Android: Custom AlertDialog

Question

I have created a custom alertdialog by the following code:

AlertDialog.Builder builder;
AlertDialog alertDialog;

LayoutInflater inflater = (LayoutInflater)ActivityName.this.getSystemService(LAYOUT_INFLATER_SERVICE);
View layout = inflater.inflate(R.layout.custom_layout,(ViewGroup)findViewById(R.id.layout_root));

                builder = new AlertDialog.Builder(getParent());
                builder.setView(layout);
                alertDialog = builder.create();
                alertDialog.show();

Problem is the pop up is surrounded with the default Dialog background having a own void space of a title(as the title is not set). How do i remove this. I have tried putting custom style through ContextThemeWrapper like builder = new AlertDialog.Builder(new ContextThemeWrapper(getParent(), R.style.CustomDialogTheme));

But its not working. How do i do that?!!! Thanks in Advance. Custom style xml is given below:

<style name="CustomDialogTheme" parent="android:style/Theme.Dialog.Alert">
            <item name="android:windowIsFloating">false</item>
            <item name="android:windowNoTitle">true</item>
        </style>

Answer 1

use following

Dialog dialog = new Dialog(this, android.R.style.Theme_Translucent_NoTitleBar);

Inflate your layout and set the view to content of dialog and

dialog.setContentView(view);

Answer 2

AlertDialog dialog = new AlertDialog.Builder(this)
.setView(getLayoutInflater().inflate(R.layout.custom_dialog, null))
.create();

In order to listen for UI events:

View view = getLayoutInflater().inflate(R.layout.custom_dialog, null);
Button btn = (Button)view.findViewById(R.id.the_id_of_the_button);
btn.setOnClickListener(blah blah);
AlertDialog dialog = new AlertDialog.Builder(this)
  .setView(view)
  .create();