ankidroid/Anki-Android

Improve the Study by card state or tag dialog

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#20601 opened on Mar 26, 2026

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 (9 comments) (0 reactions) (1 assignee)Kotlin (11,132 stars) (2,789 forks)batch import
Good First Issue

Description

The Study by card state or tag dialog

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  • Add a title "Study by card state or tag".
  • Remove "Select x cards from the deck".
  • Add "Number of cards" to the border of the text field (see reference).
  • Add a unit "card"/"cards" to the box.
  • Change the text selection like in https://github.com/ankidroid/Anki-Android/pull/20551.
  • Replace "Select" with "Create".
  • If the resulting filtered deck is empty (i.e., no cards match the criteria), a red warning should appear and the button should be disabled, instead of an error dialog (see reference).
    • Also, make sure this bug is fixed: when there are no cards matching some selections like "Due cards only", a filtered deck with of new cards is created.
  • Show a warning when the input is invalid, limit the digits, and prevent leading zeros, like in https://github.com/ankidroid/Anki-Android/pull/20520, except without input steppers.

Reference dialogs

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Contributor guide

Tech stack
kotlinandroid
Domain
mobile
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.
half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
KotlinAndroid SDKAnkiDroid codebaseUI patterns from linked PRs
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
65
Research direction
Start by examining the current 'Study by card state or tag' dialog in the AnkiDroid codebase, likely found in a Kotlin file for the deck picker or filtering UI. Reference the linked PRs (#20551 and #20520) for the text selection style and input validation patterns. Pay attention to the filtered deck creation logic to understand the bug when no cards match criteria. Check the dialog layout XML for existing title and text field borders. The assignee is working on this, but the issue is open with clear subtasks.