Lottie

Lottie control. Build it with the lottie helper.

Example

lottie(
  src: "assets/success.json",
  repeat: true,
  on_load: ->(event) {}
)

Properties

• alignment — Alignment of the content within the control.
• animate — Sets the animate property.
• background_loading — Sets the background loading property.
• enable_layers_opacity — Sets the enable layers opacity property.
• enable_merge_paths — Sets the enable merge paths property.
• error_content — Sets the error content property.
• filter_quality — Sets the filter quality property.
• fit — Sets the fit property.
• headers — Sets the headers property.
• repeat — Sets the repeat property.
• reverse — Sets the reverse property.
• src — Source URL or asset path of the image.

Common layout and animation properties

• align — Alignment of the control within its parent.
• animate_align — Animates alignment changes.
• animate_margin — Animates margin changes.
• animate_offset — Animates offset changes.
• animate_opacity — Animates opacity changes.
• animate_position — Animates position changes.
• animate_rotation — Animates rotation changes.
• animate_scale — Animates scale changes.
• animate_size — Animates size changes.
• aspect_ratio — Width-to-height ratio to maintain.
• badge — Badge drawn on the corner of the control.
• bottom — Bottom offset when positioned inside a stack.
• col — Responsive column span (1-12) per breakpoint.
• data — Arbitrary value you can attach to the control and read back in handlers.
• disabled — Disables interaction when true.
• expand — Fills the available space along the parent's main axis when true.
• expand_loose — Like expand, but only grows up to the child's natural size.
• height — Fixed height in logical pixels.
• key — Stable identity used to preserve state across rebuilds.
• left — Left offset when positioned inside a stack.
• margin — Outer spacing around the control.
• offset — Translation offset applied to the control.
• opacity — Opacity from 0.0 (transparent) to 1.0 (opaque).
• right — Right offset when positioned inside a stack.
• rotate — Rotation applied to the control.
• rtl — Renders right-to-left when true.
• scale — Scale transform applied to the control.
• size_change_interval — Throttle interval for on_size_change, in ms.
• tooltip — Text shown on hover/long-press.
• top — Top offset when positioned inside a stack.
• visible — Hides the control when false.
• width — Fixed width in logical pixels.

Events

• on_animation_end — Fired when an animation completes.
• on_error — Fired when an error occurs.
• on_load — Fired on load.
• on_size_change — Fired when the control's size changes.

Reference

• Family: materials
• Widget type: lottie
• Helpers: lottie