4lqedz 发表于 2024-10-9 01:16:26

iOS APP性能优化办法


    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">iOS APP的性能优化是一个<span style="color: black;">触及</span>多个方面的<span style="color: black;">繁杂</span>过程,<span style="color: black;">包含</span>但不限于<span style="color: black;">起步</span>时间、内存<span style="color: black;">运用</span>、磁盘写入、能耗和响应速度等方面。以下是<span style="color: black;">有些</span>基于搜索结果的优化<span style="color: black;">意见</span>。北京木奇移动技术有限<span style="color: black;">机构</span>,专业的软件外包<span style="color: black;">研发</span><span style="color: black;">机构</span>,欢迎洽谈合作。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="//q2.itc.cn/images01/20240829/e98c9281aab44f6e80146e2007164d39.jpeg" style="width: 50%; margin-bottom: 20px;"></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">1. <span style="color: black;">起步</span>时间优化:<span style="color: black;">保证</span>App<span style="color: black;">起步</span>时间尽可能短,<span style="color: black;">能够</span><span style="color: black;">提高</span>用户体验,并减少被iOS看门狗计时器终止的几率。<span style="color: black;">能够</span><span style="color: black;">经过</span>减少<span style="color: black;">起步</span>时加载的资源、延迟非必要的初始化、<span style="color: black;">运用</span>轻量级的首屏界面等<span style="color: black;">办法</span>来优化<span style="color: black;">起步</span>时间 。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">2. 内存优化:减少App的内存<span style="color: black;">运用</span>量,<span style="color: black;">能够</span>降低被iOS系统在后台释放内存的概率,并加快用户切回App时的响应速度。<span style="color: black;">运用</span>自动引用计数(ARC)来管理内存,避免内存泄漏,并<span style="color: black;">恰当</span><span style="color: black;">运用</span>重用机制,如UITableViewCell和UICollectionViewCell的重用 。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">3. 磁盘写入:减少磁盘写入<span style="color: black;">能够</span>加快App的整体性能,并减少对用户设备存储的损耗。<span style="color: black;">能够</span><span style="color: black;">经过</span>缓存策略和减少不必要的数据写入来实现 。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">4. 能耗优化:降低电池电量消耗并减少对高能耗设备功能的<span style="color: black;">运用</span>,<span style="color: black;">能够</span>使App变得更加可靠。<span style="color: black;">能够</span><span style="color: black;">经过</span>减少后台工作、准确指定 QoS 优先级、减少计时器的<span style="color: black;">运用</span>、最小化I/O、对低电量模式做出响应等<span style="color: black;">办法</span>来优化能耗 。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">5. 网络请求优化:最小化和延迟网络请求,<span style="color: black;">能够</span>减<span style="color: black;">少许</span>据传输带来的能耗和<span style="color: black;">加强</span>响应速度。<span style="color: black;">能够</span><span style="color: black;">经过</span>减少不必要的网络请求、推迟非关键网络请求、<span style="color: black;">运用</span>VoIP最佳实践等<span style="color: black;">办法</span>来优化 。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">6. 图形和动画优化:有效<span style="color: black;">运用</span>图形、动画和视频,<span style="color: black;">能够</span><span style="color: black;">加强</span>App的视觉表现和用户体验。避免过度<span style="color: black;">运用</span><span style="color: black;">繁杂</span>的图形和动画,<span style="color: black;">运用</span>硬件加速,以及<span style="color: black;">恰当</span>管理图层和渲染过程 。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">7. 位置和动作优化:优化位置和动作,如降低位置的准确性和<span style="color: black;">连续</span>时间,减少运动更新的频率,<span style="color: black;">能够</span>减少对设备的资源消耗 。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">8. <span style="color: black;">通告</span>和蓝牙优化:优化<span style="color: black;">通告</span>和蓝牙的<span style="color: black;">运用</span>,<span style="color: black;">能够</span>减少对系统资源的占用和<span style="color: black;">加强</span>App的响应速度 。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">9. 监控能源<span style="color: black;">运用</span>:<span style="color: black;">运用</span>Xcode的Instruments工具来监控能源<span style="color: black;">运用</span>,找出能源<span style="color: black;">泄密</span>的迹象,并采取<span style="color: black;">办法</span>优化 。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">10. App<span style="color: black;">起步</span>优化:<span style="color: black;">认识</span>App的<span style="color: black;">起步</span>流程,<span style="color: black;">包含</span>pre-main和main()<span style="color: black;">周期</span>,并针对性地进行优化。例如,减少动态链接库(dylib)的<span style="color: black;">运用</span>,合并dylib,懒加载dylib,减少ObjC类和<span style="color: black;">办法</span>的数量,以及优化C++虚函数表的<span style="color: black;">运用</span> 。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">11. <span style="color: black;">运用</span>正确的数据存储选项:<span style="color: black;">按照</span>数据的<span style="color: black;">体积</span>和<span style="color: black;">运用</span>频率<span style="color: black;">选取</span>合适的数据存储方式,如NSUserDefaults、SQLite、Core Data等,以优化性能 。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">12. UIWebView优化:<span style="color: black;">倘若</span><span style="color: black;">运用</span>UIWebView,优化HTML和JavaScript代码,<span style="color: black;">运用</span>异步加载和缓存策略,以及<span style="color: black;">恰当</span><span style="color: black;">运用</span><span style="color: black;">照片</span>资源 。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">13. TableView优化:<span style="color: black;">针对</span>UITableView,<span style="color: black;">保证</span>正确<span style="color: black;">运用</span>重用标识符,使所有视图不透明,避免渐变和<span style="color: black;">照片</span>缩放,缓存行高,以及减少子视图的数量 。</p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">性能优化是一个<span style="color: black;">连续</span>的过程,需要<span style="color: black;">持续</span>地监控、分析和<span style="color: black;">调节</span>。<span style="color: black;">运用</span>Xcode的Metrics Organizer和Instruments工具<span style="color: black;">能够</span><span style="color: black;">帮忙</span><span style="color: black;">研发</span>者识别性能瓶颈,并进行有针对性的优化。<span style="color: black;">同期</span>,<span style="color: black;">亦</span><span style="color: black;">能够</span>利用第三方工具如U-APM进行性能监控和分析,以便<span style="color: black;">即时</span><span style="color: black;">发掘</span>并<span style="color: black;">处理</span>性能问题 。<a style="color: black;"><span style="color: black;">返回<span style="color: black;">外链论坛: http://www.fok120.com</span>,查看<span style="color: black;">更加多</span></span></a></p>

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