Android Open Source - BT-Connection-Template Connection Info

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License

The source code is released under:

Apache License

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Java Source Code

/*
 * Copyright (C) 2014 Bluetooth Connection Template
 */*from  w w w.ja  va2s . c om*/
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.hardcopy.btctemplate.bluetooth;

import com.hardcopy.btctemplate.utils.Constants;

import android.content.Context;
import android.content.SharedPreferences;

/**
 * Remember connection informations for future use
 */
public class ConnectionInfo {
  
  // Constants
  
  // Instance
  private static ConnectionInfo mInstance = null;
  
  private Context mContext;
  
  // Target device's MAC address
  private String mDeviceAddress = null;
  // Name of the connected device
  private String mDeviceName = null; 
  
  
  private ConnectionInfo(Context c) {
    mContext = c;
    
    SharedPreferences prefs = mContext.getSharedPreferences(Constants.PREFERENCE_NAME, Context.MODE_PRIVATE);
    mDeviceAddress = prefs.getString(Constants.PREFERENCE_CONN_INFO_ADDRESS, null);
    mDeviceName = prefs.getString(Constants.PREFERENCE_CONN_INFO_NAME, null);
  }
  
  /**
   * Single pattern
   */
  public synchronized static ConnectionInfo getInstance(Context c) {
    if(mInstance == null) {
      if(c != null)
        mInstance = new ConnectionInfo(c);
      else
        return null;
    }
    return mInstance;
  }
  
  /**
   * Reset connection info
   */
  public void resetConnectionInfo() {
    mDeviceAddress = null;
    mDeviceName = null;
  }
  
  /**
   * Get saved device name
   * @return  String    device name
   */
  public String getDeviceName() {
    return mDeviceName;
  }
  
  /**
   * Remember device name for future use
   * @param name    device name
   */
  public void setDeviceName(String name) {
    mDeviceName = name;
    
    // At this time, connection is established successfully.
    // Save connection info in shared preference.
    SharedPreferences prefs = mContext.getSharedPreferences(Constants.PREFERENCE_NAME, Context.MODE_PRIVATE);
    SharedPreferences.Editor editor = prefs.edit();
    editor.putString(Constants.PREFERENCE_CONN_INFO_ADDRESS, mDeviceAddress);
    editor.putString(Constants.PREFERENCE_CONN_INFO_NAME, mDeviceName);
    editor.commit();
  }
  
  /**
   * Get device address string
   * @return  String    device address
   */
  public String getDeviceAddress() {
    return mDeviceAddress;
  }
  
  /**
   * Set device address
   * @param address  device address
   */
  public void setDeviceAddress(String address) {
    mDeviceAddress = address;
  }
  
}

Java Source Code List