View--switch

[android]代码库

判断状态用 isChecked()
 if(switch1.isChecked())
         { Toast.makeText(getApplicationContext(), "蓝牙已经打开了",Toast.LENGTH_LONG).show();}
        else
         {
             Toast.makeText(getApplicationContext(), "蓝牙已经关闭了", Toast.LENGTH_LONG).show();
         }