<permission-tree>

syntax:
<permission-tree android:icon="drawable resource"
                 android:label="string resource"
                 android:name="string" />
contained in:
<manifest>
description:
Declares the base name for a tree of permissions. The application takes ownership of all names within the tree. It can dynamically add new permissions to the tree by calling PackageManager.addPermission(). Names within the tree are separated by periods ('.'). For example, if the base name is com.example.project.taxes, permissions like the following might be added:

com.example.project.taxes.CALCULATE
com.example.project.taxes.deductions.STORE_RECEIPTS
com.example.project.taxes.deductions.ACCESS_RECORDS

This element doesn't declare a permission itself, only a namespace in which permissions can be placed. For more information about declaring permissions, see the <permission> element.

attributes:
android:icon
An icon representing all the permissions in the tree. This attribute must be set as a reference to a drawable resource containing the image definition.
android:label
A user-readable name for the group. As a convenience, the label can be directly set as a raw string during development. However, when the application is ready to be published, set it as a reference to a string resource, so that it can be localized like other strings in the user interface.
android:name
The name at the base of the permission tree. It serves as a prefix to all permission names in the tree. Use Java-style scoping so that the name is unique. The name must have more than two period-separated segments in its path. For example, com.example.base is OK, but com.example isn't.
introduced in:
API level 1
see also:
<permission>
<permission-group>
<uses-permission>