I need to set two buttons on each cell with different actions but same frame, on click one will hide other will visible. How can i do this.
Thanks in advance.
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
static NSString *SimpleTableIdentifier = #"SimpleTableIdentifier";
UITableViewCell * cell =
[tableHistory dequeueReusableCellWithIdentifier: SimpleTableIdentifier];
if (cell == nil) {
cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:SimpleTableIdentifier] autorelease];
}
else
{
cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:SimpleTableIdentifier] autorelease];
}
UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
[button setFrame:CGRectMake(270.0, 7.0, 30.0, 30.0)];
if([[arrayCheckUnchek objectAtIndex:indexPath.row] isEqualToString:#"check"])
[button setImage:[UIImage imageNamed:#"right-with-bg.png"] forState:UIControlStateNormal];
else
[button setImage:[UIImage imageNamed:#"tick-bg.png"] forState:UIControlStateNormal];
[button addTarget:self action:#selector(buttonClicked:)forControlEvents:UIControlEventTouchUpInside];
[cell.contentView addSubview:button];
cell.textLabel.text = [cellDataArray objectAtIndex:indexPath.row];
cell.detailTextLabel.text = [arrayTktcode objectAtIndex:indexPath.row];
cell.selectionStyle = UITableViewCellSelectionStyleNone;
[cell addSubview:btnUnScan];
[cell addSubview:btnUScan];
return cell;
}
-(void)buttonClicked:(id)sender
{
CGPoint touchPoint = [sender convertPoint:CGPointZero toView:tableHistory];
NSIndexPath *indexPath = [tableHistory indexPathForRowAtPoint:touchPoint];
UIButton *button = (UIButton *)sender;
if([[arrayCheckUnchek objectAtIndex:indexPath.row] isEqualToString:#"Uncheck"])
{
[button setImage:[UIImage imageNamed:#"right-with-bg.png"] forState:UIControlStateNormal];
[arrayCheckUnchek replaceObjectAtIndex:indexPath.row withObject:#"check"];
}
else
{
[button setImage:[UIImage imageNamed:#"tick-bg.png"] forState:UIControlStateNormal];
[arrayCheckUnchek replaceObjectAtIndex:indexPath.row withObject:#"Uncheck"];
}
}
Related
I have a tableview where I am displaying my values from database in tableview cells. In this tableview cellforrowatindexpath, I have created a button with an image on it and set selector for it. So when I click on the button my selector is called and it changes my image to another image.
But the problem is it does not identifies the indexpath i.e. if 4 rows are present in the tableview and if I click on the first row button, its image should change but problem is 4th row action is performed and its image is changed because it does not get the proper indexpath of the image to change.
This is my cellforrowatindexpath code:
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
NSString *CellIdentifier = [NSString stringWithFormat:#"Cell%d%d", indexPath.section, indexPath.row];
appDelegate = (StopSnoozeAppDelegate*)[[UIApplication sharedApplication]delegate];
cell =(TAlarmCell *) [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil) {
cell = [[[TAlarmCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease];
mimageButton = [UIButton buttonWithType:UIButtonTypeCustom];
mimageButton.frame=CGRectMake(10, 20, 20, 20);
mimageButton.tag = 1;
onButtonView = [[UIImageView alloc]initWithFrame:CGRectMake(0, 0, 30, 50)];
onButtonView.tag = 2;
onButtonView.image = [UIImage imageNamed:#"alarm_ON.png"];
[mimageButton setImage:onButtonView.image forState:UIControlStateNormal];
[cell.contentView addSubview:mimageButton];
[mimageButton addTarget:self action:#selector(changeMapType::) forControlEvents:UIControlEventTouchUpInside];
}
return cell;
}
This is my changemapType code
-(void)changeMapType:(NSIndexPath*)path1:(UIButton*)sender{
appDelegate.changeimagetype =!appDelegate.changeimagetype;
if(appDelegate.changeimagetype == YES)
{
onButtonView.image = [UIImage imageNamed:#"alarm_OF.png"];
[mimageButton setImage:onButtonView.image forState:UIControlStateNormal];
appDelegate.changeimagetype = YES;
}
else
{
onButtonView.image = [UIImage imageNamed:#"alarm_ON.png"];
[mimageButton setImage:onButtonView.image forState:UIControlStateNormal];
appDelegate.changeimagetype = NO;
}
}
Don't break table view cell reuse just to put a different tag on each button. If your cells are the same, use the same reuse identifier.
You can find out the index path of the sender like this, without any need to mess around with tags. It also works for multi section tables.
CGPoint hitPoint = [sender convertPoint:CGPointZero toView:self.tableView];
NSIndexPath *hitIndex = [self.tableView indexPathForRowAtPoint:hitPoint];
I don't think you can have additional arguments in an #selector like that. What you might have to do is subclass UIButton and add an NSIndexPath property (or even just an int) and in -(void)changeMapType:(MyCustomButton*)sender access the property there.
Also it seems you do not even use the index path in changeMapType so that will need to be changed as well.
EDIT: Is it the button image you are trying to change? In which case you don't need the index path at all, or a subclass. Just use [sender setImage:(UIImage *)image forState:(UIControlState)state].
Use yourTableView for getting the Index Path.. Try something like this.
- (void)buttonAction:(UIButton*)sender {
UITableViewCell *cell = (UITableViewCell*)button.superview;
NSIndexPath *indexPath = [yourTableView indexPathForCell:cell];
NSLog(#"%d",indexPath.row)
}
I think following code might help you..
-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
UIView *myCheckbox = [[UIView alloc] init];
UIButton *myBt1 = [[UIButton alloc] initWithFrame:CGRectMake(10, 10, 30, 30)];
if([appDelegate.changeimagetype == YES"]){
[myBt1 setBackgroundImage:[UIImage imageNamed:#"alarm_ON.png"] forState:UIControlStateNormal];
}
else {
[myBt1 setBackgroundImage:[UIImage imageNamed:#"alarm_OF.png"] forState:UIControlStateNormal];
}
[myBt1 addTarget:self action:#selector(btcheckbox:) forControlEvents:UIControlEventTouchDown];
[myBt1 setTag:indexPath.row];
[myCheckbox addSubview:myBt1];
[myBt1 release];
[myCheckbox release];
[cell addsubview:myview];
return cell;
}
-(void) btcheckbox:(id) sender
{
UIButton *currentButton = (UIButton *) sender;
if([[currentButton backgroundImageForState:UIControlStateNormal] isEqual:[UIImage imageNamed:#"alarm_OF.png"]])
{
appDelegate.changeimagetype = YES;
[currentButton setBackgroundImage:[UIImage imageNamed:#"alarm_ON.png"] forState:UIControlStateNormal];
}else if([[currentButton backgroundImageForState:UIControlStateNormal] isEqual:[UIImage imageNamed:#"alarm_ON.png"]])
{
appDelegate.changeimagetype = NO;
[currentButton setBackgroundImage:[UIImage imageNamed:#"alarm_OF.png"] forState:UIControlStateNormal];
}
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
NSString *CellIdentifier = [NSString stringWithFormat:#"Cell%d", indexPath.row];
appDelegate = (StopSnoozeAppDelegate*)[[UIApplication sharedApplication]delegate];
cell =(TAlarmCell *) [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil) {
cell = [[[TAlarmCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease];
UIButton *mimageButton = [UIButton buttonWithType:UIButtonTypeCustom];
mimageButton.frame=CGRectMake(10, 20, 20, 20);
mimageButton.tag = indexPath.row;
//onButtonView = [[UIImageView alloc]initWithFrame:CGRectMake(0, 0, 30, 50)];
//onButtonView.tag = 2;
// onButtonView.image = [UIImage imageNamed:#"alarm_ON.png"];
[mimageButton setImage:[UIImage imageNamed:#"alarm_ON.png"] forState:UIControlStateNormal];
mimageButton.selected = NO;
[cell.contentView addSubview:mimageButton];
[mimageButton addTarget:self action:#selector(changeMapType:) forControlEvents:UIControlEventTouchUpInside];
}
return cell;
}
-(void)changeMapType:(UIButton*)sender{
if(sender.selected == YES)
{
// onButtonView.image = [UIImage imageNamed:#"alarm_OF.png"];
[sender setImage:[UIImage imageNamed:#"alarm_ON.png"] forState:UIControlStateNormal];
sender.selected = NO;
}
else
{
//onButtonView.image = [UIImage imageNamed:#"alarm_ON.png"];
[sender setImage:[UIImage imageNamed:#"alarm_OF.png"] forState:UIControlStateNormal];
sender.selected = YES;
}
}
Hi I try this code but it not show image on cell where i am wrong i want when i click every cell then i want to display image or when i scroll cell then image not disappear it should be appear on that cell i use this code but it not working pease help me on this.
#interface imageclass : UITableViewController
{
BOOL changeimagetype;
//UIImage *btnImage;
UIButton *mimageButton;
UIImageView *onButtonView;
}
#property (nonatomic,retain)UIImageView *onButtonView;
#property BOOL changeimagetype;
#property (nonatomic,retain)UIButton *mimageButton;
-(void)changeMapType:(id)sender;
#end
#import "imageclass.h"
#implementation imageclass
#synthesize onButtonView,changeimagetype,mimageButton;
-(void)changeMapType:(id)sender
{
changeimagetype =!changeimagetype;
if(changeimagetype == YES)
{
//[typechange setImage:[UIImage imageNamed:#"map.png"] forState:UIControlStateNormal];
//self.myGreatMapView.mapType = MKMapTypeStandard;
onButtonView.image = [UIImage imageNamed:#"alarm_OF.png"];
[mimageButton setImage:onButtonView.image forState:UIControlStateNormal];
//someBarButtonItem.image = [UIImage imageNamed:#"alarm_ON..png"];
//changeimagetype =NO;
}
else
{
//self.myGreatMapView.mapType = MKMapTypeSatellite;
onButtonView.image = [UIImage imageNamed:#"alarm_ON.png"];
[mimageButton setImage:onButtonView.image forState:UIControlStateNormal];
}
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
static NSString *CellIdentifier = #"Cell";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil) {
cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease];
}
mimageButton = [UIButton buttonWithType:UIButtonTypeCustom];
mimageButton.frame=CGRectMake(10, 10, 30, 50);
mimageButton.tag = 1;
onButtonView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, 30, 50)];
onButtonView.tag = 2;
onButtonView.image = [UIImage imageNamed:#"alarm_ON.png"];
[mimageButton setBackgroundImage:[onButtonView.image stretchableImageWithLeftCapWidth:0.0 topCapHeight:0.0] forState:UIControlStateNormal];
[cell.contentView addSubview:mimageButton];
[mimageButton addTarget:self action:#selector(changeMapType:) forControlEvents: UIControlEventTouchUpInside];
[onButtonView release];
// Configure the cell...
return cell;
}
Define you tableview delegate like this.
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
static NSString *CellIdentifier = #"Cell";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil) {
cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease];
mimageButton = [UIButton buttonWithType:UIButtonTypeCustom];
mimageButton.frame=CGRectMake(10, 10, 30, 50);
mimageButton.tag = 1;
onButtonView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, 30, 50)];
onButtonView.tag = 2;
onButtonView.image = [UIImage imageNamed:#"alarm_ON.png"];
[mimageButton setBackgroundImage:[onButtonView.image stretchableImageWithLeftCapWidth:0.0 topCapHeight:0.0] forState:UIControlStateNormal];
[cell.contentView addSubview:mimageButton];
[mimageButton addTarget:self action:#selector(changeMapType:) forControlEvents: UIControlEventTouchUpInside];
[onButtonView release];
}
// Configure the cell...
return cell;
}
Here is the code:-
Add this in cellForRowAtIndexPath method. And also set flag variable in your target method for togglebutton.
if(flagButton)
{
onButtonView.image = [UIImage imageNamed:#"alarm_ON.png"];
}
else
{
onButtonView.image = [UIImage imageNamed:#"alarm_OFF.png"];
}
I tried this different approach, and it worked.
While configuring the button,
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
static NSString *CellIdentifier = #"Cell";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil) {
cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease];
mimageButton = [UIButton buttonWithType:UIButtonTypeCustom];
mimageButton.frame=CGRectMake(10, 10, 30, 50);
mimageButton.tag = 1;
[tempButton setImage:[UIImage imageNamed:#"alarm_ON.png"] forState:UIControlStateNormal];
[tempButton setImage:[UIImage imageNamed:#"alarm_OF.png"] forState:UIControlStateSelected];
[cell.contentView addSubview:mimageButton];
[mimageButton addTarget:self action:#selector(changeMapType:) forControlEvents: UIControlEventTouchUpInside];
}
// Configure the cell...
return cell;
}
And in changeMapType: method,
-(void)changeMapType:(id)sender{
changeimagetype =!changeimagetype;
sender.selected = changeimagetype;
}
I have two buttons inside sectioned tableview cell thumbs up and thumbs down. Initially image of both button is not selected. When I select thumbs up button its image become thumbs up selected and other one become thumbsdown not selected and vice versa.
//Number of sections
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
NSLog(#"mod:numberOfSectionsInTableView");
NSLog(#"[preferences count]=%d",[preferences count]);
return [preferences count];
}
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
return [self.choices count];
}
- (UITableViewCell *)tableView:(UITableView *)tableView
cellForRowAtIndexPath:(NSIndexPath *)indexpath
{
NSLog(#"cellForRowAtIndexPath: DISPLAY TEST");
static NSString *CellIdentifier = #"Cell";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil) {
cell = [[[UITableViewCell alloc] initWithFrame:CGRectZero reuseIdentifier:CellIdentifier] autorelease];
NSLog(#"Text is: %#", [choices objectAtIndex:indexpath.row]);
NSLog(#"CHOICE AT INDEX PATH IS: %#",[choices objectAtIndex:indexpath.row %[choices count]]);
cell.textColor = [UIColor whiteColor];
cell.backgroundColor = [UIColor blackColor];
// Thumbs up button.
//UIButton *thumbsUp = [[UIButton alloc]init];
thumbsUp = [UIButton buttonWithType:UIButtonTypeCustom];
[thumbsUp setTag:(indexpath.row+(indexpath.section * 50))];
[thumbsUp addTarget:self action:#selector(thumbUp_ButtonClicked:event:)
forControlEvents:UIControlEventTouchUpInside];
[thumbsUp setTitle:#"" forState:UIControlStateNormal];
thumbsUp.frame = CGRectMake(150.0, 20, 20, 15);
[thumbsUp setBackgroundImage:[UIImage imageNamed:#"thumbsup_not_selected.png"]
forState:UIControlStateNormal];
//NSLog(#"------------------>TAG TEST : %d",(indexpath.row+(indexpath.section * 50)));
[cell.contentView addSubview:thumbsUp];
// Thumbs down button
thumbsDown = [UIButton buttonWithType:UIButtonTypeCustom];
[thumbsDown addTarget:self action:#selector(thumbDown_ButtonClicked:event:)
forControlEvents:UIControlEventTouchUpInside];
[thumbsDown setTitle:#"" forState:UIControlStateNormal];
thumbsDown.frame = CGRectMake(200, 20, 20, 15);
[thumbsDown setTag:indexpath.row+120];
[cell.contentView addSubview:thumbsDown];
[cell setSelectionStyle:UITableViewCellSelectionStyleNone];
[thumbsDown setBackgroundImage:[UIImage imageNamed:#"thumbsdown_not_selected.png"]
forState:UIControlStateNormal];
}
NSLog(#"------------> TAG TEST %d",thumbsUp.tag);
cell.text = [choices objectAtIndex:(indexpath.row % [choices count])];
NSLog(#"HELLO FOR TESTING");
return cell;
}
- (UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section {
NSString *sectionTitle = [self tableView:tableView titleForHeaderInSection:section];
if (sectionTitle == nil) {
return nil;
}
// Create label with section title
UILabel *label = [[[UILabel alloc] init] autorelease];
label.frame = CGRectMake(15, 10, 300, 25);
label.backgroundColor = [UIColor clearColor];
label.textColor = [UIColor blackColor];
label.shadowColor = [UIColor whiteColor];
label.shadowOffset = CGSizeMake(0.0, 1.0);
label.font = [UIFont boldSystemFontOfSize:16];
label.textAlignment = UITextAlignmentLeft;
label.text = sectionTitle;
// Create header view and add label as a subview
UIView *view = [[UIView alloc] initWithFrame:CGRectMake(12, 0, 300, 60)];
[view autorelease];
[view addSubview:label];
//[view addSubview:segmentedControl];
view.backgroundColor = [UIColor grayColor];
return view;
}
//Thumbs Up Button Action
- (IBAction)thumbUp_ButtonClicked:(id)sender event:(id)event
{
NSLog(#"Thumbs Up Check!");
UIButton *button = (UIButton *)sender;
UITableViewCell *cell = (UITableViewCell *) [[button superview] superview];
NSIndexPath *indexPath = [myTable indexPathForCell:cell];
NSLog(#"indexpath =%d",indexPath.row);
//[button setTag:indexPath.row+(indexPath.section * 50)];
int cTag = [sender tag];
NSLog(#"------>TAG : %d", cTag);
NSLog(#"------> Calculated TAG %d",indexPath.row+(indexPath.section * 50));
if(cTag == (indexPath.row+(indexPath.section * 50)))
{
NSLog(#"BUTTON COUNT:");
[button setBackgroundImage:[UIImage imageNamed:#"thumbsup_selected.png"]
forState:UIControlStateNormal];
}enter code here
NSInteger section = indexPath.section;
NSInteger row = indexPath.row;
//int row = button.tag;
NSLog(#"SECTION IS:%d",section);
NSLog(#"ROW IS: %d",row);
NSArray *array = cell.contentView.subviews;
NSLog(#"NUMBER OF OBJECTS: %d",[array count]);
UIButton *test = (UIButton *)[array objectAtIndex:2];
[test setBackgroundImage:[UIImage imageNamed:#"thumbsdown_not_selected.png"]forState:UIControlStateNormal];
}
Due to issue with tag of button while I change image of one button several buttons are changing.
If any one can please find a solution it will be helpful.... tag is setting for buttons in sections which we can view.
If the Tableview is not sectioned its working well.
Your problem might be the fact that you're setting the variable only if the cell is newly created. Perhaps the sectioning has an impact on how many cells are affected. Try pulling your thumbs up / thumbs down code out of the if (cell == nil) block and see if that has an effect.
Is it possible to check uitableviewcell accessoryview contains image or not?
For example
if([self.tableView cellForRowAtIndexPath:indexPath].accessoryView == [UIImage imageNamed:#"selected.png"] )
Some this like that or with different method.
Thank you
By default accessoryView will be null.
You can check for -
if (self.tableView.accessoryView) {
// An image is present
}
For my app I have created a custom cell and then added the imageView at the contentView
But for your requirement you can do something like this
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil)
{
cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease];
UIImageView *imageView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, 20, 20)];
cell.accessoryView = imageView];
imageView.tag = 3;
[imageView release];
}
NSArray *subviews = [[NSArray alloc] initWithArray:cell.contentView.subviews];
UIImageView *imageView;
for (UIView *subview in subviews)
{
if([subview isKindOfClass:[UIImageView class]] && subview.tag == 3);
imageView = [subview copy];
}
[subviews release];
if([selectedArray containsObject:indexPath])
imageView.image = [UIImage imageNamed:#"Selected.png"];
else
imageView.image = [UIImage imageNamed:#"Unselected.png"];
}
And in this method do the same thing to get the imageView object
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
First:
if([self.tableView cellForRowAtIndexPath:indexPath].accessoryView == [UIImage imageNamed:#"selected.png"] )
this is wrong... acessaryview is not an image, it's UIView.
Check for:
if(nil != [self.tableView cellForRowAtIndexPath:indexPath].accessoryView)
{
// It has got something in it...
}
else
{
//create an accessary view....
}
This is how I implement multiselect tableview with checkboxes in each cell
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
static NSString *MyIdentifier = #"MyIdentifier";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:MyIdentifier];
UIButton *disclosureButton = [UIButton buttonWithType:UIButtonTypeCustom];
[disclosureButton setFont:[UIFont fontWithName:#"Arial-BoldMT" size:12.0]];
[disclosureButton setBackgroundImage:[UIImage imageNamed:#"checkboxoff.png"] forState:UIControlStateNormal];
disclosureButton.tag = 0;
[disclosureButton setFrame:CGRectMake(0,0, 30,30)];
[disclosureButton addTarget:self action:#selector(select:event:) forControlEvents:UIControlEventTouchUpInside];
if (cell == nil)
{
cell = [[[UITableViewCell alloc] initWithFrame:CGRectZero reuseIdentifier:MyIdentifier] autorelease];
[cell setSelectionStyle:UITableViewCellSelectionStyleNone];
[cell.textLabel setUserInteractionEnabled:YES];
[cell setImage:[UIImage imageNamed:#"bluemappointer.png"]];
[cell setAccessoryView:disclosureButton];
}
else{
int n = indexPath.row;
if([selectedPlaces objectForKey:indexPath] != nil){
disclosureButton.tag = 1;
[disclosureButton setBackgroundImage:[UIImage imageNamed:#"checkboxon.png"] forState:UIControlStateNormal];
[cell setAccessoryView:disclosureButton];
}
else{
[disclosureButton setBackgroundImage:[UIImage imageNamed:#"checkboxoff.png"] forState:UIControlStateNormal];
disclosureButton.tag = 0;
[cell setAccessoryView:disclosureButton];
}
}
NSString *name = [tableData objectAtIndex:indexPath.row];
[cell.textLabel setText:name];
return cell;
}
I am trying to create a list of options with check boxes. I am using UITableView and adding custom type buttons to the table as checkboxes.
My code for cellForRowAtIndexPath method is pasted below:
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
static NSString *CellIdentifier = #"Cell";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil) {
cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease];
}
CGRect a=CGRectMake(0, 0, 310, 32);
UIImageView *aImg=[[UIImageView alloc] initWithFrame:a];
UIImageView *bImg=[[UIImageView alloc] initWithFrame:a];
aImg.image=[[[Resources getResources] getImageLoader] getMainMenuUnselectedImage];
bImg.image=[[[Resources getResources] getImageLoader] getLiveScoreSmallBg];
[aImg setContentMode:UIViewContentModeScaleToFill];
[bImg setContentMode:UIViewContentModeScaleToFill];
cell.backgroundView = [[UIView alloc] initWithFrame:a];
[cell.backgroundView addSubview:aImg];
cell.selectedBackgroundView=bImg;
cell.font = [UIFont boldSystemFontOfSize:16];
cell.selectedTextColor = [UIColor blackColor];
UIImage *checked = [UIImage imageNamed:#"check_filled.png"];
UIImage *unchecked = [UIImage imageNamed:#"check_empty.png"];
UIButton *button = [[UIButton buttonWithType:UIButtonTypeCustom] initWithFrame:CGRectMake(3, 3, 30, 30)];
[button addTarget:self action:#selector(buttonPressed) forControlEvents:UIControlEventTouchUpInside];
[button setImage: [UIImage imageNamed:#"check_filled.png"] forState: UIControlStateSelected];
[button setImage: [UIImage imageNamed:#"check_empty.png"] forState: UIControlStateNormal];
[button setEnabled:YES];
button.tag = indexPath.row;
[button setUserInteractionEnabled:YES];
[cell.contentView addSubview:button];
UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(40, 3, 250, 17)];
label.font = [UIFont boldSystemFontOfSize:15];
label.backgroundColor = [UIColor clearColor];
label.text = [teamsList objectAtIndex:indexPath.row];
[cell.contentView addSubview:label];
[button release];
[label release];
[aImg release];
[bImg release];
return cell;
}
The problem is that when I run the program, the screen appears without buttons. Also, when I click any row, the program crashes.
There're some problems with your code which may be not relevant to your problem, but still...
You create cell contents each time cell is reused - so if you scroll your table back and forth the reused cells will contain multiple identical subviews - that's not what you want. To fixed that you must move creating contents to the creating cell block:
if (cell == nil) {
cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease];
// Create cell contents here!
...
}
...
You must not release your button - since you create it with convenience method button is autoreleased
button = [[UIButton buttonWithType:UIButtonTypeCustom]
initWithFrame:CGRectMake(3, 3, 30, 30)];
This line may also cause problems:
[button addTarget:self action:#selector(buttonPressed) forControlEvents:UIControlEventTouchUpInside];
Here you set selector that receives no parameters. If your buttonPressed method declared is (most common way)
- (void) buttonPressed:(id)sender;
Then you must create selector as #selector(buttonPressed:) to indicate that it actually takes 1 parameter
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
{
static NSString *CellIdentifier = #"Cell";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil)
{
cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:CellIdentifier] autorelease];
}
int i=indexPath.row;
ibutton = [UIButton buttonWithType:UIButtonTypeRoundedRect];
[ibutton setTitle:#"i" forState:UIControlStateNormal];
ibutton.frame = CGRectMake(430.0,40.0,100.0,60.0);
[cell.contentView addSubview:ibutton];
[ibutton setTag:indexPath.row];
NSLog(#"the button tag is %d",ibutton.tag);
[ibutton addTarget:self action:#selector(detailSubView:) forControlEvents:UIControlEventTouchUpInside];
addbutton=[UIButton buttonWithType:UIButtonTypeRoundedRect];
[addbutton setTitle:#"add" forState:UIControlStateNormal];
addbutton.frame=CGRectMake(560, 40, 100, 60);
[addbutton setTag:indexPath.row];
[cell.contentView addSubview:addbutton];
[addbutton addTarget:self action:#selector(addclicked:) forControlEvents:UIControlEventTouchUpInside];
UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(350.0, 60.0, 50.0, 25.0)];
[label setBackgroundColor:[UIColor whiteColor]];
label.text=#"2.99$";
label.font = [UIFont boldSystemFontOfSize:18];
[cell.contentView addSubview:label];
[label release];
[cell.contentView addSubview:lab];
return cell;
}
-(IBAction)detailSubView:(id)sender{
NSLog(#"working in detail view");
UIButton *button = (UIButton *)sender;
NSLog(#"%d",button.tag);
a=button.tag;
NSLog(#"%d",a);
category1* B2 = [[category1 alloc] init];
UINavigationController *B2Nav = [[UINavigationController alloc] initWithRootViewController:B2];
B2Nav.modalTransitionStyle = UIModalTransitionStyleFlipHorizontal;
[self presentModalViewController:B2Nav animated:YES];
[B2 release];
[B2Nav release];
}
-(IBAction)addclicked:(id)sender{
UIButton *button = (UIButton *)sender;
NSLog(#"%d",button.tag);
a=button.tag;
}