dialog去黑边

不使用AlertDialog

Dialog dialog = new Dialog(context);
        dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
        dialog.setContentView(view);
        //去黑边框
        dialog.getWindow().setBackgroundDrawable(new ColorDrawable(android.graphics.Color.TRANSPARENT));

dialog去黑边

原文：http://blog.csdn.net/leehu1987/article/details/45093831