How to get the bluetooth devices as a list

Question

I am trying to get my bonded bluetooth devices but I can get it as a long string instead of list   This is my code   BluetoothAdapter mBluetoothAdapter   BluetoothAdapter getDefaultAdapter    Set lt BluetoothDevice gt  pairedDevices   mBluetoothAdapter getBondedDevices    ArrayList lt String gt  listview    new ArrayList lt String gt  Arrays asList pairedDevices toString      setListAdapter new ArrayAdapter lt String gt  this  R layout list  listview      I am getting something like this   00 23 7F 1c  f0 09 f1 b4 b0   And its all in one line  How can I change it to be in a list and not all in one line   Also  how can I get the friendly names of the devices and not these numbers   Thanks

User · Answer

package com sekurtrack myapplication   import android bluetooth BluetoothAdapter  import android bluetooth BluetoothDevice  import android content BroadcastReceiver  import android content Context  import android content Intent  import android content IntentFilter  import android support v7 app AppCompatActivity  import android os Bundle  import android util Log  import android widget ArrayAdapter  import android widget ListView  import android widget Toast   import java util ArrayList  import java util Set   public class MainActivity extends AppCompatActivity       ListView listView      private BluetoothAdapter BA      private ArrayList lt String gt  mDeviceList   new ArrayList lt String gt         private Set lt BluetoothDevice gt  pairedDevices       Override     protected void onCreate Bundle savedInstanceState            super onCreate savedInstanceState           setContentView R layout activity main           listView  ListView findViewById R id devicesList              BA   BluetoothAdapter getDefaultAdapter            BA startDiscovery            IntentFilter filter   new IntentFilter BluetoothDevice ACTION FOUND           registerReceiver mReceiver  filter              BA   BluetoothAdapter getDefaultAdapter            pairedDevices   BA getBondedDevices            ArrayList list   new ArrayList            for BluetoothDevice bt   pairedDevices  list add bt getName             Toast makeText getApplicationContext     Showing Paired Devices  Toast LENGTH SHORT  show            final ArrayAdapter adapter   new ArrayAdapter this android R layout simple list item 1  list           listView setAdapter adapter                   Override     protected void onDestroy             unregisterReceiver mReceiver           super onDestroy               private final BroadcastReceiver mReceiver   new BroadcastReceiver             public void onReceive Context context  Intent intent                String action   intent getAction                if  BluetoothDevice ACTION FOUND equals action                     BluetoothDevice device   intent                          getParcelableExtra BluetoothDevice EXTRA DEVICE                   mDeviceList add device getName       n    device getAddress                     Log i  BT1   device getName       n    device getAddress                     listView setAdapter new ArrayAdapter lt String gt  context                          android R layout simple list item 1  mDeviceList

User · Answer

In this code you just need to call this in your button click   private void list paired Devices             Set lt BluetoothDevice gt  pairedDevices   mBluetoothAdapter getBondedDevices            ArrayList lt String gt  devices   new ArrayList lt  gt             for  BluetoothDevice bt   pairedDevices                devices add bt getName       n    bt getAddress                       ArrayAdapter arrayAdapter   new ArrayAdapter bluetooth this  android R layout simple list item 1  devices           emp setAdapter arrayAdapter

User · Answer

I tried the below code   main xml   lt  xml version  1 0  encoding  utf-8   gt   lt LinearLayout xmlns android  http   schemas android com apk res android      android orientation  vertical      android layout width  fill parent      android layout height  fill parent       gt   lt TextView       android layout width  fill parent       android layout height  wrap content       android text   string hello        gt   lt TextView      android id    id bluetoothstate       android layout width  fill parent       android layout height  wrap content         gt   lt Button     android id    id listpaireddevices       android layout width  fill parent       android layout height  wrap content      android text  List Paired Devices       android enabled  false        gt    lt TextView     android id    id bluetoothstate       android layout width  fill parent       android layout height  wrap content         gt      ListPairedDevicesActivity java  import java util Set   import android app ListActivity  import android bluetooth BluetoothAdapter  import android bluetooth BluetoothClass  import android bluetooth BluetoothDevice  import android content Intent  import android os Bundle  import android view View  import android widget ArrayAdapter  import android widget ListView   public class ListPairedDevicesActivity extends ListActivity      Override  protected void onCreate Bundle savedInstanceState         TODO Auto-generated method stub   super onCreate savedInstanceState      ArrayAdapter lt String gt  btArrayAdapter        new ArrayAdapter lt String gt  this               android R layout simple list item 1      BluetoothAdapter bluetoothAdapter       BluetoothAdapter getDefaultAdapter      Set lt BluetoothDevice gt  pairedDevices       bluetoothAdapter getBondedDevices       if  pairedDevices size    gt  0          for  BluetoothDevice device   pairedDevices           String deviceBTName   device getName           String deviceBTMajorClass            getBTMajorDeviceClass device            getBluetoothClass              getMajorDeviceClass            btArrayAdapter add deviceBTName     n              deviceBTMajorClass                 setListAdapter btArrayAdapter         private String getBTMajorDeviceClass int major     switch major      case BluetoothClass Device Major AUDIO VIDEO     return  AUDIO VIDEO     case BluetoothClass Device Major COMPUTER     return  COMPUTER     case BluetoothClass Device Major HEALTH     return  HEALTH     case BluetoothClass Device Major IMAGING     return  IMAGING      case BluetoothClass Device Major MISC     return  MISC     case BluetoothClass Device Major NETWORKING     return  NETWORKING      case BluetoothClass Device Major PERIPHERAL     return  PERIPHERAL     case BluetoothClass Device Major PHONE     return  PHONE     case BluetoothClass Device Major TOY     return  TOY     case BluetoothClass Device Major UNCATEGORIZED     return  UNCATEGORIZED     case BluetoothClass Device Major WEARABLE     return  AUDIO VIDEO     default  return  unknown              Override  protected void onListItemClick ListView l  View v  int position  long id         TODO Auto-generated method stub   super onListItemClick l  v  position  id         Intent intent   new Intent         setResult RESULT OK  intent        finish            AndroidBluetooth java  import android app Activity  import android bluetooth BluetoothAdapter  import android content Intent  import android os Bundle  import android view View  import android widget Button  import android widget TextView   public class AndroidBluetooth extends Activity     private static final int REQUEST ENABLE BT   1   private static final int REQUEST PAIRED DEVICE   2           Called when the activity is first created      Button btnListPairedDevices   TextView stateBluetooth   BluetoothAdapter bluetoothAdapter        Override     public void onCreate Bundle savedInstanceState            super onCreate savedInstanceState           setContentView R layout main            btnListPairedDevices    Button findViewById R id listpaireddevices            stateBluetooth    TextView findViewById R id bluetoothstate           bluetoothAdapter   BluetoothAdapter getDefaultAdapter             CheckBlueToothState             btnListPairedDevices setOnClickListener btnListPairedDevicesOnClickListener              private void CheckBlueToothState         if  bluetoothAdapter    null            stateBluetooth setText  Bluetooth NOT support             else           if  bluetoothAdapter isEnabled               if bluetoothAdapter isDiscovering                stateBluetooth setText  Bluetooth is currently in device discovery process                else             stateBluetooth setText  Bluetooth is Enabled                btnListPairedDevices setEnabled true                         else            stateBluetooth setText  Bluetooth is NOT Enabled               Intent enableBtIntent   new Intent BluetoothAdapter ACTION REQUEST ENABLE                startActivityForResult enableBtIntent  REQUEST ENABLE BT                                   private Button OnClickListener btnListPairedDevicesOnClickListener       new Button OnClickListener        Override   public void onClick View arg0          TODO Auto-generated method stub    Intent intent   new Intent       intent setClass AndroidBluetooth this  ListPairedDevicesActivity class      startActivityForResult intent  REQUEST PAIRED DEVICE             Override  protected void onActivityResult int requestCode  int resultCode  Intent data         TODO Auto-generated method stub   if requestCode    REQUEST ENABLE BT      CheckBlueToothState       if  requestCode    REQUEST PAIRED DEVICE      if resultCode    RESULT OK                        AndroidManifest xml    lt  xml version  1 0  encoding  utf-8   gt   lt manifest xmlns android  http   schemas android com apk res android        package  com test AndroidBluetooth        android versionCode  1        android versionName  1 0  gt       lt uses-sdk android minSdkVersion  7    gt       lt uses-permission android name  android permission BLUETOOTH  gt  lt  uses-permission gt        lt application android icon   drawable icon  android label   string app name  gt           lt activity android name   AndroidBluetooth                    android label   string app name  gt               lt intent-filter gt                   lt action android name  android intent action MAIN    gt                   lt category android name  android intent category LAUNCHER    gt               lt  intent-filter gt           lt  activity gt     lt activity android name   ListPairedDevicesActivity         android label  AndroidBluetooth  List of Paired Devices   gt       lt  application gt   lt  manifest gt

User · Answer

Find list of Nearby Bluetooth Devices   Find Screenshot for the same     MainActivity java   public class MainActivity extends ActionBarActivity        private ListView listView      private ArrayList lt String gt  mDeviceList   new ArrayList lt String gt         private BluetoothAdapter mBluetoothAdapter        Override     protected void onCreate Bundle savedInstanceState            super onCreate savedInstanceState           setContentView R layout activity main            listView    ListView  findViewById R id listView            mBluetoothAdapter   BluetoothAdapter getDefaultAdapter            mBluetoothAdapter startDiscovery             IntentFilter filter   new IntentFilter BluetoothDevice ACTION FOUND           registerReceiver mReceiver  filter                 Override     protected void onDestroy             unregisterReceiver mReceiver           super onDestroy               private final BroadcastReceiver mReceiver   new BroadcastReceiver             public void onReceive Context context  Intent intent                String action   intent getAction                if  BluetoothDevice ACTION FOUND equals action                     BluetoothDevice device   intent                          getParcelableExtra BluetoothDevice EXTRA DEVICE                   mDeviceList add device getName       n    device getAddress                     Log i  BT   device getName       n    device getAddress                     listView setAdapter new ArrayAdapter lt String gt  context                          android R layout simple list item 1  mDeviceList                                     activity main xml    lt RelativeLayout xmlns android  http   schemas android com apk res android      xmlns tools  http   schemas android com tools      android layout width  match parent      android layout height  match parent      tools context  com example bluetoothdemo MainActivity   gt        lt ListView         android layout width  wrap content          android layout height  wrap content          android id    id listView   gt    lt  RelativeLayout gt    Manifest file    lt  xml version  1 0  encoding  utf-8   gt   lt manifest xmlns android  http   schemas android com apk res android      package  com example bluetoothdemo      android versionCode  1      android versionName  1 0   gt        lt uses-sdk         android minSdkVersion  8          android targetSdkVersion  21    gt        lt uses-permission android name  android permission BLUETOOTH    gt       lt uses-permission android name  android permission BLUETOOTH ADMIN    gt        lt application         android allowBackup  true          android icon   drawable ic launcher          android label   string app name          android theme   style AppTheme   gt           lt activity             android name   MainActivity              android label   string app name   gt               lt intent-filter gt                   lt action android name  android intent action MAIN    gt                    lt category android name  android intent category LAUNCHER    gt               lt  intent-filter gt           lt  activity gt       lt  application gt    lt  manifest gt    Note   Please make sure that you ask Location permission to your user and turn GPS On   Reason  From Android 6 0 you need Location permission for Bluetooth Discovery   More reference     https   developer android com guide topics connectivity bluetooth https   getlief zendesk com hc en-us articles 360007600233-Why-does-Android-require-Location-Permissions-for-Bluetooth-   Done

User · Answer

You should change your code as below   BluetoothAdapter mBluetoothAdapter   BluetoothAdapter getDefaultAdapter    Set lt BluetoothDevice gt  pairedDevices   mBluetoothAdapter getBondedDevices     List lt String gt  s   new ArrayList lt String gt     for BluetoothDevice bt   pairedDevices     s add bt getName      setListAdapter new ArrayAdapter lt String gt  this  R layout list  s

[android] How to get the bluetooth devices as a list?

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