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我有一個主要問題。我已經實現了分頁的可用視圖，但是當我到達行700應用程序崩潰時，有時它也會重新啓動ipad。所以我嘗試了每一件事，但我沒有得到解決方案。這是我的代碼。加載600行後UITableview頁面崩潰應用程序
#pragma mark - Table View
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
return 1;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
if (dataArray.count<[self.allRecordCount intValue])
{
return dataArray.count+1;
}
return dataArray.count;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
if (dataArray.count<[self.allRecordCount intValue])
{
if (indexPath.row < dataArray.count) {
return [self dataCellForIndexPath:indexPath tableview:tableView];
} else {
return [self loadingCell];
}
}else{
return [self dataCellForIndexPath:indexPath tableview:tableView];
}
}
- (void)tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath {
if (cell.tag == kLoadingCellTag) {
[self fillDataArray];
}
}
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
return 150;
}
#pragma mark PAGING_LOGIC
-(void)fillDataArray
{
self.strStartPoint=[NSString stringWithFormat:@"%d",[dataArray count]];
self.strPageSize=[NSString stringWithFormat:@"%d",kPageSize];
NSMutableArray *temp=[manager returnCallArray:self.strStartPoint NoofRecord:self.strPageSize];
for (Call *obj in temp)
{
[dataArray addObject:obj];
}
[temp release];
[tbl reloadData];
}
- (UITableViewCell *)loadingCell {
UITableViewCell *cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault
reuseIdentifier:nil] autorelease];
UIActivityIndicatorView *activityIndicator = [[UIActivityIndicatorView alloc]
initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge];
activityIndicator.frame=CGRectMake(480.5f,52.5f , 45, 45);
[cell addSubview:activityIndicator];
[activityIndicator release];
[activityIndicator startAnimating];
cell.tag = kLoadingCellTag;
return cell;
}
- (UITableViewCell *)dataCellForIndexPath:(NSIndexPath *)indexPath tableview:(UITableView *)table
{
NSString *CellIdentifier = [NSString stringWithFormat:@"%d %d",indexPath.section,indexPath.row];
UITableViewCell *cell = [table dequeueReusableCellWithIdentifier:CellIdentifier];
if(table.tag == 0){
//cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
UILabel *lblCall;UILabel *lblCallText;UILabel *lblAirComment;UILabel *lblCustomerTxt;UILabel *lblProximityTxt;
UILabel *lblNoOfMachineTxt;
UILabel *lblCallReceiveTxt;
UILabel *lblCallDueTxt;
if (cell==nil) {
Call *temp = [dataArray objectAtIndex:indexPath.row];
cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle
reuseIdentifier:CellIdentifier] autorelease];
lblCall = [[UILabel alloc]initWithFrame:CGRectMake(20,setY,220,20)];
lblCall.backgroundColor = [UIColor clearColor];
lblCall.text = @"Call Priority/Type/Status";
[cell.contentView addSubview:lblCall];
[lblCall release];
lblCallText = [[UILabel alloc]initWithFrame:CGRectMake(220,setY,270,20)];
lblCallText.backgroundColor = [UIColor clearColor];
lblCallText.tag = indexPath.row+100;
[cell.contentView addSubview:lblCallText];
[lblCallText release];
lbl_strstatusChangeReason = [[UILabel alloc] init];/
lbl_strstatusChangeReason.frame=CGRectMake(20,setY,800, labelSize5.height);
lbl_strstatusChangeReason.backgroundColor = [UIColor clearColor];
lbl_strstatusChangeReason.text = str_changeStatusReasoon;
lbl_strstatusChangeReason.tag = indexPath.row + 200000;
lbl_strstatusChangeReason.numberOfLines = 0;
lbl_strstatusChangeReason.lineBreakMode = UILineBreakModeWordWrap;
lbl_strstatusChangeReason.textColor = [UIColor redColor];
[cell.contentView addSubview:lbl_strstatusChangeReason];
}
return cell;
}
這是我用來填充細胞的NSObject。
#import <Foundation/Foundation.h>
@interface Call : NSObject {
NSString *strType;
NSString *strTypePriority;
NSString *strCustomer;
NSString *strProximity;
NSString *strETADateTime;
NSString *str480;
NSString *strAirComment;
NSString *strProblemDesc;
NSString *strNumberOfMachine;
NSString *strCallReceived;
NSString *strCallDue;
NSString *strAssignedTech;
NSString *strAssignedTechName;
NSString *strDefaultTech;
NSString *strDefaultTechName;
NSString *strDispatchedBy;
}
@property(nonatomic,retain)NSString *strDispatchedToTechInterval;
@property(nonatomic,retain)NSString *strDispatchedToBranchInterval;
@property(nonatomic,retain)NSString *strDispatchToTechnicianDate;
@property(nonatomic,retain)NSString *strDispatchToTechnicianTime;
@property(nonatomic,retain)NSString *strDispatchToTechnicianFrom;
@property(nonatomic,retain)NSString *strDispatchToTechnicianBy;
@property(nonatomic,retain)NSString *strCallClosedDateAndTimeSorting;
@property(nonatomic,retain)NSString *strCallClosedDateAndTime;
@property(nonatomic,retain)NSString *strCallClosedDate;
@property(nonatomic,retain)NSString *strCallClosedTime;
@property(nonatomic,retain)NSString *strtotalAmount;
@property(nonatomic,retain)NSString *strtotalPartAmount;
@property(nonatomic,retain)NSString *strtotalChargeAmount;
@property(nonatomic,retain)NSString *strOriginatingFacility;
@property(nonatomic,retain)NSString *str_RecordVersionNumber;
@property(nonatomic,retain)NSString *str_CustomerLatitude;
@property(nonatomic,retain)NSString *str_CustomerLongitude;
@property(nonatomic,retain)NSString *strDiscount;
@property(nonatomic,retain)NSString *str_HdrComment1;
@property(nonatomic,retain)NSString *str_PrioritySortValue;
@property(nonatomic,retain)NSString *str_StatusChangeReason;
@property(nonatomic,retain)NSString *str_OnSiteDate;
@property(nonatomic,retain)NSString *str_Address;
@property(nonatomic,retain)NSString *str_Address1;
@property(nonatomic,retain)NSString *str_Address2;
@property(nonatomic,retain)NSString *str_City;
@property(nonatomic,retain)NSString *str_State;
@property(nonatomic,retain)NSString *str_Zip;
@property(nonatomic,retain)NSString *strStatus;
@property(nonatomic,retain)NSString *strTypePriority;
@property(nonatomic,retain)NSString *strCustomer;
@property(nonatomic,retain)NSString *strProximity;
@property(nonatomic,retain)NSString *str480;
@property(nonatomic,retain)NSString *strAirComment;
@property(nonatomic,retain)NSString *strProblemDesc;
@property(nonatomic,retain)NSString *strNumberOfMachine;
@property(nonatomic,retain)NSString *strCallReceived;
@property(nonatomic,retain)NSString *strCallDue;
@property(nonatomic,retain)NSString *strAssignedTech;
@property(nonatomic,retain)NSString *strDefaultTech;
@property(nonatomic,retain)NSString *strDispatchedBy;
@end
#import "Call.h"
@implementation Call
@synthesize strStatus;
@synthesize strTypePriority;
@synthesize strCustomer;
@synthesize strProximity;
@synthesize str480;
@synthesize strAirComment;
@synthesize strProblemDesc;
@synthesize strNumberOfMachine;
@synthesize strCallReceived;
@synthesize strCallDue;
@synthesize strAssignedTech;
@synthesize strDefaultTech;
@synthesize strDispatchedBy;
@synthesize strCallNumber;
@synthesize strHoldCall;
@synthesize strOpenCall;
@synthesize strLoactionId;
@synthesize strCustomerName;
@synthesize strContactName;
@synthesize strPhoneNo;
@synthesize strFirsMachine;
@synthesize strMachineDone;
@synthesize strDispatchedToBranch;
@synthesize strDispatchedToTech;
@synthesize strServiceDue;
@synthesize strCallComment;
@synthesize strDiscount;
- (void)dealloc {
[strStatus release];
[strTypePriority release];
[strCustomer release];
[strProximity release];
[str480 release];
[strAirComment release];
[strProblemDesc release];
[strNumberOfMachine release];
[strCallReceived release];
[strCallDue release];
[strAssignedTech release];
[strDefaultTech release];
[strDispatchedBy release];
[strCallNumber release];
[strHoldCall release];
[strOpenCall release];
[strLoactionId release];
[strCustomerName release];
[strContactName release];
[strPhoneNo release];
[strFirsMachine release];
[strMachineDone release];
[strDispatchedToBranch release];
[strDispatchedToTech release];
[strServiceDue release];
[strCallComment release];
[strDiscount release];
[str_StatusChangeReason release];
[super dealloc];
}
這是我用於填充數組進行分頁的方法。
-(NSMutableArray *)returnCallArray:(NSString *)startPoint NoofRecord:(NSString *)noOfRecord
{
[self initiateFMDB];
NSMutableArray *aryCallFilterData=[[NSMutableArray alloc]init];
// NSMutableArray *finalArrayCall=[[NSMutableArray alloc]init];
@try {
if(![db open]){
NSLog(@"Could not open DB");
}
else{
resultset = [db executeQuery:[NSString stringWithFormat:@"select Call_HDR.*,Problem.Machine,Problem.ServiceStatusFlag,AssignTech.RepName AS AssignTechName,DefaultTech.RepName AS DefaultTechName,Problem.ProblemDescription AS ProblemDescription,Problem.SLAHours AS SLAHours,ARComment.CustARComments As CustARComments,SLAResponseCode.SLAResponse As SLAResponse from CALL_HDR LEFT JOIN Branch_Reps as AssignTech ON CALL_HDR.RepID = AssignTech.RepID LEFT JOIN Branch_Reps as DefaultTech ON CALL_HDR.AssignedServiceRep = DefaultTech.RepID LEFT JOIN CALL_MACHINE as Problem ON CALL_HDR.CallNumber||'*001' = Problem.CallNumberWSeqnbr LEFT JOIN Customers as ARComment ON CALL_HDR.LocationID = ARComment.LocationID LEFT JOIN NA_Data as SLAResponseCode ON CALL_HDR.CustomerTypeCode = SLAResponseCode.NationalAccountCode where CALL_HDR.CallStatus IN ('%@','%@') LIMIT %@,%@ ",STATUS_CLOSED,STATUS_CANCELLED,startPoint,noOfRecord]];
}
}
@catch (NSException * e) {
NSLog(@"Exception error for selectFromItemPhoto is %@",[e reason]);
}
if (!resultset) {
NSLog(@"no result set fechted");
}
while ([resultset next]) {
NSString *strCallPrioritySortValue = [resultset stringForColumn:@"PrioritySortValue"];
NSString *strCallPriority = [resultset stringForColumn:@"CallPriority"];
NSString *strCallType = [resultset stringForColumn:@"CallType"];
NSString *strCallStatus = [resultset stringForColumn:@"CallStatus"];
NSString *strCustomerName = [resultset stringForColumn:@"CustomerName"];
NSString *strAdd1 = [resultset stringForColumn:@"Address1"];
NSString *strAdd2 = [resultset stringForColumn:@"Address2"];
NSString *strCity = [resultset stringForColumn:@"City"];
NSString *strState = [resultset stringForColumn:@"State"];
NSString *strZip = [resultset stringForColumn:@"Zip"];
NSString *[email protected]"";
ObjModel.strStsChgByRep=strStatusChgByRep;
ObjModel.strCustomer = strCustomer;
ObjModel.strStatus = strCallStatus;
ObjModel.strHoldCall =strHoldCode;
ObjModel.strProximity = @"";
ObjModel.f_proximity = 0.0f;
ObjModel.str480 = strStr480;
ObjModel.strProblemDesc = strProbleDesc;
ObjModel.strNumberOfMachine =strNumberOfMachine;
ObjModel.strCallReceived = strCallReceive;
ObjModel.strCallDue = strCallDue;
ObjModel.strAssignedTech = strAssignedTech;
ObjModel.strDefaultTech = strDefaultTech;
ObjModel.strDispatchedBy = strDispatchedBy;
ObjModel.strCallNumber = strCallNumber;
ObjModel.n_CallNumber = [strCallNumber intValue];
ObjModel.strLoactionId = strLoactionId;
ObjModel.strContactName = strContactName;
ObjModel.strCustomerName = strCustomerName;
ObjModel.strPhoneNo = strPhoneNo;
ObjModel.strDiscount = strDisct;
ObjModel.strAirComment = strAirComment;
ObjModel.strAssigntechName = strAssignedTechBy;
ObjModel.strRepId = strRepId;
ObjModel.str_Address1 = strAdd;
ObjModel.str_StatusChangeReason = strStatusChangeReason;
[aryCallFilterData addObject:ObjModel];
[ObjModel release];
}
return aryCallFilterData;
}
所以請檢查我的代碼，並提出一些建議，以便我可以解決崩潰。
這是崩潰日誌：
Received memory warning.
2013-06-24 04:59:26.168 MFSS_PAGING_FACEBOOK[874:907] <FMDatabase: 0x2d8aa130> executeQuery: select Call_HDR.*,Problem.Machine,Problem.ServiceStatusFlag,AssignTech.RepName AS AssignTechName,DefaultTech.RepName AS DefaultTechName,Problem.ProblemDescription AS ProblemDescription,Problem.SLAHours AS SLAHours,ARComment.CustARComments As CustARComments,SLAResponseCode.SLAResponse As SLAResponse from CALL_HDR LEFT JOIN Branch_Reps as AssignTech ON CALL_HDR.RepID = AssignTech.RepID LEFT JOIN Branch_Reps as DefaultTech ON CALL_HDR.AssignedServiceRep = DefaultTech.RepID LEFT JOIN CALL_MACHINE as Problem ON CALL_HDR.CallNumber||'*001' = Problem.CallNumberWSeqnbr LEFT JOIN Customers as ARComment ON CALL_HDR.LocationID = ARComment.LocationID LEFT JOIN NA_Data as SLAResponseCode ON CALL_HDR.CustomerTypeCode = SLAResponseCode.NationalAccountCode where CALL_HDR.CallStatus IN ('8','0') LIMIT 700,100
感謝
不，您有責任合理調試。不要只在互聯網上投入數百行代碼。找出問題所在。開始註釋行，看看它是否會影響情況等。 – borrrden
您是否收到一些內存警告？ –
borrrden，我花了很多時間仔細檢查了這段代碼，我明確提到在表格應用程序中滾動700行後崩潰。而我發佈此代碼的擔憂是，代碼中是否有任何問題，或者可能會影響我在我的nsobject中使用了大量字符串，或者我的數據提取方法不正確。並且如果有人正在尋找它，那麼他可以很容易地找出代碼中出了什麼問題。任何方式感謝您的建議。 – Nikh1414