private void dialog_fail() { LayoutInflater inflater = LayoutInflater.from(this); RelativeLayout layout = (RelativeLayout) inflater.inflate(R.layout.dialog_fail, null); AlertDialog adialog = new AlertDialog.Builder(ShenfenrezhengActivity.this).create(); adialog.show(); adialog.setContentView(layout); Window dialogWindow = adialog.getWindow(); WindowManager.LayoutParams lp = dialogWindow.getAttributes(); dialogWindow.setBackgroundDrawableResource(android.R.color.transparent); dialogWindow.setGravity(Gravity.CENTER); // lp.x = 10; // 新位置X坐标 // lp.y = 345; // 新位置Y坐标 lp.width = 600; // 宽度 lp.height = 480; // 高度 dialogWindow.setAttributes(lp); }