Android Webview open URLs in new browser window

MainActivity.java

// http://stevesohcot.com/tech-lessons-learned/2016/05/15/android-cannot-resolve-method-startactivityandroid-content-intent

package com.diamondium.hashtagsaver;

import android.app.Activity;
import android.os.Bundle;
import android.webkit.WebView;
import android.webkit.WebViewClient;

// Needed to open URLs in a new window
import android.content.Intent;
import android.net.Uri;

public class MainActivity extends Activity {

    private WebView webview ;

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

        webview =(WebView)findViewById(R.id.webView);

        webview.setWebViewClient(new MyWebViewClient());
        webview.getSettings().setJavaScriptEnabled(true);
        webview.getSettings().setDomStorageEnabled(true);
        webview.setOverScrollMode(WebView.OVER_SCROLL_NEVER);
        webview.loadUrl("http://hashtagsaver.herokuapp.com/signup");

    }

}

class MyWebViewClient extends WebViewClient {
    @Override
    public boolean shouldOverrideUrlLoading(WebView view, String url) {
        if(url.contains("herokuapp.com")){
            // load my page
            return false;
        }

        Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
        view.getContext().startActivity(intent);
        return true;
    }
}