日期选择器想要选择过去的日期，禁止选择未来日期

Description

Contributor guide

Tech stack

javaandroid

Domain

mobilefrontend

Issue type

feature

DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.

3

Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.

1-3 hours

Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.

stale

ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.

mostly clear

Prerequisites

JavaAndroid developmentBasic understanding of WheelPicker

Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.

60

Research direction

Examine the date picker implementation in the AndroidPicker library, likely in files such as DatePicker or WheelPicker. Identify where the available dates are generated. Add a parameter to restrict selection to past dates (dates before current date). Test the change on an emulator. Refer to any existing comments in the issue for user requests.