Handle IPv6 address correctly

V2rayNG/app/src/main/kotlin/com/v2ray/ang/dto/ServerConfig.kt

@@ -69,10 +69,6 @@ data class ServerConfig(
     fun getV2rayPointDomainAndPort(): String {
         val address = getProxyOutbound()?.getServerAddress().orEmpty()
         val port = getProxyOutbound()?.getServerPort()
-        return if (Utils.isIpv6Address(address)) {
+        return Utils.getIpv6Address(address) + ":" + port
-            String.format("[%s]:%s", address, port)
-        } else {
-            String.format("%s:%s", address, port)
-        }
     }
 }

V2rayNG/app/src/main/kotlin/com/v2ray/ang/ui/ServerActivity.kt

@@ -21,6 +21,7 @@ import com.v2ray.ang.util.MmkvManager
 import com.v2ray.ang.util.MmkvManager.ID_MAIN
 import com.v2ray.ang.util.MmkvManager.KEY_SELECTED_SERVER
 import com.v2ray.ang.util.Utils
+import com.v2ray.ang.util.Utils.getIpv6Address
 
 class ServerActivity : BaseActivity() {
 
@@ -411,7 +412,7 @@ class ServerActivity : BaseActivity() {
     private fun savePeer(wireguard: V2rayConfig.OutboundBean.OutSettingsBean, port: Int) {
         wireguard.secretKey = et_id.text.toString().trim()
         wireguard.peers?.get(0)?.publicKey = et_public_key?.text.toString().trim()
-        wireguard.peers?.get(0)?.endpoint = et_address.text.toString().trim() + ":" + port
+        wireguard.peers?.get(0)?.endpoint = getIpv6Address(et_address.text.toString().trim()) + ":" + port
         val reserved1 = Utils.parseInt(et_reserved1?.text.toString())
         val reserved2 = Utils.parseInt(et_reserved2?.text.toString())
         val reserved3 = Utils.parseInt(et_reserved3?.text.toString())

V2rayNG/app/src/main/kotlin/com/v2ray/ang/util/Utils.kt

@@ -366,7 +366,7 @@ object Utils {
     }
 
     fun getIpv6Address(address: String): String {
-        return if (isIpv6Address(address)) {
+        return if (isIpv6Address(address) && !address.contains('[') && !address.contains(']')) {
             String.format("[%s]", address)
         } else {
             address