EMIndicatorExampleViewController.m
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//
// EMIndicatorExampleViewController.m
// Indicator Example
//
// Created by Dexter Weiss on 10/15/13.
// Copyright (c) 2013 Emmoco. All rights reserved.
//
#import "EMIndicatorExampleViewController.h"
#import "EMFramework.h"
@interface EMIndicatorExampleViewController () {
IBOutlet UISegmentedControl *_segmentedControl;
IBOutlet UILabel *_indicatorLabel;
NSTimer *_fadeTimer;
}
@end
@implementation EMIndicatorExampleViewController
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
// Custom initialization
}
return self;
}
- (void)viewDidLoad
{
[super viewDidLoad];
[self setTitle:[[[EMConnectionManager sharedManager] connectedDevice] name]];
[[EMConnectionManager sharedManager] readResource:@"eventSelector" onSuccess:^(id readValue) {
[self _updateSegmentedControlSelectedIndex:readValue];
} onFail:^(NSError *error) {
NSLog(@"%@", [error localizedDescription]);
}];
[_indicatorLabel setAlpha:0.0f];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(didReceiveNotification:) name:kEMConnectionDidReceiveIndicatorNotificationName object:nil];
}
-(void)didReceiveNotification:(NSNotification *)notification {
id notificationValue = [[notification userInfo] objectForKey:kEMIndicatorResourceValueKey];
NSString *resourceName = [[notification userInfo] objectForKey:kEMIndicatorNameKey];
NSString *indicatorString = [NSString stringWithFormat:@"%@ indicator received\nValue: %@", resourceName, [notificationValue stringValue]];
[_indicatorLabel setAlpha:0.0f];
[_indicatorLabel setText:indicatorString];
[UIView animateWithDuration:0.2 animations:^{
[_indicatorLabel setAlpha:1.0f];
} completion:^(BOOL finished) {
[self _startLabelTimer];
}];
}
-(void)_startLabelTimer {
[_fadeTimer invalidate];
_fadeTimer = [NSTimer timerWithTimeInterval:3.0f target:self selector:@selector(fadeLabel) userInfo:nil repeats:NO];
[[NSRunLoop currentRunLoop] addTimer:_fadeTimer forMode:NSDefaultRunLoopMode];
}
-(void)fadeLabel {
[_fadeTimer invalidate];
[UIView animateWithDuration:0.3 animations:^{
[_indicatorLabel setAlpha:0.0f];
}];
}
-(void)_updateSegmentedControlSelectedIndex:(NSString *)eventValue {
if ([eventValue isEqualToString:@"NONE"]) {
[_segmentedControl setSelectedSegmentIndex:0];
}
else if ([eventValue isEqualToString:@"VOID_EVENT"]) {
[_segmentedControl setSelectedSegmentIndex:1];
}
else if ([eventValue isEqualToString:@"UINT8_EVENT"]) {
[_segmentedControl setSelectedSegmentIndex:2];
}
else if ([eventValue isEqualToString:@"INT32_EVENT"]) {
[_segmentedControl setSelectedSegmentIndex:3];
}
}
#pragma mark - Interface actions
-(IBAction)segmentedControlDidChange:(UISegmentedControl *)sender {
NSString *indicatorType = nil;
switch ([sender selectedSegmentIndex]) {
case 0:
indicatorType = @"NONE";
break;
case 1:
indicatorType = @"VOID_EVENT";
break;
case 2:
indicatorType = @"UINT8_EVENT";
break;
case 3:
indicatorType = @"INT32_EVENT";
break;
}
[[EMConnectionManager sharedManager] writeValue:indicatorType toResource:@"eventSelector" onSuccess:^{
NSLog(@"Successfully wrote event type");
} onFail:^(NSError *error) {
NSLog(@"%@", [error localizedDescription]);
}];
}
@end