run method

@override Future<void> run()

Runs this command.

The return value is wrapped in a Future if necessary and returned by CommandRunner.runCommand.

Implementation

@override
Future<void> run() async {
  print('Checking for running Android emulators...');

  final adbResult = await Process.run('adb', ['devices']);
  if (adbResult.exitCode != 0) {
    print('Failed to run adb:');
    print(adbResult.stderr);
    return;
  }

  final lines = (adbResult.stdout as String).split('\n').skip(1).toList();
  String? emulatorId;
  for (var line in lines) {
    if (line.trim().isNotEmpty &&
        line.contains('device') &&
        line.contains('emulator')) {
      emulatorId = line.split('\t').first.trim();
      break;
    }
  }

  if (emulatorId == null) {
    print('No running emulator found. Launching default emulator...');
    final avdListResult = await Process.run('emulator', ['-list-avds']);
    if (avdListResult.exitCode != 0) {
      print('Failed to list Android virtual devices:');
      print(avdListResult.stderr);
      return;
    }

    final avds = (avdListResult.stdout as String)
        .split('\n')
        .where((s) => s.isNotEmpty)
        .toList();
    if (avds.isEmpty) {
      print('No AVDs available. Create one with `avdmanager`.');
      return;
    }

    final defaultAvd = avds.first;
    print('Starting emulator $defaultAvd...');
    Process.start('emulator', ['-avd', defaultAvd], runInShell: true);
    print('Waiting for emulator to start...');
    await Process.run('adb', ['wait-for-device']);
    emulatorId = 'emulator-5554';
  }

  print('Building release APK...');
  final buildResult = await Process.run('flutter', [
    'build',
    'apk',
    '--release',
  ], runInShell: true);
  if (buildResult.exitCode != 0) {
    print('Failed to build APK:');
    print(buildResult.stderr);
    return;
  }

  print('Installing APK on emulator $emulatorId...');
  final apkPathResult = await Process.run('bash', [
    '-c',
    'find build/app/outputs/flutter-apk -name "*.apk" | head -n 1',
  ]);
  final apkPath = (apkPathResult.stdout as String).trim();
  if (apkPath.isEmpty) {
    print('Could not find generated APK.');
    return;
  }

  final installResult = await Process.run('adb', [
    '-s',
    emulatorId,
    'install',
    '-r',
    apkPath,
  ]);
  if (installResult.exitCode != 0) {
    print('Failed to install APK:');
    print(installResult.stderr);
    return;
  }

  print('APK installed successfully on $emulatorId.');
}