BLUETOOTH DEMO IN ANDROID

JAVA FILE CODE IN ANDROID TO CREATE BLUETOOTH APPLICATION:-


import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.app.Activity;
import android.bluetooth.BluetoothAdapter;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends Activity {
      private static final int REQUEST_ENABLE_BT = 0;
        private static final int REQUEST_DISCOVERABLE_BT = 0;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    final TextView out=(TextView)findViewById(R.id.out);
    final Button button = (Button) findViewById(R.id.button1);
    final Button button1 = (Button) findViewById(R.id.button2);
    final Button button2 = (Button) findViewById(R.id.button3);
    final BluetoothAdapter mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
    if (mBluetoothAdapter == null) {
       out.append("device not supported");
    }
    button.setOnClickListener(new View.OnClickListener() {
        public void onClick(View v) {
            if (!mBluetoothAdapter.isEnabled()) {
                Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
                startActivityForResult(enableBtIntent, REQUEST_ENABLE_BT);
            }
        }
    });
    button1.setOnClickListener(new View.OnClickListener() {
     public void onClick(View arg0) {
            if (!mBluetoothAdapter.isDiscovering()) {
//                   out.append("MAKING YOUR DEVICE DISCOVERABLE");
                   Context context = getApplicationContext();
                   CharSequence text = "MAKING YOUR DEVICE DISCOVERABLE";
                   int duration = Toast.LENGTH_SHORT;

                   Toast toast = Toast.makeText(context, text, duration);
                   toast.show();
                Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE);
                startActivityForResult(enableBtIntent, REQUEST_DISCOVERABLE_BT);
                
            }
        }
    });
    button2.setOnClickListener(new View.OnClickListener() {
        public void onClick(View arg0) { 
            mBluetoothAdapter.disable();
//            out.append("TURN_OFF BLUETOOTH");
            Context context = getApplicationContext();
               CharSequence text = "TURNING_OFF BLUETOOTH";
               int duration = Toast.LENGTH_LONG;
               Toast toast = Toast.makeText(context, text, 15);
               toast.show();
            }
    });
}

}


XML FILE CODE :-


<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"
    android:background="@drawable/ic_launcher"
    tools:context=".MainActivity" >

<TextView android:text="" android:id="@+id/out" android:layout_width="wrap_content" android:layout_height="wrap_content"></TextView>
    <Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_alignParentTop="true"
        android:layout_marginLeft="30dp"
        android:layout_marginTop="49dp"
        android:text="TURN_ON" />

    <Button
        android:id="@+id/button2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignLeft="@+id/button1"
        android:layout_below="@+id/button1"
        android:layout_marginTop="27dp"
        android:text="DISCOVERABLE" />

    <Button
        android:id="@+id/button3"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignLeft="@+id/button2"
        android:layout_below="@+id/button2"
        android:layout_marginTop="28dp"
        android:text="TURN_OFF" />

</RelativeLayout>


MANIFEST FILE CODE:-


<?xml version="1.0" encoding="utf-8"?>
<manifest package="com.example.bluetooth"
    android:versionCode="1"
    android:versionName="1.0" xmlns:android="http://schemas.android.com/apk/res/android">

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="16" />
<uses-permission android:name="android.permission.BLUETOOTH" />
<uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="com.example.bluetooth.MainActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>


RUN AND ENJOY THE APPS

THANKS.