打开 proguard 后，React Native 应用卡在启动画面上

Question

我的应用程序在使用和不使用混淆器的情况下都成功构建。 在没有 proguard 的情况下运行应用程序不会出现运行时错误。 使用混淆器运行应用程序会出现运行时错误。 在初始屏幕上崩溃。

package.json

{
  "name": "fitlink",
  "version": "0.0.1",
  "private": true,
  "scripts": {
    "android": "react-native run-android",
    "ios": "react-native run-ios",
    "start": "react-native start",
    "test": "jest",
    "lint": "eslint ."
  },
  "dependencies": {
    "@react-native-async-storage/async-storage": "^1.15.17",
    "@react-native-community/masked-view": "^0.1.11",
    "@react-navigation/drawer": "^6.3.0",
    "@react-navigation/native": "^6.0.8",
    "jetifier": "^1.6.8",
    "react": "17.0.2",
    "react-native": "0.67.2",
    "react-native-gesture-handler": "^2.2.0",
    "react-native-indicators": "^0.17.0",
    "react-native-reanimated": "^2.4.0",
    "react-native-safe-area-context": "^3.3.2",
    "react-native-screens": "^3.10.2",
    "react-native-share-menu": "^5.0.5",
    "react-native-splash-screen": "^3.3.0",
    "react-native-svg": "^12.1.1",
    "react-native-vector-icons": "^9.0.0",
    "rn-fetch-blob": "^0.12.0"
  },
  "devDependencies": {
    "@babel/core": "7.17.0",
    "@babel/runtime": "7.17.0",
    "@react-native-community/eslint-config": "2.0.0",
    "babel-jest": "26.6.3",
    "eslint": "7.14.0",
    "jest": "26.6.3",
    "metro-react-native-babel-preset": "0.66.2",
    "react-test-renderer": "17.0.2"
  },
  "jest": {
    "preset": "react-native"
  }
}

应用程序文件夹中的 proguard-rules.pro

# React Native

# Keep our interfaces so they can be used by other ProGuard rules.
# See http://sourceforge.net/p/proguard/bugs/466/
-keep,allowobfuscation @interface com.facebook.proguard.annotations.DoNotStrip
-keep,allowobfuscation @interface com.facebook.proguard.annotations.KeepGettersAndSetters

# Do not strip any method/class that is annotated with @DoNotStrip
-keep @com.facebook.proguard.annotations.DoNotStrip class *
-keepclassmembers class * {
    @com.facebook.proguard.annotations.DoNotStrip *;
}

-keep @com.facebook.proguard.annotations.DoNotStripAny class * {
    *;
}

-keepclassmembers @com.facebook.proguard.annotations.KeepGettersAndSetters class * {
  void set*(***);
  *** get*();
}

-keep class * implements com.facebook.react.bridge.JavaScriptModule { *; }
-keep class * implements com.facebook.react.bridge.NativeModule { *; }
-keepclassmembers,includedescriptorclasses class * { native <methods>; }
-keepclassmembers class *  { @com.facebook.react.uimanager.annotations.ReactProp <methods>; }
-keepclassmembers class *  { @com.facebook.react.uimanager.annotations.ReactPropGroup <methods>; }

-dontwarn com.facebook.react.**
-keep,includedescriptorclasses class com.facebook.react.bridge.** { *; }
-keep,includedescriptorclasses class com.facebook.react.turbomodule.core.** { *; }

# hermes
-keep class com.facebook.jni.** { *; }

# okio
-keep class sun.misc.Unsafe { *; }
-dontwarn java.nio.file.*
-dontwarn org.codehaus.mojo.animal_sniffer.IgnoreJRERequirement
-dontwarn okio.**

-keep class com.swmansion.reanimated.** { *; }
-keep class com.facebook.react.turbomodule.** { *; }

-dontwarn okhttp3.**
-dontwarn javax.annotation.**
-dontwarn org.conscrypt.**
# A resource is loaded with a relative path so the package of this class must be preserved.
-keepnames class okhttp3.internal.publicsuffix.PublicSuffixDatabase

android/应用程序/build.gradle

apply plugin: "com.android.application"

import com.android.build.OutputFile

project.ext.react = [
    enableHermes: true,
]

apply from: "../../node_modules/react-native/react.gradle"

def enableSeparateBuildPerCPUArchitecture = false

def enableProguardInReleaseBuilds = true

def jscFlavor = 'org.webkit:android-jsc:+'

def enableHermes = project.ext.react.get("enableHermes", false);

def nativeArchitectures = project.getProperties().get("reactNativeDebugArchitectures")

android {
    ndkVersion rootProject.ext.ndkVersion

    compileSdkVersion rootProject.ext.compileSdkVersion

    defaultConfig {
        applicationId "com.fitlink"
        minSdkVersion rootProject.ext.minSdkVersion
        targetSdkVersion rootProject.ext.targetSdkVersion
        versionCode 1
        versionName "1.0"
    }
    splits {
        abi {
            reset()
            enable enableSeparateBuildPerCPUArchitecture
            universalApk false  // If true, also generate a universal APK
            include "armeabi-v7a", "x86", "arm64-v8a", "x86_64"
        }
    }
    signingConfigs {
        debug {
            storeFile file('debug.keystore')
            storePassword 'android'
            keyAlias 'androiddebugkey'
            keyPassword 'android'
        }
        release {
            storeFile file('fk.keystore')
            storePassword '************'
            keyAlias 'your_key_alias'
            keyPassword '***********'
        }
    }
    buildTypes {
        debug {
            signingConfig signingConfigs.debug
            if (nativeArchitectures) {
                ndk {
                    abiFilters nativeArchitectures.split(',')
                }
            }
        }
        release {
            signingConfig signingConfigs.debug
            minifyEnabled enableProguardInReleaseBuilds
            proguardFiles getDefaultProguardFile("proguard-android.txt"), "proguard-rules.pro"
        }
    }

    applicationVariants.all { variant ->
        variant.outputs.each { output ->
            def versionCodes = ["armeabi-v7a": 1, "x86": 2, "arm64-v8a": 3, "x86_64": 4]
            def abi = output.getFilter(OutputFile.ABI)
            if (abi != null) {
                output.versionCodeOverride =
                        defaultConfig.versionCode * 1000 + versionCodes.get(abi)
            }

        }
    }
}

dependencies {
    implementation fileTree(dir: "libs", include: ["*.jar"])
    //noinspection GradleDynamicVersion
    implementation "com.facebook.react:react-native:+"  // From node_modules
    implementation project(':react-native-share-menu')
    implementation project(':react-native-vector-icons')
    implementation project(':rn-fetch-blob')
    implementation project(':react-native-svg')
    implementation project(':react-native-splash-screen')
    implementation project(':react-native-safe-area-context')
    implementation "androidx.swiperefreshlayout:swiperefreshlayout:1.0.0"

    debugImplementation("com.facebook.flipper:flipper:${FLIPPER_VERSION}") {
        exclude group:'com.facebook.fbjni'
    }

    debugImplementation("com.facebook.flipper:flipper-network-plugin:${FLIPPER_VERSION}") {
        exclude group:'com.facebook.flipper'
        exclude group:'com.squareup.okhttp3', module:'okhttp'
    }

    debugImplementation("com.facebook.flipper:flipper-fresco-plugin:${FLIPPER_VERSION}") {
        exclude group:'com.facebook.flipper'
    }

    if (enableHermes) {
        def hermesPath = "../../node_modules/hermes-engine/android/";
        debugImplementation files(hermesPath + "hermes-debug.aar")
        releaseImplementation files(hermesPath + "hermes-release.aar")
    } else {
        implementation jscFlavor
    }
}

task copyDownloadableDepsToLibs(type: Copy) {
    from configurations.implementation
    into 'libs'
}

apply from: file("../../node_modules/@react-native-community/cli-platform-android/native_modules.gradle"); applyNativeModulesAppBuildGradle(project)

project.ext.vectoricons = [
    iconFontNames: [ 'Ionicons.ttf' ] // Name of the font files you want to copy
]

apply from: "../../node_modules/react-native-vector-icons/fonts.gradle"

我究竟做错了什么？ 为什么应用程序在显示启动画面后崩溃？

Answer 1

将proguard.pro改成后解决

-keep,allowobfuscation @interface com.facebook.proguard.annotations.DoNotStrip
-keep,allowobfuscation @interface com.facebook.proguard.annotations.KeepGettersAndSetters
-keep,allowobfuscation @interface com.facebook.common.internal.DoNotStrip
-keep,allowobfuscation @interface com.facebook.jni.annotations.DoNotStrip

-keep @com.facebook.proguard.annotations.DoNotStrip class *
-keep @com.facebook.common.internal.DoNotStrip class *
-keep @com.facebook.jni.annotations.DoNotStrip class *
-keepclassmembers class * {
    @com.facebook.proguard.annotations.DoNotStrip *;
    @com.facebook.common.internal.DoNotStrip *;
    @com.facebook.jni.annotations.DoNotStrip *;
}

-keepclassmembers @com.facebook.proguard.annotations.KeepGettersAndSetters class * {
  void set*(***);
  *** get*();
}

-keep class * implements com.facebook.react.bridge.JavaScriptModule { *; }
-keep class * implements com.facebook.react.bridge.NativeModule { *; }
-keepclassmembers,includedescriptorclasses class * { native <methods>; }
-keepclassmembers class *  { @com.facebook.react.uimanager.annotations.ReactProp <methods>; }
-keepclassmembers class *  { @com.facebook.react.uimanager.annotations.ReactPropGroup <methods>; }

-dontwarn com.facebook.react.**
-keep,includedescriptorclasses class com.facebook.react.bridge.** { *; }
-keep,includedescriptorclasses class com.facebook.react.turbomodule.core.** { *; }

-keep class com.facebook.jni.** { *; }

-keep class sun.misc.Unsafe { *; }
-dontwarn java.nio.file.*
-dontwarn org.codehaus.mojo.animal_sniffer.IgnoreJRERequirement
-dontwarn okio.**

-dontobfuscate

-keep class com.swmansion.reanimated.** { *; }
-keep class com.facebook.react.turbomodule.** { *; }

# -keep @com.facebook.proguard.annotations.DoNotStripAny class * {
#     *;
# }
# -dontwarn javax.annotation.**
# -dontwarn org.conscrypt.**
# -keepnames class okhttp3.internal.publicsuffix.PublicSuffixDatabase