发送Udp消息类

app/src/main/java/top/rrricardo/motioncapture/UdpSender.kt

@@ -0,0 +1,34 @@
+package top.rrricardo.motioncapture
+
+import android.util.Log
+import java.net.DatagramPacket
+import java.net.DatagramSocket
+import java.net.InetAddress
+
+class UdpSender(val targetIp: String, val targetPort: Int) {
+    private val datagramSocket = DatagramSocket()
+    private val tag = "UdpSender"
+    private var closed = false
+
+    fun sendMessage(data: ByteArray) {
+        if (closed) {
+            Log.e(tag, "Udp sender has been closed!")
+            return
+        }
+
+        val packet = DatagramPacket(data, data.size, InetAddress.getByName(targetIp), targetPort)
+
+        try {
+            datagramSocket.send(packet)
+        } catch (e: java.lang.Exception) {
+            e.printStackTrace()
+            Log.e(tag, "UDP send error: $e")
+        }
+    }
+
+    fun close() {
+        datagramSocket.close();
+        closed = true
+    }
+
+}