ImagePicker.kt

fun getTargetFile(context: Context, uri: Uri, getFile: (f: File?) -> Unit) {

        val targetPath = when (uri.authority) {
        //拍照
            AUTHORITY -> "${Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES)}/${uri.path.substring(uri.path.lastIndexOf("/") + 1, uri.path.length)}"
        //图库选择
            "media" -> PhotoMetadataUtils.getPath(context.contentResolver, uri)
            else -> {
                getFile.invoke(null)
                null
            }
        }
        //异步压缩
        Luban.with(context)
                .load(File(targetPath ?: return))
                .setCompressListener(object : OnCompressListener {
                    override fun onSuccess(f: File?) {
                        getFile.invoke(f)
                    }

                    override fun onError(e: Throwable?) {
                        getFile.invoke(null)
                    }

                    override fun onStart() {
                    }
                }).launch()
    }