Android/frameworks_base
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add new Usb.ACTION_USB_STATE sticky broadcast for monitoring USB connect state

Browse Source 
This can be used instead of ACTION_USB_CONNECTED and ACTION_USB_DISCONNECTED
by clients that need to be informed of both USB connect and disconnect events

Change-Id: Ic26927af2e775c2694d18775f9d574c97b095dfd
Signed-off-by: Mike Lockwood <lockwood@android.com>
This commit is contained in:
Mike Lockwood
2010-06-28 09:58:58 -04:00
parent 9005e7f429
commit 709981eeed
2 changed files with 41 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
core/java/android/hardware/Usb.java
View File

@@ -39,6 +39,27 @@ public class Usb {
public static final String ACTION_USB_DISCONNECTED =
"android.hardware.action.USB_DISCONNECTED";
/**
* Broadcast Action: A sticky broadcast for USB state change events.
*
* This is a sticky broadcast for clients that are interested in both USB connect and
* disconnect events. If you are only concerned with one or the other, you can use
* {@link #ACTION_USB_CONNECTED} or {@link #ACTION_USB_DISCONNECTED} to avoid receiving
* unnecessary broadcasts. The boolean {@link #USB_CONNECTED} extra indicates whether
* USB is connected or disconnected.
* The extras bundle will also contain name/value pairs with the name of the function
* and a value of either {@link #USB_FUNCTION_ENABLED} or {@link #USB_FUNCTION_DISABLED}.
* Possible USB function names include {@link #USB_FUNCTION_MASS_STORAGE},
* {@link #USB_FUNCTION_ADB}, {@link #USB_FUNCTION_RNDIS} and {@link #USB_FUNCTION_MTP}.
*/
public static final String ACTION_USB_STATE =
"android.hardware.action.USB_STATE";
/**
* Boolean extra indicating whether USB is connected or disconnected.
* Used in extras for the {@link #ACTION_USB_STATE} broadcast.
*/
public static final String USB_CONNECTED = "connected";
/**
* Name of the USB mass storage USB function.