Android开发 框架推荐 指定大小、指定尺寸对图片进行压缩（通过采样率压缩 + 质量压缩）

EasyImageCompressor

github：https://github.com/ZS-ZhangsShun/EasyImageCompressor

简介

通过采样率压缩 + 质量压缩，使用简单的配置即可完成图片指定大小指定尺寸的压缩

使用方法

第一步：在project的build.gradle 文件中添加JitPack依赖

allprojects {
    repositories {
        ...
        maven { url 'https://jitpack.io' }
    }
}

第二步: 在Module的build.gradle文件中添加对本库的依赖

dependencies {
    ...
    implementation 'com.github.ZS-ZhangsShun:EasyImageCompressor:1.0.2'
}

第三步：开始使用（6.0及以上版本需要在代码中动态申请Manifest.permission.WRITE_EXTERNAL_STORAGE 参考示例代码） 以下方法可直接拷贝到项目中使用 参数根据实际情况修改即可 详情参考demo中 MainActivity的示例代码

（1）单张图片压缩

    //场景一 把单张图片压缩到100k以内 同时像素不超过1200（宽、高都不大于1200）
    EasyImgCompress.withSinglePic(this, "/mnt/sdcard/test1.jpg")
            .maxPx(1200)
            .maxSize(100)
            .setOnCompressSinglePicListener(new OnCompressSinglePicListener() {
                @Override
                public void onStart() {
                    Log.i("EasyImgCompress", "onStart");
                }

                @Override
                public void onSuccess(File file) {
                    Log.i("EasyImgCompress", "onSuccess size = " + GBMBKBUtil.getSize(file.length()) + " getAbsolutePath= " + file.getAbsolutePath());
                }

                @Override
                public void onError(String error) {
                    Log.e("EasyImgCompress", "onError error = " + error);
                }
            }).start();

        过滤EasyImgCompress 看日志：
        2020-05-24 12:09:29.781 17286-17286/com.zs.easy.imgcompress I/EasyImgCompress: onStart
        2020-05-24 12:09:29.782 17286-17286/com.zs.easy.imgcompress I/EasyImgCompress: 原图片地址：/mnt/sdcard/test1.jpg
        2020-05-24 12:09:29.782 17286-17286/com.zs.easy.imgcompress I/EasyImgCompress: 保存地址：/data/user/0/com.zs.easy.imgcompress/cache/CompressCache
        2020-05-24 12:09:30.931 17286-17286/com.zs.easy.imgcompress I/EasyImgCompress: onSuccess size = 99.31KB    getAbsolutePath= /data/user/0/com.zs.easy.imgcompress/cache/CompressCache/1590293370924.jpg

（2）多张图片压缩

    //场景二 把多张图片每一张都压缩到100k以内 同时每张像素不超过1200（宽、高都不大于1200）
    List imgs = new ArrayList<>();
    imgs.add(Environment.getExternalStorageDirectory().getAbsolutePath() + File.separator + "test1.jpg");
    imgs.add(Environment.getExternalStorageDirectory().getAbsolutePath() + File.separator + "test2.jpg");
    imgs.add(Environment.getExternalStorageDirectory().getAbsolutePath() + File.separator + "test3.jpg");
    imgs.add(Environment.getExternalStorageDirectory().getAbsolutePath() + File.separator + "test4.jpg");
    EasyImgCompress.withMultiPics(this, imgs)
            .maxPx(1200)
            .maxSize(100)
            .setOnCompressMultiplePicsListener(new OnCompressMultiplePicsListener() {
                @Override
                public void onStart() {
                    Log.i("EasyImgCompress", "onStart");
                }

                @Override
                public void onSuccess(List successFiles) {
                    for (int i = 0; i < successFiles.size(); i++) {
                        Log.i("EasyImgCompress", "onSuccess: successFile size = " + GBMBKBUtil.getSize(successFiles.get(i).length()) + "path = " + successFiles.get(i).getAbsolutePath());
                    }
                }

                @Override
                public void onHasError(List successFiles, List errorImages) {
                    for (int i = 0; i < successFiles.size(); i++) {
                        Log.i("EasyImgCompress", "onHasError: successFile  size = " + GBMBKBUtil.getSize(successFiles.get(i).length()) + "path = " + successFiles.get(i).getAbsolutePath());
                    }
                    for (int i = 0; i < errorImages.size(); i++) {
                        Log.e("EasyImgCompress", "onHasError: errorImg url = " + errorImages.get(i).getErrorImgUrl());
                        Log.e("EasyImgCompress", "onHasError: errorImg msg = " + errorImages.get(i).getErrorMsg());
                    }
                }
            }).start();

      过滤EasyImgCompress 看日志：
      2020-05-24 12:09:30.949 17286-17286/com.zs.easy.imgcompress I/EasyImgCompress: onStart
      2020-05-24 12:09:34.984 17286-17286/com.zs.easy.imgcompress I/EasyImgCompress: onSuccess: successFile size = 99.31KB   path = /data/user/0/com.zs.easy.imgcompress/cache/CompressCache/1590293372046.jpg
      2020-05-24 12:09:34.988 17286-17286/com.zs.easy.imgcompress I/EasyImgCompress: onSuccess: successFile size = 93.11KB   path = /data/user/0/com.zs.easy.imgcompress/cache/CompressCache/1590293372918.jpg
      2020-05-24 12:09:34.993 17286-17286/com.zs.easy.imgcompress I/EasyImgCompress: onSuccess: successFile size = 95.21KB   path = /data/user/0/com.zs.easy.imgcompress/cache/CompressCache/1590293374030.jpg
      2020-05-24 12:09:34.997 17286-17286/com.zs.easy.imgcompress I/EasyImgCompress: onSuccess: successFile size = 94.50KB   path = /data/user/0/com.zs.easy.imgcompress/cache/CompressCache/1590293374976.jpg

（3）相关配置

    //1、压缩后的保存路径设置
    //默认是应用内部缓存 context.getCacheDir().getPath() + File.separator + "CompressCache"
    // 即：/data/data//cache/CompressCache
    EasyImgCompress.withXXX().cacheDir("传入压缩完后存储的文件夹路径，注意是文件夹路径")

混淆配置

-keep class com.zs.easy.imgcompress.** {*;}