how to display web view in android

Intent intent = new Intent(this, MainActivit开发者_高级运维y.class); startActivity(intent);

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To start a browser:

Uri uri = Uri.parse("http://www.example.com");
Intent intent = new Intent(Intent.ACTION_VIEW, uri);
startActivity(intent);

to start a WebView inside your Activity:

WebView webview = new WebView(this);
setContentView(webview);
webview.loadUrl("http://stackoverflow.org/");

It's all explained here: http://developer.android.com/reference/android/webkit/WebView.html