Java代码

myWebView.addJavascriptInterface(new JsInteration(),"control");
private void testMethod(WebView webView) {

String call = "javascript:sayHello()";

call = "javascript:alertMessage(\"" + "content" + "\")";

call = "javascript:toastMessage(\"" + "content" + "\")";

call = "javascript:sumToJava(1,2)";

webView.loadUrl(call);

}
public class JsInteration {
@JavascriptInterface
public void  toastMessage(String message) {
    Toast.makeText(getApplicationContext(),message,Toast.LENGTH_LONG).show();
}

@JavascriptInterface
public void onSumResult(int result) {
       Log.i(LOGTAG,"onSumResult result=" + result);
}
}

JavaScript代码