安卓 html
阿新 • • 發佈:2018-12-19
public class JsActivity extends Activity { private WebView mWebView; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_js_activity); mWebView = (WebView) findViewById(R.id.webView); WebSettings webSettings = mWebView.getSettings(); webSettings.setSaveFormData(false); webSettings.setJavaScriptEnabled(true); webSettings.setSupportZoom(false); webSettings.setJavaScriptCanOpenWindowsAutomatically(true); mWebView.addJavascriptInterface(new MyClass(), "mine"); mWebView.loadUrl("file:///android_asset/main.html"); } final class MyClass{ MyClass() { } @JavascriptInterface public String test() { return "hello world"; } } }
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" > <WebView android:id="@+id/webView" android:layout_width="fill_parent" android:layout_height="match_parent" /> </LinearLayout>
<html> <script language="javascript"> function btnclick() { var value = window.mine.test(); document.getElementById("input1").value = value; } </script> <body> <br> <input type="button" value="input test" onclick="btnclick()" /> <br> <input type="text" id="input1" /> <br> </body> </html>