文章目录

• 一、报错信息
• 二、问题分析

一、报错信息

从 DEX 文件加载 Activity 组件 , 运行时报如下错误 ;

2021-12-12 14:02:52.432 5342-5342/com.example.classloader_demo E/AndroidRuntime: FATAL EXCEPTION: main
    Process: com.example.classloader_demo, PID: 5342
    java.lang.VerifyError: Verifier rejected class androidx.appcompat.app.WindowDecorActionBar: androidx.appcompat.view.ActionMode androidx.appcompat.app.WindowDecorActionBar.startActionMode(androidx.appcompat.view.ActionMode$Callback) failed to verify: androidx.appcompat.view.ActionMode androidx.appcompat.app.WindowDecorActionBar.startActionMode(androidx.appcompat.view.ActionMode$Callback): [0x2A] register v0 has type Precise Reference: androidx.appcompat.app.WindowDecorActionBar$ActionModeImpl but expected Reference: androidx.appcompat.view.ActionMode (declaration of 'androidx.appcompat.app.WindowDecorActionBar' appears in /data/app/com.example.classloader_demo-F2fgfWcEO4AIIt49r9aB1w==/base.apk)
        at androidx.appcompat.app.AppCompatDelegateImpl.initWindowDecorActionBar(AppCompatDelegateImpl.java:557)
        at androidx.appcompat.app.AppCompatDelegateImpl.getSupportActionBar(AppCompatDelegateImpl.java:537)
        at androidx.appcompat.app.AppCompatDelegateImpl.onPostResume(AppCompatDelegateImpl.java:679)
        at androidx.appcompat.app.AppCompatActivity.onPostResume(AppCompatActivity.java:241)
        at android.app.Activity.performResume(Activity.java:7325)
        at android.app.ActivityThread.performResumeActivity(ActivityThread.java:3814)
        at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:3854)
        at android.app.servertransaction.ResumeActivityItem.execute(ResumeActivityItem.java:51)
        at android.app.servertransaction.TransactionExecutor.executeLifecycleState(TransactionExecutor.java:145)
        at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:70)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1816)