我正在创建一个小游戏与一个界面是非常相似的4图片1字。目前的设置如下:用户随机生成一个7个字母的单词。有一个数组,它接受这7个字母,然后在12个编程创建的UIButtons中随机填充其他字母:
for (int i=0; i< buttonCount; i++) {
int xpositiong = x + 37;
x = xpositiong;
isSeven ++;
restAt7 ++;
NSString *stringFromInt = [NSString stringWithFormat:@"%@",[arrayForRound objectAtIndex:i]];
UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
[button addTarget:self
action:@selector(buttonSelected:)
forControlEvents:UIControlEventTouchDown];
[button setTitle:stringFromInt forState:UIControlStateNormal];
button.titleLabel.font = [UIFont fontWithName:@"helvetica" size:19];
button.tag = i+10;
_letterButton = button;
if (restAt7 == 7) {
x = 47;
}
if (isSeven <= 6) {
button.frame = CGRectMake(x,333,40,40);
}
else
{
button.frame = CGRectMake(x,370,40,40);
}
[self.view addSubview:button];
}还有第二个领域的按钮,但这些是静态的,构成为“单词”。当这12个字母中的一个被选中时,它将接受所选按钮的标签,并填充相应的"word“按钮之一。
-(void)buttonSelected : (UIButton *)sender
{
NSLog(@"sender %i", sender.tag);
UIButton *button = (UIButton *)[self.view viewWithTag:sender.tag];
button.hidden = YES;
if ([_buttonOne.titleLabel.text isEqualToString: @" "]) {
// NSLog(@"button is nil");
[_buttonOne setTitle:sender.titleLabel.text forState:UIControlStateNormal];
[_buttonOne setTag:button.tag];
}
else if ([_buttonTwo.titleLabel.text isEqualToString:@" "])
{
[_buttonTwo setTitle:sender.titleLabel.text forState:UIControlStateNormal];
}
else if ([_buttonThree.titleLabel.text isEqualToString:@" "])
{
[_buttonThree setTitle:sender.titleLabel.text forState:UIControlStateNormal];
}
else if ([_buttonFour.titleLabel.text isEqualToString:@" "])
{
[_buttonFour setTitle:sender.titleLabel.text forState:UIControlStateNormal];
}
else if ([_buttonFive.titleLabel.text isEqualToString:@" "])
{
[_buttonFive setTitle:sender.titleLabel.text forState:UIControlStateNormal];
}
else if ([_buttonSix.titleLabel.text isEqualToString:@" "])
{
[_buttonSix setTitle:sender.titleLabel.text forState:UIControlStateNormal];
}
else if ([_buttonSeven.titleLabel.text isEqualToString:@" "])
{
[_buttonSeven setTitle:sender.titleLabel.text forState:UIControlStateNormal];
} }


正确的!这是我的问题。如果用户决定他们选择了错误的字母,并希望删除该字母,他们可以按其中的7个按钮之一,以删除该字母。然而,我不知道如何隐藏相应的按钮,它原来是用字母填充的.
我确信这与保留所选按钮的标签有关,但是,因为这7个按钮中的每一个都分配了标记,我不知道该如何做。
编辑:
我会贴出行之有效的解决方案。此外,所有函数都用循环重写。
-(void)buttonSelected : (UIButton *)sender
{
NSLog(@"sender %i", sender.tag);
UIButton *button = (UIButton *)[self.view viewWithTag:sender.tag];
button.hidden = YES;
for (int i = 0; i < _wordButtonsArray.count; i ++) {
UIButton *selectedButton = [_wordButtonsArray objectAtIndex:i];
if ([selectedButton.titleLabel.text isEqualToString:@" "]) {
[selectedButton setTitle:sender.titleLabel.text forState:UIControlStateNormal];
[selectedButton setTag:button.tag];
return;
}
}
[self checkIfAnswerIsFinished:sender];
}
- (IBAction)clearButton:(id)sender
{
UIButton *button = (UIButton *)[self.view viewWithTag:[sender tag]];
button.hidden = NO;
for (int i = 0; i < _wordButtonsArray.count; i ++) {
if (button == [_wordButtonsArray objectAtIndex:i]) {
[button setTitle:@" " forState:UIControlStateNormal];
for (int letterButtonsIndex = 0; letterButtonsIndex < _letterButtonsArray.count; letterButtonsIndex++) {
UIButton *letterButton = [_letterButtonsArray objectAtIndex:letterButtonsIndex];
if (button.tag == letterButton.tag) {
button.tag = i;
letterButton.hidden = NO;
}
}
}
}
}就像一种魅力!
发布于 2013-09-05 23:50:30
我可以想出几种方法来完成这个任务。
解决方案1:
将12个按钮(底部部分)添加到NSArray中,以便当用户按下7个按钮(顶部)中的一个按钮时,您可以遍历该数组并比较标题。就像这样:
for (UIButton *button in buttonsArray) {
NSString *buttonTitle = [button titleForState:UIControlStateNormal];
// I'm assuming here that you already have the touched button tile
if ([buttonTitle isEqualToString:touchedButtonTitle]) {
button.hidden = NO;
}
}解决方案2:
创建一个由7个元素组成的数组,在该数组中,您可以将"word“按钮与字母按钮的标记相匹配。就像这样:
-(void)buttonSelected : (UIButton *)sender
{
NSLog(@"sender %i", sender.tag);
UIButton *button = (UIButton *)[self.view viewWithTag:sender.tag];
button.hidden = YES;
if ([_buttonOne.titleLabel.text isEqualToString: @" "]) {
// NSLog(@"button is nil");
[_buttonOne setTitle:sender.titleLabel.text forState:UIControlStateNormal];
[_buttonOne setTag:button.tag];
// you know this is object One. Insert tag at position zero (arrays are zero-based)
self.topButtonsArray insertObject:[NSNumber numberWithInt:sender.tag] atIndex:0];
}
.
.
.希望这能有所帮助!
https://stackoverflow.com/questions/18647419
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