Merge "Grant USB device permission by using system permission."

1 files changed, 16 insertions, 0 deletions

diff --git a/core/java/android/hardware/usb/UsbManager.java b/core/java/android/hardware/usb/UsbManager.java
index a23a6cbe71fe..1e3bcd0fc796 100644
--- a/core/java/android/hardware/usb/UsbManager.java
+++ b/core/java/android/hardware/usb/UsbManager.java
@@ -23,6 +23,7 @@ import android.app.PendingIntent;
 import android.content.Context;
 import android.os.Bundle;
 import android.os.ParcelFileDescriptor;
+import android.os.Process;
 import android.os.RemoteException;
 import android.util.Log;
 
@@ -455,6 +456,21 @@ public class UsbManager {
     }
 
     /**
+     * Grants permission for USB device without showing system dialog.
+     * Only system components can call this function.
+     * @param device to request permissions for
+     *
+     * {@hide}
+     */
+    public void grantPermission(UsbDevice device) {
+        try {
+            mService.grantDevicePermission(device, Process.myUid());
+        } catch (RemoteException e) {
+            Log.e(TAG, "RemoteException in grantPermission", e);
+        }
+    }
+
+    /**
      * Returns true if the specified USB function is currently enabled when in device mode.
      * <p>
      * USB functions represent interfaces which are published to the host to access