// Https 异常：javax.net.ssl.SSLHandshakeException: Handshake failed
// Caused by: javax.net.ssl.SSLProtocolException: SSL handshake aborted: ssl=0x7a59e45208: Failure in SSL library, usually a protocol error
// 解决在Android5.0版本以下https无法访问（亲测5.0以上版本也报同样的错误，猜测应该通过服务器配置协议兼容可以解决，目前是Android端自己做了兼容）
ConnectionSpec spec = new ConnectionSpec.Builder(ConnectionSpec.COMPATIBLE_TLS)
        .tlsVersions(TlsVersion.TLS_1_2, TlsVersion.TLS_1_1, TlsVersion.TLS_1_0)
        .allEnabledCipherSuites()
        .build();
// 兼容http接口
ConnectionSpec spec1 = new ConnectionSpec.Builder(ConnectionSpec.CLEARTEXT).build();
okHttpClientBuilder.connectionSpecs(Arrays.asList(spec, spec1));