UIStackView简单使用

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NSMutableArray * array1 = [[NSMutableArrayalloc]init];

for (int i =0 ; i<5; i++) {

UIView * view = [[UIViewalloc]init];

view.backgroundColor = [UIColorcolorWithRed:arc4random()%255/255.0green:arc4random()%255/255.0blue:arc4random()%255/255.0alpha:1];

[array1 addObject:view];

}

_stackView1 = [[UIStackViewalloc]initWithArrangedSubviews:array1];

[_stackView1setFrame:CGRectMake(0,20, [UIScreenmainScreen].bounds.size.width,200)];

[_stackView1setAxis:UILayoutConstraintAxisHorizontal];

[_stackView1setSpacing:10];

[_stackView1setDistribution:UIStackViewDistributionFillProportionally];

[_stackView1setAlignment:UIStackViewAlignmentFill];

[self.viewaddSubview:_stackView1];

NSMutableArray * array2 = [[NSMutableArrayalloc]init];

for (int i =0 ; i<5; i++) {

UIView * view = [[UIViewalloc]init];

view.backgroundColor = [UIColorcolorWithRed:arc4random()%255/255.0green:arc4random()%255/255.0blue:arc4random()%255/255.0alpha:1];

[array2 addObject:view];

}

_stackView2 = [[UIStackViewalloc]initWithArrangedSubviews:array2];

[_stackView2setFrame:CGRectMake(0,250, [UIScreenmainScreen].bounds.size.width,200)];

_stackView2.axis =UILayoutConstraintAxisVertical;

_stackView2.distribution =UIStackViewDistributionFillProportionally;

_stackView2.alignment =UIStackViewAlignmentFill;

_stackView2.spacing =10;

[self.viewaddSubview:_stackView2];

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