android蓝牙基础代码,Java代码库,德仔网

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【Java】 android蓝牙基础
作者:wangchenfeng / 发布于2015/2/15/ 558

	package com.blueteeth;
	
	import java.util.ArrayList;
	
	import android.os.Bundle;
	import android.app.Activity;
	import android.bluetooth.BluetoothAdapter;
	import android.bluetooth.BluetoothDevice;
	import android.content.BroadcastReceiver;
	import android.content.Context;
	import android.content.Intent;
	import android.content.IntentFilter;
	import android.util.Log;
	import android.view.Menu;
	
	public class BluetoothActivity extends Activity {
	
	 private final static String TAG = "BluetoothActivity";
	
	 BluetoothAdapter bluetoothAdapter;
	
	 @Override
	 protected void onCreate(Bundle savedInstanceState) {
	 super.onCreate(savedInstanceState);
	 setContentView(R.layout.activity_blueteeth);
	 initBluetooth();
	 enableDiscovery();
	 }
	
	 /**
	 * 初始化，获取蓝牙基础信息
	 */
	 private void initBluetooth(){
	 bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
	 if (bluetoothAdapter.isEnabled()) {
	 String address = bluetoothAdapter.getAddress();
	 String name = bluetoothAdapter.getName();
	 Log.d(TAG,address+":"+name);
	 }else {
	 //启动蓝牙
	 startActivityForResult(new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE), 0);
	 }
	 }
	
	 private void startDiscovery(){
	 if (bluetoothAdapter.isEnabled()) {
	 bluetoothAdapter.startDiscovery();
	 }
	 }
	
	 /**
	 * 蓝牙发现设备，发现结束广播
	 */
	 private BroadcastReceiver discoveryReceiver = new BroadcastReceiver() {
	
	 @Override
	 public void onReceive(Context context, Intent intent) {
	 String dStarted = BluetoothAdapter.ACTION_DISCOVERY_STARTED;
	 String dFinished = BluetoothAdapter.ACTION_DISCOVERY_FINISHED;
	 if (dStarted.equals(intent.getAction())) {
	 //启动发现过程
	 Log.d(TAG, "Discovery started");
	 }else if(dFinished.equals(intent.getAction())){
	 //发现过程完成
	 Log.d(TAG,"Discovery compeleted");
	 }
	 }
	 };
	
	 private void registerDiscovery(){
	 IntentFilter intentFilter = new IntentFilter();
	 intentFilter.addAction(BluetoothAdapter.ACTION_DISCOVERY_STARTED);;
	 intentFilter.addAction(BluetoothAdapter.ACTION_DISCOVERY_FINISHED);;
	 registerReceiver(discoveryReceiver, intentFilter);
	 }
	 //发现蓝牙设备
	 ArrayList<BluetoothDevice> devices = new ArrayList<BluetoothDevice>();
	 private void discoveryDevices(){
	 registerReceiver(discoveryResult, new IntentFilter(BluetoothDevice.ACTION_FOUND));
	 if (bluetoothAdapter.isEnabled()&&!bluetoothAdapter.isDiscovering()) {
	 devices.clear();
	 bluetoothAdapter.startDiscovery();
	 }
	 }
	 BroadcastReceiver discoveryResult = new BroadcastReceiver() {
	
	 @Override
	 public void onReceive(Context context, Intent intent) {
	 String remoteDeviceName = intent.getStringExtra(BluetoothDevice.EXTRA_NAME);
	 BluetoothDevice remoteDevice =
	 intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
	 devices.add(remoteDevice);
	 Log.d(TAG, "Discovered "+remoteDeviceName);
	 }
	 };
	
	
	 private void register(){
	 registerReceiver(bluetoothReceiver,new IntentFilter(BluetoothAdapter.ACTION_STATE_CHANGED));
	 }
	
	 //蓝牙状态改变
	 BroadcastReceiver bluetoothReceiver = new BroadcastReceiver(){
	
	 @Override
	 public void onReceive(Context context, Intent intent) {
	 int state = intent.getIntExtra(BluetoothAdapter.EXTRA_PREVIOUS_STATE, -1);
	 int previousState = intent.getIntExtra(BluetoothAdapter.EXTRA_STATE,-1);
	 String tt = "";
	 switch (state) {
	 case BluetoothAdapter.STATE_TURNING_ON:
	 tt = "Bluetooth turning on";
	 break;
	 case BluetoothAdapter.STATE_ON:
	 tt = "Bluetooth on";
	 break;
	 case BluetoothAdapter.STATE_OFF:
	 tt = "Bluetooth off";
	 break;
	 case BluetoothAdapter.STATE_TURNING_OFF:
	 tt = "Bluetooth turning off";
	 break;
	 default:
	 break;
	 }
	 Log.d(TAG, tt);
	 }
	
	 };
	
	 BroadcastReceiver modeChangedReceiver = new BroadcastReceiver(){
	
	 @Override
	 public void onReceive(Context context, Intent intent) {
	 String previousScanMode = BluetoothAdapter.EXTRA_PREVIOUS_SCAN_MODE;
	 String scanMode = BluetoothAdapter.EXTRA_SCAN_MODE;
	 int currentmode = intent.getIntExtra(previousScanMode, -1);
	 int prevMode = intent.getIntExtra(scanMode, -1);
	 new IntentFilter(BluetoothAdapter.ACTION_SCAN_MODE_CHANGED);
	 }
	
	 };
	
	 //设备的可发现性
	 private void canDiscovery(){
	 int discoveryState = bluetoothAdapter.getScanMode();
	 switch (discoveryState) {
	 case BluetoothAdapter.SCAN_MODE_CONNECTABLE_DISCOVERABLE:
	
	 break;
	 case BluetoothAdapter.SCAN_MODE_CONNECTABLE:
	 break;
	 case BluetoothAdapter.SCAN_MODE_NONE:
	 break;
	 default:
	 break;
	 }
	 }
	 //设置蓝牙可以被发现
	 private void enableDiscovery(){
	 startActivityForResult(new Intent(bluetoothAdapter.ACTION_REQUEST_DISCOVERABLE), 1);
	 }
	
	
	
	 @Override
	 protected void onActivityResult(int requestCode, int resultCode, Intent data) {
	 super.onActivityResult(requestCode, resultCode, data);
	 switch (requestCode) {
	 case 1:
	 if (resultCode==RESULT_CANCELED) {
	 Log.d(TAG, "Bluetooth 不能被发现");
	 }
	 break;
	 default:
	 break;
	 }
	 }
	
	 @Override
	 public boolean onCreateOptionsMenu(Menu menu) {
	 getMenuInflater().inflate(R.menu.blueteeth, menu);
	 return true;
	 }
	
	}
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