如何在android中将块和发送到服务器视频文件

Question

您好我正在使用Volley Multi-part Api将大型视频文件上传到服务器，但上传花费了大量时间

我决定 chunk 我的视频文件，然后发送到服务器，但我真的忽略关于如何分块视频文件

请一位有人帮助我

代码： -

    java.security.spec.InvalidKeySpecException: java.security.InvalidKeyException: IOException : DerInputStream.getLength(): lengthTag=109, too big.
    at sun.security.rsa.RSAKeyFactory.engineGeneratePrivate(Unknown Source)
    at java.security.KeyFactory.generatePrivate(Unknown Source)
    at com.rackspace.saml.CertManager.getSigningCredential(CertManager.java:43)
    at com.rackspace.saml.SamlAssertionProducer.createSignature(SamlAssertionProducer.java:228)
    at com.rackspace.saml.SamlAssertionProducer.createSAMLResponse(SamlAssertionProducer.java:39)
    at com.rackspace.saml.Client.getSAMLXML(Client.java:186)
    at com.rackspace.saml.Client.main(Client.java:208)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at com.intellij.rt.execution.application.AppMain.main(AppMain.java:144)
Caused by: java.security.InvalidKeyException: IOException : DerInputStream.getLength(): lengthTag=109, too big.
    at sun.security.pkcs.PKCS8Key.decode(Unknown Source)
    at sun.security.pkcs.PKCS8Key.decode(Unknown Source)
    at sun.security.rsa.RSAPrivateCrtKeyImpl.<init>(Unknown Source)
    at sun.security.rsa.RSAPrivateCrtKeyImpl.newKey(Unknown Source)
    at sun.security.rsa.RSAKeyFactory.generatePrivate(Unknown Source)
    ... 12 more
java.lang.NullPointerException
    at org.opensaml.xml.io.AbstractXMLObjectMarshaller.marshall(AbstractXMLObjectMarshaller.java:95)
    at org.opensaml.common.impl.AbstractSAMLObjectMarshaller.marshall(AbstractSAMLObjectMarshaller.java:59)
    at org.opensaml.xml.io.AbstractXMLObjectMarshaller.marshall(AbstractXMLObjectMarshaller.java:85)
    at com.rackspace.saml.Client.getSAMLXML(Client.java:189)
    at com.rackspace.saml.Client.main(Client.java:208)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at com.intellij.rt.execution.application.AppMain.main(AppMain.java:144)