WebView的应用

来源：互联网发布：如何修改4g网络设置编辑：程序博客网时间：2024/06/07 08:24
实例一：简易浏览器。
public class MainActivity extends Activity {    private EditText et_address;    private WebView webView;    private ProgressDialog pd;    @Override    protected void onCreate(Bundle savedInstanceState) {        requestWindowFeature(Window.FEATURE_NO_TITLE);        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        et_address = (EditText) findViewById(R.id.et_address);        webView = (WebView) findViewById(R.id.webview);        pd = new ProgressDialog(this);        pd.setMessage("正在加载...");        //获得webview的设置        WebSettings settings = webView.getSettings();        //webview支持放大缩小        settings.setSupportZoom(true);        settings.setBuiltInZoomControls(true);        //自己打开网页，而非调用系统浏览器        webView.setWebViewClient(new WebViewClient(){            @Override            public void onPageStarted(WebView view, String url, Bitmap favicon) {                pd.show();            }            @Override            public void onPageFinished(WebView view, String url) {                pd.dismiss();            }        });    }    public void click(View view) {        String address = et_address.getText().toString().trim();        if(TextUtils.isEmpty(address)) {            address = "http://192.168.1.100:8080";        }        webView.loadUrl(address);    }    @Override    public boolean onKeyDown(int keyCode, KeyEvent event) {        if(keyCode == KeyEvent.KEYCODE_BACK && webView.canGoBack()) {            webView.goBack();            return true;        }        return super.onKeyDown(keyCode, event);    }}
实例二：
0 0