android上ethernet和wifi共存

Android12配置WiFi网络优先以实现与Ethernet共存-开发者社区-阿里云

1. 修改wifi的优先级

   packages/modules/Connectivity/service/src/com/android/server/connectivity/NetworkRanker.java

   @@ -44,7 +44,7 @@ import java.util.Arrays;
   import java.util.Collection;
   import java.util.List;
   import java.util.function.Predicate;

   +import android.util.Log;
   /**

   • A class that knows how to find the best network matching a request out of a list of networks.
     */
     @@ -85,7 +85,7 @@ public class NetworkRanker {
     }

     // Transport preference order, if it comes down to that.

   • private static final int[] PREFERRED_TRANSPORTS_ORDER = { TRANSPORTETHERNET, TRANSPORTWIFI,

   • private static final int[] PREFERRED_TRANSPORTS_ORDER = { TRANSPORTWIFI,TRANSPORTETHERNET,
     TRANSPORTBLUETOOTH, TRANSPORTCELLULAR };

     // Function used to partition a list into two working areas depending on whether they

2. 禁止down eth0的ip地址

   --- a/common/moduleutils/src/android/net/ip/InterfaceController.java
   +++ b/common/moduleutils/src/android/net/ip/InterfaceController.java
   @@ -30,7 +30,7 @@ import android.system.OsConstants;
   import java.net.Inet4Address;
   import java.net.InetAddress;

   +import android.util.Log;
   /**

   • Encapsulates the multiple IP configuration operations performed on an interface.

   @@ -102,6 +102,11 @@ public class InterfaceController {

     private boolean setEnableIPv6(boolean enabled) {
         try {

   •                   if(mIfName.equals("eth0")&& enabled == false)

   •                   {

   •                           Log.e("setEnableIPv6","eth0 skip disable +++");

   •                           return false;

   •                   }
            mNetd.interfaceSetEnableIPv6(mIfName, enabled);
        } catch (RemoteException | ServiceSpecificException e) {
            logError("%s IPv6 failed: %s", (enabled ? "enabling" : "disabling"), e);

   @@ -197,6 +202,11 @@ public class InterfaceController {
   */
   public boolean clearAllAddresses() {
   try {

   •                   if(mIfName.equals("eth0"))

   •                   {

   •                           Log.e("clearAllAddresses","eth0 skip clear +++");

   •                           return false;

   •                   }
            mNetd.interfaceClearAddrs(mIfName);
        } catch (Exception e) {
            logError("Failed to clear addresses: %s", e);

【android 12】【网络】wifi与以太网共存操作_android 以太网和wifi共存-CSDN博客

Android WiFi和Ethernet共存_android 以太网和wifi共存-CSDN博客