Intent intent = new Intent(Intent.ActionOpenDocument); intent.SetType("image/*"); startActivity(Intent.CreateChooser(intent, "Choose an image viewer"));In this example, the intent is set to open a document of type "image/*", and CreateChooser is used to create a dialog box prompting the user to choose an app to open the file. The package library for CreateChooser is part of the Android framework and is included in the Android SDK.