82.5 Providing a Rationale for the Permission Request
As is evident from Figure 82-3, the user has the option to deny the requested permission. In this case, the app will continue to request the permission each time that it is launched by the user unless the user selected the “Never ask again” option prior to clicking on the Deny button. Repeated denials by the user may indicate that the user doesn’t understand why the permission is required by the app. The user might, therefore, be more likely to grant permission if the reason for the requirements is explained when the request is made. Unfortunately, it is not possible to change the content of the request dialog to include such an explanation.
An explanation is best included in a separate dialog which can be displayed before the request dialog is presented to the user. This raises the question as to when to display this explanation dialog. The Android documentation recommends that an explanation dialog only...
