android Dialog 底部彈出

if (dialShareDialog == null) {
			dialShareDialog = new Dialog(context, R.style.dialog);
			dialShareDialog.setContentView(R.layout.dialog_share);
			dialShareDialog.setCanceledOnTouchOutside(true);
			// 獲取對話框的窗口，並設置窗口參數
			WindowManager.LayoutParams lp=dialShareDialog.getWindow().getAttributes();
			lp.dimAmount=0.7f;
			dialShareDialog.getWindow().getDecorView().setPadding(0, 0, 0, 0);
			
	        lp.width = WindowManager.LayoutParams.MATCH_PARENT;
	        lp.height = WindowManager.LayoutParams.WRAP_CONTENT;
			
			dialShareDialog.getWindow().setGravity(Gravity.BOTTOM);
		}
		ImageView weixinIv = (ImageView) dialShareDialog.findViewById(R.id.share_weixin_iv);
		ImageView friendIv = (ImageView) dialShareDialog.findViewById(R.id.share_friend_iv);
		ImageView kongjianIv = (ImageView) dialShareDialog.findViewById(R.id.share_kongjian_iv);
		ImageView sinaIv = (ImageView) dialShareDialog.findViewById(R.id.share_sina_iv);
		weixinIv.setOnClickListener(shareOnClickListener);
		friendIv.setOnClickListener(shareOnClickListener);
		kongjianIv.setOnClickListener(shareOnClickListener);
		sinaIv.setOnClickListener(shareOnClickListener);
		dialShareDialog.show();

xml 文件

自定義彈出層樣式