
            buildConfigField "boolean", "LOG_DEBUG", "true"
            buildConfigField "String", "API_HOST", "\"http://at.yunindex.com/\""//API Host
            minifyEnabled true //是否混淆
            //是否设置zip对齐优化
            zipAlignEnabled true
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }

        /* 预发环境 */
        debug {
            // 不显示Log
            buildConfigField "boolean", "LOG_DEBUG", "true"
            buildConfigField "String", "API_HOST", "\"http://api.yunindex.com/\""//API Host
            minifyEnabled true //是否混淆
            //是否设置zip对齐优化
            zipAlignEnabled true
            //签名文件
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }

    }

很可能不是混淆的问题，难道是打包的问题？

import com.android.build.gradle.LibraryPlugin
import com.android.build.gradle.AppPlugin

def getPackageName() {
    //输出AndroidManifes.xml文件的路径
    println("siy-minifest:" + android.sourceSets.main.manifest.srcFile)
    def androidManifest = new XmlSlurper().parse(android.sourceSets.main.manifest.srcFile)
    def packageName = androidManifest['@package'];
    println("siy-packageName:" + packageName);
    return packageName;
}

def packageNameToPackagePath() {
    String packagePath = "${getPackageName()}".replace('.', '\\');
    println("siy-packagePath:" + packagePath);
    return packagePath;
}

task makeJar(dependsOn: ['compileReleaseJavaWithJavac'], type: Jar) {
    group "payeco"
    description "Automatically generate the jar packages for the SDK"
    //需打包的资源所在的路径集
    def srcClassDir = [project.buildDir.absolutePath + "\\intermediates\\classes\\release"];
    //初始化资源路径集
    from srcClassDir
    //输出class文件的路径
    println("siy-srcClassDir:" + srcClassDir)
    //去除路径集下部分的资源
    exclude packageNameToPackagePath() + "\\BuildConfig.class"
    //这里需要改为自己的包名，需要将包名aa.bb.cc改成aa\bb\cc
    exclude packageNameToPackagePath() + "\\BuildConfig\$*.class"
    exclude "**\\R.class"
    exclude "**\\R\$*.class"
    //只导入资源路径集下的部分资源
    include packageNameToPackagePath() + "\\**\\*.class"
    //整理输出的 Jar 文件后缀名
    extension = "jar"
    //最终的 Jar 文件名......如果没设置，默认为 [baseName]-[appendix]-[version]-[classifier].[extension]
    archiveName = project.name + "-org-" + android.defaultConfig.versionName + "." + extension
}

task proguardJar(dependsOn: ['makeJar'], type: proguard.gradle.ProGuardTask) {
    group "payeco"
    description "Automatically generate the proguard jar packages for the SDK"
    //Android 默认的 proguard 文件
    configuration android.getDefaultProguardFile('proguard-android.txt')
    //混淆的配置文件，我的是叫 proguard.cfg，也许有人叫 proguard-project.txt
    configuration 'proguard-rules.pro'
    String inJar = makeJar.archivePath.getAbsolutePath()
    //输入未混淆jar包的路径
    println("siy-inJar:" + inJar)
    //输入 jar
    injars inJar
    //输出 jar
    String outJar = inJar.substring(0, inJar.lastIndexOf(File.separator)) + "\\${makeJar.archiveName}".replace("-org-", "-")
    //输出混淆jar包的路径
    println("siy-outJar:" + outJar)
    outjars outJar
    //设置不删除未引用的资源(类，方法等)
//    dontshrink

    Plugin plugin = getPlugins().hasPlugin(AppPlugin) ?
            getPlugins().findPlugin(AppPlugin) :
            getPlugins().findPlugin(LibraryPlugin)
    if (plugin != null) {
        List<String> runtimeJarList
        if (plugin.getMetaClass().getMetaMethod("getRuntimeJarList")) {
            runtimeJarList = plugin.getRuntimeJarList()
        } else if (android.getMetaClass().getMetaMethod("getBootClasspath")) {
            runtimeJarList = android.getBootClasspath()
        } else {
            runtimeJarList = plugin.getBootClasspath()
        }
        for (String runtimeJar : runtimeJarList) {
            println("siy-runtimejar:" + runtimeJar)
            //给 proguard 添加 runtime
            libraryjars(runtimeJar)
        }
    }
}

经过测试，通过执行makeJar任务打包的jar文件是没有问题，但是执行任务proguardJar打出来的包就有问题了，这两个任务的区别在于，makeJar没有对jar混淆，proguardJar对打包文件进行了混淆，那么，可以肯定，问题出在了混淆这一块。
分析一下异常的提示吧。RecyclerView$OnItemTouchListener.onInterceptTouchEvent问题出在这里了，没有在混淆文件中特别指定的话，那么类或者方法或者成员变量都是会被混淆的，然后OnItemTouchListener是RecyclerView的内部接口，是不是因为内部接口被混淆而不被识别了呢？
试试看再说吧，把实现OnItemTouchListener接口的类中实现的方法不混淆试试？

-keep class com.yindex.library.wrapper.YIndexOnItemTouchListenerWrapper{
     public <methods>;
 }

在proguard-rules.pro文件中加入这句，然后打包看看？
期待。。。
效果如何，试试就知道！！！！

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