WebViewActivity.java

package coolbuy360.zxing;




import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.KeyEvent;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.Toast;
import coolbuy360.searchhealth.R;

public class WebViewActivity extends Activity {
	private WebView webview;

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.webview);

		Intent intent = getIntent();
		String url = intent.getStringExtra("url");
		if (url != null && !"".equals(url)) {
			webview = (WebView) findViewById(R.id.webview);
			// ����WebView���ԣ��ܹ�ִ��JavaScript�ű�
			webview.getSettings().setJavaScriptEnabled(true);
			// ����URL����
			webview.loadUrl(url);
			// ����web��ͼ�ͻ���
			webview.setWebViewClient(new MyWebViewClient());
		} else {
			Toast.makeText(WebViewActivity.this, "û�л�ȡ����ά����Ϣ��",
					Toast.LENGTH_SHORT).show();
		}

	}

	// ���û���
	public boolean onKeyDown(int keyCode, KeyEvent event) {
		if ((keyCode == KeyEvent.KEYCODE_BACK) && webview.canGoBack()) {
			webview.goBack();
			return true;
		}
		return super.onKeyDown(keyCode, event);
	}

	// web��ͼ�ͻ���
	public class MyWebViewClient extends WebViewClient {
		public boolean shouldOverviewUrlLoading(WebView view, String url) {
			view.loadUrl(url);
			return true;
		}
	}
}