[英]Can anyone tell me what went wrong in this code?
我是Android的新手。 我正在嘗試掃描其他藍牙設備。 請指導我,並幫助我找到解決方案。 這是代碼的一部分:
scan_btn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
mBluetoothAdapter.startDiscovery();
mReceiver = new BroadcastReceiver() {
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (BluetoothDevice.ACTION_FOUND.equals(action)) {
BluetoothDevice device = Untent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
mArrayAdapter.add(device.getName() + "\n" + device.getAddress());
}
}
};
IntentFilter filter = new IntentFilter(BluetoothDevice.ACTION_FOUND);
registerReceiver(mReceiver, filter);
}
});
@Override
protected void onDestroy() {
super.onDestroy();
unregisterReceiver(mReceiver);//unregister the receiver
}
您的按鈕是切換按鈕。 確保您的代碼是-
mToggleButton = (ToggleButton) findViewById(R.id.toggleButton);
mToggleButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
}
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