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文章目录一、图片质量压缩方法二、查找对应的 Native 方法源码三、分析 Bitmap.cpp 中动态注册 Native 方法在博客【Android 内存优化】图片文件压缩 ( Android 原生 API 提供的图片压缩功能能 | 图片质量压缩 | 图片尺寸压缩 ) 简要介绍了图片文件...

【Android 内存优化】Android 原生 API 图片压缩代码示例 ( PNG 格式压缩 | JPEG 格式压缩 | WEBP 格式压缩 | 动态权限申请 | Android10 存储策略 )

文章目录一、图片质量压缩二、图片尺寸压缩三、 Android 10 文件访问四、完整源码示例上一篇博客【Android 内存优化】图片文件压缩 ( Android 原生 API 提供的图片压缩功能能 | 图片质量压缩 | 图片尺寸压缩 ) 简要介绍了图片文件压缩格式 , 以及 Androi...

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【Android 内存优化】图片文件压缩 ( Android 原生 API 提供的图片压缩功能能 | 图片质量压缩 | 图片尺寸压缩 )

文章目录一、图片压缩二、图片文件压缩类型三、 Android 原生 API 提供的质量压缩四、 Android 原生 API 提供的尺寸压缩一、图片压缩图片压缩 :① 文件压缩 : 图片的文件压缩 , 一张图片可以经过压缩 , 占用更少的磁盘或网络空间 ;② 文件压缩应用场景 :网络传输图片 ...

Android图片压缩（质量压缩和尺寸压缩）

在网上调查了图片压缩的方法并实装后，大致上可以认为有两类压缩：质量压缩（不改变图片的尺寸）和尺寸压缩（相当于是像素上的压缩）；质量压缩一般可用于上传大图前的处理，这样就可以节省一定的流量，毕竟现在的手机拍照都能达到3M左右了，尺寸压缩一般可用于生成缩略图。两种方法都实装在了我的项目中，结果却发现在质...

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