A new flutter plugin project.
This project is a starting point for a Flutter plug-in package, a specialized package that includes platform-specific implementation code for Android and/or iOS.
For help getting started with Flutter, view our online documentation, which offers tutorials, samples, guidance on mobile development, and a full API reference.
bool isInstall = await OpenApp.isInstalledApp(packageName);
bool result = await OpenApp.openApp(packageName);