我的自定义ListView有三个TextView三个Button和三个Chronometer。情况是我正在正确加载ListView。但是在加载ListView时，我通过检查一个参数来禁用ListView中的某个按钮。到目前为止，ListView正确地显示了它的行。
但是当我滚动ListView时，之前启用的Button正在被禁用。我做错了什么我没有得到可以请指出我的错误或任何建议。
这是我的Adapter类。
public class OrderSmartKitchenAdapter extends BaseAdapter {
private int flagDeliveryComplete = 0;
private int flagPreparationComplete = 0;
private int flagPreparationStarted = 0;
private List<OrderitemdetailsBO> list = new ArrayList<OrderitemdetailsBO();
private int orderStatus;
public OrderSmartKitchenAdapter() {
// TODO Auto-generated constructor stub
}
public void setOrderList(List<OrderitemdetailsBO> orderList) {
this.list = orderList;
}
@Override
public int getCount() {
// TODO Auto-generated method stub
Log.i("OrderItemList Size :-", Integer.toString(list.size()));
return list.size();
}
@Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return null;
}
@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return 0;
}
@Override
public View getView(final int position, View convertView,ViewGroup parent) {
// TODO Auto-generated method stub
final ViewHolder viewHolder ;
if (convertView == null)
{
layoutInflater = LayoutInflater.from(myContext);
convertView = layoutInflater.inflate(R.layout.table_row_view,null);
viewHolder = new ViewHolder();
viewHolder.txtTableNumber = (TextView) convertView.findViewById(R.id.txtTableNumber);
viewHolder.txtMenuItem = (TextView) convertView.findViewById(R.id.txtMenuItem);
viewHolder.txtQuantity = (TextView) convertView.findViewById(R.id.txtQuantity);
viewHolder.txtOrderAcceptanceTime = (TextView) convertView.findViewById(R.id.txtOrderAcceptanceTime);
viewHolder.txtElapsedTimeOfOrderAcceptance = (Chronometer) convertView.findViewById(R.id.txtElapsedTimeOfOrderAcceptance);
viewHolder.btnPreparationStart = (Button) convertView.findViewById(R.id.btnPreparationStart);
viewHolder.btnPreparationStart.setTag(position);
viewHolder.txtElapsedTimeForPreparation = (Chronometer) convertView.findViewById(R.id.txtElapsedTimeForPrepatration);
viewHolder.btnPreparationComplete = (Button) convertView.findViewById(R.id.btnPreparationCompleted);
viewHolder.btnPreparationComplete.setTag(position);
viewHolder.txtElapsedTimeForDeliveryComplete = (Chronometer) convertView.findViewById(R.id.txtElapsedTimeForCompleation);
viewHolder.btnDeliveryComplete = (Button) convertView.findViewById(R.id.btnOrderComplete);
viewHolder.btnDeliveryComplete.setTag(position);
convertView.setTag(viewHolder);
}
else{
viewHolder = (ViewHolder)convertView.getTag();
viewHolder.btnDeliveryComplete.setTag(position);
viewHolder.btnPreparationComplete.setTag(position);
viewHolder.btnPreparationStart.setTag(position);
}
if (list.get(position) != null) {
OrderitemdetailsBO orderitemdetailsBO = new OrderitemdetailsBO();
orderitemdetailsBO = list.get(position);
viewHolder.txtTableNumber.setText(orderitemdetailsBO.getOrderitemid().toString());
viewHolder.txtMenuItem.setText(orderitemdetailsBO.getMenuitemname().toString());
viewHolder.txtQuantity.setText(orderitemdetailsBO.getQuantity().toString());
Log.i("Table Number :-", Long.toString(orderitemdetailsBO.getOrderitemid()));
Log.i("Menu Name :-", orderitemdetailsBO.getMenuitemname().toString());
Log.i("Quantity", orderitemdetailsBO.getQuantity().toString());
Date acceptTime = new Date();
acceptTime = orderitemdetailsBO.getOrderdatetime();
viewHolder.txtOrderAcceptanceTime.setText(DateUtil.getDateAsString(acceptTime,"HH:mm"));
Log.i("Order Accept Time :-", acceptTime.getMinutes() + ":"+ acceptTime.getSeconds());
orderStatus = orderitemdetailsBO.getOrderstatus();
Date preparationStartTime = new Date();
preparationStartTime = orderitemdetailsBO.getPreparationstarttime();
if(preparationStartTime != null)
{
Log.i("OrderSmartKitchenActivity", "2 Order Acceptance Time :-" +
"Menu Item id "+ orderitemdetailsBO.getOrderitemid()
+ " Preparation Start time " + orderitemdetailsBO.getPreparationstarttime()
);
viewHolder.txtElapsedTimeOfOrderAcceptance.stop();
Log.i("Preparation Start Time :-",preparationStartTime.getMinutes() + ":" + preparationStartTime.getSeconds());
viewHolder.txtElapsedTimeOfOrderAcceptance.setText(DateUtil.getDateAsString(preparationStartTime,"MM:ss"));
viewHolder.txtElapsedTimeOfOrderAcceptance.stop();
viewHolder.btnPreparationStart.setEnabled(false);
viewHolder.btnPreparationStart.setClickable(false);
viewHolder.btnPreparationStart.setBackgroundColor(Color.LTGRAY);
}
else
{
Long n = acceptTime.getTime();
Log.i("OrderSmartKitchenActivity", "Order Acceptance Time :-" +
"Menu Item id "+ orderitemdetailsBO.getOrderitemid()
+ " Acceptance time" + Long.toString(n)
+ " Preparation Start time " + orderitemdetailsBO.getPreparationstarttime()
);
// Calculate Time difference
viewHolder.txtElapsedTimeOfOrderAcceptance.setBase(SystemClock.elapsedRealtime() - System.currentTimeMillis() + n);
viewHolder.txtElapsedTimeOfOrderAcceptance.getBase();
viewHolder.txtElapsedTimeOfOrderAcceptance.start();
viewHolder.txtElapsedTimeOfOrderAcceptance.setFormat("%s");
}
viewHolder.btnPreparationStart.setOnClickListener(new OnClickListener() {
@Override
public void onClick(final View v) {
// TODO Auto-generated method stub
if (flagPreparationStarted == 0) {
flagPreparationStarted++;
v.startAnimation(playAnimation());
handler.postDelayed(new Runnable() {
@Override
public void run() {
// TODO Auto-generated method stub
v.clearAnimation();
Date currentTime = new Date();
// Set Preparation Start Time.
viewHolder.txtElapsedTimeOfOrderAcceptance.stop();
Date setTime = new Date(currentTime.getTime() * 1000);
OrderitemdetailsBO orderitemdetailsBO = list.get(position);
orderitemdetailsBO.setPreparationstarttime(setTime);
String orderDetails = "2";
String getPosition = Integer.toString(position);
viewHolder.btnPreparationStart.setBackgroundColor(Color.LTGRAY);
new sendOrderStatusToServer().execute(orderDetails,getPosition);
}
}, 5000);
}
else {
handler.removeCallbacksAndMessages(null);
v.clearAnimation();
flagPreparationStarted = 0;
Log.i("Handler Removed. :-", "Here");
}
}
});
String preparationTime = orderitemdetailsBO.getOrderpreparationtime();
if(preparationTime != null && orderStatus == order_preparationComplete)
{
viewHolder.txtElapsedTimeForPreparation.setText(preparationTime);
viewHolder.txtElapsedTimeForPreparation.stop();
viewHolder.btnPreparationComplete.getTag(position);
viewHolder.btnPreparationComplete.setEnabled(false);
viewHolder.btnPreparationComplete.setClickable(false);
viewHolder.btnPreparationComplete.setBackgroundColor(Color.LTGRAY);
}
else if( orderStatus == order_preparationStart || orderStatus == orderReceived || orderStatus == order_delivered){
Long n = acceptTime.getTime();
Log.i("Preparation Start Time :-", Long.toString(n));
viewHolder.txtElapsedTimeForPreparation.setBase(SystemClock.elapsedRealtime() - System.currentTimeMillis() + n);
viewHolder.txtElapsedTimeForPreparation.getBase();
viewHolder.txtElapsedTimeForPreparation.start();
viewHolder.txtElapsedTimeForPreparation.setFormat("%s");
}
viewHolder.btnPreparationComplete.setOnClickListener(new OnClickListener() {
@Override
public void onClick(final View v) {
// TODO Auto-generated method
if (flagPreparationComplete == 0) {
flagPreparationComplete++;
v.startAnimation(playAnimation());
handler.postDelayed(new Runnable() {
@Override
public void run() {
// TODO Auto-generated method stub
v.clearAnimation();
OrderitemdetailsBO orderitemdetailsBO = list.get(position);
Date date = orderitemdetailsBO.getPreparationstarttime();
if(date != null)
{
viewHolder.txtElapsedTimeForPreparation.stop();
Date currentTime = new Date();
Calendar calendar = Calendar.getInstance();
int minute = calendar.get(Calendar.MINUTE);
int second = calendar.get(Calendar.SECOND);
orderitemdetailsBO.setOrderpreparationtime(calendar.get(Calendar.MINUTE) +":" +calendar.get(Calendar.SECOND));
String orderDetails = "3";
String getPosition = Integer.toString(position);
viewHolder.btnPreparationComplete.setBackgroundColor(Color.LTGRAY);
new sendOrderStatusToServer().execute(orderDetails,getPosition);
}
else
{
Toast.makeText(myContext, "Please Enter Preparation Start Time.", Toast.LENGTH_LONG).show();
}
}
}, 5000);
} else {
handler.removeCallbacksAndMessages(null);
v.clearAnimation();
flagPreparationComplete = 0;
}
}
});
String deleveredTime = orderitemdetailsBO.getOrderdeliverytime();
if(deleveredTime != null && orderStatus == order_delivered)
{
Date delevered = new Date(Long.parseLong(deleveredTime));
viewHolder.txtElapsedTimeForPreparation.setText(DateUtil.getDateAsString(delevered,"MM:ss"));
Log.i("Preparation Start Time :-", delevered.getMinutes()+":"+delevered.getSeconds());
viewHolder.txtElapsedTimeForPreparation.stop();
viewHolder.btnDeliveryComplete.getTag(position);
viewHolder.btnDeliveryComplete.setEnabled(false);
viewHolder.btnDeliveryComplete.setClickable(false);
viewHolder.btnDeliveryComplete.setBackgroundColor(Color.LTGRAY);
}
else if(orderStatus == 3 || orderStatus == 2 || orderStatus == 1)
{
Long n = acceptTime.getTime();
Log.i("Preparation Start Time :-", Long.toString(n));
viewHolder.txtElapsedTimeForDeliveryComplete.setTag(list.get(position));
viewHolder.txtElapsedTimeForDeliveryComplete.setBase(SystemClock.elapsedRealtime() - System.currentTimeMillis() + n);
viewHolder.txtElapsedTimeForDeliveryComplete.getBase();
viewHolder.txtElapsedTimeForDeliveryComplete.start();
viewHolder.txtElapsedTimeForDeliveryComplete.setFormat("%s");
}
viewHolder.btnDeliveryComplete.setOnClickListener(new OnClickListener() {
@Override
public void onClick(final View v) {
// TODO Auto-generated method stub
if (flagDeliveryComplete == 0) {
flagDeliveryComplete++;
v.startAnimation(playAnimation());
handler.postDelayed(new Runnable() {
@Override
public void run() {
// TODO Auto-generated method stub
v.clearAnimation();
OrderitemdetailsBO orderitemdetailsBO = list.get(position);
Date date = orderitemdetailsBO.getPreparationstarttime();
String preparationComplete = orderitemdetailsBO.getOrderpreparationtime();
if(date != null && preparationComplete != null )
{
Date currentTime = new Date();
Calendar calendar = Calendar.getInstance();
viewHolder.txtElapsedTimeForDeliveryComplete.stop();
orderitemdetailsBO.setOrderdeliverytime(calendar.get(Calendar.MINUTE) +":"+calendar.get(Calendar.SECOND));
String orderDetails = Integer.toString(order_delivered);
String getPosition = Integer.toString(position);
viewHolder.btnDeliveryComplete.setBackgroundColor(Color.LTGRAY);
new sendOrderStatusToServer().execute(orderDetails,getPosition);
}
else
{
Toast.makeText(myContext, "Please Enter Preparation Start Time & Preparation Complete Time.",
Toast.LENGTH_LONG).show();
}
}
}, 5000);
}
else {
handler.removeCallbacksAndMessages(null);
v.clearAnimation();
flagDeliveryComplete = 0;
}
}
});
}
return convertView;
}
}
private static class ViewHolder {
protected TextView txtTableNumber;
protected TextView txtMenuItem;
protected TextView txtQuantity;
protected TextView txtOrderAcceptanceTime;
protected Chronometer txtElapsedTimeOfOrderAcceptance;
protected Button btnPreparationStart;
protected Chronometer txtElapsedTimeForPreparation;
protected Button btnPreparationComplete;
protected Chronometer txtElapsedTimeForDeliveryComplete;
protected Button btnDeliveryComplete;
}