Android Open Source - Android-BluetoothSPPLibrary Simple Activity

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Back to project page Android-BluetoothSPPLibrary.

License

The source code is released under:

Apache License

Java Source Code

/*
 * Copyright 2014 Akexorcist/*from  ww  w  .j a  va  2 s. 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 app.akexorcist.bluetoothspp;

import android.os.Bundle;
import android.app.Activity;
import android.bluetooth.BluetoothAdapter;
import android.content.Intent;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;
import app.akexorcist.bluetotohspp.library.BluetoothSPP;
import app.akexorcist.bluetotohspp.library.BluetoothState;
import app.akexorcist.bluetotohspp.library.BluetoothSPP.BluetoothConnectionListener;
import app.akexorcist.bluetotohspp.library.BluetoothSPP.OnDataReceivedListener;
import app.akexorcist.bluetotohspp.library.DeviceList;

public class SimpleActivity extends Activity {
  BluetoothSPP bt;
  
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_simple);
    
    bt = new BluetoothSPP(this);

    if(!bt.isBluetoothAvailable()) {
      Toast.makeText(getApplicationContext()
          , "Bluetooth is not available"
          , Toast.LENGTH_SHORT).show();
            finish();
    }
    
    bt.setOnDataReceivedListener(new OnDataReceivedListener() {
      public void onDataReceived(byte[] data, String message) {
        Toast.makeText(SimpleActivity.this, message, Toast.LENGTH_SHORT).show();
      }
    });
    
    bt.setBluetoothConnectionListener(new BluetoothConnectionListener() {
      public void onDeviceConnected(String name, String address) {
        Toast.makeText(getApplicationContext()
            , "Connected to " + name + "\n" + address
            , Toast.LENGTH_SHORT).show();
      }

      public void onDeviceDisconnected() {
        Toast.makeText(getApplicationContext()
            , "Connection lost", Toast.LENGTH_SHORT).show();
      }

      public void onDeviceConnectionFailed() {
        Toast.makeText(getApplicationContext()
            , "Unable to connect", Toast.LENGTH_SHORT).show();
      }
    });
    
    Button btnConnect = (Button)findViewById(R.id.btnConnect);
    btnConnect.setOnClickListener(new OnClickListener(){
          public void onClick(View v){
            if(bt.getServiceState() == BluetoothState.STATE_CONNECTED) {
              bt.disconnect();
            } else {
                    Intent intent = new Intent(getApplicationContext(), DeviceList.class);
                    startActivityForResult(intent, BluetoothState.REQUEST_CONNECT_DEVICE); 
            }
          }
        }); 
  }
  
  public void onDestroy() {
        super.onDestroy();
        bt.stopService();
    }
  
  public void onStart() {
        super.onStart();
        if (!bt.isBluetoothEnabled()) {
          Intent intent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
            startActivityForResult(intent, BluetoothState.REQUEST_ENABLE_BT);
        } else {
            if(!bt.isServiceAvailable()) { 
                bt.setupService();
                bt.startService(BluetoothState.DEVICE_ANDROID);
                setup();
            }
        }
    }
  
  public void setup() {
    Button btnSend = (Button)findViewById(R.id.btnSend);
    btnSend.setOnClickListener(new OnClickListener(){
          public void onClick(View v){
            bt.send("Text", true);
          }
        });
  }
  
  public void onActivityResult(int requestCode, int resultCode, Intent data) {
    if(requestCode == BluetoothState.REQUEST_CONNECT_DEVICE) {
      if(resultCode == Activity.RESULT_OK)
                bt.connect(data);
    } else if(requestCode == BluetoothState.REQUEST_ENABLE_BT) {
            if(resultCode == Activity.RESULT_OK) {
                bt.setupService();
                bt.startService(BluetoothState.DEVICE_ANDROID);
                setup();
            } else {
                Toast.makeText(getApplicationContext()
                    , "Bluetooth was not enabled."
                    , Toast.LENGTH_SHORT).show();
                finish();
            }
        }
    }
}

Java Source Code List

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