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1. Danniel says:
   January 5, 2010 at 12:36 am

   Hello, if you can do blogroll cloud, please send me an e-mail. Have a nice day!
2. Debabrata Biswas says:
   July 28, 2010 at 2:09 am

   Dear Sir,
   I have drawn pie chart using Core Plot library and data from Sqlite database. But I am not able to add label to each slice of pie. I am mentioning my code here. please help me out.. Its very urgent. From database I am fetching two field amount and category, I want to add amount as label of each slice of pie and below of chart I want to mention category name with slice color. How to do it… Thanks in advance.. Below Is my code….

   #import “PieChart_SampleViewController.h”

   static sqlite3 *database = nil;

   NSMutableArray *showChart = nil;
   NSMutableArray *arrayChart = nil;

   double chartCost;
   NSString *chartCategory;

   NSInteger day1, year1;
   NSString *month;

   static sqlite3_stmt *todayStmt = nil;
   static sqlite3_stmt *monthStmt = nil;
   static sqlite3_stmt *yearStmt = nil;

   @implementation PieChart_SampleViewController

   @synthesize graph,pieData,layerHost;
   @synthesize segmentControl;

   // Implement viewDidLoad to do additional setup after loading the view, typically from a nib.
   - (void)viewDidLoad {
   [super viewDidLoad];

   self.view.backgroundColor=[UIColor lightGrayColor];

   SQLAppDelegate *appDelegate = (SQLAppDelegate *)[[UIApplication sharedApplication] delegate];
   NSString *dbPath = [appDelegate getDBPath];
   NSLog(@”%@”,dbPath);

   showChart = [[NSMutableArray alloc] init];

   NSDate* date = [NSDate date];
   NSDateFormatter* formatter = [[[NSDateFormatter alloc] init] autorelease];
   [formatter setDateFormat:@"yyyy-MMMM-dd-ccc"];
   NSString *datestr = [formatter stringFromDate:date];
   NSArray *date1 = [datestr componentsSeparatedByCharactersInSet:[NSCharacterSet characterSetWithCharactersInString:@"-"]];

   NSString *year = [date1 objectAtIndex:0];
   month = [[NSString alloc] initWithString:[date1 objectAtIndex:1]];
   NSString *day = [date1 objectAtIndex:2];
   NSString *week_day = [date1 objectAtIndex:3];

   day1 = [day intValue];
   year1 = [year intValue];

   [self Today_Report:day1 tmonth:month tyear:year1];
   [self constructPieChart];

   NSLog(@”Current day In Number:::%@”,day);
   NSLog(@”Current day1:::%@”,week_day);
   NSLog(@”Current Month:::%@”,month);
   NSLog(@”Current Year:::%d”,year1);

   [self.segmentControl addTarget:self action:@selector(SegmentControlIndexChanged:) forControlEvents:UIControlEventValueChanged];

   }

   -(void)constructPieChart {

   graph = [[CPXYGraph alloc] initWithFrame: self.view.bounds];
   layerHost.hostedLayer = graph;
   graph.paddingLeft = 10.0;
   graph.paddingTop = 10.0;
   graph.paddingRight = 10.0;
   graph.paddingBottom = 100.0;

   CPPieChart *pieChart = [[CPPieChart alloc] init];
   pieChart.dataSource = self;
   pieChart.pieRadius = 100.0;
   pieChart.identifier = @”PieChart”;
   pieChart.startAngle = M_PI_4;

   pieChart.sliceDirection = CPPieDirectionClockwise;
   self.pieData = arrayChart;
   CPTheme *theme = [CPTheme themeNamed:kCPSlateTheme];
   [graph applyTheme:theme];
   [graph addPlot:pieChart];
   [pieChart release];

   // For Label on each slice of pie
   int k=-135;
   int j=50;

   for (int i=0; i<[arrayChart count];i++)
   {
   k=k+50;
   k=j+50;
   CPTextLayer *layerdarkgrayotfinalfi=nil;
   if (!layerdarkgrayotfinalfi)
   {
   NSString *test=[NSString stringWithFormat:@"%@",[arrayChart objectAtIndex:i]];
   NSLog(@"Label Test:%@",test);
   layerdarkgrayotfinalfi= [[[CPTextLayer alloc] initWithText:test]autorelease];
   layerdarkgrayotfinalfi.bounds = CGRectMake(0, 0, 20, 10);
   layerdarkgrayotfinalfi.position = CGPointMake(k, j);
   //layerdarkgrayotfinalfi.textStyle=whiteText1;
   [layerHost.hostedLayer addSublayer:layerdarkgrayotfinalfi];

   }

   }

   }

   - (void)SegmentControlIndexChanged:(id)sender{

   switch (self.segmentControl.selectedSegmentIndex) {
   case 0:
   [self Today_Report:day1 tmonth:month tyear:year1];
   [self constructPieChart];
   break;
   case 1:
   NSLog(@"Hello Week");

   break;
   case 2:
   NSLog(@"Hello Month %@",month);

   [self Monthwise_Report:month Year:year1];
   [self constructPieChart];
   break;
   case 3:
   [self YearWise_Report:year1];
   [self constructPieChart];
   break;
   default:
   break;
   }
   }

   - (void)Today_Report:(NSInteger)today tmonth:(NSString *)tmth tyear:(NSInteger)tyr{

   //[showReport removeAllObjects];
   [arrayChart removeAllObjects];

   NSInteger tday = today;
   NSString *tmonth = tmth;
   NSInteger tyear = tyr;

   NSLog(@"Today :::%d",tday);

   SQLAppDelegate *appDelegate = (SQLAppDelegate *)[[UIApplication sharedApplication] delegate];
   NSString *dbPath = [appDelegate getDBPath];
   NSLog(@"%@",dbPath);

   if(sqlite3_open([dbPath UTF8String], &database) == SQLITE_OK)
   {

   if (todayStmt == nil)
   {

   const char *queryString = "select sum(cost), category from expense where day = ? and month = ? and year = ? group by category";

   int return_value =sqlite3_prepare_v2(database, queryString, -1, &todayStmt, NULL);

   if (return_value == SQLITE_OK)
   {

   sqlite3_bind_int(todayStmt,1, tday);
   sqlite3_bind_text(todayStmt, 2, [tmonth UTF8String], -1 ,SQLITE_TRANSIENT);
   sqlite3_bind_int(todayStmt, 3, tyear);

   arrayChart = [[NSMutableArray alloc] init];

   while(sqlite3_step(todayStmt) == SQLITE_ROW) {

   showReporttemp = [[Report alloc] init];

   showReporttemp.cost = (double)sqlite3_column_double(todayStmt, 0);
   showReporttemp.category = [NSString stringWithUTF8String:(char *)sqlite3_column_text(todayStmt, 1)];

   NSLog(@"Category name :%@",showReporttemp.category);
   NSLog(@"Cost %f",showReporttemp.cost);

   [showChart addObject:showReporttemp];
   NSLog(@"Object no %d", [showChart count]);
   chartCost = showReporttemp.cost;
   [arrayChart addObject:[NSNumber numberWithDouble:chartCost]];

   }
   }
   }
   else {
   NSAssert1(0, @"Prepare statement failed with message %s", sqlite3_errmsg(database));

   }
   sqlite3_reset(todayStmt);
   }

   todayStmt = nil;
   sqlite3_close(database);
   //[tableView reloadData];

   }

   - (void)WeekWise_Report:(NSString *)wdate Catg:(NSString *)cat{

   }

   - (void)Monthwise_Report:(NSString *)mon Year:(NSInteger)yr{

   //[showReport removeAllObjects];
   [arrayChart removeAllObjects];

   NSString *getmonth = mon;
   NSInteger year = yr;

   NSLog(@"Current Month and Year %@,%d",mon,year);

   SQLAppDelegate *appDelegate = (SQLAppDelegate *)[[UIApplication sharedApplication] delegate];
   NSString *dbPath = [appDelegate getDBPath];
   NSLog(@"%@",dbPath);

   if(sqlite3_open([dbPath UTF8String], &database) == SQLITE_OK)
   {

   if (monthStmt == nil)
   {

   const char *queryString = "select sum(cost), category from expense where month = ? and year = ? group by category";

   int return_value =sqlite3_prepare_v2(database, queryString, -1, &monthStmt, NULL);

   if (return_value == SQLITE_OK)
   {

   sqlite3_bind_text(monthStmt, 1 , [getmonth UTF8String], -1, SQLITE_TRANSIENT);
   sqlite3_bind_int(monthStmt,2, year);

   arrayChart = [[NSMutableArray alloc] init];

   while(sqlite3_step(monthStmt) == SQLITE_ROW) {

   NSLog(@"Fetching Started");
   showReporttemp = [[Report alloc] init];

   showReporttemp.cost = (double)sqlite3_column_double(monthStmt, 0);
   showReporttemp.category = [NSString stringWithUTF8String:(char *)sqlite3_column_text(monthStmt, 1)];

   NSLog(@"Catagory name in chart page :%@",showReporttemp.category);
   NSLog(@"Cost %.02f",showReporttemp.cost);
   chartCost = showReporttemp.cost;
   NSLog(@"Chart Cost:%.02f",chartCost);
   [showChart addObject:showReporttemp];
   NSLog(@"Object no %d", [showChart count]);
   [arrayChart addObject:[NSNumber numberWithDouble:chartCost]];

   }
   }
   }
   else {
   NSAssert1(0, @"Prepare statement failed with message %s", sqlite3_errmsg(database));

   }
   sqlite3_reset(monthStmt);
   }
   monthStmt = nil;
   sqlite3_close(database);
   //[tableView reloadData];

   }

   - (void)YearWise_Report:(NSInteger)rpyear{

   //[showReport removeAllObjects];
   [arrayChart removeAllObjects];

   NSInteger year = rpyear;

   NSLog(@"Current Year:::%d",year);

   SQLAppDelegate *appDelegate = (SQLAppDelegate *)[[UIApplication sharedApplication] delegate];
   NSString *dbPath = [appDelegate getDBPath];
   NSLog(@"%@",dbPath);

   if(sqlite3_open([dbPath UTF8String], &database) == SQLITE_OK)
   {

   if (yearStmt == nil)
   {

   const char *queryString = "select sum(cost), category from expense where year = ? group by category";

   int return_value =sqlite3_prepare_v2(database, queryString, -1, &yearStmt, NULL);

   if (return_value == SQLITE_OK)
   {
   NSLog(@"Execution 5 starts from here");

   sqlite3_bind_int(yearStmt,1, year);
   arrayChart = [[NSMutableArray alloc] init];

   while(sqlite3_step(yearStmt) == SQLITE_ROW) {

   NSLog(@"Fetching Started");
   showReporttemp = [[Report alloc] init];

   showReporttemp.cost = (double)sqlite3_column_double(yearStmt, 0);
   showReporttemp.category = [NSString stringWithUTF8String:(char *)sqlite3_column_text(yearStmt, 1)];

   NSLog(@"Category name :%@",showReporttemp.category);
   NSLog(@"Cost %f",showReporttemp.cost);

   [showChart addObject:showReporttemp];
   NSLog(@"Object no %d", [showChart count]);
   chartCost = showReporttemp.cost;
   [arrayChart addObject:[NSNumber numberWithDouble:chartCost]];

   }
   }
   }
   else {
   NSAssert1(0, @"Prepare statement failed with message %s", sqlite3_errmsg(database));

   }
   sqlite3_reset(yearStmt);
   }

   yearStmt = nil;
   sqlite3_close(database);
   //[tableView reloadData];

   }

   -(NSUInteger)numberOfRecordsForPlot:(CPPlot *)plot
   {
   return [self.pieData count];

   }

   -(NSNumber *)numberForPlot:(CPPlot *)plot field:(NSUInteger)fieldEnum recordIndex:(NSUInteger)index
   {
   return [self.pieData objectAtIndex:index];
   }

   /*
   -(CPFill *)sliceFillForPieChart:(CPPieChart *)pieChart recordIndex:(NSUInteger)index {

   CPFill * fill = [CPFill fillWithGradient:[CPGradient rainbowGradient]];
   return fill;

   }*/

   - (void)didReceiveMemoryWarning {
   // Releases the view if it doesn't have a superview.
   [super didReceiveMemoryWarning];

   // Release any cached data, images, etc that aren't in use.
   }

   /*- (void)viewDidUnload {
   // Release any retained subviews of the main view.
   // e.g. self.myOutlet = nil;
   }*/

   - (void)dealloc {
   [pieData release];
   [graph release];
   [segmentControl release];
   [super dealloc];
   }

   @end
3. songokuvn says:
   March 20, 2011 at 10:12 pm

   Hi Master,

   I saw your post about at command working with samsung t729? I’m using this phone, but I can a software or at command can control keypad for this phone. If you know what is at command can control keypad for this phone please help me. I waiting for your help, I really happy when i received your reply!!

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