Hi Nick,
Thanks for your reply.
To turn on and off bluetooth, I use the following code from Android
source code,
if (!System.putInt(etContentResolver(), System.BLUETOOTH_ON, state))
{
Log.d(LOG_TAG, String.format("set bluetooth state to %d failed",
state));
return -1;
}
String action = state == 1 ?
ENABLED_ACTION : DISABLED_ACTION;
Intent intent = new Intent(action);
//sendBroadcast(intent, BLUETOOTH_PERM);
sendBroadcast(intent);
and it works well, I could see the bt icon on the top the phone. And
the receiver is also from source code, what confuse me is why the
receiver doesn't work while enabling/disabling Bt works well since
they comes from same origination?
Thanks,
Stanley
On Feb 19, 3:44 pm, Nick Pelly <[email protected]> wrote:
> There is no way to turn on and off bluetooth through the official SDK right
> now.
>
> Some apps have found ways to do this using hidden API's, and they are
> going to break when cupcake is released.
>
> Nick
>
> On Wed, Feb 18, 2009 at 10:47 PM, Stanley.lei <[email protected]>
> wrote:
>
> > Hi,
>
> > I wanna write an app to enable and disable the Bluetooth device
> > synchronized. Referring the Android source code, I registered
> > following receiver to receive the bluetooth state change event:
>
> > private static final String EXTENDED_BLUETOOTH_STATE_CHANGED_ACTION =
>
> > "com.android.settings.bluetooth.intent.action.EXTENDED_BLUETOOTH_STATE_CHANGED";
>
> > private final BroadcastReceiver mReceiver = new BroadcastReceiver
> > () {
> > �...@override
> > public void onReceive(Context context, Intent intent) {
> > String action = intent.getAction();
> > if (action.equals
> > (EXTENDED_BLUETOOTH_STATE_CHANGED_ACTION)) {
> > Log.d(LOG_TAG, "bt state changed");
> > ContentResolver resolver = context.getContentResolver
> > ();
>
> > // If bluetooth is currently expected to be on, then
> > enable or disable bluetooth
> > if (Settings.System.getInt(resolver,
> > Settings.System.BLUETOOTH_ON, 0) > 0) {
> > // do sth....
> > } else {
> > // do sth...
> > }
> > }
> > }
> > };
>
> > IntentFilter filter = new IntentFilter(
> > EXTENDED_BLUETOOTH_STATE_CHANGED_ACTION);
> > registerReceiver(mReceiver, filter);
>
> > But it doesn't work. Although the BT status has been changed (the icon
> > of BT has been appeared or disappeared), the receiver could not
> > receive nothing.
>
> > Could you give me any suggestion on this issue? It is tearing out my
> > hair.
>
> > Any reply will be appreciated.
>
> > Thanks,
>
> > Stanley
>
>
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