有编辑框的dialog以及在webView中弹出对话框dialog

AlertDialog.Builder builder = new AlertDialog.Builder(context); 
// use a custom View defined in xml 
View view = LayoutInflater.from(context).inflate(R.layout.my_custom_view); 
final EditText editText = (EditText)view.findViewById(R.id.edit_text); 
builder.setView(view); 
builder.setPositiveButton(android.R.string.ok, new OnClickListener() { 
    @Override 
    public void onClick(DialogInterface dialog, int which) { 
        CharSequence userInput = editText.getText(); 
        // do whatever you want with the input 
    } 
}); 
AlertDialog alertDialog = builder.create();

2.

final Context myApp = this;  
final class MyWebChromeClient extends WebChromeClient { 
    @Override 
    public boolean onJsConfirm(WebView view, String url, String message, final JsResult result) { 
        new AlertDialog.Builder(myApp) 
        .setTitle("App Titler") 
        .setMessage(message) 
        .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() 
        { 
            public void onClick(DialogInterface dialog, int which) 
            { 
                result.confirm(); 
            } 
        }) 
        .setNegativeButton(android.R.string.cancel, 
                new DialogInterface.OnClickListener() 
        { 
            public void onClick(DialogInterface dialog, int which) 
            { 
                result.cancel(); 
            } 
        }) 
        .create() 
        .show(); 
 
        return true; 
    } 
}

mWebView.setWebChromeClient(new MyWebChromeClient());