Source Code of MainAcivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    final Button b1 = (Button) findViewById(R.id.showstatus);
    final TextView tv1 = (TextView) findViewById(R.id.status);

    b1.setOnClickListener(new View.OnClickListener() {
        public void onClick(View v) {
            s = new StringBuffer();

            s1 = "";
            s2 = "";
            s3 = "";
            final WifiManager wmgr = (WifiManager) getApplicationContext().getSystemService(Context.WIFI_SERVICE);
            internet = wmgr.isWifiEnabled();

            if (internet == true) {
                s1 = "Wifi is On";
            } else {
                s1 = "Wifi is Off";
            }

            s.append(s1);
            final BluetoothAdapter bAdapter = BluetoothAdapter.getDefaultAdapter();
            if (bAdapter == null) {
                s2 = "Bluetooth is supported";
            } else if (!bAdapter.isEnabled()) {
                s2 = "Bluetooth is Off";
            } else if (bAdapter.isEnabled()) {
                s2 = "Bluetooth is On";
            }

            s.append("\n" + s2);

            s3 = "";
            LocationManager lm = (LocationManager) getSystemService(Context. LOCATION_SERVICE ) ;
            boolean gps_enabled = false;
            gps_enabled = lm.isProviderEnabled(LocationManager. GPS_PROVIDER );
            if (gps_enabled == true) {
                s3 = "GPS is On";
            } else {
                s3 = "GPS is Off";
            }
            s.append("\n" + s3);
            tv1.setText(s.toString());
        }
    });
}

Source Code of activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".MainActivity" >


    <Button
        android:id="@+id/showstatus"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="50dp"
        android:text="Show Status" />

    <TextView
        android:id="@+id/status"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="200dp"
        android:text="Will appear here"
        android:textAppearance="@style/TextAppearance.AppCompat.Display1" />

</RelativeLayout>

Permission should be added in AndroidManifest.xml

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

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