android自定义对话框

                    //*******************************
/*                  Button button=(Button)findViewById(R.id.alert);
                    button.setOnClickListener(new View.OnClickListener() {
                        @Override
                        public void onClick(View view) {*/
                            new AlertDialog.Builder(TabmyActivity.this).setTitle("填写日期").setView(getLayoutInflater()
                                    .inflate(R.layout.dialog_alert,(ViewGroup)findViewById(R.id.dialog_my)))
                                    .setPositiveButton("确定", new DialogInterface.OnClickListener() {
                                        @Override
                                        public void onClick(DialogInterface dialogInterface, int i) {
                                            Toast.makeText(getApplicationContext(),"表明可以做其他操作哦",Toast.LENGTH_LONG).show();
                                        }
                                    })
                                    .setNegativeButton("取消", null).show();

/*                        }*/
/*                    });*/
                    //*******************************

R.layout.dialog_alert中描述了自定义对话框的布局，R.id.dialog_my为布局中定义的对话框的id