Introduce device owner API to disable the status bar

Let the device owner disable the status bar to achieve multi-app single purpose
mode. When the status bar is disabled, quick settings, notifications and the
assist gesture are blocked.

Bug: 19533026
Change-Id: I72830798135136e5edc53e5e2221aebb9a7c7d57

2 files changed, 17 insertions, 0 deletions

diff --git a/core/java/android/app/admin/DevicePolicyManager.java b/core/java/android/app/admin/DevicePolicyManager.java
index a0a6c4cd678c..44760ce3729d 100644
--- a/core/java/android/app/admin/DevicePolicyManager.java
+++ b/core/java/android/app/admin/DevicePolicyManager.java
@@ -4210,4 +4210,20 @@ public class DevicePolicyManager {
             return false;
         }
     }
+
+    /**
+     * Called by device owner to set the enabled state of the status bar. Disabling the status
+     * bar blocks notifications, quick settings and other screen overlays that allow escaping from
+     * a single use device.
+     *
+     * @param admin Which {@link DeviceAdminReceiver} this request is associated with.
+     * @param enabled New state of the status bar.
+     */
+    public void setStatusBarEnabledState(ComponentName admin, boolean enabled) {
+        try {
+            mService.setStatusBarEnabledState(admin, enabled);
+        } catch (RemoteException re) {
+            Log.w(TAG, "Failed talking with device policy service", re);
+        }
+    }
 }
diff --git a/core/java/android/app/admin/IDevicePolicyManager.aidl b/core/java/android/app/admin/IDevicePolicyManager.aidl
index 131b99cb4e4a..7502e1d56fe0 100644
--- a/core/java/android/app/admin/IDevicePolicyManager.aidl
+++ b/core/java/android/app/admin/IDevicePolicyManager.aidl
@@ -223,4 +223,5 @@ interface IDevicePolicyManager {
     PersistableBundle getOtaPolicy();
 
     boolean setKeyguardEnabledState(in ComponentName admin, boolean enabled);
+    void setStatusBarEnabledState(in ComponentName who, boolean enabled);
 }