[](https://travis-ci.org/Pavel Katunin/DownloadButton)
Customizable appstore style download button.
Customizable designable components. Editing with IB.
To run the example project, clone the repo, and run pod install from the Example directory first.
Check example project to see usage.
#import <DownloadButton/PKDownloadButton.h>Usage for representing network operations:
#pragma mark - PKDownloadButtonDelegate
- (void)downloadButtonTapped:(PKDownloadButton *)downloadButton
currentState:(PKDownloadButtonState)state {
switch (state) {
case kPKDownloadButtonState_StartDownload:
self.downloadButton.state = kPKDownloadButtonState_Pending;
[self.pendingSimulator startDownload];
break;
case kPKDownloadButtonState_Pending:
[self.pendingSimulator cancelDownload];
self.downloadButton.state = kPKDownloadButtonState_StartDownload;
break;
case kPKDownloadButtonState_Downloading:
[self.downloaderSimulator cancelDownload];
self.downloadButton.state = kPKDownloadButtonState_StartDownload;
break;
case kPKDownloadButtonState_Downloaded:
self.downloadButton.state = kPKDownloadButtonState_StartDownload;
self.imageView.hidden = YES;
break;
default:
NSAssert(NO, @"unsupported state");
break;
}
}
#pragma mark - DownloaderSimulatorDelegate
- (void)simulator:(PKDownloaderSimulator *)simulator didUpdateProgress:(double)progress {
if (simulator == self.pendingSimulator) {
if (progress == 1.) {
self.downloadButton.state = kPKDownloadButtonState_Downloading;
[self.downloaderSimulator startDownload];
}
}
else if (simulator == self.downloaderSimulator) {
self.downloadButton.stopDownloadButton.progress = progress;
if (progress == 1) {
self.downloadButton.state = kPKDownloadButtonState_Downloaded;
self.imageView.hidden = NO;
}
}
}Appearance customization:
#import "UIImage+PKDownloadButton.h"
#import "UIButton+PKDownloadButton.h"
[self.downloadButton.downloadedButton cleanDefaultAppearance];
[self.downloadButton.downloadedButton setBackgroundImage:[UIImage buttonBackgroundWithColor:[UIColor redColor]]
forState:UIControlStateNormal];
[self.downloadButton.downloadedButton setBackgroundImage:[UIImage highlitedButtonBackgroundWithColor:[UIColor redColor]]
forState:UIControlStateHighlighted];
[self.downloadButton.downloadedButton setTitle:@"delete" forState:UIControlStateNormal];
[self.downloadButton.downloadedButton setTitleColor:[UIColor redColor] forState:UIControlStateNormal];
[self.downloadButton.downloadedButton setTitleColor:[UIColor whiteColor] forState:UIControlStateHighlighted];
self.downloadButton.stopDownloadButton.tintColor = [UIColor blackColor];
self.downloadButton.stopDownloadButton.filledLineStyleOuter = YES;
self.downloadButton.pendingView.tintColor = [UIColor orangeColor];
self.downloadButton.pendingView.radius = 24.f;
self.downloadButton.pendingView.emptyLineRadians = 2.f;
self.downloadButton.pendingView.spinTime = 3.f;
[self.downloadButton.startDownloadButton cleanDefaultAppearance];
[self.downloadButton.startDownloadButton setImage:[UIImage imageNamed:@"download_default"] forState:UIControlStateNormal];
Requires iOS SDK version > 8.0
DownloadButton is available through CocoaPods. To install it, simply add the following line to your Podfile:
pod "DownloadButton"Pavel Katunin, wk.katunin@gmail.com
DownloadButton is available under the Apache License, Version 2.0. See the LICENSE file for more info.