your-android-project/
└── src/main/
    ├── jniLibs/
    │   ├── arm64-v8a/
    │   │   └── libeasytier_android_jni.so
    │   ├── armeabi-v7a/
    │   │   └── libeasytier_android_jni.so
    │   ├── x86/
    │   │   └── libeasytier_android_jni.so
    │   └── x86_64/
    │       └── libeasytier_android_jni.so
    └── java/
        └── com/easytier/jni/
            └── EasyTierJNI.java

<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />

import com.easytier.jni.EasyTierJNI;
import java.util.Map;

public class EasyTierManager {
    
    // 初始化网络实例
    public void startNetwork() {
        String config = """
            inst_name = "my_instance"
            network = "my_network"
            """; 
        
        try {
            // 解析配置
            int result = EasyTierJNI.parseConfig(config);
            if (result != 0) {
                String error = EasyTierJNI.getLastError();
                throw new RuntimeException("配置解析失败: " + error);
            }
            
            // 启动网络实例
            result = EasyTierJNI.runNetworkInstance(config);
            if (result != 0) {
                String error = EasyTierJNI.getLastError();
                throw new RuntimeException("网络实例启动失败: " + error);
            }
            
            System.out.println("EasyTier 网络实例启动成功");
            
        } catch (RuntimeException e) {
            System.err.println("启动失败: " + e.getMessage());
        }
    }
    
    // 获取网络信息
    public void getNetworkInfo() {
        try {
            Map<String, String> infos = EasyTierJNI.collectNetworkInfosAsMap(10);
            for (Map.Entry<String, String> entry : infos.entrySet()) {
                System.out.println(entry.getKey() + ": " + entry.getValue());
            }
        } catch (RuntimeException e) {
            System.err.println("获取网络信息失败: " + e.getMessage());
        }
    }
    
    // 停止所有实例
    public void stopNetwork() {
        try {
            int result = EasyTierJNI.stopAllInstances();
            if (result == 0) {
                System.out.println("所有网络实例已停止");
            }
        } catch (RuntimeException e) {
            System.err.println("停止网络失败: " + e.getMessage());
        }
    }
}

public class EasyTierVpnService extends VpnService {
    
    @Override
    public int onStartCommand(Intent intent, int flags, int startId) {
        // 建立 VPN 连接
        ParcelFileDescriptor vpnInterface = establishVpnInterface();
        
        if (vpnInterface != null) {
            int fd = vpnInterface.getFd();
            
            // 设置 TUN 文件描述符
            try {
                EasyTierJNI.setTunFd("my_instance", fd);
            } catch (RuntimeException e) {
                Log.e("EasyTier", "设置 TUN FD 失败", e);
            }
        }
        
        return START_STICKY;
    }
    
    private ParcelFileDescriptor establishVpnInterface() {
        Builder builder = new Builder();
        builder.setMtu(1500);
        builder.addAddress("10.0.0.2", 24);
        builder.addRoute("0.0.0.0", 0);
        builder.setSession("EasyTier VPN");
        
        return builder.establish();
    }
}