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72 Android WebView AlertDialog

2014-01-17 16:30 323 查看

package com.example.android_webview_loaddata;

import android.os.Bundle;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.view.Menu;
import android.view.Window;
import android.webkit.JsResult;
import android.webkit.WebChromeClient;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.Toast;

public class MainActivity extends Activity {

private WebView webview;

@SuppressLint("SetJavaScriptEnabled")
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
webview = (WebView) this.findViewById(R.id.webView1);
// String summary =
// "<html><body>You scored <b>192</b> points.</body></html>";
// webview.loadData(summary, "text/html", null);
WebSettings webSettings = webview.getSettings();
webSettings.setJavaScriptEnabled(true);// 表示webview可执行服务器端的JS代码
webview.setWebChromeClient(new WebChromeClient() {
@Override
public boolean onJsAlert(WebView view, String url, String message,
final JsResult result) {
// TODO Auto-generated method stub
AlertDialog.Builder builder =new AlertDialog.Builder(MainActivity.this);
builder.setTitle("提示");
builder.setMessage(message);
builder.setPositiveButton("确定", new OnClickListener() {

@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
result.confirm();//表示确认用户的选择
}
});
builder.create().show();
return super.onJsAlert(view, url, message, result);
}
});
webview.loadUrl("http://baidu.com");
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}

}

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