超简单的 BlueTooth 蓝牙开发实例，打开蓝牙，关闭蓝牙，配对，解除，功能齐全

超简单的 BlueTooth 蓝牙开发实例，打开蓝牙，关闭蓝牙，配对，解除，功能齐全

下载demo





布局就不多说了，粘贴过去就能用。

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical" >

<LinearLayout
android:layout_width="match_parent"
android:layout_height="45dp"
android:orientation="horizontal" >

<RelativeLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:gravity="center_vertical"
android:padding="5dp" >

<Button
android:id="@+id/btn_on_off"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/bg_settings_drag_off_new" />
</RelativeLayout>

<Button
android:id="@+id/btn_visible"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="可见"
android:textSize="12sp" />

<Button
android:id="@+id/btn_find"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="查找"
android:textSize="12sp" />

<Button
android:id="@+id/btn_binding"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="已绑定"
android:textSize="12sp" />
</LinearLayout>

<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent" >

<ListView
android:id="@+id/lv_list"
android:layout_width="match_parent"
android:layout_height="wrap_content" />

<ProgressBar
android:id="@+id/progressBar1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_centerHorizontal="true"
android:visibility="gone" />
</RelativeLayout>

</LinearLayout>

代码有注释，附加demo下载后就可以运行看结果，里面的 解除绑定 需要注意下，因为API提供的是隐式方法

其它的看下API都一目了然。

package com.bluetooth.activity;

import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.List;

import android.annotation.SuppressLint;
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.os.Bundle;
import android.view.Gravity;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.Window;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.Toast;

@SuppressLint("NewApi")
public class MainActivity extends Activity implements OnClickListener {

private BlueToothController controller = new BlueToothController();
private List<BluetoothDevice> dList = new ArrayList<>();

private DeviceAdapter adapter = null;
private ListView lv = null;
private ProgressBar pb;
private Button btn_OFF_ON;
private Button btnFind;
private Button btnBinding;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.activity_main);
boolean isBool = controller.isSupportBlueTooth();
if (!isBool)
finish();
btn_OFF_ON = (Button) findViewById(R.id.btn_on_off);
btn_OFF_ON.setOnClickListener(this);
findViewById(R.id.btn_visible).setOnClickListener(this);
btnFind = (Button) findViewById(R.id.btn_find);
btnFind.setOnClickListener(this);
btnBinding = (Button) findViewById(R.id.btn_binding);
btnBinding.setOnClickListener(this);
pb = (ProgressBar) findViewById(R.id.progressBar1);

lv = (ListView) findViewById(R.id.lv_list);
adapter = new DeviceAdapter(this, dList);
lv.setAdapter(adapter);

receiver();
}

@Override
protected void onResume() {
// TODO Auto-generated method stub
super.onResume();
boolean isSwitch = controller.getSwitchBlueTooth();
setSwitchBlueTooth(isSwitch);
}

private void setSwitchBlueTooth(boolean isSwitch) {
// TODO Auto-generated method stub
if (isSwitch) {
btn_OFF_ON.setBackgroundResource(R.drawable.bg_settings_drag_on);
} else {
btn_OFF_ON.setBackgroundResource(R.drawable.bg_settings_drag_off_new);
}
}

private void receiver() {
// TODO Auto-generated method stub
IntentFilter filter = new IntentFilter();
filter.addAction(BluetoothAdapter.ACTION_STATE_CHANGED);
// 开始查找
filter.addAction(BluetoothAdapter.ACTION_DISCOVERY_STARTED);
// 结束查找
filter.addAction(BluetoothAdapter.ACTION_DISCOVERY_FINISHED);
// 查找设备
filter.addAction(BluetoothDevice.ACTION_FOUND);
// 设备扫描模式改变
filter.addAction(BluetoothAdapter.ACTION_SCAN_MODE_CHANGED);
// 绑定状态
filter.addAction(BluetoothDevice.ACTION_BOND_STATE_CHANGED);
registerReceiver(receiver, filter);
}

private BroadcastReceiver receiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
int state = intent.getIntExtra(BluetoothAdapter.EXTRA_STATE, -1);
if (state == BluetoothAdapter.STATE_OFF) {
setSwitchBlueTooth(false);
} else if (state == BluetoothAdapter.STATE_ON) {
setSwitchBlueTooth(true);
} else {
String action = intent.getAction();
if (BluetoothAdapter.ACTION_DISCOVERY_STARTED.equals(action)) {// 本地蓝牙适配器已经开始查找远程设备。
showProgressBar(true);
// 初始化数据列表
dList.clear();
adapter.refresh(dList);
} else if (BluetoothAdapter.ACTION_DISCOVERY_FINISHED.equals(action)) {// 蓝牙适配器查找远程设备已经完成。
showProgressBar(false);
} else if (BluetoothDevice.ACTION_FOUND.equals(action)) {// 发现远程设备。
BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);//
// 找到一个，添加一个
dList.add(device);
adapter.refresh(dList);
} else if (BluetoothAdapter.ACTION_SCAN_MODE_CHANGED.equals(action)) {// 蓝牙扫描状态。
int scanMode = intent.getIntExtra(BluetoothAdapter.EXTRA_SCAN_MODE, 0);
if (scanMode == BluetoothAdapter.SCAN_MODE_CONNECTABLE_DISCOVERABLE) {
showProgressBar(true);
} else {
showProgressBar(false);
}
} else if (BluetoothDevice.ACTION_BOND_STATE_CHANGED.equals(action)) {// 一个远程设备状态的变化。
BluetoothDevice remoteDevice = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
if (remoteDevice == null) {
return;
}
int status = intent.getIntExtra(BluetoothDevice.EXTRA_BOND_STATE, 0);
if (status == BluetoothDevice.BOND_BONDED) {
toast("完成配对:" + remoteDevice.getName());
} else if (status == BluetoothDevice.BOND_BONDING) {
toast("正在配对..." + remoteDevice.getName());
} else if (status == BluetoothDevice.BOND_NONE) {
toast("取消配对:" + remoteDevice.getName());
dList.clear();
dList = controller.getBlueToothDeviceList();
adapter.refresh(dList);
}
}
}
}
};

@Override
public void onClick(View v) {
// TODO Auto-generated method stub
switch (v.getId()) {
case R.id.btn_on_off:
boolean isSwitch = controller.getSwitchBlueTooth();
if (!isSwitch) {
controller.trueOnBlueTooth(this);
} else {
controller.trueOffBlueTooth();
setSwitchBlueTooth(false);
dList.clear();
adapter.notifyDataSetChanged();
}
break;
case R.id.btn_visible:// 蓝牙可见
controller.isVisibility(this);
break;
case R.id.btn_find:// 查找设备
adapter.refresh(dList);
controller.findDevice();
itemListener(true);
break;
case R.id.btn_binding:// 获取绑定设备
dList.clear();
dList = controller.getBlueToothDeviceList();
adapter.refresh(dList);
itemListener(false);
break;
default:
break;
}
}

private void itemListener(final boolean bool) {
lv.setOnItemClickListener(new OnItemClickListener() {

@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
try {
BluetoothDevice btDevice = dList.get(position);
if (bool) {
createBond(btDevice.getClass(), btDevice);
} else {
removeBond(btDevice.getClass(), btDevice);
}
} catch (Exception e) {
e.printStackTrace();
}
}
});
}

// 与设备解除配对
public boolean removeBond(Class btClass, BluetoothDevice btDevice) throws Exception {
Method removeBondMethod = btClass.getMethod("removeBond");
Boolean returnValue = (Boolean) removeBondMethod.invoke(btDevice);
return returnValue.booleanValue();
}

// 与设备配对
public boolean createBond(Class btClass, BluetoothDevice btDevice) throws Exception {
Method createBondMethod = btClass.getMethod("createBond");
Boolean returnValue = (Boolean) createBondMethod.invoke(btDevice);
return returnValue.booleanValue();
}

private void showProgressBar(boolean bool) {
if (bool) {
pb.setVisibility(View.VISIBLE);
} else {
pb.setVisibility(View.GONE);
}
}

private void toast(String texts) {
Toast toast = new Toast(this);
toast.setDuration(Toast.LENGTH_SHORT);
//设置toast的位置,参数依次为对齐方式,x,y的偏移值
toast.setGravity(Gravity.CENTER, 0, 0);
//设置一个线性布局,图片和一个TextView
LinearLayout line = new LinearLayout(this);
ImageView img = new ImageView(getApplicationContext());
img.setImageResource(R.drawable.lilv_rate);
//设置imageview的内边距,参数依次为左上右下,这里的话可以理解为添加空白5px
img.setPadding(0, 0, 5, 0);
line.addView(img);

TextView text = new TextView(getApplicationContext());
text.setText(texts);
line.addView(text);
toast.setView(line);
toast.show();
}

@Override
protected void onDestroy() {
// TODO Auto-generated method stub
super.onDestroy();
unregisterReceiver(receiver);
}

}

下载demo