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๐Ÿ“– Fullscreen Sheet Music Viewer (Stage Mode)

The Viewer (ViewerPage) is where music comes to life. Tailored to eliminate all visual distractions, it offers maximum readability, zero-flash synchronous rendering, and rapid gesture and hardware controls.

๐Ÿ‘† Stage Gestures & Navigation

  • Turn to Next Page:
  • Tap the right half of the screen or swipe right-to-left (fully configurable in Settings: horizontal swipe, tap, or vertical swipe).
  • Turn to Previous Page:
  • Tap the left half or swipe left-to-right.
  • Continuous Setlist Transition:
  • When reaching the final page of a score in a setlist, the next page turn immediately opens page 1 of the next piece.
  • Pinch-to-Zoom & Smooth Pan:
  • Spread two fingers to enlarge a tight measure or complex notation. Freely pan around the score even while zoomed.
  • 2-Page Landscape View:
  • On horizontal tablet screens, enable dual-page mode in Settings to display two consecutive pages side by side.
  • Annotations are projected with millimeter geometric accuracy on left (leftPage) and right (rightPage) pages, respecting letterbox and pillarbox margins.
  • Clickable Page Indicator:
  • Bottom-right page count badge (e.g., 2/8). Tapping it opens a direct jump dialog to any page number.

๐Ÿฆถ Hands-Free Foot Control: Bluetooth Pedals & MIDI Events

Music Score Manager features universal hardware controller support: - Bluetooth HID Pedals & Wireless Keyboards: AirTurn, PageFlip Dragonfly/Firefly, Joyo, Donner, Thomann/Harley Benton, IK Multimedia iRig BlueTurn, Coda STOMP, standard keyboard arrows, etc. - MIDI Controllers (USB-OTG & Bluetooth MIDI): Sustain pedals (CC 64), sostenuto (CC 66), soft pedals (CC 67), MIDI note events, and Program Changes. - Assignable Stage Actions (independently assignable to short press or long press with 200โ€“1000 ms sensitivity): - Next / previous page - Next / previous song in setlist - Song start (page 1) / song end - Scroll up / down - Start / stop metronome & mute sound - Backing audio Play / Pause / Restart - Reset zoom to 100% - Open direct page jump - Lock / unlock annotations - Undo / Redo annotations - Open central menu / Close viewer

๐ŸŽ›๏ธ Central Quick Menu (Double-Tap)

Double-tap at the center of the screen to open the quick action menu without leaving your score:

  1. โ†ป Rotation (+90ยฐ):
  2. Rotates the score clockwise by 90 degrees.
  3. ยซ Apply to this page only ยป toggle: Rotate only an inverted landscape page.
  4. ยซ Remember rotations ยป toggle: Saves orientation permanently in SQLite.
  5. ๐Ÿ” Reset zoom to 100%:
  6. Instantly restores default full-page scaling and centers the document.
  7. ๐Ÿ“„ Page: Jump directly to a page number.
  8. โฑ๏ธ Show / Hide Metronome: Toggles the metronome overlay.
  9. ๐ŸŽง Show / Hide Audio Player: Toggles the audio transport overlay.
  10. ๐Ÿ“‘ Modify PDF Assembly: Direct shortcut to PDF Assembler Studio.
  11. โœ๏ธ Edit Score: Instant access to musical metadata editing.
  12. Return to Home / Close: Clean exit from the viewer.

โœ๏ธ Complete Annotation Suite

The annotation toolbar can be dragged vertically across the screen (Pan), with secondary option boxes magnetically docked directly above:

  • ๐Ÿ–Œ๏ธ Chiseled Highlighter (Stabilo):
  • Natural translucent stroke with flat, chiseled ends (PenLineCap.Flat).
  • 4 vibrant colors (yellow, green, blue, pink) and 3 widths (5 mm, 10 mm, 18 mm).
  • T Typographic Text:
  • Place custom typed text directly on the sheet music, 6 colors, 5 font sizes.
  • โœŽ Freehand Pencil:
  • 100% opaque foreground drawing, 6 solid colors, 5 calibrated widths from 1 mm to 5 mm.
  • โ Musical Stickers & Favorites:
  • Over 100 stickers organized into categories: Favorites, Fingerings, Dynamics, Articulations, Repeats, Notes (๐…, ๐…ž, โ™ฉ, โ™ช, โ™ซ...), Rests (๐„ป, ๐„ผ, ๐„ฝ, ๐„พ...), Accidentals (โ™ฏ, โ™ญ, โ™ฎ, ๐„ช, ๐„ซ), and Symbols.
  • Large tactile slider to effortlessly adjust sticker size with your fingers.
  • โ†ฉ๏ธ Undo & โ†ช๏ธ Redo:
  • Dynamic step-by-step history to quickly reverse or reapply any drawing or sticker placement.
  • ๐Ÿ”’/๐Ÿ”“ Strict Safety Lock:
  • Automatically locks by default on score open to safeguard the score from unwanted touches during live play.
  • Automatically unlocks when selecting an editing tool.
  • Automatically relocks when closing the toolbar (cross button โœ•).
  • โœง Clear Page: Reset all annotations on the current page with one tap.
  • ๐Ÿ—‘๏ธ Targeted Delete: Touch any existing sticker or text to modify or delete it.

โฑ๏ธ High-Precision Built-in Metronome

  • Thread-Safe Regulated Engine: Zero CPU drift via double timing loop (Stopwatch + SpinWait).
  • Zero Audio Latency: Direct hardware sample triggers via Android SoundPool.
  • Visual Pulse & LED: Flashing LED indicator synchronized with downbeats and upbeats.
  • Audio Click Mute: Toggle sound on/off on the fly while retaining visual pulsing.
  • Synchronized Pre-Count: Precise measure countdown before starting audio playback.

๐ŸŽง Synchronized Audio Backing Player

  • Supports attached MP3, WAV, AAC, and FLAC accompaniment tracks.
  • Compact transport bar with Play/Pause button.
  • Scrubbing progress slider with elapsed time and total duration display.