实例介绍
【实例简介】
Android 蓝牙开发
Android 打开、搜索、配对、连接、通信
发送文字、传输默认文件
【核心代码】
package hlq.view.activity;
import android.Manifest;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothManager;
import android.bluetooth.BluetoothSocket;
import android.content.Context;
import android.content.Intent;
import android.graphics.Color;
import android.os.Build;
import android.os.Bundle;
import android.support.annotation.RequiresApi;
import android.support.v7.app.AlertDialog;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.TextView;
import android.widget.Toast;
import com.mylhyl.acp.Acp;
import com.mylhyl.acp.AcpListener;
import com.mylhyl.acp.AcpOptions;
import org.greenrobot.eventbus.EventBus;
import org.greenrobot.eventbus.Subscribe;
import org.greenrobot.eventbus.ThreadMode;
import java.io.IOException;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import butterknife.BindView;
import butterknife.ButterKnife;
import butterknife.OnClick;
import hlq.APP;
import hlq.base.activity.BaseActivity;
import hlq.base.bean.BluRxBean;
import hlq.base.constant.BltContant;
import hlq.base.manger.BltManager;
import hlq.bluetooth.R;
import hlq.receivers.BlueToothReceiver;
import hlq.service.BltService;
import hlq.utils.factory.ThreadPoolProxyFactory;
import hlq.widget.TitleBar;
import recycleview.huanglinqing.com.dialogutils.DialogUtils;
/**
* MainACtivity功能
* 1.获取本地蓝牙名称
* 2.搜索蓝牙设备
* 3.蓝牙配对
*/
public class MainActivity extends BaseActivity {
@BindView(R.id.scan)
Button scan;
@BindView(R.id.localblumessage)
TextView localblumessage;
@BindView(R.id.sousuo)
Button sousuo;
@BindView(R.id.bluemessage)
TextView bluemessage;
@BindView(R.id.scanfinnish)
TextView scanfinnish;
@BindView(R.id.listview)
ListView listview;
@BindView(R.id.titlebar)
TitleBar titlebar;
private BluetoothManager bluetoothmanger;
private BluetoothAdapter bluetoothadapter;
private SimpleAdapter adapter;
private List<Map<String, String>> list;
private List<BluetoothDevice> listdevice;
private AlertDialog alertDialog;
private BlueToothReceiver blueToothReceiver = new BlueToothReceiver();
private int connectsuccess = 12;//连接成功
@RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN_MR2)
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
ButterKnife.bind(this);
registerReceiver(blueToothReceiver, blueToothReceiver.makeFilter());
BltManager.getInstance().initBltManager(this);
init();
initblue();
}
@Override
protected int getLayoutId() {
return R.layout.activity_main;
}
/**
* 初始化蓝牙设备
*/
@RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN_MR2)
private void initblue() {
bluetoothmanger = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE);
bluetoothadapter = bluetoothmanger.getAdapter();
if (bluetoothadapter == null) {
Toast.makeText(MainActivity.this, "设备不支持蓝牙", Toast.LENGTH_SHORT).show();
}
}
/**
* 组件初始化
*/
private void init() {
titlebar.setTitle("蓝牙通信");
titlebar.setBackgroundResource(R.color.blue);
titlebar.setImmersive(true);
titlebar.setTitleColor(Color.WHITE);
list = new ArrayList<>();
listdevice = new ArrayList<>();
/**
* listview监听事件 即配对
*/
listview.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, final int position, long id) {
Map<String,String> map;
map = list.get(position);
if (map.get("statue").equals("已配对")) {
alertDialog = DialogUtils.dialogloading(MainActivity.this, "正在连接", false, false);
ThreadPoolProxyFactory.getNormalThreadPoolProxy().execute(new Runnable() {
@Override
public void run() {
connect(listdevice.get(position));
}
});
} else {
try {
//如果想要取消已经配对的设备，只需要将creatBond改为removeBond
Method method = BluetoothDevice.class.getMethod("createBond");
Log.e(getPackageName(), "开始配对");
method.invoke(listdevice.get(position));
} catch (Exception e) {
e.printStackTrace();
}
}
}
});
}
/**
* 开始扫描蓝牙
*/
private void startscan() {
Intent enabler = new Intent(BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE);
startActivity(enabler);
list.clear();
if (adapter != null){
adapter.notifyDataSetChanged();
bluemessage.setText("");
listdevice.clear();
}
/**
* 开启蓝牙服务端
*/
ThreadPoolProxyFactory.getNormalThreadPoolProxy().execute(new Runnable() {
@Override
public void run() {
BltService.getInstance().startBluService();
}
});
Log.d("开始扫描", "开始扫描了");
Acp.getInstance(this).request(new AcpOptions.Builder()
.setPermissions(Manifest.permission.ACCESS_COARSE_LOCATION, Manifest.permission.ACCESS_FINE_LOCATION)
.build(),
new AcpListener() {
@Override
public void onGranted() {
Log.d("来到这里了", "来到这里了......");
if (bluetoothadapter.isDiscovering()) {
bluetoothadapter.cancelDiscovery();
}
bluetoothadapter.startDiscovery();
}
@Override
public void onDenied(List<String> permissions) {
}
});
}
/**
* 判断蓝牙是否开启
*
* @return
*/
public boolean blueisenable() {
if (bluetoothadapter.isEnabled()) {
return true;
} else {
return false;
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (resultCode == RESULT_OK) {
if (requestCode == 1) {
startscan();
}
}
}
@Override
protected void onDestroy() {
super.onDestroy();
unregisterReceiver(blueToothReceiver);
EventBus.getDefault().unregister(this);
}
/**
* 监听事件
*
* @param view
*/
@OnClick({R.id.scan, R.id.sousuo})
public void onViewClicked(View view) {
switch (view.getId()) {
case R.id.scan:
//获取本地蓝牙名称
String name = bluetoothadapter.getName();
//获取本地蓝牙地址
String address = bluetoothadapter.getAddress();
localblumessage.setText("本地蓝牙名称:" name "本地蓝牙地址:" address);
break;
case R.id.sousuo:
if (!blueisenable()) {
Intent enabler = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
startActivityForResult(enabler, 1);
} else {
startscan();
}
break;
}
}
/**
* EventBus 异步
* 1:找到设备
* 2：扫描完成
* 3：开始扫描
* 4.配对成功
* 11:有设备连接进来
* 12:连接成功
*/
@Subscribe(threadMode = ThreadMode.MAIN)
public void onMessageEvent(BluRxBean bluRxBean) {
Intent intent = null;
switch (bluRxBean.getId()) {
case 1:
listdevice.add(bluRxBean.getBluetoothDevice());
// 添加到列表
bluemessage.append(bluRxBean.getBluetoothDevice().getName() ":"
bluRxBean.getBluetoothDevice().getAddress() "\n");
Map<String, String> map = new HashMap<>();
map.put("deviceName", bluRxBean.getBluetoothDevice().getName() ":" bluRxBean.getBluetoothDevice().getAddress());
if (bluRxBean.getBluetoothDevice().getBondState() != BluetoothDevice.BOND_BONDED) {
map.put("statue", "未配对");
} else {
map.put("statue", "已配对");
}
list.add(map);
adapter = new SimpleAdapter(MainActivity.this, list, R.layout.devices,
new String[]{"deviceName", "statue"}, new int[]{R.id.devicename, R.id.statue});
listview.setAdapter(adapter);
break;
case 2:
DialogUtils.dimissloading(alertDialog);
break;
case 3:
alertDialog = DialogUtils.dialogloading(MainActivity.this, "正在扫描", false, false);
break;
case 11:
case 12:
alertDialog.dismiss();
intent = new Intent(MainActivity.this, Tongxun.class);
intent.putExtra("devicename", bluRxBean.getBluetoothDevice().getName());
startActivity(intent);
break;
default:
break;
}
}
/***
* 蓝牙连接代码,项目中连接会使用封装的工具类，在这里提取重写
*/
private void connect(BluetoothDevice bluetoothDevice) {
try {
mBluetoothSocket = bluetoothDevice.createRfcommSocketToServiceRecord(BltContant.SPP_UUID);
if (mBluetoothSocket != null) {
APP.bluetoothSocket = mBluetoothSocket;
if (bluetoothadapter.isDiscovering()) {
bluetoothadapter.cancelDiscovery();
}
if (!mBluetoothSocket.isConnected()) {
mBluetoothSocket.connect();
}
EventBus.getDefault().post(new BluRxBean(connectsuccess, bluetoothDevice));
}
} catch (IOException e) {
e.printStackTrace();
try {
mBluetoothSocket.close();
} catch (IOException e1) {
e1.printStackTrace();
}
}
}
/**
* 配对成功后的蓝牙套接字
*/
private BluetoothSocket mBluetoothSocket;
}
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