From aea74a5977ca9f1054926eb24f247562c3a4a6ba Mon Sep 17 00:00:00 2001
From: Craig Mautner <cmautner@google.com>
Date: Sat, 8 Mar 2014 14:23:10 -0800
Subject: Add Lock Task Mode.

When in lock task mode only the specified task may run. All
attempts to switch to another task are ignored until the task
finishes or a call to stopLockTaskMode() is made.

Change-Id: I6cfe92fe1bcf22cd47b5398c08e23c52a4092dda
---
 core/java/android/app/ActivityManager.java | 38 ++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

(limited to 'core/java/android/app/ActivityManager.java')

diff --git a/core/java/android/app/ActivityManager.java b/core/java/android/app/ActivityManager.java
index 7f7616f..a2183e6 100644
--- a/core/java/android/app/ActivityManager.java
+++ b/core/java/android/app/ActivityManager.java
@@ -155,6 +155,13 @@ public class ActivityManager {
     public static final int START_SWITCHES_CANCELED = 4;
 
     /**
+     * Result for IActivityManaqer.startActivity: a new activity was attempted to be started
+     * while in Lock Task Mode.
+     * @hide
+     */
+    public static final int START_RETURN_LOCK_TASK_MODE_VIOLATION = 5;
+
+    /**
      * Flag for IActivityManaqer.startActivity: do special start mode where
      * a new activity is launched only if it is needed.
      * @hide
@@ -2232,4 +2239,35 @@ public class ActivityManager {
             e.printStackTrace(pw);
         }
     }
+
+    /**
+     * @hide
+     */
+    public void startLockTaskMode(int taskId) {
+        try {
+            ActivityManagerNative.getDefault().startLockTaskMode(taskId);
+        } catch (RemoteException e) {
+        }
+    }
+
+    /**
+     * @hide
+     */
+    public void stopLockTaskMode() {
+        try {
+            ActivityManagerNative.getDefault().stopLockTaskMode();
+        } catch (RemoteException e) {
+        }
+    }
+
+    /**
+     * @hide
+     */
+    public boolean isInLockTaskMode() {
+        try {
+            return ActivityManagerNative.getDefault().isInLockTaskMode();
+        } catch (RemoteException e) {
+            return false;
+        }
+    }
 }
-- 
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