WebView可以使得網(wǎng)頁(yè)輕松的內(nèi)嵌到app里，還可以直接跟js相互調(diào)用。

webview有兩個(gè)方法：setWebChromeClient 和 setWebClient
setWebClient：主要處理解析，渲染網(wǎng)頁(yè)等瀏覽器做的事情
setWebChromeClient：輔助WebView處理Javascript的對(duì)話(huà)框，網(wǎng)站圖標(biāo)，網(wǎng)站title，加載進(jìn)度等
WebViewClient就是幫助WebView處理各種通知、請(qǐng)求事件的。
在A(yíng)ndroidManifest.xml設(shè)置訪(fǎng)問(wèn)網(wǎng)絡(luò)權(quán)限：
“`

控件：``` <WebView android:layout_width="match_parent" android:layout_height="match_parent" android:id="@+id/webView"/>

用途一：加載本地/Web資源

實(shí)例

public class MainActivity extends Activity {private EditText et_address=null;private WebView webview=null;private ProgressDialog pd=null;@Overrideprotected void onCreate(Bundle savedInstanceState) {requestWindowFeature(Window.FEATURE_NO_TITLE);super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);et_address=(EditText) findViewById(R.id.ed_address);webview=(WebView) findViewById(R.id.webview);pd=new ProgressDialog(this);pd.setMessage("正在加載");WebSettings setting=webview.getSettings();setting.setSupportZoom(true);setting.setBuiltInZoomControls(true);webview.setWebViewClient(new WebViewClient(){@Overridepublic void onPageStarted(WebView view, String url, Bitmap favicon) {// TODO Auto-generated method stubpd.show();}@Overridepublic void onPageFinished(WebView view, String url) {// TODO Auto-generated method stubpd.dismiss();}});}public void click(View view){String address=et_address.getText().toString().trim();if(TextUtils.isEmpty(address)){address="http://192.168.247.1:8080";}webview.loadUrl(address);}@Overridepublic boolean onKeyDown(int keyCode, KeyEvent event) {// TODO Auto-generated method stubif(keyCode==KeyEvent.KEYCODE_BACK&&webview.canGoBack()){webview.goBack();return true;}return super.onKeyDown(keyCode, event);}@Overridepublic boolean onCreateOptionsMenu(Menu menu) {// TODO Auto-generated method stubmenu.addSubMenu(0, 0, 0, "刷新");menu.addSubMenu(0, 0, 1, "后退");menu.addSubMenu(0, 0, 2, "前進(jìn)");return super.onCreateOptionsMenu(menu);}@Overridepublic boolean onOptionsItemSelected(MenuItem item) {// TODO Auto-generated method stubswitch (item.getOrder()) {case 0:webview.reload();break;case 1:if(webview.canGoBack()){webview.goBack();}else{Toast.makeText(getApplicationContext(), "已經(jīng)到第一頁(yè)了", 0).show();}break;case 2:if(webview.canGoForward()){webview.goForward();}else{Toast.makeText(getApplicationContext(), "已經(jīng)是最后一頁(yè)了", 0).show();}break;default:break;}return super.onOptionsItemSelected(item);} }

參考鏈接：webView的使用以及總結(jié)
http://www.360doc.com/content/14/0611/13/15210553_385676271.shtml

轉(zhuǎn)載于:https://www.cnblogs.com/jjx2013/p/6223731.html

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