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Added customizable options to the notification #6

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e02d0c4
Made the notification more customizable
jrock007 Feb 28, 2016
23b2ac7
Fixed duration bug
jrock007 Feb 28, 2016
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3 changes: 3 additions & 0 deletions ALToastView.h
100644 → 100755
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Original file line number Diff line number Diff line change
Expand Up @@ -32,5 +32,8 @@
}

+ (void)toastInView:(UIView *)parentView withText:(NSString *)text;
+ (void)toastInView:(UIView *)parentView withText:(NSString *)text andBackgroundColor:(UIColor *)backgroundColor;
+ (void)toastInView:(UIView *)parentView withText:(NSString *)text andDuration:(int)duration;
+ (void)toastInView:(UIView *)parentView withText:(NSString *)text andBackgroundColor:(UIColor *)backgroundColor andDuration:(int)duration;

@end
224 changes: 140 additions & 84 deletions ALToastView.m
100644 → 100755
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Original file line number Diff line number Diff line change
Expand Up @@ -27,9 +27,16 @@
#import "ALToastView.h"


// Set visibility duration
// Set default visibility duration
static const CGFloat kDuration = 2;

// Set default font size
static const int fontSize = 16;

// Set default padding arround the label
static const int leftPadding = 10;
static const int topPadding = 5;
static const int distanceToBottom = 40;

// Static toastview queue variable
static NSMutableArray *toasts;
Expand All @@ -41,9 +48,11 @@
@interface ALToastView ()

@property (nonatomic, readonly) UILabel *textLabel;
@property (nonatomic) int duration;
@property (nonatomic) UIView *parentView;

- (void)fadeToastOut;
+ (void)nextToastInView:(UIView *)parentView;
+ (void)nextToastInView:(UIView *)parentView withDuration:(int)duration;

@end

Expand All @@ -53,114 +62,161 @@ + (void)nextToastInView:(UIView *)parentView;

@implementation ALToastView

@synthesize textLabel = _textLabel;
@synthesize textLabel = _textLabel, duration = _duration;


////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
#pragma mark - NSObject

- (id)initWithText:(NSString *)text {
if ((self = [self initWithFrame:CGRectZero])) {
// Add corner radius
self.backgroundColor = [UIColor colorWithRed:0 green:0 blue:0 alpha:.6];
self.layer.cornerRadius = 5;
self.autoresizingMask = UIViewAutoresizingNone;
self.autoresizesSubviews = NO;

// Init and add label
_textLabel = [[UILabel alloc] init];
_textLabel.text = text;
_textLabel.minimumFontSize = 14;
_textLabel.font = [UIFont systemFontOfSize:14];
_textLabel.textColor = [UIColor whiteColor];
_textLabel.adjustsFontSizeToFitWidth = NO;
_textLabel.backgroundColor = [UIColor clearColor];
[_textLabel sizeToFit];

[self addSubview:_textLabel];
_textLabel.frame = CGRectOffset(_textLabel.frame, 10, 5);
}

return self;
- (id)initWithText:(NSString *)text andParentView:(UIView *)parentView {
if ((self = [self initWithFrame:CGRectZero])) {
self.parentView = parentView;

// Add corner radius
self.backgroundColor = [UIColor colorWithRed:0 green:0 blue:0 alpha:.6];
self.layer.cornerRadius = 5;
self.autoresizingMask = UIViewAutoresizingNone;
self.autoresizesSubviews = NO;

// Compute the label's size
NSAttributedString *attributedText = [[NSAttributedString alloc] initWithString:text attributes:@{NSFontAttributeName: [UIFont systemFontOfSize:fontSize]}];
CGRect rect = [attributedText boundingRectWithSize:(CGSize){self.parentView.bounds.size.width - 2 * leftPadding, self.parentView.bounds.size.height / 2}
options:NSStringDrawingUsesLineFragmentOrigin
context:nil];

// Init and add label
_textLabel = [[UILabel alloc] initWithFrame:rect];
_textLabel.text = text;
_textLabel.font = [UIFont systemFontOfSize:fontSize];
_textLabel.minimumScaleFactor = 12.0/16.0;
_textLabel.textColor = [UIColor whiteColor];
_textLabel.adjustsFontSizeToFitWidth = YES;
_textLabel.backgroundColor = [UIColor clearColor];
_textLabel.numberOfLines = 3;

self.duration = kDuration;

[self addSubview:_textLabel];
_textLabel.frame = CGRectOffset(_textLabel.frame, leftPadding, topPadding);

[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(orientationChanged:) name:UIDeviceOrientationDidChangeNotification object:nil];
}

return self;
}


- (void)dealloc {
[_textLabel release];

[super dealloc];
[_textLabel release];
[super dealloc];
}


////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
#pragma mark - Public

+ (void)toastInView:(UIView *)parentView withText:(NSString *)text {
// Add new instance to queue
ALToastView *view = [[ALToastView alloc] initWithText:text];

CGFloat lWidth = view.textLabel.frame.size.width;
CGFloat lHeight = view.textLabel.frame.size.height;
CGFloat pWidth = parentView.frame.size.width;
CGFloat pHeight = parentView.frame.size.height;

// Change toastview frame
view.frame = CGRectMake((pWidth - lWidth - 20) / 2., pHeight - lHeight - 60, lWidth + 20, lHeight + 10);
view.alpha = 0.0f;

if (toasts == nil) {
toasts = [[NSMutableArray alloc] initWithCapacity:1];
[toasts addObject:view];
[ALToastView nextToastInView:parentView];
}
else {
[toasts addObject:view];
}

[view release];
[ALToastView toastInView:parentView withText:text andBackgroundColor:nil andDuration:kDuration];
}

+ (void)toastInView:(UIView *)parentView withText:(NSString *)text andBackgroundColor:(UIColor *)backgroundColor {
[ALToastView toastInView:parentView withText:text andBackgroundColor:backgroundColor andDuration:kDuration];
}

+ (void)toastInView:(UIView *)parentView withText:(NSString *)text andDuration:(int)duration {
[ALToastView toastInView:parentView withText:text andBackgroundColor:nil andDuration:duration];
}

+ (void)toastInView:(UIView *)parentView withText:(NSString *)text andBackgroundColor:(UIColor *)backgroundColor andDuration:(int)duration {
// Add new instance to queue
ALToastView *view = [[ALToastView alloc] initWithText:text andParentView:parentView];

if (backgroundColor) {
view.backgroundColor = backgroundColor;
}

if (duration != kDuration) {
view.duration = duration;
}

CGFloat lWidth = view.textLabel.frame.size.width;
CGFloat lHeight = view.textLabel.frame.size.height;
CGFloat pWidth = parentView.frame.size.width;
CGFloat pHeight = parentView.frame.size.height;

// Change toastview frame
view.frame = CGRectMake((pWidth - lWidth - 2 * leftPadding) / 2., pHeight - lHeight - distanceToBottom, lWidth + 2 * leftPadding, lHeight + 2 * topPadding);
view.alpha = 0.0f;

if (toasts == nil) {
toasts = [[NSMutableArray alloc] initWithCapacity:1];
[toasts addObject:view];
[ALToastView nextToastInView:parentView withDuration:duration];
}
else {
[toasts addObject:view];
}

[view release];
}


////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
#pragma mark - Private

- (void)fadeToastOut {
// Fade in parent view
[UIView animateWithDuration:0.3 delay:0 options:UIViewAnimationOptionAllowUserInteraction

animations:^{
self.alpha = 0.f;
}
completion:^(BOOL finished){
UIView *parentView = self.superview;
[self removeFromSuperview];

// Remove current view from array
[toasts removeObject:self];
if ([toasts count] == 0) {
[toasts release];
toasts = nil;
}
else
[ALToastView nextToastInView:parentView];
}];
- (void)orientationChanged:(NSNotification *)notification {
[self adjustViewsForOrientation:[[UIApplication sharedApplication] statusBarOrientation]];
}

- (void) adjustViewsForOrientation:(UIInterfaceOrientation) orientation {
for (ALToastView *view in toasts) {
// Update all toast view's frames
CGFloat lWidth = view.textLabel.frame.size.width;
CGFloat lHeight = view.textLabel.frame.size.height;
CGFloat pWidth = view.parentView.frame.size.width;
CGFloat pHeight = view.parentView.frame.size.height;

view.frame = CGRectMake((pWidth - lWidth - 2 * leftPadding) / 2., pHeight - lHeight - distanceToBottom, lWidth + 2 * leftPadding, lHeight + 2 * topPadding);
}
}

+ (void)nextToastInView:(UIView *)parentView {
if ([toasts count] > 0) {
ALToastView *view = [toasts objectAtIndex:0];

// Fade into parent view
[parentView addSubview:view];
[UIView animateWithDuration:.5 delay:0 options:UIViewAnimationOptionAllowUserInteraction
- (void)fadeToastOut {
// Fade in parent view
[UIView animateWithDuration:0.3 delay:0 options:UIViewAnimationOptionAllowUserInteraction

animations:^{
view.alpha = 1.0;
} completion:^(BOOL finished){}];

// Start timer for fade out
[view performSelector:@selector(fadeToastOut) withObject:nil afterDelay:kDuration];
}
self.alpha = 0.f;
}
completion:^(BOOL finished){
UIView *parentView = self.superview;
[self removeFromSuperview];

// Remove current view from array
[toasts removeObject:self];
if ([toasts count] == 0) {
[toasts release];
toasts = nil;
}
else
[ALToastView nextToastInView:parentView withDuration:[(ALToastView *)[toasts objectAtIndex:0] duration]];
}];
}

+ (void)nextToastInView:(UIView *)parentView withDuration:(int)duration {
if ([toasts count] > 0) {
ALToastView *view = [toasts objectAtIndex:0];

// Fade into parent view
[parentView addSubview:view];
[UIView animateWithDuration:.5 delay:0 options:UIViewAnimationOptionAllowUserInteraction
animations:^{
view.alpha = 1.0;
} completion:^(BOOL finished){}];

// Start timer for fade out
[view performSelector:@selector(fadeToastOut) withObject:nil afterDelay:duration];
}
}

@end