package com.devstepbcn.wifi;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.ArrayList;
import com.facebook.react.ReactPackage;
import com.facebook.react.bridge.JavaScriptModule;
import com.facebook.react.bridge.NativeModule;
import com.facebook.react.bridge.ReactApplicationContext;
import com.facebook.react.uimanager.ViewManager;

public class AndroidWifiPackage implements ReactPackage {

  @Override
  public List<NativeModule> createNativeModules(ReactApplicationContext reactContext) {
    List<NativeModule> modules = new ArrayList<>();
    modules.add(new AndroidWifiModule(reactContext));
    return modules;
  }
  @Override
  public List<Class<? extends JavaScriptModule>> createJSModules() {
      return Collections.emptyList();
  }
  @Override
  public List<ViewManager> createViewManagers(ReactApplicationContext reactContext) {
      return Arrays.<ViewManager>asList();
  }
}

package com.devstepbcn.wifi;

import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.ArrayList;
import com.facebook.react.ReactPackage;
import com.facebook.react.bridge.JavaScriptModule;
import com.facebook.react.bridge.NativeModule;
import com.facebook.react.bridge.ReactApplicationContext;
import com.facebook.react.uimanager.ViewManager;

public class AndroidWifiPackage implements ReactPackage {

  @Override
  public List<NativeModule> createNativeModules(ReactApplicationContext reactContext) {
    List<NativeModule> modules = new ArrayList<>();
    modules.add(new AndroidWifiModule(reactContext));
    return modules;
  }

  // This method is kept for RN < 0.47 compatibility
  public List<Class<? extends JavaScriptModule>> createJSModules() {
    return Collections.emptyList();
  }

  @Override
  public List<ViewManager> createViewManagers(ReactApplicationContext reactContext) {
    return Arrays.<ViewManager>asList();
  }
}

Remove override annotation