public class DeviceControlActivity extends Activity implements View.OnClickListener,SeekBar.OnSeekBarChangeListener{

 private SeekBar mSeekBar;
 private TextView mLowTempTextView;
 private TextView mMiddleTempTextView;
 private TextView mHighTempTextView;
 private Button mSwitchButton;

 private int mSwitchButtonStatus =0;

 @Override
 protected void onCreate(@Nullable Bundle savedInstanceState) {
 super.onCreate(savedInstanceState);

 setContentView(R.layout.device_control_layout);
 initView();
 intiData();
 initEvent();

 }


 private void initView(){

 mSeekBar=findViewById(R.id.id_seek_bar);

 }

 private void initEvent(){

 mSeekBar.setOnSeekBarChangeListener(this);
 setSeekBarClickable(0);//先禁用seekBar

 }

 @Override
 public void onClick(View view) {
 switch (view.getId()){

  case R.id.id_device_control_switch_button:

  if (mSwitchButtonStatus ==1){
   mSwitchButton.setBackgroundResource(R.drawable.switch_button_off_img);
   mSwitchButtonStatus =0;
   sendAt("AT+IO1=L");
   setSeekBarClickable(mSwitchButtonStatus);//禁用
  }else {
   mSwitchButton.setBackgroundResource(R.drawable.switch_button_on_img);
   mSwitchButtonStatus =1;
   sendAt("AT+IO1=H");
   setSeekBarClickable(mSwitchButtonStatus);//啟用
  }
  break;

 }

 }

 private void setSeekBarClickable(int i){
 if (i==1){
  //啟用狀態(tài)
  mSeekBar.setClickable(true);
  mSeekBar.setEnabled(true);
  mSeekBar.setSelected(true);
  mSeekBar.setFocusable(true);
  Drawable drawable=getResources().getDrawable(R.drawable.yellow_mid_img_40);
  mSeekBar.setThumb(drawable);
  mSeekBar.setProgress(50);

 }else {
  //禁用狀態(tài)
  mSeekBar.setClickable(false);
  mSeekBar.setEnabled(false);
  mSeekBar.setSelected(false);
  mSeekBar.setFocusable(false);
  Drawable drawable=getResources().getDrawable(R.drawable.seek_bar_grey_img_40);
  mSeekBar.setThumb(drawable);
  mSeekBar.setProgress(50);

 }
 }
}