android 蓝牙4.0广播功能应用

一、添加蓝牙权限

在AndroidManifest.xml文件中添加如下红色部分代码，添加蓝牙打开权限，以及LE接口调用权限。

二、添加对应的包头以及调用接口，并添加button clock事件开启关闭广播功能。

package com.example.administrator.myapplication;

import android.bluetooth.BluetoothGatt;
import android.support.v7.app.AppCompatActivity;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothManager;
import android.bluetooth.le.BluetoothLeAdvertiser;
import android.bluetooth.le.AdvertiseSettings;
import android.bluetooth.le.AdvertiseData;
import android.bluetooth.le.AdvertiseCallback;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Button enableBt = (Button)findViewById(R.id.button2);
        Button openAdv = (Button)findViewById(R.id.button);

        final BluetoothAdapter BtAdapter = BluetoothAdapter.getDefaultAdapter();
        final BluetoothLeAdvertiser BtAdv = BtAdapter.getBluetoothLeAdvertiser();
        final AdvertiseSettings AdvSetting = new AdvertiseSettings.Builder().build();
        final AdvertiseData AdvData = new AdvertiseData.Builder().build();
        final AdvertiseCallback AdvCBack = new AdvertiseCallback() {
            @Override
            public void onStartSuccess(AdvertiseSettings settingsInEffect) {
                super.onStartSuccess(settingsInEffect);
                Toast.makeText(getApplicationContext(),"start Advertise ok",Toast.LENGTH_SHORT).show();
            }
        };


        enableBt.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {

                if(BtAdapter.isEnabled() == false){
                    BtAdapter.enable();
                    Toast.makeText(getApplicationContext(),"enable bluetooth",Toast.LENGTH_SHORT).show();
                }else{
                    BtAdapter.disable();
                    Toast.makeText(getApplicationContext(),"disable bluetooth",Toast.LENGTH_SHORT).show();
                }
            }
        });
        openAdv.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {

                if(BtAdapter.isEnabled()) {
                    BtAdv.startAdvertising(AdvSetting, AdvData, AdvCBack);
                    Toast.makeText(getApplicationContext(),"start Advertise",Toast.LENGTH_SHORT).show();
                }else{
                    Toast.makeText(getApplicationContext(),"Bluetooth is not enable!",Toast.LENGTH_SHORT).show();
                }
            }
        });
    }

}