How To Split NSMutableArry Data into Two parts? - iphone

Question

I am Working on Recording Application.in This Application i Save my Recording with my own Text and it also Save the Recording with Current Date and Time.As my below Code show
-(IBAction)RecButtonPress:(id)sender
{
NSLog(#"Song name:%#",mySongname);
NSMutableDictionary* recordSetting = [[NSMutableDictionary alloc] init];
[recordSetting setValue :[NSNumber numberWithInt:kAudioFormatLinearPCM] forKey:AVFormatIDKey];
[recordSetting setValue:[NSNumber numberWithFloat:44000.0] forKey:AVSampleRateKey];
[recordSetting setValue:[NSNumber numberWithInt: 1] forKey:AVNumberOfChannelsKey];
[recordSetting setValue: [NSNumber numberWithInt:16] forKey:AVLinearPCMBitDepthKey];
[recordSetting setValue: [NSNumber numberWithBool:NO] forKey:AVLinearPCMIsBigEndianKey];
[recordSetting setValue: [NSNumber numberWithBool:NO] forKey:AVLinearPCMIsFloatKey];
NSDate* now = [NSDate date];
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
[dateFormatter setDateFormat:#"dd:MMM:YY_hh:mm:ss a"];
NSString *file= [dateFormatter stringFromDate:now];
NSString *fina=[file stringByAppendingString:mySongname];
NSArray *dirPaths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *docsDir = [dirPaths objectAtIndex:0];
NSString *soundFilePath = [docsDir stringByAppendingPathComponent:#"MyRecordings"];
if (![[NSFileManager defaultManager] fileExistsAtPath:soundFilePath])
[[NSFileManager defaultManager] createDirectoryAtPath:soundFilePath withIntermediateDirectories:NO attributes:nil error:nil];
soundFilePath = [soundFilePath stringByAppendingPathComponent:fina];
recordedTmpFile = [NSURL fileURLWithPath:soundFilePath];
NSLog(#"Uf:%#",recordedTmpFile);
recorder = [[ AVAudioRecorder alloc] initWithURL:recordedTmpFile settings:recordSetting error:&error];
[recorder setDelegate:self];
[recorder prepareToRecord];
[recorder record];
[recordSetting release];
[dateFormatter release];
}
Now After Saving Recording When i goes to SaveRecording Class Where actually i Show all these Recording in Tableview.here my Code is
- (void)viewWillAppear:(BOOL)animated {
[super viewWillAppear:animated];
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *documentsDirectory = [paths objectAtIndex:0];
NSString *documentPath = [documentsDirectory stringByAppendingPathComponent:#"MyRecordings"];
directoryContent = [[NSFileManager defaultManager] directoryContentsAtPath:documentPath];
NSLog(#"file found %i",[directoryContent count]);
NSLog(#"arraydata: %#", directoryContent );
[directoryContent retain];
[self.tableView reloadData];
}
And After That i Assign "directoryContent" Which is my NSMutablArray To UITableview.
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
return [directoryContent count];
}
//////////////////////////////////////////////////////////////////////////////////////////////
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
static NSString *CellIdentifier = #"Cell";
static NSInteger StateTag = 1;
static NSInteger CapitalTag = 2;
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil) {
cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease];
UILabel *capitalLabel = [[UILabel alloc] initWithFrame:CGRectMake(2, 2, 120, 20)];
//capitalLabel.text=#"mydata";
capitalLabel.backgroundColor=[UIColor redColor];
capitalLabel.tag = CapitalTag;
[capitalLabel setFont:[UIFont systemFontOfSize:9]];
[cell.contentView addSubview:capitalLabel];
[capitalLabel release];
UILabel *stateLabel = [[UILabel alloc] initWithFrame:CGRectMake(10, 22, 310, 20)];
stateLabel.tag = StateTag;
[stateLabel setFont:[UIFont systemFontOfSize:14]];
stateLabel.adjustsFontSizeToFitWidth=YES;
[cell.contentView addSubview:stateLabel];
[stateLabel release];
}
UILabel * stateLabel = (UILabel *) [cell.contentView viewWithTag:StateTag];
//UILabel * capitalLabel = (UILabel *) [cell.contentView viewWithTag:CapitalTag];
stateLabel.text = [directoryContent objectAtIndex:indexPath.row];
//capitalLabel.text = [datesaving objectAtIndex:indexPath.row];
return cell;
}
And Finaly my UITableView is Look like this Below ScreenShot
My All this Brief discussion purpose is that as my Screen shot show That UITableview Cell Show my Text and Current date and Time.Now i want to Split this directoryContent Array data into Two prats.The part which Consist of Current date and time i want to Assign it capitalLabel which is redpart of Cell in UITableview And Text to stateLabel Which is Below part of Cell in UITableview.Any help will be Appriated.Thanks in Advance.

Answer 1

First you need to append your string like this
NSString *file3 = [file stringByAppendingString:#"+"];
NSString *fina= [file3 stringByAppendingString:mySongname];
after that you need to seperate it like
NSArray *Array = [str componentsSeparatedByString:#"+"];
NSLog(#"myindex0str:%#",[Array objectAtIndex:0]);
NSLog(#"myindex1str:%#",[Array objectAtIndex:1]);
so you will get the both time and songname individually.

Answer 2

Hi Lena you can try the following things
1) Array of Dictionary
Save your Date and Song name separately in a Dictionary
NSDictionary *myData = [NSDictionary dictionaryWithObjectsAndKeys:myDateObj,#"SongDate",mySongName,#"SongName", nil];
[myMutableArray addObject:myData]//myMutableArray is a NSMutableArray;
Now you can use it as follows
NSDictionary *dict = [directoryContent objectAtIndex:indexPath.row];
stateLabel.text = [dict objectForKey:#"SongName"];
capitalLabel.text = [dict objectForKey:#"SongDate"];
OR
2) Your can do a little trick :)
NSString *fina=[file stringByAppendingFormat:#"+%#",mySongname];
NSArray *Array = [fina componentsSeparatedByString:#"+"];
capitalLabel.text = [Array objectAtIndex:0];
stateLabel.text = [Array objectAtIndex:1];
Here while appending you can use format and add any special character which you can use later to split the string.
Hope this will help you in any ways :)