Bluetooth enabled App

Learn about how to enable Bluetooh in App

Author: Ashleshk

bluetooth/MainActivity.java

@@ -0,0 +1,73 @@
+package com.lenovo.bluetooth;
+
+import android.bluetooth.BluetoothAdapter;
+import android.bluetooth.BluetoothDevice;
+import android.content.Intent;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.view.View;
+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 {
+
+    BluetoothAdapter BA;
+    public void bluetoothOff(View view)
+    {
+        BA.disable();
+        if (BA.isEnabled())
+        {
+            Toast.makeText(getApplicationContext(),"BLuetooth coul not be disabled",Toast.LENGTH_SHORT).show();
+
+        }
+        else
+        {
+            Toast.makeText(getApplicationContext(),"BLuetooth is off",Toast.LENGTH_SHORT).show();
+
+        }
+    }
+    public void Finddiscoverabledevices(View view)
+    {
+        Intent i = new Intent(BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE);
+        startActivity(i);
+    }
+
+    public  void ViewpairedDevies(View view)
+    {
+        Set<BluetoothDevice> paireddevices = BA.getBondedDevices();
+        ListView paireddevicesListview = (ListView) findViewById(R.id.paireddevicesListview);
+        ArrayList paireddevicesArraylist = new ArrayList();
+        for(BluetoothDevice bluetoothDevice:paireddevices)
+        {
+            paireddevicesArraylist.add(bluetoothDevice.getName());
+
+        }
+        ArrayAdapter arrayAdapter = new ArrayAdapter(this, android.R.layout.simple_list_item_1,paireddevicesArraylist);
+        paireddevicesListview.setAdapter(arrayAdapter);
+    }
+    @Override
+
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+
+        if(BA.isEnabled())
+        {
+            Toast.makeText(getApplicationContext(),"Bluetooth is on",Toast.LENGTH_LONG).show();
+        }
+        else {
+            Intent i =new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
+            startActivity(i);
+            if(BA.isEnabled())
+            {
+                Toast.makeText(getApplicationContext(),"Bluetooth is turned on",Toast.LENGTH_LONG).show();
+            }
+
+        }
+    }
+
+}