从ListView中选择一个蓝牙设备并打开一个新的意图(Android)

从ListView中选择一个蓝牙设备并打开一个新的意图(Android),android,listview,android-intent,bluetooth,Android,Listview,Android Intent,Bluetooth,我正在做一个Android应用程序,它打开蓝牙并显示配对设备。 配对的设备显示在列表视图中,但我还想单击一个特定的蓝牙设备(我们称之为BTDEVICE03),如果该设备与名称BTDEVICE03匹配,则打开一个新的意图 这可行吗?代码如下: package com.example.homie; import java.util.ArrayList; import java.util.Set; import android.os.Bundle; import android.app.Activ

我正在做一个Android应用程序,它打开蓝牙并显示配对设备。 配对的设备显示在列表视图中,但我还想单击一个特定的蓝牙设备(我们称之为BTDEVICE03),如果该设备与名称BTDEVICE03匹配,则打开一个新的意图

这可行吗?代码如下:

package com.example.homie;

import java.util.ArrayList;
import java.util.Set;

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

public class MainActivity extends Activity {

   private Button On,Off,Visible,list;
   private BluetoothAdapter BA;
   private Set<BluetoothDevice>pairedDevices;
   private ListView lv;
   @Override
   protected void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.activity_main);
      On = (Button)findViewById(R.id.button1);
      Off = (Button)findViewById(R.id.button2);
      Visible = (Button)findViewById(R.id.button3);
      list = (Button)findViewById(R.id.button4);

      lv = (ListView)findViewById(R.id.listView1);

      BA = BluetoothAdapter.getDefaultAdapter();
   }



   public void on(View view){
      if (!BA.isEnabled()) {
         Intent turnOn = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
         startActivityForResult(turnOn, 0);
         Toast.makeText(getApplicationContext(),"Turned on" 
         ,Toast.LENGTH_LONG).show();
      }
      else{
         Toast.makeText(getApplicationContext(),"Already on",
         Toast.LENGTH_LONG).show();
         }
   }
   public void list(View view){
      pairedDevices = BA.getBondedDevices();

      ArrayList<String> list = new ArrayList<String>();
      for(BluetoothDevice bt : pairedDevices)
         list.add(bt.getName());

      Toast.makeText(getApplicationContext(),"Showing Paired Devices",
      Toast.LENGTH_SHORT).show();
      final ArrayAdapter<String> adapter = new ArrayAdapter<String>
      (this,android.R.layout.simple_list_item_1, list);
      lv.setAdapter(adapter);




   }
   public void off(View view){
      BA.disable();
      Toast.makeText(getApplicationContext(),"Turned off" ,
      Toast.LENGTH_LONG).show();
   }
   public void visible(View view){
      Intent getVisible = new Intent(BluetoothAdapter.
      ACTION_REQUEST_DISCOVERABLE);
      startActivityForResult(getVisible, 0);

   }
   @Override
   public boolean onCreateOptionsMenu(Menu menu) {
      getMenuInflater().inflate(R.menu.main, menu);
      return true;
   }

}
package com.example.homie;
导入java.util.ArrayList;
导入java.util.Set;
导入android.os.Bundle;
导入android.app.Activity;
导入android.bluetooth.BluetoothAdapter;
导入android.bluetooth.bluetooth设备;
导入android.content.Intent;
导入android.view.Menu;
导入android.view.view;
导入android.widget.AdapterView;
导入android.widget.AdapterView.OnItemClickListener;
导入android.widget.ArrayAdapter;
导入android.widget.Button;
导入android.widget.ListView;
导入android.widget.Toast;
公共类MainActivity扩展了活动{
专用按钮打开、关闭、可见、列表;
私人蓝牙适配器BA;
私有设置对设备;
私有ListView lv;
@凌驾
创建时受保护的void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
On=(按钮)findViewById(R.id.button1);
Off=(按钮)findViewById(R.id.button2);
可见=(按钮)findViewById(R.id.button3);
列表=(按钮)findViewById(R.id.button4);
lv=(ListView)findViewById(R.id.listView1);
BA=BluetoothAdapter.getDefaultAdapter();
}
上的公共无效(视图){
如果(!BA.isEnabled()){
意向开启=新意向(BluetoothAdapter.ACTION\u REQUEST\u ENABLE);
startActivityForResult(打开,0);
Toast.makeText(getApplicationContext(),“已打开”
,Toast.LENGTH_LONG)show();
}
否则{
Toast.makeText(getApplicationContext(),“已打开”,
Toast.LENGTH_LONG).show();
}
}
公共作废列表(视图){
pairedDevices=BA.getBondedDevices();
ArrayList=新建ArrayList();
用于(蓝牙设备bt:pairedDevices)
list.add(bt.getName());
Toast.makeText(getApplicationContext(),“显示配对设备”,
吐司。长度(短)。show();
最终ArrayAdapter适配器=新的ArrayAdapter
(这是android.R.layout.simple_list_item_1,list);
低压设置适配器(适配器);
}
公共作废关闭(视图){
BA.disable();
Toast.makeText(getApplicationContext(),“已关闭”,
Toast.LENGTH_LONG).show();
}
公共空间可见(视图){
Intent getVisible=新Intent(蓝牙适配器)。
行动(请求)(可发现);;
startActivityForResult(getVisible,0);
}
@凌驾
公共布尔onCreateOptions菜单(菜单){
getMenuInflater().充气(R.menu.main,menu);
返回true;
}
}

您必须添加一个onClickListener,以便在单击项目时执行操作。然后,您必须比较并开始意图

public void list(View view){
    pairedDevices = BA.getBondedDevices();

    ArrayList<String> list = new ArrayList<String>();
    for(BluetoothDevice bt : pairedDevices)
       list.add(bt.getName());

    Toast.makeText(getApplicationContext(),"Showing Paired Devices",
    Toast.LENGTH_SHORT).show();
    final ArrayAdapter<String> adapter = new ArrayAdapter<String>
    (this,android.R.layout.simple_list_item_1, list);
    lv.setAdapter(adapter);
    lv.setOnItemClickListener(new OnItemClickListener() {
      @Override
      public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
        if (list.get(position).equals("BTDEVICE03") {
            Intent intent = new Intent(this, YourClassHere.class);
            startActivity(intent);
        }
    });
}
公共作废列表(查看){
pairedDevices=BA.getBondedDevices();
ArrayList=新建ArrayList();
用于(蓝牙设备bt:pairedDevices)
list.add(bt.getName());
Toast.makeText(getApplicationContext(),“显示配对设备”,
吐司。长度(短)。show();
最终ArrayAdapter适配器=新的ArrayAdapter
(这是android.R.layout.simple_list_item_1,list);
低压设置适配器(适配器);
lv.setOnItemClickListener(新的OnItemClickListener(){
@凌驾
public void onItemClick(AdapterView父对象、视图、整型位置、长id){
if(list.get(position).equals(“BTDEVICE03”){
意向意向=新意向(this,yourclassehere.class);
星触觉(意向);
}
});
}