Display explanatory text in 'App permissions' settings when permissions policies are enforced

"Enforced by policy" is shown in summary when permissions are
enforced by policy, in both permission grouped by app and app grouped by
permission screen

Bug: 22195440

Change-Id: I3a6e0eae43e0ddf07bbeb43c968c3422b6e6a13b

3 files changed, 9 insertions, 0 deletions

diff --git a/res/values/strings.xml b/res/values/strings.xml
index 47cea64d..f71dfe99 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -250,4 +250,7 @@
    <!-- [CHAR LIMIT=NONE] Warning message when turning off permission for system apps -->
    <string name="system_warning">If you deny this permission, basic features of your device may no longer function as intended.</string>
 
+   <!-- [CHAR LIMIT=NONE] Summary of a permission switch when it's enforced by policy -->
+   <string name="permission_summary_enforced_by_policy">Enforced by policy</string>
+
 </resources>
diff --git a/src/com/android/packageinstaller/permission/ui/AppPermissionsFragment.java b/src/com/android/packageinstaller/permission/ui/AppPermissionsFragment.java
index d88b9adc..b291f582 100644
--- a/src/com/android/packageinstaller/permission/ui/AppPermissionsFragment.java
+++ b/src/com/android/packageinstaller/permission/ui/AppPermissionsFragment.java
@@ -235,6 +235,9 @@ public final class AppPermissionsFragment extends SettingsWithHeader
             preference.setIcon(Utils.applyTint(getContext(), icon,
                     android.R.attr.colorControlNormal));
             preference.setTitle(group.getLabel());
+            if (group.isPolicyFixed()) {
+                preference.setSummary(getString(R.string.permission_summary_enforced_by_policy));
+            }
             preference.setPersistent(false);
             preference.setEnabled(!group.isPolicyFixed());
             preference.setChecked(group.areRuntimePermissionsGranted());
diff --git a/src/com/android/packageinstaller/permission/ui/PermissionAppsFragment.java b/src/com/android/packageinstaller/permission/ui/PermissionAppsFragment.java
index ae7560e8..e843b0cb 100644
--- a/src/com/android/packageinstaller/permission/ui/PermissionAppsFragment.java
+++ b/src/com/android/packageinstaller/permission/ui/PermissionAppsFragment.java
@@ -208,6 +208,9 @@ public final class PermissionAppsFragment extends PreferenceFragment implements
                 pref.setKey(app.getKey());
                 pref.setIcon(app.getIcon());
                 pref.setTitle(app.getLabel());
+                if (app.isPolicyFixed()) {
+                    pref.setSummary(getString(R.string.permission_summary_enforced_by_policy));
+                }
                 pref.setPersistent(false);
                 pref.setEnabled(!app.isPolicyFixed());
                 preferences.addPreference(pref);