const main = plus.android.runtimeMainActivity();  
const IntentFilter = plus.android.importClass('android.content.IntentFilter');  
const BluetoothAdapter = plus.android.importClass("android.bluetooth.BluetoothAdapter");  
const BluetoothDevice = plus.android.importClass("android.bluetooth.BluetoothDevice");

export function searchBDevices () {
	const BAdapter = BluetoothAdapter.getDefaultAdapter();
	const filter = new IntentFilter();  
	const bdevice = new BluetoothDevice();
	
	BAdapter.startDiscovery();
	
	const receiver = plus.android.implements('io.dcloud.android.content.BroadcastReceiver', {
		onReceive: function (context, intent) {
			plus.android.importClass(intent);
			const isFinished = intent.getAction() == "android.bluetooth.adapter.action.DISCOVERY_FINISHED";
			if(isFinished) {
				console.log('扫描结束', context);
			}
		}
	})
	
	filter.addAction(bdevice.ACTION_FOUND);  
	filter.addAction(BAdapter.ACTION_DISCOVERY_STARTED);  
	filter.addAction(BAdapter.ACTION_DISCOVERY_FINISHED);  
	filter.addAction(BAdapter.ACTION_STATE_CHANGED);  
	
	main.registerReceiver(receiver, filter); //注册监听 
}