获取已经链接蓝牙IP

 

package com.example.adnroidtest;

import java.util.Iterator;
import java.util.Set;

import android.app.Activity;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

public class MainActivity extends Activity {

private Button button;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
button=(Button) this.findViewById(R.id.button1);
button.setOnClickListener(new MyButton());
}

class MyButton implements View.OnClickListener{

@Override
public void onClick(View v) {
BluetoothAdapter adapeter=BluetoothAdapter.getDefaultAdapter();
if(adapeter!=null){
Toast.makeText(MainActivity.this,"手机发现蓝牙",Toast.LENGTH_LONG).show();
if (!adapeter.isEnabled()){
MainActivity.this.startActivity(new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE));
}
Set<BluetoothDevice> device=adapeter.getBondedDevices();
if (device.size()>0){
Iterator iterator=device.iterator();
while (iterator.hasNext()){
BluetoothDevice model= (BluetoothDevice) iterator.next();
Toast.makeText(MainActivity.this,""+model.getAddress(),Toast.LENGTH_LONG).show();
}
}
}else{
Toast.makeText(MainActivity.this,"蓝牙未发现",Toast.LENGTH_LONG).show();
}
}
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}

}