建议去除okhttp换成HttpUrlConnection，库中的okhttp可能会引起与Retrofit库中底层Okhttp版本冲突

[hardgit]

build_versions.min_sdk = 19
build_versions.target_sdk = 29
build_versions.compile_sdk = 29
build_versions.build_tools = "29.0.3"
测试机华为 P10

2020-08-17 10:52:42.940 1243-1730/com.axnx.ddsn W/System.err: io.reactivex.exceptions.UndeliverableException: The exception could not be delivered to the consumer because it has already canceled/disposed the flow or the exception has nowhere to go to begin with. Further reading: https://github.com/ReactiveX/RxJava/wiki/What's-different-in-2.0#error-handling | No virtual method log(ILjava/lang/String;Ljava/lang/Throwable;)V in class Lokhttp3/internal/platform/Platform; or its super classes (declaration of 'okhttp3.internal.platform.Platform' appears in /data/app/com.axnx.ddsn-2/base.apk:classes3.dex)
2020-08-17 10:52:42.940 1243-1730/com.axnx.ddsn W/System.err: at io.reactivex.plugins.RxJavaPlugins.onError(RxJavaPlugins.java:367)
2020-08-17 10:52:42.940 1243-1730/com.axnx.ddsn W/System.err: at io.reactivex.internal.schedulers.ScheduledRunnable.run(ScheduledRunnable.java:69)
2020-08-17 10:52:42.941 1243-1730/com.axnx.ddsn W/System.err: at io.reactivex.internal.schedulers.ScheduledRunnable.call(ScheduledRunnable.java:57)
2020-08-17 10:52:42.941 1243-1730/com.axnx.ddsn W/System.err: at java.util.concurrent.FutureTask.run(FutureTask.java:237)
2020-08-17 10:52:42.941 1243-1730/com.axnx.ddsn W/System.err: at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:272)
2020-08-17 10:52:42.941 1243-1730/com.axnx.ddsn W/System.err: at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1133)
2020-08-17 10:52:42.941 1243-1730/com.axnx.ddsn W/System.err: at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:607)
2020-08-17 10:52:42.941 1243-1730/com.axnx.ddsn W/System.err: at java.lang.Thread.run(Thread.java:776)
2020-08-17 10:52:42.941 1243-1730/com.axnx.ddsn W/System.err: Caused by: java.lang.NoSuchMethodError: No virtual method log(ILjava/lang/String;Ljava/lang/Throwable;)V in class Lokhttp3/internal/platform/Platform; or its super classes (declaration of 'okhttp3.internal.platform.Platform' appears in /data/app/com.axnx.ddsn-2/base.apk:classes3.dex)
2020-08-17 10:52:42.941 1243-1730/com.axnx.ddsn W/System.err: at okhttp3.logging.HttpLoggingInterceptor$Logger$1.log(HttpLoggingInterceptor.java:111)
2020-08-17 10:52:42.941 1243-1730/com.axnx.ddsn W/System.err: at okhttp3.logging.HttpLoggingInterceptor.intercept(HttpLoggingInterceptor.java:161)
2020-08-17 10:52:42.941 1243-1730/com.axnx.ddsn W/System.err: at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:112)
2020-08-17 10:52:42.941 1243-1730/com.axnx.ddsn W/System.err: at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:87)
2020-08-17 10:52:42.941 1243-1730/com.axnx.ddsn W/System.err: at okhttp3.RealCall.getResponseWithInterceptorChain(RealCall.kt:194)
2020-08-17 10:52:42.941 1243-1730/com.axnx.ddsn W/System.err: at okhttp3.RealCall.execute(RealCall.kt:67)
2020-08-17 10:52:42.941 1243-1730/com.axnx.ddsn W/System.err: at retrofit2.OkHttpCall.execute(OkHttpCall.java:180)
2020-08-17 10:52:42.941 1243-1730/com.axnx.ddsn W/System.err: at retrofit2.adapter.rxjava2.CallExecuteObservable.subscribeActual(CallExecuteObservable.java:42)
2020-08-17 10:52:42.941 1243-1730/com.axnx.ddsn W/System.err: at io.reactivex.Observable.subscribe(Observable.java:12090)
2020-08-17 10:52:42.941 1243-1730/com.axnx.ddsn W/System.err: at retrofit2.adapter.rxjava2.BodyObservable.subscribeActual(BodyObservable.java:34)
2020-08-17 10:52:42.941 1243-1730/com.axnx.ddsn W/System.err: at io.reactivex.Observable.subscribe(Observable.java:12090)
2020-08-17 10:52:42.941 1243-1730/com.axnx.ddsn W/System.err: at io.reactivex.internal.operators.observable.ObservableRetryWhen$RepeatWhenObserver.subscribeNext(ObservableRetryWhen.java:150)
2020-08-17 10:52:42.941 1243-1730/com.axnx.ddsn W/System.err: at io.reactivex.internal.operators.observable.ObservableRetryWhen.subscribeActual(ObservableRetryWhen.java:60)
2020-08-17 10:52:42.941 1243-1730/com.axnx.ddsn W/System.err: at io.reactivex.Observable.subscribe(Observable.java:12090)
2020-08-17 10:52:42.941 1243-1730/com.axnx.ddsn W/System.err: at io.reactivex.internal.operators.observable.ObservableSubscribeOn$SubscribeTask.run(ObservableSubscribeOn.java:96)
2020-08-17 10:52:42.941 1243-1730/com.axnx.ddsn W/System.err: at io.reactivex.Scheduler$DisposeTask.run(Scheduler.java:578)
2020-08-17 10:52:42.941 1243-1730/com.axnx.ddsn W/System.err: at io.reactivex.internal.schedulers.ScheduledRunnable.run(ScheduledRunnable.java:66)
2020-08-17 10:52:42.941 1243-1730/com.axnx.ddsn W/System.err: ... 6 more

[fengyufei]

我也遇到同样问题，只能用回旧版本了，如果这个问题不解决，只能自己写一个了

[Ywt]

同上