Android Coil 3拦截器Interceptor计算单次请求耗时,Kotlin
Android Coil 3拦截器Interceptor计算单次请求耗时,Kotlin
import android.content.Context
import android.util.Log
import coil3.intercept.Interceptor
import coil3.request.ImageResultclass MyInterceptor : Interceptor {companion object {const val TAG = "fly/MyInterceptor"}private var mCtx: Context? = nullconstructor(ctx: Context) {mCtx = ctx}override suspend fun intercept(chain: Interceptor.Chain): ImageResult {val t = System.currentTimeMillis()val result = chain.proceed()Log.d(TAG, "耗时:${System.currentTimeMillis() - t} ms, ${chain.request.data}")return result}
}
mImageLoader = ImageLoader.Builder(ctx)....components {...add(MyInterceptor(ctx))}.build()
Android Coil3视频封面抽取封面帧存Disk缓存,Kotlin(2)-CSDN博客文章浏览阅读444次,点赞9次,收藏14次。本文介绍了基于Coil3的Android视频封面抽取优化方案,重点改进了磁盘缓存性能。通过将封面帧从PNG无损格式改为JPEG有损压缩(质量80),使缓存文件大小缩减至原先的1/10,显著提升了读写速度。核心实现包括:1)使用FFmpegMediaMetadataRetriever快速抽取视频首帧;2)自定义Bitmap压缩参数(Bitmap.CompressFormat.JPEG);3)采用缓冲流(BufferedOutputStream)处理磁盘缓存写入。该方案在保持图像质量的同时优化了I/O性能,适用https://blog.csdn.net/zhangphil/article/details/150494282