flutter_fps 0.0.2

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flutter-fps #

pub package

A Flutter library to catch fps.

Getting Started #

In your flutter project add the dependency:

  flutter_fps: ^0.0.2

Usage: #

Import first:

import 'package:flutter_fps/flutter_fps.dart';

Then in your top level StatefulWidget, add the following line:

void initState() {

[0.0.2] - 2019.5.17 #

  • Callback 'fps = 0' when rendering is idle.

[0.0.1] - 2019.5.13 #

  • First release.


import 'package:flutter/material.dart';
import 'package:flutter_fps/flutter_fps.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Fps Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      home: MyHomePage(title: 'Fps Demo'),

class MyHomePage extends StatefulWidget {
  MyHomePage({Key key, this.title}) : super(key: key);

  final String title;

  _MyHomePageState createState() => _MyHomePageState();

class _MyHomePageState extends State<MyHomePage> {
  void initState() {

  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      body: GridView.count(
        crossAxisCount: 2,
        mainAxisSpacing: 8,
        crossAxisSpacing: 8,
        padding: EdgeInsets.all(8),
        children: List.generate(100, (index) {
          return Stack(
            children: <Widget>[
                fit: BoxFit.cover,

Use this package as a library

1. Depend on it

Add this to your package's pubspec.yaml file:

  flutter_fps: ^0.0.2

2. Install it

You can install packages from the command line:

with Flutter:

$ flutter pub get

Alternatively, your editor might support flutter pub get. Check the docs for your editor to learn more.

3. Import it

Now in your Dart code, you can use:

import 'package:flutter_fps/flutter_fps.dart';
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Learn more about scoring.

We analyzed this package on Jul 8, 2020, and provided a score, details, and suggestions below. Analysis was completed with status completed using:

  • Dart: 2.8.4
  • pana: 0.13.13
  • Flutter: 1.17.5

Analysis suggestions

Package not compatible with SDK dart

because of import path [flutter_fps] that is in a package requiring null.

Health suggestions

Format lib/src/frame_captor.dart.

Run flutter format to format lib/src/frame_captor.dart.

Maintenance suggestions

The package description is too short. (-20 points)

Add more detail to the description field of pubspec.yaml. Use 60 to 180 characters to describe the package, what it does, and its target use case.

Package is getting outdated. (-14.25 points)

The package was last published 59 weeks ago.

Package is pre-v0.1 release. (-10 points)

While nothing is inherently wrong with versions of 0.0.*, it might mean that the author is still experimenting with the general direction of the API.


Package Constraint Resolved Available
Direct dependencies
Dart SDK >=2.1.0 <3.0.0
flutter 0.0.0
Transitive dependencies
collection 1.14.12 1.14.13
meta 1.1.8 1.2.1
sky_engine 0.0.99
typed_data 1.1.6 1.2.0
vector_math 2.0.8
Dev dependencies