Notification listeners can be enabled in Settings>Security.

Also known as android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS.

Bug: 8454150
Change-Id: I0c2433bf58ba4c78cd461326bd014535c7f67578

1 files changed, 22 insertions, 0 deletions

diff --git a/src/com/android/settings/SecuritySettings.java b/src/com/android/settings/SecuritySettings.java
index 971a196..d75d630 100644
--- a/src/com/android/settings/SecuritySettings.java
+++ b/src/com/android/settings/SecuritySettings.java
@@ -79,6 +79,7 @@ public class SecuritySettings extends SettingsPreferenceFragment
     private static final String KEY_TOGGLE_VERIFY_APPLICATIONS = "toggle_verify_applications";
     private static final String KEY_POWER_INSTANTLY_LOCKS = "power_button_instantly_locks";
     private static final String KEY_CREDENTIALS_MANAGER = "credentials_management";
+    private static final String KEY_NOTIFICATION_ACCESS = "manage_notification_access";
     private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive";
 
     DevicePolicyManager mDPM;
@@ -100,6 +101,8 @@ public class SecuritySettings extends SettingsPreferenceFragment
     private CheckBoxPreference mToggleVerifyApps;
     private CheckBoxPreference mPowerButtonInstantlyLocks;
 
+    private Preference mNotificationAccess;
+
     private boolean mIsPrimary;
 
     @Override
@@ -283,9 +286,28 @@ public class SecuritySettings extends SettingsPreferenceFragment
             }
         }
 
+        final int n = getNumEnabledNotificationListeners();
+        mNotificationAccess = findPreference(KEY_NOTIFICATION_ACCESS);
+        if (n == 0) {
+            mNotificationAccess.setSummary(getResources().getString(
+                    R.string.manage_notification_access_summary_zero));
+        } else {
+            mNotificationAccess.setSummary(String.format(getResources().getQuantityString(
+                    R.plurals.manage_notification_access_summary_nonzero,
+                    n, n)));
+        }
+
         return root;
     }
 
+    private int getNumEnabledNotificationListeners() {
+        final String flat = Settings.Secure.getString(getContentResolver(),
+                Settings.Secure.ENABLED_NOTIFICATION_LISTENERS);
+        if (flat == null || "".equals(flat)) return 0;
+        final String[] components = flat.split(":");
+        return components.length;
+    }
+
     private boolean isNonMarketAppsAllowed() {
         return Settings.Global.getInt(getContentResolver(),
                                       Settings.Global.INSTALL_NON_MARKET_APPS, 0) > 0;