performance_class 1.0.0

A Flutter FFI plugin for Android device performance classification. Analyzes device hardware and software capabilities to classify Android devices into performance categories (Low, Average, High).

example/lib/main.dart

import 'package:flutter/material.dart';

import 'package:performance_class/performance_class.dart' as performance_class;
import 'package:performance_class/performance_class_bindings_generated.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatefulWidget {
  const MyApp({super.key});

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  late Map<String, dynamic> deviceInfo;
  late String performanceClass;
  late int cpuFreq;

  @override
  void initState() {
    super.initState();
    _loadDeviceInfo();
  }

  void _loadDeviceInfo() {
    final classifier = performance_class.PerformanceClassifier.instance;

    // Get detailed device information
    deviceInfo = classifier.getDetailedDeviceInfo();

    // Get performance class string
    final result = classifier.getPerformanceClass();
    performanceClass = classifier.getPerformanceClassString(
      PerformanceClass.fromValue(result.performance_class),
    );

    // Get CPU frequency
    cpuFreq = classifier.readAverageMaxCpuFreq(deviceInfo['cpuCount']);
  }

  @override
  Widget build(BuildContext context) {
    const textStyle = TextStyle(fontSize: 16);
    const titleStyle = TextStyle(fontSize: 18, fontWeight: FontWeight.bold);
    const spacerSmall = SizedBox(height: 10);
    const spacerMedium = SizedBox(height: 20);

    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Performance Class Plugin'),
          backgroundColor: Colors.blue,
          foregroundColor: Colors.white,
        ),
        body: SingleChildScrollView(
          child: Container(
            padding: const EdgeInsets.all(16),
            child: Column(
              crossAxisAlignment: CrossAxisAlignment.start,
              children: [
                const Text(
                  'Android Device Performance Classification',
                  style: TextStyle(fontSize: 24, fontWeight: FontWeight.bold),
                ),
                spacerMedium,

                // Android-only warning
                Container(
                  padding: const EdgeInsets.all(16),
                  decoration: BoxDecoration(
                    color: Colors.orange.shade50,
                    borderRadius: BorderRadius.circular(8),
                    border: Border.all(color: Colors.orange.shade200),
                  ),
                  child: Column(
                    crossAxisAlignment: CrossAxisAlignment.start,
                    children: [
                      Row(
                        children: [
                          Icon(Icons.warning, color: Colors.orange.shade700),
                          const SizedBox(width: 8),
                          const Text(
                            'Android Only',
                            style: TextStyle(
                              fontSize: 18,
                              fontWeight: FontWeight.bold,
                              color: Colors.orange,
                            ),
                          ),
                        ],
                      ),
                      spacerSmall,
                      const Text(
                        'This plugin is designed specifically for Android devices only. '
                        'While it may run on other platforms, it will not provide accurate '
                        'performance classification.',
                        style: TextStyle(fontSize: 14),
                      ),
                    ],
                  ),
                ),
                spacerMedium,

                const Text(
                  'This plugin analyzes your Android device\'s hardware and software capabilities '
                  'to classify it into a performance category. The classification is based on factors '
                  'like CPU cores, memory, Android version, and media performance class.',
                  style: textStyle,
                ),
                spacerMedium,

                // Performance Class Section
                Container(
                  padding: const EdgeInsets.all(16),
                  decoration: BoxDecoration(
                    color: Colors.blue.shade50,
                    borderRadius: BorderRadius.circular(8),
                    border: Border.all(color: Colors.blue.shade200),
                  ),
                  child: Column(
                    crossAxisAlignment: CrossAxisAlignment.start,
                    children: [
                      const Text(
                        'Performance Classification',
                        style: titleStyle,
                      ),
                      spacerSmall,
                      Text('Class: $performanceClass', style: textStyle),
                      Text(
                        'Raw Value: ${deviceInfo['performanceClassRaw']}',
                        style: textStyle,
                      ),
                      Text(
                        'Is High-End: ${deviceInfo['isHighEnd']}',
                        style: textStyle,
                      ),
                      Text(
                        'Is Low-End: ${deviceInfo['isLowEnd']}',
                        style: textStyle,
                      ),
                    ],
                  ),
                ),
                spacerMedium,

                // Device Information Section
                Container(
                  padding: const EdgeInsets.all(16),
                  decoration: BoxDecoration(
                    color: Colors.green.shade50,
                    borderRadius: BorderRadius.circular(8),
                    border: Border.all(color: Colors.green.shade200),
                  ),
                  child: Column(
                    crossAxisAlignment: CrossAxisAlignment.start,
                    children: [
                      const Text('Device Information', style: titleStyle),
                      spacerSmall,
                      Text(
                        'Android Version: ${deviceInfo['androidVersion']}',
                        style: textStyle,
                      ),
                      Text(
                        'CPU Cores: ${deviceInfo['cpuCount']}',
                        style: textStyle,
                      ),
                      Text(
                        'Memory: ${deviceInfo['memoryClassMb']} MB',
                        style: textStyle,
                      ),
                      Text(
                        'Max CPU Frequency: ${deviceInfo['maxCpuFreqMhz']} MHz',
                        style: textStyle,
                      ),
                      Text(
                        'Media Performance Class: ${deviceInfo['mediaPerformanceClass']}',
                        style: textStyle,
                      ),
                      Text(
                        'Read CPU Frequency: ${cpuFreq == -1 ? 'Unable to read' : '$cpuFreq MHz'}',
                        style: textStyle,
                      ),
                    ],
                  ),
                ),
              ],
            ),
          ),
        ),
      ),
    );
  }
}