install method

Future<InstallResult> install()

安装APK（仅 Android）

Implementation

Future<InstallResult> install() async {
  _ensureAndroid();
  _ensureInitialized();

  if (statusNotifier.value != DownloadStatus.finished || _savePath == null) {
    _emit(UpgraderEventType.installError, '文件未下载完成，无法安装', {
      'status': statusNotifier.value.name,
    });
    return const InstallResult(
      InstallStatus.fileNotFound,
      message: 'The APK has not finished downloading.',
    );
  }

  _emit(UpgraderEventType.installStart, '准备安装 APK');

  try {
    final result = await TinyUpgraderPlatform.instance.installApk(_savePath!);
    if (result.installerLaunched) {
      _emit(UpgraderEventType.installIntentLaunched, 'APK 安装器已启动');
    } else {
      _emit(UpgraderEventType.installError, '未能启动 APK 安装器', {
        'status': result.status.name,
        'message': result.message,
      });
    }
    return result;
  } catch (error) {
    _emit(UpgraderEventType.installError, '安装失败', {
      'error': error.toString(),
    });
    _safeErrorCallback(error);
    return InstallResult(InstallStatus.failed, message: error.toString());
  }
}