check Adapter State On - Android android.bluetooth

Android examples for android.bluetooth:BluetoothAdapter

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Description

check Adapter State On

Demo Code

import android.bluetooth.BluetoothAdapter;
import android.util.SparseArray;
import java.util.Arrays;
import java.util.Iterator;
import java.util.Map;
import java.util.Objects;
import java.util.Set;

public class Main{

    /**//from w w w  .j a  v  a2  s.  co m
     * Ensure Bluetooth is turned on.
     *
     * @throws IllegalStateException If {@code adapter} is null or Bluetooth state is not
     *             {@link android.bluetooth.BluetoothAdapter#STATE_ON}.
     */
    public static void checkAdapterStateOn(BluetoothAdapter adapter) {
        if (adapter == null
                || adapter.getState() != BluetoothAdapter.STATE_ON) {
            throw new IllegalStateException("BT Adapter is not turned ON");
        }
    }

}

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