Android WebView加載HTML表單並通過javascript提交（一） - Android 台灣中文網

import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.os.Handler;
import android.view.View;
import android.webkit.JsResult;
import android.webkit.WebChromeClient;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.widget.Button;
import android.widget.TextView;
public class WebViewTest extends Activity {
private WebView mWebView = null;
private TextView txtView = null;
private Handler mHandler = new Handler();
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
mWebView = (WebView) findViewById(R.id.webView);
txtView = (TextView) findViewById(R.id.webViewResult);
WebSettings webSettings = mWebView.getSettings();
//不保存密碼
webSettings.setSavePassword(false);
//不保存表單數據
webSettings.setSaveFormData(false);
webSettings.setJavaScriptEnabled(true);
//不支持頁面放大功能
webSettings.setSupportZoom(false);
mWebView.addJavascriptInterface(new LoginJavaScriptImpl(), "loginImpl"); mWebView.setWebChromeClient(new MyAndroidWebClient());
((Button)findViewById(R.id.btnLoadhtml)).setOnClickListener(new View.OnClickListener() {
public void onClick(View arg0) {
mWebView.loadData(createWebForm(), "text/html", "UTF-8");
// mWebView.loadDataWithBaseURL("", createWebForm(), "text/html", "UTF-8", "");
}
});
}
private String returnValue;
protected final class LoginJavaScriptImpl {
public void login(String username, String password){
returnValue = username + ": " + password; mHandler.post(new Runnable() {
public void run() { txtView.setText(returnValue);
}
});
}
}
private final class MyAndroidWebClient extends WebChromeClient {
@Override
public boolean onJsAlert(WebView view,String url, String message, JsResult result) {

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