Byte-Buddy android 在 android 14 java.lang.SecurityException 上抛出错误：不允许写入 dex 文件

问题描述 投票：0回答：1

使用 Byte Buddy Android ：参考官方链接，以前从未使用过。 有这方面的教程吗？

代码使用 AndroidClassLoadingStrategy.Wrapping，它会在可写位置（通常在应用程序的私有目录（如 /data/data/）中）生成一个 .dex 文件，并尝试执行它。 Android 10 及更高版本强制执行严格的安全策略，以防止应用程序写入 .dex 或 .jar 文件并在运行时执行它们。

我们如何使用最新的android版本的字节好友android？

    private fun runBuddyTest(context: Context) {

        val strategy = AndroidClassLoadingStrategy.Wrapping(applicationContext.getDir("generated", Context.MODE_PRIVATE))

// Create a dynamic type (subclass of Object) and modify the "toString" method
        val dynamicType = ByteBuddy()
            .subclass(Any::class.java)
            .method(ElementMatchers.named("toString"))
            .intercept(FixedValue.value("Hello World!"))
            .make()
            .load(this.javaClass.classLoader, strategy)
            .loaded

// Instantiate the dynamically created class and assert the "toString" method
        val instance = dynamicType.getDeclaredConstructor().newInstance()
        assert(instance.toString() == "Hello World!")
    }

出现此错误

 FATAL EXCEPTION: main
Process: com.rnadigital.bytebuddyapplication, PID: 12815
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.rnadigital.bytebuddyapplication/com.rnadigital.bytebuddyapplication.MainActivity}: java.lang.SecurityException: Writable dex file '/data/user/0/com.rnadigital.bytebuddyapplication/app_generated/d7rUqolH.jar' is not allowed.
    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3782)
    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3922)
    at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:103)
    at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:139)
    at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:96)
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2443)
    at android.os.Handler.dispatchMessage(Handler.java:106)
    at android.os.Looper.loopOnce(Looper.java:205)
    at android.os.Looper.loop(Looper.java:294)
    at android.app.ActivityThread.main(ActivityThread.java:8177)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:552)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:971)
Caused by: java.lang.SecurityException: Writable dex file '/data/user/0/com.rnadigital.bytebuddyapplication/app_generated/d7rUqolH.jar' is not allowed.
    at dalvik.system.DexFile.openDexFileNative(Native Method)
    at dalvik.system.DexFile.openDexFile(DexFile.java:406)
    at dalvik.system.DexFile.<init>(DexFile.java:128)
    at dalvik.system.DexFile.<init>(DexFile.java:101)
    at dalvik.system.DexPathList.loadDexFile(DexPathList.java:438)
    at dalvik.system.DexPathList.makeDexElements(DexPathList.java:397)
    at dalvik.system.DexPathList.<init>(DexPathList.java:166)
    at dalvik.system.BaseDexClassLoader.<init>(BaseDexClassLoader.java:160)
    at dalvik.system.BaseDexClassLoader.<init>(BaseDexClassLoader.java:105)
    at dalvik.system.DexClassLoader.<init>(DexClassLoader.java:55)
    at net.bytebuddy.android.AndroidClassLoadingStrategy$Wrapping.doLoad(AndroidClassLoadingStrategy.java:580)
    at net.bytebuddy.android.AndroidClassLoadingStrategy.load(AndroidClassLoadingStrategy.java:148)
    at net.bytebuddy.dynamic.TypeResolutionStrategy$Passive.initialize(TypeResolutionStrategy.java:101)
    at net.bytebuddy.dynamic.DynamicType$Default$Unloaded.load(DynamicType.java:6317)
    at com.rnadigital.bytebuddyapplication.MainActivity.generateDynamicClassInMemory(MainActivity.kt:79)
    at com.rnadigital.bytebuddyapplication.MainActivity.onCreate(MainActivity.kt:52)
    at android.app.Activity.performCreate(Activity.java:8595)
    at android.app.Activity.performCreate(Activity.java:8573)
    at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1456)
    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3764)
    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3922) 
    at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:103) 
    at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:139) 
    at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:96) 
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2443) 
    at android.os.Handler.dispatchMessage(Handler.java:106) 
    at android.os.Looper.loopOnce(Looper.java:205) 
    at android.os.Looper.loop(Looper.java:294) 
    at android.app.ActivityThread.main(ActivityThread.java:8177) 
    at java.lang.reflect.Method.invoke(Native Method) 
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:552) 
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:971)

这是gradle文件

    plugins {
    alias(libs.plugins.android.application)
    alias(libs.plugins.jetbrains.kotlin.android)

}

android {
    namespace = "com.rnadigital.bytebuddyapplication"
    compileSdk = 34

    defaultConfig {
        applicationId = "com.rnadigital.bytebuddyapplication"
        minSdk = 24
        targetSdk = 34
        versionCode = 1
        versionName = "1.0"
        multiDexEnabled = true


        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
        vectorDrawables {
            useSupportLibrary = true
        }
    }

    buildTypes {
        release {
            isMinifyEnabled = false
            proguardFiles(
                getDefaultProguardFile("proguard-android-optimize.txt"),
                "proguard-rules.pro"
            )
        }
    }
    compileOptions {
        sourceCompatibility = JavaVersion.VERSION_1_8
        targetCompatibility = JavaVersion.VERSION_1_8
    }
    kotlinOptions {
        jvmTarget = "1.8"
    }
    buildFeatures {
        compose = true
    }
    composeOptions {
        kotlinCompilerExtensionVersion = "1.5.1"
    }
    packaging {
        resources {
            excludes += "/META-INF/{AL2.0,LGPL2.1}"
        }
    }
}

dependencies {

    implementation(libs.androidx.core.ktx)
    implementation(libs.androidx.lifecycle.runtime.ktx)
    implementation(libs.androidx.activity.compose)
    implementation(platform(libs.androidx.compose.bom))
    implementation(libs.androidx.ui)
    implementation(libs.androidx.ui.graphics)
    implementation(libs.androidx.ui.tooling.preview)
    implementation(libs.androidx.material3)
    testImplementation(libs.junit)
    androidTestImplementation(libs.androidx.junit)
    androidTestImplementation(libs.androidx.espresso.core)
    androidTestImplementation(platform(libs.androidx.compose.bom))
    androidTestImplementation(libs.androidx.ui.test.junit4)
    debugImplementation(libs.androidx.ui.tooling)
    debugImplementation(libs.androidx.ui.test.manifest)
//    implementation (libs.byte.buddy)
    implementation (libs.byte.buddy.android)

}
java android kotlin android-studio byte-buddy
1个回答
0
投票

Byte Buddy 通常将文件权限设置为 

OWNER_READ
。看一下完成此操作的 
FileProcessor
类。处理器未激活吗？可能您正在运行旧版本的 Byte Buddy，而没有考虑到这一点。 Android 经常变化，因此只有较新的版本才会支持更现代的 Android。

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