EMDevicePickerViewController.m
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//
// EMDevicePickerViewController.m
// TestAppExample
//
// Created by Dexter Weiss on 10/10/13.
// Copyright (c) 2013 Emmoco. All rights reserved.
//
#import "EMDevicePickerViewController.h"
#import "EMFramework.h"
#import <QuartzCore/QuartzCore.h>
@interface EMDevicePickerViewController ()
@property (nonatomic, strong) IBOutlet UIView *connectingView;
@property (nonatomic, strong) IBOutlet UIActivityIndicatorView *activityIndicator;
@property (nonatomic, strong) IBOutlet UIView *popoverView;
@end
@implementation EMDevicePickerViewController
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
// Custom initialization
}
return self;
}
- (void)viewDidLoad
{
[super viewDidLoad];
[[NSBundle mainBundle] loadNibNamed:@"EMConnectingView" owner:self options:nil];
[[[self popoverView] layer] setCornerRadius:10.0f];
[[self connectingView] setHidden:YES];
[[self connectingView] setFrame:[[self view] bounds]];
[[self view] addSubview:[self connectingView]];
[[EMConnectionListManager sharedManager] addObserver:self forKeyPath:@"devices" options:0 context:NULL];
}
-(void)_showConnectingView {
[[self activityIndicator] startAnimating];
[[self connectingView] setHidden:NO];
}
-(void)_hideConnectingView {
[[self activityIndicator] stopAnimating];
[[self connectingView] setHidden:YES];
}
-(void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context {
if (object == [EMConnectionListManager sharedManager]) {
[[self tableView] reloadData];
}
}
#pragma mark - Table View Methods
-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
return 1;
}
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
return MAX([[[EMConnectionListManager sharedManager] devices] count], 1);
}
-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
UITableViewCell *deviceCell = [tableView dequeueReusableCellWithIdentifier:@"DeviceCell"];
[[deviceCell detailTextLabel] setTextColor:[UIColor darkGrayColor]];
EMDeviceBasicDescription *description = nil;
if ([indexPath row] < [[[EMConnectionListManager sharedManager] devices] count]) {
description = [[[EMConnectionListManager sharedManager] devices] objectAtIndex:[indexPath row]];
}
if (description) {
[[deviceCell textLabel] setText:[description name]];
[[deviceCell detailTextLabel] setText:[NSString stringWithFormat:@"Signal Strength: %0.0f", [description signalStrength]]];
}
else {
[[deviceCell textLabel] setText:NSLocalizedString(@"Searching for devices...", @"No devices found string")];
[[deviceCell detailTextLabel] setText:nil];
}
return deviceCell;
}
-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
[self _showConnectingView];
EMDeviceBasicDescription *description = [[[EMConnectionListManager sharedManager] devices] objectAtIndex:[indexPath row]];
[[EMConnectionManager sharedManager] connectDevice:description onSuccess:^{
[self _hideConnectingView];
[self performSegueWithIdentifier:@"ConnectionSegue" sender:self];
} onFail:^(NSError *error) {
[self _hideConnectingView];
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"Connection Failed", @"Alert title") message:NSLocalizedString(@"An error occurred while trying to connect to the selected device", @"Alert message") delegate:nil cancelButtonTitle:NSLocalizedString(@"Close", @"Close button") otherButtonTitles:nil];
[alert show];
}];
}
@end