Flutter构建APK后测试手机安装未更新问题求助

将Flutter构建的APK安装到长期用于测试的手机后，应用并未更新为当前代码版本。反复卸载旧应用、执行flutter build apk重新构建并安装新APK，但问题依旧。同一APK安装到平板设备时，应用能正常更新至新版本。已重启手机，无效。

• 彻底清理构建缓存：执行flutter clean，再重新执行flutter build apk构建安装包。旧缓存文件可能导致构建产物未正确更新。
• 强制覆盖安装：使用adb命令adb install -r <你的APK文件路径>安装，-r参数会强制覆盖现有应用；若版本号未提升，可尝试adb install -d <你的APK文件路径>允许降级安装。
• 验证APK版本一致性：用aapt dump badging <你的APK文件路径>查看APK的versionCode和versionName，再对比手机设置中应用的版本信息，确认是否真的安装了新APK。
• 检查手机多用户/应用分身：若测试手机开启了多用户模式或应用分身，需确认所有用户下的旧应用都已卸载，避免残留的旧版本干扰。
• 排查安装权限与拦截：检查手机是否开启“安装未知应用”权限，以及是否有第三方安全软件拦截了APK安装，导致新包未实际替换旧应用。
• 确认版本号递增：检查app/build.gradle中的versionCode和versionName，若每次构建未更新版本号，部分Android系统会判定为同一版本而跳过更新。

android/build.gradle #

// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
    ext.kotlin_version = '1.9.0'
    repositories {
        google()
        mavenCentral()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:7.4.2'
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
    }
}

allprojects {
    repositories {
        google()
        mavenCentral()
    }
}

rootProject.buildDir = '../build'
subprojects {
    project.buildDir = "${rootProject.buildDir}/${project.name}"
}
subprojects {
    project.evaluationDependsOn(':app')
}

tasks.register("clean", Delete) {
    delete rootProject.buildDir
}

app/build.gradle #

plugins {
    id "com.android.application"
    // START: FlutterFire Configuration
    id 'com.google.gms.google-services'
    // END: FlutterFire Configuration
    id "kotlin-android"
    id "dev.flutter.flutter-gradle-plugin"
}

def localProperties = new Properties()
def localPropertiesFile = rootProject.file('local.properties')
if (localPropertiesFile.exists()) {
    localPropertiesFile.withReader('UTF-8') { reader ->
        localProperties.load(reader)
    }
}

def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
if (flutterVersionCode == null) {
    flutterVersionCode = '1'
}

def flutterVersionName = localProperties.getProperty('flutter.versionName')
if (flutterVersionName == null) {
    flutterVersionName = '1.0'
}

android {
    namespace "com.example.cmsc23project"
    compileSdk flutter.compileSdkVersion
    ndkVersion flutter.ndkVersion

    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }

    kotlinOptions {
        jvmTarget = '1.8'
    }

    sourceSets {
        main.java.srcDirs += 'src/main/kotlin'
    }

    defaultConfig {
        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
        applicationId "com.example.cmsc23project"
        // You can update the following values to match your application needs.
        // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-gradle-build-configuration.
        minSdkVersion 21
        // minSdkVersion flutter.minSdkVersion
        targetSdkVersion flutter.targetSdkVersion
        versionCode flutterVersionCode.toInteger()
        versionName flutterVersionName
    }

    buildTypes {
        release {
            // TODO: Add your own signing config for the release build.
            // Signing with the debug keys for now, so `flutter run --release` works.
            signingConfig signingConfigs.debug
        }
    }
}

flutter {
    source '../..'
}

dependencies {}

内容的提问来源于stack exchange，提问作者Zack Lorton