Android AlertDialog BackGround renklendirme

	public static void cancelDialog(Context con, String message){
		
		final AlertDialog.Builder alert = new AlertDialog.Builder(con, R.style.MyTheme);
		// alert.set getWindow().setBackgroundDrawable(new ColorDrawable(Color.parseColor("#E04A48")));
		alert.setMessage(message);
		alert.setPositiveButton(con.getResources().getString(R.string.tamam), new DialogInterface.OnClickListener() {
			@Override
			public void onClick(DialogInterface dialog, int which) {
				dialog.cancel();
			}
		});
		alert.show();
	}

  <style name="MyTheme" parent="@android:style/Theme.Dialog">
    <item name="android:alertDialogStyle">@style/CustomAlertDialogStyle</item>
    <item name="android:windowBackground">@color/PinkP</item>
    <item name="android:textColorPrimary">#000000</item>
  </style>
  
  <style name="CustomAlertDialogStyle">
    <item name="android:bottomBright">@color/PinkP</item>
    <item name="android:bottomDark">@color/PinkP</item>
    <item name="android:bottomMedium">@color/PinkP</item>
    <item name="android:centerBright">@color/PinkP</item>
    <item name="android:centerDark">@color/PinkP</item>
    <item name="android:centerMedium">@color/PinkP</item>
    <item name="android:fullBright">@color/PinkP</item>
    <item name="android:fullDark">@color/PinkP</item>
    <item name="android:topBright">@color/PinkP</item>
    <item name="android:topDark">@color/PinkP</item>
  </style>