webView

<WebView    android:id="@+id/web"    android:layout_width="match_parent"
    android:layout_height="match_parent"></WebView>
public class SecondActivity extends AppCompatActivity {    private WebView web;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_second);        web = (WebView) findViewById(R.id.web);        web.loadUrl("http://www.baidu.com/");    }}