包安装错误：Visual Studio Code 中的失败 [INSTALL_FAILED_OLDER_SDK]答案

【问题标题】：Package install error: Failure [INSTALL_FAILED_OLDER_SDK] in Visual Studio Code包安装错误：Visual Studio Code 中的失败 [INSTALL_FAILED_OLDER_SDK]
【发布时间】：2020-12-03 05:57:42
【问题描述】：

我尝试构建我的颤振应用程序并在我的设备上运行它，但我收到了这个错误：

我在三星 Galaxy S5 (SM G900I) 上运行我的应用程序，它是旧设备，但我过去成功地在该设备上运行我的应用程序。我认为我的 gradle 或清单中的版本有错误。我需要做什么才能修复该错误并在我的设备上安装和运行我的应用程序？

build.gradle：

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

def flutterRoot = localProperties.getProperty('flutter.sdk')
if (flutterRoot == null) {
    throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
}

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

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

apply plugin: 'com.android.application'
apply plugin: 'com.google.gms.google-services'
apply plugin: 'kotlin-android'
apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"

android {
    compileSdkVersion 28

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

    lintOptions {
        disable 'InvalidPackage'
    }

    defaultConfig {
        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
        applicationId "com.example.bar_iland_app"
        minSdkVersion 21
        targetSdkVersion 28
        versionCode flutterVersionCode.toInteger()
        versionName flutterVersionName
        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
    }

    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 {
    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'androidx.test:runner:1.1.1'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
}

AndroidManifest.xml：

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.bar_iland_app">
<!-- 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. -->
<!--uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/-->
<application
    android:name="io.flutter.app.FlutterApplication"
    android:label="bar_iland_app"
    android:icon="@mipmap/ic_launcher">
    <activity
        android:name=".MainActivity"
        android:launchMode="singleTop"
        android:theme="@style/LaunchTheme"
        android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
        android:hardwareAccelerated="true"
        android:windowSoftInputMode="adjustResize">
        <intent-filter>
            <action android:name="android.intent.action.MAIN"/>
            <category android:name="android.intent.category.LAUNCHER"/>
        </intent-filter>
    </activity>
    <!-- Don't delete the meta-data below.
         This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
    <meta-data
        android:name="flutterEmbedding"
        android:value="2"/>
</application>

【问题讨论】：

标签： android flutter sdk android-sdk-tools

【解决方案1】：

将您的 SDK 更新到您的 android 文件夹中的最新版本安卓 { compileSdkVersion 30

defaultConfig {
    targetSdkVersion 30
}

} 有时当您自动更改时无法下载如果不工作请重新安装android sdk。它工作正常或更新sdk

【讨论】：