Flutter + MultiDex =头痛“无法在路径dexpathlist上实例化应用程序”

如何解决Flutter + MultiDex =头痛“无法在路径dexpathlist上实例化应用程序”

所以我一直在构建一个应用程序，出于某种敬虔的原因，它说我的Dex文件存在问题，找不到正确的路径，甚至找不到正确的类。该应用程序曾经在调试模式下运行，但是当我在发布模式下运行时，它崩溃了，甚至无法启动...

这是它不断抛出的错误

E / AndroidRuntime（10348）：java.lang.RuntimeException：无法实例化应用程序com.right.dashboard：java.lang.classNotFoundException：在路径中找不到类“ com.right.dashboard”： DexPathList [[zip文件“ /data/app/com.right.dashboard-1/base.apk"],nativeLibraryDirectories=[/data/app/com.right.dashboard-1/lib/arm，/ data / app / com.right.dashboard-1 / base.apk！/ lib / armeabi-v7a，/ vendor / lib，/ system / lib]]

关于我的 build.gradle 文件：

android {
    compileSdkVersion 29
    apply plugin: 'signing'
    sourceSets {
        main.java.srcDirs += 'src/main/kotlin'
    }
    //  compileOptions {
    //     sourceCompatibility JavaVersion.VERSION_1_8
    //     targetCompatibility JavaVersion.VERSION_1_8
    // }

    lintOptions {
        disable 'InvalidPackage'
    }

    defaultConfig {
        applicationId "com.right.dashboard"
        minSdkVersion 21
        targetSdkVersion 29
        multiDexEnabled true
        versionCode FlutterVersionCode.toInteger()
        versionName FlutterVersionName
    }
    signingConfigs {
    release {
        keyAlias keystoreProperties['keyAlias']
        keyPassword keystoreProperties['keyPassword']
        storeFile file(keystoreProperties['storeFile'])
        storePassword keystoreProperties['storePassword']
    }
}

    buildTypes {
        release {
            signingConfig signingConfigs.release

            minifyEnabled true

            shrinkResources true
        }
    }

    lintOptions {
    checkReleaseBuilds false
}

}

    dependencies {
        implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
        implementation 'androidx.multidex:multidex:2.0.1'
    }

关于清单，

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.right.dashboard">
  <uses-permission android:name="android.permission.INTERNET"/>

<!-- io.Flutter.app.FlutterApplication is an android.app.Application that
     calls FlutterMain.startinitialization(this); in its onCreate method.
     In most cases you can leave this as-is,but you if you want to provide
     additional functionality it is fine to subclass or reimplement
     FlutterApplication and put your custom class here. -->
<application
    android:name="com.right.dashboard"
    android:label="Dashboard"
    android:icon="@mipmap/right_logo">

我只是不明白，我所有的清单文件都整齐而精确，并且启用了multiDex，但似乎仍然向左右抛出错误。