Show screen pinning toasts on all users

Bug: 17657660
Change-Id: I964a210e7fb105e9494a7ab7f383aa9d141ba136

2 files changed, 19 insertions, 3 deletions

diff --git a/core/java/android/widget/Toast.java b/core/java/android/widget/Toast.java
index dd165ae94ecb..be4cdc16e1d3 100644
--- a/core/java/android/widget/Toast.java
+++ b/core/java/android/widget/Toast.java
@@ -235,6 +235,14 @@ public class Toast {
     public int getYOffset() {
         return mTN.mY;
     }
+
+    /**
+     * Gets the LayoutParams for the Toast window.
+     * @hide
+     */
+    public WindowManager.LayoutParams getWindowParams() {
+        return mTN.mParams;
+    }
     
     /**
      * Make a standard toast that just contains a text view.
diff --git a/services/core/java/com/android/server/am/LockTaskNotify.java b/services/core/java/com/android/server/am/LockTaskNotify.java
index 5768ddbe8380..b3777ed30c21 100644
--- a/services/core/java/com/android/server/am/LockTaskNotify.java
+++ b/services/core/java/com/android/server/am/LockTaskNotify.java
@@ -19,6 +19,7 @@ package com.android.server.am;
 import android.content.Context;
 import android.os.Handler;
 import android.os.Message;
+import android.view.WindowManager;
 import android.view.accessibility.AccessibilityManager;
 import android.widget.Toast;
 
@@ -56,8 +57,7 @@ public class LockTaskNotify {
         if (mLastToast != null) {
             mLastToast.cancel();
         }
-        mLastToast = Toast.makeText(mContext, text, Toast.LENGTH_LONG);
-        mLastToast.show();
+        mLastToast = makeAllUserToastAndShow(text);
     }
 
     public void show(boolean starting) {
@@ -65,7 +65,15 @@ public class LockTaskNotify {
         if (starting) {
             showString = R.string.lock_to_app_start;
         }
-        Toast.makeText(mContext, mContext.getString(showString), Toast.LENGTH_LONG).show();
+        makeAllUserToastAndShow(mContext.getString(showString));
+    }
+
+    private Toast makeAllUserToastAndShow(String text) {
+        Toast toast = Toast.makeText(mContext, text, Toast.LENGTH_LONG);
+        toast.getWindowParams().privateFlags |=
+                WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS;
+        toast.show();
+        return toast;
     }
 
     private final class H extends Handler {