如何修复预期的Android API级别21+;但在安卓系统中只有19岁
在我的应用程序中,我希望从服务器获取数据,以便连接到我使用的服务器改装,OkHttp如何修复预期的Android API级别21+;但在安卓系统中只有19岁,android,kotlin,retrofit2,okhttp3,Android,Kotlin,Retrofit2,Okhttp3,在我的应用程序中,我希望从服务器获取数据,以便连接到我使用的服务器改装,OkHttp 但在运行应用程序时,向我显示强制关闭错误。 在android中,api 21+不是错误,而是在api 21下方显示强制关闭错误。 ApiClient类代码: class ApiClient constructor(private val deviceUUID: String) { private val apiServices: ApiServices init { //Gs
但在运行应用程序时,向我显示强制关闭错误。
在android中,api 21+不是错误,而是在api 21下方显示强制关闭错误。
ApiClient类代码:
class ApiClient constructor(private val deviceUUID: String) {
private val apiServices: ApiServices
init {
//Gson
val gson = GsonBuilder()
.setLenient()
.create()
//Http log
val loggingInterceptor = HttpLoggingInterceptor()
loggingInterceptor.level =
if (BuildConfig.DEBUG) HttpLoggingInterceptor.Level.BODY else HttpLoggingInterceptor.Level.NONE
//Http Builder
val clientBuilder = OkHttpClient.Builder()
clientBuilder.interceptors().add(loggingInterceptor)
clientBuilder.addInterceptor { chain ->
val request = chain.request()
request.newBuilder().addHeader(AGENT_NAME, AGENT_VALUE).build()
chain.proceed(request)
}
clientBuilder.addInterceptor { chain ->
val request = chain.request()
request.newBuilder().addHeader(X_CLIENT_VERSION, APP_VERSION_NAME).build()
chain.proceed(request)
}
clientBuilder.addInterceptor { chain ->
val request = chain.request()
request.newBuilder().addHeader(UUID_NAME, deviceUUID).build()
chain.proceed(request)
}
//Http client
val client = clientBuilder
.readTimeout(NETWORK_CONNECTIONS_TIME, TimeUnit.SECONDS)
.writeTimeout(NETWORK_CONNECTIONS_TIME, TimeUnit.SECONDS)
.connectTimeout(NETWORK_CONNECTIONS_TIME, TimeUnit.SECONDS)
.retryOnConnectionFailure(true)
.build()
//Retrofit
val retrofit = Retrofit.Builder()
.baseUrl(BASE_URL)
.client(client)
.addConverterFactory(GsonConverterFactory.create(gson))
.addCallAdapterFactory(RxJava2CallAdapterFactory.createWithScheduler(Schedulers.io()))
.build()
//Init apiServices
apiServices = retrofit.create(ApiServices::class.java)
}
companion object {
private var apiClient: ApiClient? = null
fun getInstance(deviceUUID: String): ApiClient =
apiClient ?: synchronized(this) {
apiClient ?: ApiClient(deviceUUID).also {
apiClient = it
}
}
}
/**
* Send apiServices to ApisUseCase for initialize all of apis
*/
fun apisUseCase(): ApisUseCase {
return ApisUseCase(apiServices)
}
}
apply plugin: 'com.android.application'
apply plugin: 'kotlin-android'
apply plugin: 'kotlin-android-extensions'
apply plugin: 'androidx.navigation.safeargs'
apply plugin: 'kotlin-kapt'
apply plugin: 'io.fabric'
android {
compileSdkVersion 28
defaultConfig {
applicationId "com.app.android"
minSdkVersion 16
targetSdkVersion 28
versionCode 100
versionName "2.5.0"
testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
vectorDrawables.useSupportLibrary = true
multiDexEnabled true
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
}
}
compileOptions {
sourceCompatibility = '1.8'
targetCompatibility = '1.8'
}
}
repositories {
maven { url 'https://maven.fabric.io/public' }
}
dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
implementation 'androidx.appcompat:appcompat:1.1.0-beta01'
implementation 'androidx.core:core-ktx:1.2.0-alpha02'
implementation 'com.google.android.material:material:1.0.0'
implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
implementation 'androidx.recyclerview:recyclerview:1.0.0'
implementation 'androidx.cardview:cardview:1.0.0'
implementation 'androidx.viewpager:viewpager:1.0.0'
implementation 'androidx.legacy:legacy-support-v4:1.0.0'
implementation 'androidx.core:core:1.0.2'
testImplementation 'junit:junit:4.12'
androidTestImplementation 'androidx.test:runner:1.2.0'
androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
//JWT decoder
implementation 'com.auth0.android:jwtdecode:1.2.0'
//Anko lib
implementation "org.jetbrains.anko:anko-commons:0.10.8"
implementation "org.jetbrains.anko:anko-design:0.10.8"
//Rx
implementation "io.reactivex.rxjava2:rxandroid:2.1.1"
implementation "io.reactivex.rxjava2:rxjava:2.2.8"
//OkHttp
implementation 'com.squareup.okhttp3:okhttp:3.14.1'
implementation "com.squareup.okhttp3:logging-interceptor:3.14.0"
//Retrofit
implementation "com.squareup.retrofit2:retrofit:2.5.0"
implementation "com.squareup.retrofit2:adapter-rxjava2:2.5.0"
implementation "com.squareup.retrofit2:converter-gson:2.5.0"
//Gson
implementation 'com.google.code.gson:gson:2.8.5'
//Image
implementation 'com.github.bumptech.glide:glide:4.9.0'
annotationProcessor 'com.github.bumptech.glide:compiler:4.9.0'
//Calligraphy
implementation 'io.github.inflationx:calligraphy3:3.1.0'
implementation 'io.github.inflationx:viewpump:1.0.0'
//Navigation
implementation 'androidx.navigation:navigation-fragment-ktx:2.1.0-alpha05'
implementation 'androidx.navigation:navigation-ui-ktx:2.1.0-alpha05'
//Preferences lib
implementation 'com.github.MrNouri:GoodPrefs:1.0'
//Multiple sizes
implementation 'com.intuit.sdp:sdp-android:1.0.6'
// OnBoarding
implementation 'com.codemybrainsout.onboarding:onboarder:1.0.4'
//Alerter
implementation 'com.tapadoo.android:alerter:4.0.2'
//Fabric answer
implementation('com.crashlytics.sdk.android:answers:1.4.7@aar') { transitive = true }
//Fabric crash
implementation('com.crashlytics.sdk.android:crashlytics:2.9.9@aar') { transitive = true }
//Adjust
implementation 'com.adjust.sdk:adjust-android:4.17.0'
implementation 'com.android.installreferrer:installreferrer:1.0'
//Google and firebase services
implementation 'com.google.android.gms:play-services-analytics:16.0.8'
implementation 'com.google.firebase:firebase-core:16.0.9'
implementation 'com.google.firebase:firebase-messaging:17.6.0'
//Support MultiDex
implementation 'androidx.multidex:multidex:2.0.1'
//Room
implementation 'androidx.room:room-runtime:2.1.0'
annotationProcessor 'androidx.room:room-compiler:2.1.0'
//Android svg and noneOldAndroid
implementation 'com.caverock:androidsvg-aar:1.3'
implementation 'com.nineoldandroids:library:2.4.0'
//Animations
implementation 'com.daimajia.easing:library:2.0@aar'
implementation 'com.daimajia.androidanimations:library:2.3@aar'
}
apply plugin: 'com.google.gms.google-services'
显示此行的错误:.build()
在此方法上val client=clientBuilder
我在gradle.build中添加了这些代码
compileOptions {
sourceCompatibility = '1.8'
targetCompatibility = '1.8'
}
java.lang.ExceptionInInitializerError
at okhttp3.OkHttpClient.newSslSocketFactory(OkHttpClient.java:263)
at okhttp3.OkHttpClient.<init>(OkHttpClient.java:229)
at okhttp3.OkHttpClient$Builder.build(OkHttpClient.java:1015)
at com.app.android.data.services.ApiClient.<init>(ApiClient.kt:56)
at com.app.android.ui.splash.SplashPresenterImpl.checkUpdate(SplashPresenterImpl.kt:18)
at com.app.android.ui.splash.SplashActivity.onCreate(SplashActivity.kt:40)
at android.app.Activity.performCreate(Activity.java:5231)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1104)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2157)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2243)
at android.app.ActivityThread.access$800(ActivityThread.java:135)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5019)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.IllegalStateException: Expected Android API level 21+ but was 19
at okhttp3.internal.platform.AndroidPlatform.buildIfSupported(AndroidPlatform.java:238)
at okhttp3.internal.platform.Platform.findPlatform(Platform.java:202)
at okhttp3.internal.platform.Platform.<clinit>(Platform.java:79)
但再一次告诉我错误
错误消息:
compileOptions {
sourceCompatibility = '1.8'
targetCompatibility = '1.8'
}
java.lang.ExceptionInInitializerError
at okhttp3.OkHttpClient.newSslSocketFactory(OkHttpClient.java:263)
at okhttp3.OkHttpClient.<init>(OkHttpClient.java:229)
at okhttp3.OkHttpClient$Builder.build(OkHttpClient.java:1015)
at com.app.android.data.services.ApiClient.<init>(ApiClient.kt:56)
at com.app.android.ui.splash.SplashPresenterImpl.checkUpdate(SplashPresenterImpl.kt:18)
at com.app.android.ui.splash.SplashActivity.onCreate(SplashActivity.kt:40)
at android.app.Activity.performCreate(Activity.java:5231)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1104)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2157)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2243)
at android.app.ActivityThread.access$800(ActivityThread.java:135)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5019)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.IllegalStateException: Expected Android API level 21+ but was 19
at okhttp3.internal.platform.AndroidPlatform.buildIfSupported(AndroidPlatform.java:238)
at okhttp3.internal.platform.Platform.findPlatform(Platform.java:202)
at okhttp3.internal.platform.Platform.<clinit>(Platform.java:79)
如何修复它?对于低于21的minSDK,请在gradle中将您的OkHttp版本更改为3.12.12,如下所示-
//OkHttp
implementation ("com.squareup.okhttp3:okhttp:3.12.12"){
force = true //API 19 support
}
implementation 'com.squareup.okhttp3:logging-interceptor:3.12.12'
它应该很好用 OKHTTP刚刚放弃了对Android 4的支持 您必须为您的应用程序使用旧版本或sperate分支 更多信息,请参阅杰西·威尔逊的这篇中篇文章:
当我在build.gradle文件中添加下面的内容时,我在API级别19中遇到了同样的问题
implementation 'com.squareup.okhttp3:okhttp:3.12.2'
implementation 'com.squareup.okhttp3:logging-interceptor:3.13.1'
最后,下面的代码帮助我解决了这个问题:
implementation 'com.squareup.okhttp3:okhttp:3.11.0'
implementation 'com.squareup.okhttp3:logging-interceptor:3.5.0'
希望这个解决方案对所有人都有效。Android 4.4(适合我)
对于仍然需要旧版本Android库的所有人,您需要使用OkHttp 3.12.x分支。该分支的最新版本是。我已经测试并确认该版本在三星平板电脑SM-T116NU(安卓19)上运行 以下是OkHttp的摘录: OkHttp 3.12.x分支支持Android 2.3+(API级别9+)和Java 7+。这些平台缺乏对TLS 1.2的支持,因此不应使用。但由于升级很困难,我们将在2020年12月31日之前将关键补丁备份到3.12.x分支
api级别低于21时,请使用版本3.11.0
implementation 'com.squareup.okhttp3:okhttp:3.11.0'
implementation 'com.squareup.okhttp3:logging-interceptor:3.11.0'
谢谢@
此代码适用于Android API 19:
// Note: 3.12.+ to support Android API 19
implementation 'com.squareup.okhttp3:okhttp:3.12.10'
implementation 'com.squareup.okhttp3:logging-interceptor:3.12.10'
implementation 'io.reactivex.rxjava2:rxkotlin:2.4.0'
implementation 'io.reactivex.rxjava2:rxandroid:2.1.1'
implementation 'com.squareup.retrofit2:adapter-rxjava2:2.6.4'
implementation 'com.squareup.retrofit2:converter-gson:2.6.4'
implementation 'com.squareup.retrofit2:converter-scalars:2.6.4'
testImplementation 'com.squareup.retrofit2:retrofit-mock:2.6.4'
androidTestImplementation 'com.squareup.retrofit2:retrofit-mock:2.6.4'
在这里,我解决了将依赖关系降级到这个版本的问题
api 'com.squareup.retrofit2:retrofit:2.3.0'
api 'com.squareup.retrofit2:converter-gson:2.3.0'
api 'com.squareup.okhttp3:okhttp:3.8.0'
并将此代码添加到MainActivity的onCreate中
try {
ProviderInstaller.installIfNeeded(this);
} catch (GooglePlayServicesRepairableException e) {
// Indicates that Google Play services is out of date, disabled, etc.
// Prompt the user to install/update/enable Google Play services.
GoogleApiAvailability.getInstance()
.showErrorNotification(this, e.getConnectionStatusCode());
} catch (GooglePlayServicesNotAvailableException e) {
// Indicates a non-recoverable error; the ProviderInstaller is not able
// to install an up-to-date Provider.
}
降级依赖项是neet,因为最新版本需要android API 21或更高版本
上面的代码用于android更新您的安全提供商,以防止SSL攻击。请参阅以了解更多信息。注意@Anupam answer-如果您使用的是Android Studio 4.0,则不推荐使用force+ 强制依赖 不推荐在一级依赖项上使用force=true强制依赖项版本 Force既有语义问题,也有顺序问题,可以通过使用严格的 前进的道路是使用关键字“严格”进行依赖关系降级。 指 所以你应该做如下的事情
implementation ('com.squareup.okhttp3:okhttp'){
version {
strictly '3.12.12'
}
}
据报道,他们放弃了对安卓4的支持
解决方案是使用Okhttp的3.12.x版本:
def okhttp_version="3.12.0"
implementation "com.squareup.okhttp3:logging-interceptor:$okhttp_version"
implementation("com.squareup.okhttp3:okhttp") {
version { strictly "$okhttp_version" }
}
您还可以通过以下内容了解此更改的原因:
为什么是安卓5+,为什么是现在
TLS是使HTTPS调用安全、私有和安全的机制
认证的。OkHttp知道五个版本:SSLv3(1996),TLSv1
(1999)、TLSv1.1(2006)、TLSv1.2(2008)和TLSv1.3(2018)。我们放弃了
2014年针对贵宾犬袭击对SSLv3的支持
现在是时候放弃TLSv1和TLSv1.1,并使TLSv1.2成为
互联网的新最低标准。10月15日,我们的同事在
谷歌、Mozilla、微软和苹果宣布他们的浏览器
将要求在2020年初启动TLSv1.2或更高版本
谷歌在安卓5.0中增加了对TLSv1.2的支持。甲骨文在
爪哇8。在OkHttp 3.13中,我们要求主机平台具有内置的
对TLSv1.2的支持
安卓4.x呢
谷歌的分发仪表板显示,大约11%的设备
2018年10月访问了Play商店,当时他们正在运行Android 4.x。我们已经
创建了一个分支okhttp3.12.x来支持这些设备。我们应该吗
如果遇到任何严重的错误或安全问题,我们将备份
修复和发布。我们计划将这家分行维持到12月
2020年12月31日
如果你真的需要Android 4.x上的TLSv1.2,那是可能的!安库什
古普塔写了一份详尽的指南,解释了如何获得谷歌
播放服务来完成它。即使你遵循这个过程,你也应该
仍然在Android 4.x设备上使用OkHttp 3.12.x
安卓4.x
谷歌的分发仪表盘显示,2018年10月访问Play商店的设备中约有11%运行Android 4.x。我们创建了一个分支okhttp3.12.x来支持这些设备。如果我们遇到任何严重的错误或安全问题,我们将备份修复并发布。我们计划将该分行维持至2020年12月31日
如果你真的需要Android 4.x上的TLSv1.2,那是可能的!安库什·古普塔(Ankush Gupta)编写了一份详尽的指南,解释了如何让谷歌Play服务做到这一点。即使你遵循这个过程,你仍然应该在Android 4.x设备上使用OkHttp 3.12.x
所以你可以使用下面的代码来解决你的问题
implementation ("com.squareup.okhttp3:okhttp:3.12.12"){
force = true //API 19 support
}
implementation 'com.squareup.okhttp3:logging-interceptor:3.12.12'
对不起,4.4。fail3.12.5是截至2019年9月的最新版本。你可以在这里找到最新的3.12.x版本:新的gradle语法:
implementation('com.squareup.okhttp3:okhttp'){version{version{严格地说是'3.12.12'}}
对于我来说,在更新操作系统11(像素4)后出现同样的错误,有人测试过android操作系统11吗?我会试试你们为我工作的地方。感谢链接,对决定充满信心。谢谢真的很欣赏这一点,因为okhttp通常与改型一起使用,所以了解哪种改型版本适用于哪种okhttp版本是件好事Square博客引用了一篇关于它的文章: