Try this:
Intent enableIntent = new
Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
startActivityForResult(enableIntent, REQUEST_ENABLE_BT);
On Apr 7, 11:46 am, NoImJosh <josh.n.willi...@gmail.com> wrote:
> I have been searching for weeks for a way to turn on and off the
> bluetooth for any Android version from 1.5 onward. I know it must be
> possible, since there are widgets in the marketplace that do just
> this, however I have never found any answers to my questions. I do
> know that I can make it work for Android 1.x using reflection. I also
> know it should be possible to use reflection on Android 2.x, but by
> retrieving the methods for a different class since the official
> bluetooth API was added in 2.0. The code I've got so far is:
>
> private static void BT_Enable(Context context, boolean enable){
> String V = android.os.Build.VERSION.RELEASE;
> int ver = Integer.valueOf(V.substring(0, 1));
> String eMethod = "enable";
> if (!enable) {
> eMethod = "disable";
> }
> try{
> Object manager =
> context.getSystemService("bluetooth");
> Class<?> c = manager.getClass();
> if (ver > 1){c =
> Class.forName("android.bluetooth.BluetoothAdapter");}
> Method method = c.getMethod(eMethod);
> method.setAccessible(true);
> method.invoke(manager);
> }
> catch (Exception e){
> Toast.makeText(context, "Error: " + e, 1).show();
> }
> }
>
> One of the issues that exists in 2.x is that the call
> getSystemService("bluetooth") returns null, so to obtain the
> appropriate class I've added the following:
>
> if (ver > 1){c =
> Class.forName("android.bluetooth.BluetoothAdapter");}
>
> however, since there is no system Bluetooth service, there is no
> receiver object to invoke to, causing a failure. Any help is greatly
> appreciated.
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