android BlueTooth蓝牙

阅读更多 MainActivity.java
package com.blueTooth;import java.util.ArrayList;import java.util.List;import android.app.Activity;import android.bluetooth.BluetoothAdapter;import android.bluetooth.BluetoothDevice;import android.bluetooth.BluetoothSocket;import android.content.BroadcastReceiver;import android.content.Context;import android.content.Intent;import android.content.IntentFilter;import android.os.Bundle;import android.view.Menu;import android.widget.CheckBox;import android.widget.CompoundButton;import android.widget.CompoundButton.OnCheckedChangeListener;import android.widget.TextView;import android.widget.Toast;import com.blueTooth.R.id;public class MainActivity extends Activity {List devices=new ArrayList();BluetoothDevice device;BluetoothAdapter adapter;private CheckBox checkBox;private TextView textView;    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);                checkBox=(CheckBox) findViewById(R.id.checkBox1);        textView=(TextView) findViewById(id.textView1);                adapter=BluetoothAdapter.getDefaultAdapter();                if(adapter==null){        checkBox.setEnabled(false);        checkBox.setChecked(false);                textView.setText("本地无蓝牙设备");        }else{        checkBox.setOnCheckedChangeListener(new OnCheckedChangeListener() {@Overridepublic void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {// TODO Auto-generated method stubif(isChecked==false){adapter.disable();textView.setText("未打开蓝牙");}else{adapter.enable();IntentFilter findintent=new IntentFilter(BluetoothDevice.ACTION_FOUND);registerReceiver(finreciver,findintent);adapter.startDiscovery();if(devices.size()>0){textView.setText("列表有数据");}else{textView.setText("未发现远程蓝牙设备(列表为空)");}}}});        }            }        private BroadcastReceiver finreciver=new BroadcastReceiver() {@Overridepublic void onReceive(Context context, Intent intent) {// TODO Auto-generated method stubString action=intent.getAction();if(action.equals(BluetoothDevice.ACTION_FOUND)){BluetoothDevice device=intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);devices.add(device);}else if(action.equals(BluetoothAdapter.ACTION_DISCOVERY_FINISHED)){Toast.makeText(MainActivity.this, "搜索完成",Toast.LENGTH_SHORT).show();System.out.println("搜索完成");}}};}
activity_main.xml
AndroidManifest.xml
com.blueTooth.rar (688.3 KB)
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