Base44
mobile
Date Picker Component Unusable on Mobile Phones
The date picker in your Base44 app is nearly impossible to use on mobile phones. The calendar dropdown is too small to tap accurately, it renders partially off-screen, month navigation arrows are tiny, and selecting a specific date requires pixel-perfect tapping that's unrealistic on a touchscreen.
Date fields are critical in many Base44 apps: booking systems, scheduling, order tracking, and reporting. A broken date picker prevents users from completing forms, filtering data, or scheduling events from their phones.
The issue is compounded when the date picker opens underneath the keyboard or when it doesn't close properly, leaving the user trapped in a state where they can't interact with the rest of the form.
Error Messages You Might See
Wrong date selected on tap (neighboring day)
Calendar extends beyond screen edge
Date picker won't close on mobile
Cannot navigate months on touch device
Common Causes
- Desktop-optimized calendar widget — The date picker was designed for mouse clicks, with tiny day cells that are too small for finger taps
- Calendar renders off-screen — The dropdown opens below the input field and extends past the viewport edge
- No native mobile date input fallback — The custom calendar is used instead of the browser's built-in date picker which works well on mobile
- Touch targets smaller than 44px — Day cells, navigation arrows, and month/year selectors are below the minimum recommended tap target size
- Calendar not dismissible — Tapping outside the calendar doesn't close it, trapping the user
How to Fix It
- Use native date inputs on mobile — Switch to input type='date' on mobile devices, which triggers the OS's built-in date picker that's optimized for touch
- Increase touch target sizes — Make calendar day cells at least 44x44px and navigation buttons at least 48x48px
- Position calendar within viewport — Detect available space and position the calendar above or below the input to stay within the screen
- Add a done/close button — Include an explicit close button on the calendar overlay for mobile users
- Support manual date entry — Allow users to type dates directly (with format masking) as an alternative to the calendar
Real developers can help you.
MFox
Full-stack professional senior engineer (15+years). Extensive experience in software development, qa, and IP networking.
Milan Surelia
Milan Surelia is a Mobile App Developer with 5+ years of experience crafting scalable, cross-platform apps at 7Span and Meticha. At 7Span, he engineers feature-rich Flutter apps with smooth performance and modern UI. As the Co-Founder of Meticha, he builds open-source tools and developer-focused products that solve real-world problems.
Expertise:
💡 Developing cross-platform apps using Flutter, Dart, and Jetpack Compose for Android, iOS, and Web.
🖋️ Sharing insights through technical writing, blogging, and open-source contributions.
🤝 Collaborating closely with designers, PMs, and developers to build seamless mobile experiences.
Notable Achievements:
🎯 Revamped the Vepaar app into Vepaar Store & CRM with a 2x performance boost and smoother UX.
🚀 Launched Compose101 — a Jetpack Compose starter kit to speed up Android development.
🌟 Open source contributions on Github & StackOverflow for Flutter & Dart
🎖️ Worked on improving app performance and user experience with smart solutions.
Milan is always happy to connect, work on new ideas, and explore the latest in technology.
Rudra Bhikadiya
I build and fix web apps across Next.js, Node.js, and DBs.
Comfortable jumping into messy code, broken APIs, and mysterious bugs.
If your project works in theory but not in reality, I help close that gap.
Pratik
SWE with 15+ years of experience building and maintaining web apps and extensive BE infrastructure
Tejas Chokhawala
Full-stack engineer with 5 years experience building production web apps using React, Next.js and TypeScript.
Focused on performance, clean architecture and shipping fast.
Experienced with Supabase/Postgres backends, Stripe billing, and building AI-assisted developer tools.
Dor Yaloz
SW engineer with 6+ years of experience,
I worked with React/Node/Python
did projects with React+Capacitor.js for ios
Supabase expert
Prakash Prajapati
I’m a Senior Python Developer specializing in building secure, scalable, and highly available systems. I work primarily with Python, Django, FastAPI, Docker, PostgreSQL, and modern AI tooling such as PydanticAI, focusing on clean architecture, strong design principles, and reliable DevOps practices. I enjoy solving complex engineering problems and designing systems that are maintainable, resilient, and built to scale.
Mehdi Ben Haddou
- Founder of Chessigma (1M+ users) & many small projects
- ex Founding Engineer @Uplane (YC F25)
- ex Software Engineer @Amazon and @Booking.com
Sage Fulcher
Hey I'm Sage! Im a Boston area software engineer who grew up in South Florida. Ive worked at a ton of cool places like a telehealth kidney care startup that took part in a billion dollar merger (Cricket health/Interwell health), a boutique design agency where I got to work on a ton of exciting startups including a photography education app, a collegiate Esports league and more (Philosophie), a data analytics as a service startup in Cambridge (MA) as well as at Phillips and MIT Lincoln Lab where I designed and developed novel network security visualizations and analytics. I've been writing code and furiously devoted to using computers to make people’s lives easier for about 17 years. My degree is in making computers make pretty lights and sounds. Outside of work I love hip hop, the Celtics, professional wrestling, magic the gathering, photography, drumming, and guitars (both making and playing them)
Franck Plazanet
I am a Strategic Engineering Leader with over 8 years of experience building high-availability enterprise systems and scaling high-performing technical teams. My focus is on bridging the gap between complex technology and business growth.
Core Expertise:
🚀 Leadership: Managing and coaching teams of 15+ engineers, fostering a culture of accountability and continuous improvement.
🏗️ Architecture: Enterprise Core Systems, Multi-system Integration (ERP/API/ETL), and Core Database Structure.
☁️ Cloud & Scale: AWS Expert; architected systems handling 10B+ monthly requests and managing 100k+ SKUs.
📈 Business Impact: Aligning tech strategy with P&L goals to drive $70k+ in monthly recurring revenue.
I thrive on "out-of-the-box" thinking to solve complex technical bottlenecks and am always looking for ways to use automation to improve business productivity.
You don't need to be technical. Just describe what's wrong and a verified developer will handle the rest.
Get HelpFrequently Asked Questions
Why is the date picker so hard to use on my phone?
Custom calendar widgets designed for desktop use have tiny tap targets that don't work with fingers. The simplest fix is to use the browser's native date input (type='date') on mobile, which provides a touch-optimized date selection interface.
Can I use the native phone date picker in Base44?
If you can set the input type to 'date', mobile browsers will show their native date picker. This provides the best mobile experience with wheel-style or calendar interfaces optimized for touch.