iOS 調整導覽列返回按鈕的位置

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調整導覽列返回按鈕的位置

//建立返回按鈕UIButton * leftBtn = [UIButton buttonWithType:UIButtonTypeSystem];leftBtn.frame = CGRectMake(0, 0, 25,25);[leftBtn setBackgroundImage:[UIImage imageNamed:@"icon_back"] forState:UIControlStateNormal];[leftBtn addTarget:self action:@selector(leftBarBtnClicked:) forControlEvents:UIControlEventTouchUpInside];UIBarButtonItem * leftBarBtn = [[UIBarButtonItem alloc]initWithCustomView:leftBtn];;//建立UIBarButtonSystemItemFixedSpaceUIBarButtonItem * spaceItem = [[UIBarButtonItem alloc]initWithBarButtonSystemItem:UIBarButtonSystemItemFixedSpace target:nil action:nil];//將寬度設為負值spaceItem.width = -15;//將兩個BarButtonItem都返回給NavigationItemself.navigationItem.leftBarButtonItems = @[spaceItem,leftBarBtn];

iOS 調整導覽列返回按鈕的位置