Android connect to bluetooth programmatically

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Java

Mobile

Android

Hi All,

I have this code to connect bluetooth programmatically, but whenever i click it and open the bluetooth the app stopped unexpectedly. This is my code. Thanks!

if (mBluetoothAdapter == null) {
			// prepare the alert box                  
            AlertDialog.Builder alertbox = new AlertDialog.Builder(this);
            alertbox.setTitle("Bluetooth permission request");
             
            // set the message to display
            alertbox.setMessage("DO you wish to open your bluetooth?");
                     
            // set a positive/yes button and create a listener                   
            alertbox.setPositiveButton("Yes", new DialogInterface.OnClickListener() {
                 
                // do something when the button is clicked
                public void onClick(DialogInterface arg0, int arg1) {
                    //Toast.makeText(getApplicationContext(), "'Yes' button clicked", Toast.LENGTH_SHORT).show();
                	Intent discoverableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE);
                    discoverableIntent.putExtra(BluetoothAdapter.EXTRA_DISCOVERABLE_DURATION, 300);
                    startActivity(discoverableIntent);
                }
            });