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POMemory Management with code
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copied!<p>hi i have 2 classes one is plisreader which is following code</p> <pre><code>// // PlistReader.h // NationalAntemsAndFlags // // Created by mac on 12/17/11. // Copyright (c) 2011 __MyCompanyName__. All rights reserved. // #import <Foundation/Foundation.h> #import "CountryClass.h" @interface PlistReader : NSObject { NSDictionary *temp; } @property (nonatomic,retain) NSDictionary *temp; -(int)LengthOfPList; -(id)GetTheObjectById:(NSString*)ObjId; -(void)initWithFileName:(NSString*)fileName; - (id)getCountryInfoById:(int)id; @end </code></pre> <p>//implementation file</p> <pre><code>// // PlistReader.m // NationalAntemsAndFlags // // Created by mac on 12/17/11. // Copyright (c) 2011 __MyCompanyName__. All rights reserved. // #import "PlistReader.h" @implementation PlistReader @synthesize temp; -(id)init { if(self =[super init]) { } return self; } -(void)initWithFileName:(NSString*)fileName { // Data.plist code // get paths from root direcory NSArray *paths = NSSearchPathForDirectoriesInDomains (NSDocumentDirectory, NSUserDomainMask, YES); // get documents path NSString *documentsPath = [paths objectAtIndex:0]; // get the path to our Data/plist file NSString *plistPath = [documentsPath stringByAppendingPathComponent:[fileName stringByAppendingString:@"plist"]]; // check to see if Data.plist exists in documents if (![[NSFileManager defaultManager] fileExistsAtPath:plistPath]) { // if not in documents, get property list from main bundle plistPath = [[NSBundle mainBundle] pathForResource:fileName ofType:@"plist"]; } // read property list into memory as an NSData object NSData *plistXML = [[NSFileManager defaultManager] contentsAtPath:plistPath]; NSString *errorDesc = nil; NSPropertyListFormat format; // convert static property liost into dictionary object temp =(NSDictionary *)[NSPropertyListSerialization propertyListFromData:plistXML mutabilityOption:NSPropertyListMutableContainersAndLeaves format:&format errorDescription:&errorDesc]; if (!temp) { NSLog(@"Error reading plist: %@, format: %d", errorDesc, format); } // assign values } -(int)LengthOfPList { return temp.count; } -(id)GetTheObjectById:(NSString*)ObjId { return [temp objectForKey:ObjId]; } -(id)getCountryInfoById:(int)objId { NSString *objsId = [NSString stringWithFormat:@"%d",objId]; NSDictionary *CDirectory = (NSDictionary*) [self GetTheObjectById:objsId]; int count = CDirectory.count; if(count>0) { CountryClass *objCountry = [[CountryClass alloc] init]; objCountry.Name= [CDirectory objectForKey:@"Name"]; objCountry.LocationX =[[CDirectory objectForKey:@"PositionX"] intValue]; objCountry.LocationY = [[CDirectory objectForKey:@"PositionY"] intValue]; objCountry.ImageUrl = [CDirectory objectForKey:@"ImageUrl"]; objCountry.AnthemUrl =[CDirectory objectForKey:@"AnthemUrl"]; objCountry.ShortDetail =[CDirectory objectForKey:@"short Info"]; objCountry.completeDetails = [CDirectory objectForKey:@"Details"]; id ObjCountryInfo= objCountry; [objCountry release]; return ObjCountryInfo; } return NULL; } -(void)dealloc { NSLog(@"dealloc plist"); [temp release]; [super dealloc]; } @end </code></pre> <p>and the other is country class which has following code</p> <pre><code>// // CountryClass.h // NationalAntemsAndFlags // // Created by mac on 12/17/11. // Copyright (c) 2011 __MyCompanyName__. All rights reserved. // #import <Foundation/Foundation.h> @interface CountryClass : NSObject { NSString *Name ; NSString *ImageUrl; NSString *AnthemUrl; NSString *ShortDetail; NSString *completeDetails; int LocationX ; int LocationY ; } @property (nonatomic,retain) IBOutlet NSString *Name; @property (nonatomic,retain) IBOutlet NSString *ImageUrl; @property (nonatomic,retain) IBOutlet NSString *AnthemUrl; @property (nonatomic,retain) IBOutlet NSString *ShortDetail; @property (nonatomic,retain) IBOutlet NSString *completeDetails; @property (nonatomic) IBOutlet int LocationY; @property (nonatomic) IBOutlet int LocationX; @end </code></pre> <p>implementation file</p> <pre><code>// // CountryClass.m // NationalAntemsAndFlags // // Created by mac on 12/17/11. // Copyright (c) 2011 __MyCompanyName__. All rights reserved. // #import "CountryClass.h" @implementation CountryClass @synthesize Name,ImageUrl,AnthemUrl,ShortDetail,completeDetails,LocationX,LocationY; @end </code></pre> <p>so i called this in my scene like this</p> <pre><code>-(void)LoadData:(int)countryId { CId = countryId; PlistReader *pList =[[PlistReader alloc]init]; [pList initWithFileName:@"CountryDetails"]; CountryClass *objcountry = (CountryClass*) [pList getCountryInfoById:countryId]; NSString *tempLongDetails = objcountry.completeDetails; NSString *tempShortDetails = objcountry.ShortDetail; NSString *fileName = objcountry.ImageUrl ; CCSprite *flag ; NSString * fullPath = [[NSBundle mainBundle] pathForResource: [fileName stringByDeletingPathExtension] ofType: [fileName pathExtension] inDirectory: @"CountryFlags"]; NSLog(fullPath); if (fullPath) { UIImage *theImage = [UIImage imageWithContentsOfFile: fullPath]; if (theImage) { flag = [CCSprite spriteWithCGImage: [theImage CGImage] key: fileName]; // flag = [CCSprite spriteWithFile:fileName]; flag.position = ccp(200, 265); flag.scale = .255; } } TextViewTopFlagData = [[UITextView alloc]init]; TextViewTopFlagData.text = tempShortDetails; TextViewTopFlagData.frame = CGRectMake(260,17, 105, 75); TextViewTopFlagData.backgroundColor = [UIColor clearColor]; [TextViewTopFlagData setEditable:NO]; TextViewDownFlagData = [[UITextView alloc]init]; TextViewDownFlagData.text = tempLongDetails; TextViewDownFlagData.frame = CGRectMake(22,240, 242, 61); TextViewDownFlagData.backgroundColor = [UIColor clearColor]; [TextViewDownFlagData setEditable:NO]; [[[CCDirector sharedDirector]openGLView]addSubview:TextViewTopFlagData]; [[[CCDirector sharedDirector]openGLView]addSubview:TextViewDownFlagData]; [self addChild:flag]; } @end </code></pre> <p>but at the end of the function objcountry will be empty or out of reference can any one explain me that why this is happaning</p>

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