iOS學習，ios學習路線

iOS學習，ios學習路線

思路：

1.建立一個單例

+ (instancetype)shareManager {    static CCPaomaView *pModel = nil;    static dispatch_once_t once;    dispatch_once(&once, ^{        pModel = [[CCPaomaView alloc]initWithFrame:CGRectMake(0, 0, KScreenWidth, 0.0468 *KScreenHeight)];    });    return pModel;}

2.把接收的資料存在本地的 plist，不適用於大量資料，每次讀取第一個資料，讀取完成刪除整個 plist，再把剩下的重新存進 plist

3.根據動畫代理，監聽動畫執行結束，將動畫執行個體置為 nil

- (void)animationDidStop:(CAAnimation *)anim finished:(BOOL)flag{    NSLog(@"%@",[self.paomaLabel.layer animationForKey:@"paoMaDeng"]);    if ([self.paomaLabel.layer animationForKey:@"paoMaDeng"] == anim) {        //移除第一組資料        [_array removeObjectAtIndex:0];                //移除整個 plist        [CCPaomaModel removePaomaPlist];                //重新寫入        [_array writeToFile:[CCPaomaModel filename] atomically:YES];                //動畫停止之後，將執行個體置為 nil        _pmAniamtion = nil;                //數組為空白之後移除跑馬燈        if (_array.count > 0) {            [self showPaomaView:self.superview];        }else{            self.hidden = YES;            [self removeFromSuperview];        }        NSLog(@"%@",self.array);    }}

4.判斷動畫執行個體是否為空白，使得切換介面，跑馬燈繼續，而不是重新開始

- (void)paomaAniamtion:(CGFloat)count{    //判斷動畫執行個體存不存在，存在繼續，不存在即建立    if (_pmAniamtion == nil) {        _pmAniamtion = [CABasicAnimation animation];        _pmAniamtion.keyPath = @"transform.translation.x";        CGFloat W = CGRectGetWidth(_paomaLabel.bounds);        _pmAniamtion.fromValue = @(W);        _pmAniamtion.toValue = @(-W);        _pmAniamtion.duration = _aniTime;        _pmAniamtion.repeatCount = count;        _pmAniamtion.removedOnCompletion = NO;       //動畫結束不移除        _pmAniamtion.fillMode = kCAFillModeForwards; //動畫結束會保持結束的狀態        _pmAniamtion.delegate = self;                //設定代理        [_paomaLabel.layer addAnimation:_pmAniamtion forKey:@"paoMaDeng"];    }else{        _pmAniamtion.repeatCount = count;    }}

5.切換介面，暫停、恢複動畫

#pragma mark -- 介面出現、消失，建立、恢複、暫停動畫- (void)viewWillAppear:(BOOL)animated {    [_paomaView showPaomaView:self.view];    [_paomaView resumeAnimation];}- (void)viewWillDisappear:(BOOL)animated {    [_paomaView pauseAniamtion];}

話不多說，github 見代碼