从Plist设置UILabel文本？

Question

我成功地将我的plist数组和字典加载到我的表中.我想在练习的详细视图中将exerciseName值设置为UILabel.

<array>
<dict>
    <key>exercises</key>
    <array>
        <dict>
            <key>exerciseDetail</key>
            <string></string>
            <key>exerciseName</key>
            <string>Ab Crunch Machine</string>
        </dict>
        <dict>
            <key>exerciseDetail</key>
            <string></string>
            <key>exerciseName</key>
            <string>Ab Roller</string>
        </dict>
    </array>
    <key>muscleName</key>
    <string>Abdominals</string>
</dict>

练习细节现在是空白的,但最终会在相同练习的详细视图中加载UILabel或UITextView.

我猜我需要做一些事情

label.text =[[self.exerciseArray objectAtIndex:indexPath.row]objectForKey:@"exercises"];

编辑:

对于我的exerciseViewController didSelectIndexAtRow我有:

NSUserDefaults *def = [NSUserDefaults standardUserDefaults];
    [def setObject:exerciseArray forKey:@"exercises"];
    [def setValue:[NSString stringWithFormat:@"%d",indexPath.row] forKey:@"exercises"];

对于detailViewController的ViewDidLoad,我有:viewDidLoad for exerciseDetailView

 self.navigationItem.title = @"Exercise Detail"; 

NSMutableArray *exerciseDetailArray = [[[NSUserDefaults alloc] objectForKey:@"exercises"] mutableCopy];

int indexValue = [[[NSUserDefaults alloc] valueForKey:@"exercises"] intValue];

name.text =[[exerciseDetailArray objectAtIndex:indexValue] objectForKey:@"exerciseName"];

控制台输出:

2011-03-19 22:52:08.279 Curl[32300:207] exercisedetalarray: (
    {
    exerciseDetail = "";
    exerciseName = "Ab Crunch Machine";
},
    {
    exerciseDetail = "";
    exerciseName = "Ab Roller";
},
    {
    exerciseDetail = "";
    exerciseName = "Advanced Kettlebell Windmill";
},
    {
    exerciseName = "Air Bike";
},
    {
    exerciseName = "Alternate Heel Touchers";
},
    {
    exerciseName = "Barbell Ab Rollout";
},
    {
    exerciseName = "Barbell Side Bend";
},
    {
    exerciseName = "Bent Press";
},
    {
    exerciseName = "Bent-Knee Hip Raise";
},
    {
    exerciseName = "Butt-Ups";
},
    {
    exerciseName = "Cable Crunch";
}

)

2011-03-19 22:52:08.280 Curl[32300:207] index value: 0

使用MaserView NSDefault代码进行编辑:

NSUserDefaults *def = [NSUserDefaults standardUserDefaults];
[def setObject:exerciseArray forKey:@"InfoArray"];
[def setValue:[NSString stringWithFormat:@"%d",indexPath.row] forKey:@"indexVal"];

使用detailView NSUserDefaults代码进行编辑:

-(void)viewWillAppear:(BOOL)animated
{    
    NSMutableArray *exerciseDetailArray = [[[NSUserDefaults alloc] objectForKey:@"InfoArray"] mutableCopy];

    int indexValue = [[[NSUserDefaults alloc] valueForKey:@"indexVal"] intValue];

    name.text =[[exerciseDetailArray objectAtIndex:indexValue] objectForKey:@"exerciseName"];
}

Answer 1

@Faisal:

查看您的代码,我认为您的标签位于tableView下,因为您正在使用indexPath.row索引数组

你的想法看起来很正确.

步骤1:

从plist中检索数据到您的数组(Plist - > Array)

让我们说如果您的plist名称是Exercise.plist,那么您可以使用以下代码将您的数据检索到plist

NSString* plistPath = [[NSBundle mainBundle] pathForResource:@"Exercise" ofType:@"plist"];
exerciseArray = [NSArray arrayWithContentsOfFile:plistPath];

第2步:

从数组中获取数据到标签的文本(数组 - >标签文本)

然后使用下面的代码从数组值中设置UILabel的文本

label.text =[[exerciseArray objectAtIndex:indexPath.row]objectForKey:@"exercises"];

注意:

要在masterView和detailView之间使用相同的数组,可以在masterView didSelectRowAtIndexPath中的NSUserDefaults中设置数组,并在detailView中检索相同的数组.

您可以使用以下代码执行此操作:

在masterView on didSelectRowAtIndexPath方法中:

NSUserDefaults *def = [NSUserDefaults standardUserDefaults];
[def setObject:exerciseArray forKey:@"InfoArray"];
[def setValue:[NSString stringWithFormat:@"%d",indexPath.row] forKey:@"indexVal"];

您可以使用以下代码在detailView中检索该数组:

NSMutableArray *exerciseDetailArray = [[[NSUserDefaults standardUserDefaults] objectForKey:@"InfoArray"] mutableCopy];

int indexValue = [[[NSUserDefaults standardUserDefaults] valueForKey:@"indexVal"] intValue];

label.text =[[exerciseDetailArray objectAtIndex:indexValue] objectForKey:@"exercises"]; 

要么

NSArray *exerciseDetailArray = [[NSArray alloc] initWithContentsOfArray:[[NSUserDefaults alloc] objectForKey:@"InfoArray"]];

int indexValue = [[[NSUserDefaults standardUserDefaults] valueForKey:@"indexVal"] intValue];

label.text =[[exerciseDetailArray objectAtIndex:indexValue] objectForKey:@"exercises"]; 

希望这可以帮助你:)

最终编辑:

didSelectRowAtIndexPath:用下面的方法替换你的方法SpecificExerciseTableViewController.m

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
    // Navigation logic may go here. Create and push another view controller.

     DetailViewController *detailViewController = [[DetailViewController alloc] initWithNibName:@"DetailViewController" bundle:nil];
     detailViewController.exerciseArray = [[self.exerciseArray objectAtIndex:indexPath.row]objectForKey:@"exercises"];
     // Pass the selected object to the new view controller.


    NSUserDefaults *def = [NSUserDefaults standardUserDefaults];
    [def setObject:exerciseArray forKey:@"InfoArray"];
    [def setValue:[NSString stringWithFormat:@"%d",indexPath.row] forKey:@"indexVal"];
    NSLog(@"Index inexpath:%d",indexPath.row);
    int indexValue = [[[NSUserDefaults standardUserDefaults] valueForKey:@"indexVal"] intValue];
    NSLog(@"index value master view: %d",indexValue);

    [self.navigationController pushViewController:detailViewController animated:YES];
    [detailViewController release];

}

这肯定会工作:)