isFlutterInstalled function

Implementation

Future<bool> isFlutterInstalled() async {
  try {
    final result = await Process.run('flutter', ['--version']);
    return result.exitCode == 0;
  } catch (e) {
    // Try to find Flutter in common paths and use full path
    final flutterPath = getFlutterPath();
    if (flutterPath != null) {
      try {
        final result = await Process.run(flutterPath, ['--version']);
        return result.exitCode == 0;
      } catch (e2) {
        return false;
      }
    }
    return false;
  }
}