FpsTracker class
Tracks frame rendering performance using Flutter engine callbacks.
Measures average FPS, total frames, and slow frames (>16 ms).
Constructors
Properties
- averageFps → double
-
Rolling average FPS based on recent frame durations.
no setter
- hashCode → int
-
The hash code for this object.
no setterinherited
- isTracking → bool
-
Whether the tracker is currently active.
no setter
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- slowFrames → int
-
Number of frames that exceeded slowFrameThreshold.
no setter
- totalFrames → int
-
Total frames observed since tracking started.
no setter
Methods
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
reset(
) → void - Reset all counters.
-
start(
) → void - Start listening to frame timings from the Flutter engine.
-
stop(
) → void - Stop listening to frame timings.
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited
Constants
- maxRecentFrames → const int
- Maximum recent frames kept for rolling FPS calculation.
- slowFrameThreshold → const Duration
- Frames exceeding this duration are considered slow (targeting 60 fps).