This task is to coordinate the implementation of the reading challenge on the Android App. Please see EPIC for background and all user stories: T416648

Requirements

• T418634: [S][User story] Challenge Widget
• T418624: [M][User story] Join the challenge: Logged-in
• T418625: [M][User story] Logged-out behavior
• T418632: [M][User story] Enrolled but not started / Streak lost and can restart
• T418626: [L][User story] Daily reading
• T418641: [L][User story] Completing / Concluding the challenge / Streak lost and cannot restart
• T418876: [User story] Widget refreshes daily (copy/illustration/color)
• T420415: [User story] Challenge not live yet
• T419306: [Android] Instrumentation / Measurement plan for Reading Challenge
• T422420: [XS][Android] Update reading challenge dates
• T422684: Add final Baby Globe assets
• Update assets to placeholder PNGs

Nice-to-have

• T420659: [User story] Challenge completed badge in Activity
• Streak freezes {Task TBA}
• Share {Task TBA}
• Nice-to-have widget states

Widget States

• State: Challenge not live yet
  • Conditions: Device date is before May 1, 2026.
  • Result: Widget indicates that the challenge is not yet live.
• State: Not enrolled
  • Conditions: user has not yet joined + current date is between 1-31 May.
  • Result: Widget shows Join CTA, eligible for Join the challenge announcement
• State: Enrolled but not started / Streak lost and can restart
  • Conditions: joined the challenge + current date is between 1-31 May + no article opened since joining challenge
  • Result: Widget shows Search / Random CTAs
• State: Streak ongoing: not yet read today
  • Conditions: joined + streak of 1+ days + no article opened today
  • Result: Widget shows current streak count + Widget shows Search / Random CTAs
• State: Streak ongoing: read today
  • Conditions: joined + streak of 1+ days + article already opened today
  • Result: Widget shows current streak count + today's read confirmed, no CTA
• State: Challenge complete successfully
  • Conditions: joined + streak of 25 days reached + current date on or before July 10th
  • Result: Widget shows completion celebration + CTA to claim prizes
• State: Challenge concluded: incomplete / Streak lost and cannot restart
  • Conditions: joined + current date after May 31st + streak of 25 days not reached
  • Result: Widget shows Challenge Concluded screen, progress acknowledged
• State: Challenge concluded: No streak
  • Conditions: joined + current date after May 31st + no streak of 1+ days achieved
  • Result: Widget shows Challenge Concluded screen
• State: Challenge removed
  • Conditions: date is after July 10.
  • Result: Widget is removed from app. Baby Globe badge remains for users who applied it.

Nice to Have states:

• State: Pre-enrollment with existing Streak
  • Conditions:not yet joined + has a 2+ day streak going since May 1 + current date is between 1-31 May.
  • Result: Widget shows Join CTA, shows current streak running since May 1
• State: Enrolled with existing streak, not read today
  • Conditions: ongoing streak since May 1 + just joined today + current date is between 1-31 May + no article opened today.
  • Result: Widget motivates them to stay on a roll + active CTA to read an article

• State: Streak freeze applied
  • Conditions: joined + previous day missed
  • Result: Widget shows streak count preserved + freeze spent warning