我要发送
<message id="qm5Dx-8"
to="abc"
type="chat"
from="abc"
msgType="2"
msgTimeStamp="1413971599039"
fileSize="18 MB"
fileHeight="300"
fileWidth="300"
thumbnail="abc"
mediaURL=""
serverMediaURL="xyz"
isFromMe="1"
status="1"><body>Image</body><request xmlns='urn:xmpp:receipts'/></message>
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我构建自定义消息的方式是:
public class MyCustomMessage extends Message{
public MyCustomMessage(){
super();
}
public MyCustomMessage(String to, Type type){
super(to, type);
}
private String msgType ;
private String msgTimeStamp ;
private String isFromMe ;
private String status ;
private String mediaURL ;
private String serverMediaURL ;
private String fileSize ;
private String fileHeight ;
private String fileWidth ;
private String thumbnail ;
@Override
public String toXML() {
String XMLMessage = super.toXML();
String XMLMessage1 = XMLMessage.substring(0, XMLMessage.indexOf(">"));
String XMLMessage2 = XMLMessage.substring(XMLMessage.indexOf(">"));
if (this.msgType != null) {
XMLMessage1 += " msgType=\"" + this.msgType + "\"";
}
if (this.msgTimeStamp != null) {
XMLMessage1 += " msgTimeStamp=\"" + this.msgTimeStamp + "\"";
}
if (this.fileSize != null) {
XMLMessage1 += " fileSize=\"" + this.fileSize + "\"";
}
if (this.fileHeight != null) {
XMLMessage1 += " fileHeight=\"" + this.fileHeight + "\"";
}
if (this.fileWidth != null) {
XMLMessage1 += " fileWidth=\"" + this.fileWidth + "\"";
}
if (this.thumbnail != null) {
XMLMessage1 += " thumbnail=\"" + this.thumbnail + "\"";
}
if (this.mediaURL != null) {
XMLMessage1 += " mediaURL=\"" + this.mediaURL + "\"";
}
if (this.serverMediaURL != null) {
XMLMessage1 += " serverMediaURL=\"" + this.serverMediaURL + "\"";
}
if (this.isFromMe != null) {
XMLMessage1 += " isFromMe=\"" + this.isFromMe + "\"";
}
if (this.status != null) {
XMLMessage1 += " status=\"" + this.status + "\"";
}
return XMLMessage1 + XMLMessage2;
}
// Setters Getters of all these fields..
}
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然后在 SmackableImplement 类中添加必填字段后,我调用mXMPPConnection.sendPacket(customMessage);
但我没有收到任何数据包。每次调用此方法后,我的连接都会关闭。我已经浏览了很多教程,但找不到任何解决方案...告诉我哪里出错了。
与修改字符串表示的方法相比,Smack 肯定有更好的方法来处理 XML。当任何包含 a"或任何其他需要作为属性转义的字符时,这将严重破坏。
您必须将自定义有效负载作为消息中单独的 XML 元素添加到消息中,而不是作为消息的属性。您的 XML 应如下所示:
<message id="qm5Dx-8" to="abc" type="chat" from="abc">
<body>Image</body>
<request xmlns='urn:xmpp:receipts'/>
<data xmlns='http://bstkaal/custom/data'
msgType="2"
msgTimeStamp="1413971599039"
fileSize="18 MB"
fileHeight="300"
fileWidth="300"
thumbnail="abc"
mediaURL=""
serverMediaURL="xyz"
isFromMe="1"
status="1" />
</message>
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