How to control Bluetooth Programmatically ...........!

It is very important many time to control bluetooth programmatically, so i have come with this post"How to control Bluetooth Programmatically ...........!"

let's start.....

Step:1

Enter in app development mode in Android Studio.
if you don't know how to do that then read this post.

Step:2

Now just drag & drop button into virtual mobile screen as shown in figure below.....

Step:3

now just double click on dragged buttons and rename them as "On" and "Off".

Step:4

Now copy & paste following permission into manifest file.

<uses-permission android:name="android.permission.BLUETOOTH"/>
<uses-permission android:name="android.permission.BLUETOOTH_ADMIN"/>

Step:5

just copy and paste following code outside the OnCreate method:

ArrayAdapter<BluetoothDevice> mArrayAdapter;
BluetoothAdapter mbt;
ArrayList<String> arr=new ArrayList<String>();
ArrayList<BluetoothDevice> ar=new ArrayList<BluetoothDevice>();

Now copy and paste following code into OnCreate method:

Button bon=(Button) findViewById(R.id.button);
Button boff=(Button) findViewById(R.id.button2);

final ArrayAdapter<String> obj=new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, arr);
mArrayAdapter =new ArrayAdapter<BluetoothDevice>(this, android.R.layout.simple_list_item_1,ar);
mbt=BluetoothAdapter.getDefaultAdapter();

bon.setOnClickListener(new View.OnClickListener() {
 @Override
 public void onClick(View v) {

 mbt.enable();
 }
});

boff.setOnClickListener(new View.OnClickListener() {
 @Override
 public void onClick(View v) {

 mbt.disable();
 }
});

  

Step:6

Now you can control bluetooth by clicking on button.

For any query please comment below.......!