Error SwipeLayout android java. When I put it, it gives an error in the application!

I'm having an error in this code in my Android application, it gives error:

package fabiohcnobre.hotelcolonialdosnobres;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.net.Uri;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.Button;
import android.widget.EditText;


public class MainActivity extends AppCompatActivity {

    Button b1;
    EditText ed1;
    private WebView webView;
    private SwipeRefreshLayout swipeLayout;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        webView = new WebView(MainActivity.this);// webview in mainactivity
        setContentView(webView);// set the webview as the layout
        webView.getSettings().setJavaScriptEnabled(true);


        webView.setWebViewClient(new MyBrowser());

        webView.getSettings().setLoadsImagesAutomatically(true);
        webView.getSettings().setJavaScriptEnabled(true);
        webView.setScrollBarStyle(View.SCROLLBARS_INSIDE_OVERLAY);
        webView.loadUrl("http://www.hotelcolonialdosnobres.com/mobile");
     swipeLayout = (SwipeRefreshLayout) findViewById(R.id.swipe_container);
    swipeLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener(){
        @Override
        public void onRefresh() {
            webView.reload();


        }
    } );
    }

    private class MyBrowser extends WebViewClient {

        public boolean shouldOverrideUrlLoading(WebView view, String url) {
            view.loadUrl(url);
            return true;
        }
    }

}