My Application required bluetooth connectivity. And in the first phase I am
trying to open up the standard Activity *"Bluetooth Device Picker"* to help
user scan for new device or chose a device from the list.
The problem is that I am unable to get any working example for the
bluetooth device picker. The task is simple. To start an Activity with
Intent *"android.bluetooth.devicepicker.action.LAUNCH"*
And the device picker is opening without any problem.
But the device picker requires four *extras* and I am unable to figure out
the exact parameters for two of the extras listed below.
.putExtra("android.bluetooth.devicepicker.extra.LAUNCH_PACKAGE","com.extreme.controlcenter"
.putExtra("android.bluetooth.devicepicker.extra.DEVICE_PICKER_LAUNCH_CLASS","com.extreme.controlcenter.WelcomeActivity")
What I thought the parameters should be that
*"android.bluetooth.devicepicker.extra.LAUNCH_PACKAGE"*
should have the name of my package, so I passed that only. That is *
"com.extreme.controlcenter"*
The second should be the name of the component that must receive the
broadcast that is done after a device is selected. Here I tried putting the
name of the class that has the *onReceive()* function.
But the problem is that the onReceive() function is NOT getting called when
a device is picked in device picker!
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
//Device Selected on Device Picker
if("android.bluetooth.devicepicker.action.DEVICE_SELECTED".equals(action)) {
//context.unregisterReceiver(this);
BluetoothDevice device = (BluetoothDevice)
intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
Toast.makeText(context, "device" + device.getAddress(),
Toast.LENGTH_SHORT).show();
String MAC = device.getAddress();
//Log.d("my", MAC);
Intent intent2 = new Intent(WelcomeActivity.this,
ControlActivity.class);
intent2.putExtra(EXTRA_DEVICE_ADDRESS, MAC);
startActivity(intent2);
}
};
I have created an *Intent filter* and registered a receive in the
onCreate() of the main Activity
// Register the BroadcastReceiver
IntentFilter filter = new
IntentFilter("android.bluetooth.devicepicker.action.DEVICE_SELECTED");
registerReceiver(mReceiver, filter);
One thing is that if I don't provide those two extras, the *Broadcast*event is
received successfully. But that code only runs on my TAB, but same
is crashing in cell phone. So I think providing those two extras are
mandatory.
Thanks in Advance !
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