</pre><span style="font-size:18px">參照網上查閱的一些資料對第三方類庫MBProgressHUD的多種樣式的簡單整合!</span><p></p><p><span style="font-size:18px">在你所需要的工程裏面導入<span style="color:rgb(232,35,0); font-family:Menlo">MBProgressHUD.h和MBProgressHUD.m兩個文件</span></span></p><p><span style="font-size:18px">首先要初始化生成一個HUD的同時選擇添加到你所需要的視圖上面</span></p><p></p><pre name="code" class="objc">MBProgressHUD *HUD = [[MBProgressHUD alloc] initWithView:self.view];
[self.view addSubview:HUD];
選擇需要對HUD的一些基本屬性進行操作修改
其中HUD.mode是選擇HUD樣式(具體樣式參考代碼實現效果)
HUD.labelText = @"正在努力加載中...";
HUD.detailsLabelText = @"loading...";//
HUD.color = [UIColor colorWithRed:0.22 green:0.50 blue:0.75 alpha:0.68];//設置整個HUD背景色
HUD.square = YES;//設置HUD是否方形顯示[HUD showWhileExecuting:@selector(myProgressTask) onTarget:self withObject:nil animated:YES];要想實現MBPreogressHUD協議裏面的東西對HUD添加代理delegate即可
//
// HudDemoViewController.m
// HudDemo
//
// Created by Matej Bukovinski on 30.9.09.
// Copyright bukovinski.com 2009. All rights reserved.
//
#import "HudDemoViewController.h"
#import "MBProgressHUD.h"
#import <unistd.h>
#define SCREENSHOT_MODE 0
#ifndef kCFCoreFoundationVersionNumber_iOS_8_0
#define kCFCoreFoundationVersionNumber_iOS_7_0 847.20
#endif
@interface HudDemoViewController () <MBProgressHUDDelegate> {
MBProgressHUD *HUD;
long long expectedLength;
long long currentLength;
}
@property (retain, nonatomic) IBOutletCollection(UIButton) NSArray *buttons;
@end
@implementation HudDemoViewController
#pragma mark - Lifecycle methods
- (void)viewDidLoad {
UIView *content = [[self.view subviews] objectAtIndex:0];
#if SCREENSHOT_MODE
[content.subviews makeObjectsPerformSelector:@selector(removeFromSuperview)];
#endif
if (kCFCoreFoundationVersionNumber >= kCFCoreFoundationVersionNumber_iOS_7_0) {
[self.buttons setValue:@5.f forKeyPath:@"layer.cornerRadius"];
} else {
[self.buttons setValue:nil forKey:@"backgroundColor"];
}
((UIScrollView *)self.view).contentSize = content.bounds.size;
}
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
return YES;
}
- (void)didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation {
UIView *content = [[self.view subviews] objectAtIndex:0];
((UIScrollView *)self.view).contentSize = content.bounds.size;
}
- (void)dealloc {
[_buttons release];
[super dealloc];
}
#pragma mark - Actions
- (IBAction)showSimple:(id)sender {
// The hud will dispable all input on the view (use the higest view possible in the view hierarchy)
HUD = [[MBProgressHUD alloc] initWithView:self.navigationController.view];
[self.navigationController.view addSubview:HUD];
// Regiser for HUD callbacks so we can remove it from the window at the right time
HUD.delegate = self;
// Show the HUD while the provided method executes in a new thread
[HUD showWhileExecuting:@selector(myTask) onTarget:self withObject:nil animated:YES];
}
- (IBAction)showWithLabel:(id)sender {
HUD = [[MBProgressHUD alloc] initWithView:self.navigationController.view];
[self.navigationController.view addSubview:HUD];
HUD.delegate = self;
HUD.labelText = @"Loading";
[HUD showWhileExecuting:@selector(myTask) onTarget:self withObject:nil animated:YES];
}
- (IBAction)showWithDetailsLabel:(id)sender {
HUD = [[MBProgressHUD alloc] initWithView:self.navigationController.view];
[self.navigationController.view addSubview:HUD];
HUD.delegate = self;
HUD.labelText = @"Loading";
HUD.detailsLabelText = @"updating data";
HUD.square = YES;
[HUD showWhileExecuting:@selector(myTask) onTarget:self withObject:nil animated:YES];
}
- (IBAction)showWithLabelDeterminate:(id)sender {
HUD = [[MBProgressHUD alloc] initWithView:self.navigationController.view];
[self.navigationController.view addSubview:HUD];
// Set determinate mode
HUD.mode = MBProgressHUDModeDeterminate;
HUD.delegate = self;
HUD.labelText = @"Loading";
// myProgressTask uses the HUD instance to update progress
[HUD showWhileExecuting:@selector(myProgressTask) onTarget:self withObject:nil animated:YES];
}
- (IBAction)showWIthLabelAnnularDeterminate:(id)sender {
HUD = [[MBProgressHUD alloc] initWithView:self.navigationController.view];
[self.navigationController.view addSubview:HUD];
// Set determinate mode
HUD.mode = MBProgressHUDModeAnnularDeterminate;
HUD.delegate = self;
HUD.labelText = @"Loading";
// myProgressTask uses the HUD instance to update progress
[HUD showWhileExecuting:@selector(myProgressTask) onTarget:self withObject:nil animated:YES];
}
- (IBAction)showWithLabelDeterminateHorizontalBar:(id)sender {
HUD = [[MBProgressHUD alloc] initWithView:self.navigationController.view];
[self.navigationController.view addSubview:HUD];
// Set determinate bar mode
HUD.mode = MBProgressHUDModeDeterminateHorizontalBar;
HUD.delegate = self;
// myProgressTask uses the HUD instance to update progress
[HUD showWhileExecuting:@selector(myProgressTask) onTarget:self withObject:nil animated:YES];
}
- (IBAction)showWithCustomView:(id)sender {
HUD = [[MBProgressHUD alloc] initWithView:self.navigationController.view];
[self.navigationController.view addSubview:HUD];
// The sample image is based on the work by http://www.pixelpressicons.com, http://creativecommons.org/licenses/by/2.5/ca/
// Make the customViews 37 by 37 pixels for best results (those are the bounds of the build-in progress indicators)
HUD.customView = [[[UIImageView alloc] initWithImage:[UIImage imageNamed:@"37x-Checkmark.png"]] autorelease];
// Set custom view mode
HUD.mode = MBProgressHUDModeCustomView;
HUD.delegate = self;
HUD.labelText = @"Completed";
[HUD show:YES];
[HUD hide:YES afterDelay:3];
}
- (IBAction)showWithLabelMixed:(id)sender {
HUD = [[MBProgressHUD alloc] initWithView:self.navigationController.view];
[self.navigationController.view addSubview:HUD];
HUD.delegate = self;
HUD.labelText = @"Connecting";
HUD.minSize = CGSizeMake(135.f, 135.f);
[HUD showWhileExecuting:@selector(myMixedTask) onTarget:self withObject:nil animated:YES];
}
- (IBAction)showUsingBlocks:(id)sender {
#if NS_BLOCKS_AVAILABLE
MBProgressHUD *hud = [[MBProgressHUD alloc] initWithView:self.navigationController.view];
[self.navigationController.view addSubview:hud];
hud.labelText = @"With a block";
[hud showAnimated:YES whileExecutingBlock:^{
[self myTask];
} completionBlock:^{
[hud removeFromSuperview];
[hud release];
}];
#endif
}
- (IBAction)showOnWindow:(id)sender {
// The hud will dispable all input on the window
HUD = [[MBProgressHUD alloc] initWithView:self.view.window];
[self.view.window addSubview:HUD];
HUD.delegate = self;
HUD.labelText = @"Loading";
[HUD showWhileExecuting:@selector(myTask) onTarget:self withObject:nil animated:YES];
}
- (IBAction)showURL:(id)sender {
NSURL *URL = [NSURL URLWithString:@"http://a1408.g.akamai.net/5/1408/1388/2005110403/1a1a1ad948be278cff2d96046ad90768d848b41947aa1986/sample_iPod.m4v.zip"];
NSURLRequest *request = [NSURLRequest requestWithURL:URL];
NSURLConnection *connection = [[NSURLConnection alloc] initWithRequest:request delegate:self];
[connection start];
[connection release];
HUD = [MBProgressHUD showHUDAddedTo:self.navigationController.view animated:YES];
HUD.delegate = self;
}
- (IBAction)showWithGradient:(id)sender {
HUD = [[MBProgressHUD alloc] initWithView:self.navigationController.view];
[self.navigationController.view addSubview:HUD];
HUD.dimBackground = YES;
// Regiser for HUD callbacks so we can remove it from the window at the right time
HUD.delegate = self;
// Show the HUD while the provided method executes in a new thread
[HUD showWhileExecuting:@selector(myTask) onTarget:self withObject:nil animated:YES];
}
- (IBAction)showTextOnly:(id)sender {
MBProgressHUD *hud = [MBProgressHUD showHUDAddedTo:self.navigationController.view animated:YES];
// Configure for text only and offset down
hud.mode = MBProgressHUDModeText;
hud.labelText = @"Some message...";
hud.margin = 10.f;
hud.removeFromSuperViewOnHide = YES;
[hud hide:YES afterDelay:3];
}
- (IBAction)showWithColor:(id)sender{
HUD = [[MBProgressHUD alloc] initWithView:self.navigationController.view];
[self.navigationController.view addSubview:HUD];
// Set the hud to display with a color
HUD.color = [UIColor colorWithRed:0.23 green:0.50 blue:0.82 alpha:0.90];
HUD.delegate = self;
[HUD showWhileExecuting:@selector(myTask) onTarget:self withObject:nil animated:YES];
}
#pragma mark - Execution code
- (void)myTask {
// Do something usefull in here instead of sleeping ...
sleep(3);
}
- (void)myProgressTask {
// This just increases the progress indicator in a loop
float progress = 0.0f;
while (progress < 1.0f) {
progress += 0.01f;
HUD.progress = progress;
usleep(50000);
}
}
- (void)myMixedTask {
// Indeterminate mode
sleep(2);
// Switch to determinate mode
HUD.mode = MBProgressHUDModeDeterminate;
HUD.labelText = @"Progress";
float progress = 0.0f;
while (progress < 1.0f)
{
progress += 0.01f;
HUD.progress = progress;
usleep(50000);
}
// Back to indeterminate mode
HUD.mode = MBProgressHUDModeIndeterminate;
HUD.labelText = @"Cleaning up";
sleep(2);
// UIImageView is a UIKit class, we have to initialize it on the main thread
__block UIImageView *imageView;
dispatch_sync(dispatch_get_main_queue(), ^{
UIImage *image = [UIImage imageNamed:@"37x-Checkmark.png"];
imageView = [[UIImageView alloc] initWithImage:image];
});
HUD.customView = [imageView autorelease];
HUD.mode = MBProgressHUDModeCustomView;
HUD.labelText = @"Completed";
sleep(2);
}
#pragma mark - NSURLConnectionDelegete
- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response {
expectedLength = MAX([response expectedContentLength], 1);
currentLength = 0;
HUD.mode = MBProgressHUDModeDeterminate;
}
- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data {
currentLength += [data length];
HUD.progress = currentLength / (float)expectedLength;
}
- (void)connectionDidFinishLoading:(NSURLConnection *)connection {
HUD.customView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"37x-Checkmark.png"]];
HUD.mode = MBProgressHUDModeCustomView;
[HUD hide:YES afterDelay:2];
}
- (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error {
[HUD hide:YES];
}
#pragma mark - MBProgressHUDDelegate
- (void)hudWasHidden:(MBProgressHUD *)hud {
// Remove HUD from screen when the HUD was hidded
[HUD removeFromSuperview];
HUD = nil;
}
- (void)viewDidUnload {
[self setButtons:nil];
[super viewDidUnload];
}
@end
