android弹出框alertDialog

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    public void showPopWin() {
        alertDialog2 = new AlertDialog.Builder(this)
//                .setTitle("这是标题")
                .setMessage("您确定要删除好友吗？")
//                .setIcon(R.mipmap.ic_launcher)
                .setPositiveButton("确定", new DialogInterface.OnClickListener() {//添加"Yes"按钮
                    @Override
                    public void onClick(DialogInterface dialogInterface, int i) {
//                        Toast.makeText(AlertDialogActivity.this, "这是确定按钮", Toast.LENGTH_SHORT).show();
                        Log.e(TAG, "onClick uid: "+uid );
                        deleteFriend(new String[]{uid});
                    }
                })
                .setNegativeButton("取消", new DialogInterface.OnClickListener() {//添加取消
                    @Override
                    public void onClick(DialogInterface dialogInterface, int i) {
//                        Toast.makeText(AlertDialogActivity.this, "这是取消按钮", Toast.LENGTH_SHORT).show();
                        alertDialog2.dismiss();
                    }
                })
                .create();
        alertDialog2.setCancelable(false);//表示点空白处取消不了
        alertDialog2.show();
    }