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POcalling method of one activity from other activity
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  1. POcalling method of one activity from other activity
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    copied!<p>I have two activities Main nd AvaiableDevices in Main activity i have a button btnAdvc in AvailableDevices </p> <pre><code>public class MainActivity extends Activity { Button btnAdvc; Button btnPdvc; Button btnDdvc; Button btnMdvc; public BluetoothAdapter mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter(); public static final int REQUEST_ENABLE_BT = 1; public static UUID MY_UUID=null; public BluetoothServerSocket mmServerSocket; public void onCreate(Bundle savedInstanceState) { try{ super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); MY_UUID= UUID.fromString("00001101-0000-1000-8000-00805F9B34FB"); //Function enbling Bluetooth enableBluetooth(); ///Function to initialize components init(); //Calling AvailableDevices class's method searchDevice to get AvailableDevices btnAdvc.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { call(); } }); }catch(Exception e){Toast.makeText(getApplicationContext(), e.toString(), Toast.LENGTH_LONG).show();} } public void init() { btnAdvc=(Button)findViewById(R.id.btnAdvc); btnPdvc=(Button)findViewById(R.id.btnPdvc); btnDdvc=(Button)findViewById(R.id.btnDdvc); btnMdvc=(Button)findViewById(R.id.btnMdvc); } public void call() { Intent intent=new Intent(this,AvailableDevices.class); startActivity(intent); } } </code></pre> <p>I have a method searchDevices() in AvailableDevices activity </p> <pre><code>public class AvailableDevices extends Activity { public BluetoothAdapter mBluetoothAdapter; public BluetoothDevice device; public ListView lv;//for Available Devices public ArrayList&lt;String&gt; s=new ArrayList&lt;String&gt;(); public HashSet&lt;String&gt; hs = new HashSet&lt;String&gt;(); public ArrayAdapter&lt;String&gt; adapter; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_available_devices); adapter = new ArrayAdapter&lt;String&gt;(this, android.R.layout.simple_list_item_1, s); lv=(ListView)findViewById(R.id.listView1); Intent intent=getIntent(); } public AvailableDevices(BluetoothAdapter bt) { mBluetoothAdapter =bt; } public void searchDevice() { if(mBluetoothAdapter.isEnabled()) { mBluetoothAdapter.startDiscovery(); // Create a BroadcastReceiver for ACTION_FOUND final BroadcastReceiver mReceiver = new BroadcastReceiver() { public void onReceive(Context context, Intent intent) { String action = intent.getAction(); // When discovery finds a device if (BluetoothDevice.ACTION_FOUND.equals(action)) { try{ // Get the BluetoothDevice object from the Intent device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE); // Add the name and address to an array adapter to show in a ListView s.add(device.getName()+ "\n" + "#"+ device.getAddress()); //To avoid duplicate devices put it in to hash set which doesn't allow duplicates hs.addAll(s); //Clear all the devices in String array S s.clear(); //Replace with hash set s.addAll(hs); // lv.setAdapter(adapter); }catch(Exception e){Toast.makeText(getApplicationContext(), e.toString(), Toast.LENGTH_LONG).show();} } lv.setOnItemClickListener(new AdapterView.OnItemClickListener() { //A local bluetooth device to Hold the selected device to connect BluetoothDevice devtoconnect; public void onItemClick(AdapterView&lt;?&gt; parentAdapter, View view, int position, long id) { try{ mBluetoothAdapter.cancelDiscovery(); //A local String array to hold the Name and address of the selected bluetooth device String[] separated = adapter.getItem(position).split("#"); if(mBluetoothAdapter.checkBluetoothAddress(separated[1])==true) { devtoconnect = mBluetoothAdapter.getRemoteDevice(separated[1]); } // Create object of Connect Thread Class to get connection // ConnectThread t1=new ConnectThread(devtoconnect); }catch(Exception e){} }//Closes onItemClick(AdapterView&lt;?&gt; parentAdapter, View view, int position, long id) }); //Closes lv.setOnItemClickListener(new AdapterView.OnItemClickListener() }//Coses function onReceive };//Closes BroadcastReceiver // Register the BroadcastReceiver IntentFilter filter = new IntentFilter(BluetoothDevice.ACTION_FOUND); registerReceiver(mReceiver, filter); // Don't forget to unregister during onDestroy }//if }// function searchDevices } </code></pre> <p>when i click in btnAdvc of main the searchDevices() method of AvailableDevices activity should be called how can i do it?</p>
 

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