package cc.shinichi.library.tool.image
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import android.app.Activity
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import android.content.ContentValues
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import android.graphics.drawable.Drawable
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import android.os.Build
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import android.os.Environment
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import android.os.Handler
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import android.os.Looper
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import android.provider.MediaStore
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import cc.shinichi.library.ImagePreview
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import cc.shinichi.library.R
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import cc.shinichi.library.glide.FileTarget
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import cc.shinichi.library.tool.common.HttpUtil.downloadFile
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import cc.shinichi.library.tool.common.ToastUtil
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import cc.shinichi.library.tool.file.FileUtil.Companion.copyFile
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import cc.shinichi.library.tool.file.FileUtil.Companion.createFileByDeleteOldFile
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import cc.shinichi.library.tool.file.FileUtil.Companion.getAvailableCacheDir
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import cc.shinichi.library.tool.file.SingleMediaScanner
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import cc.shinichi.library.tool.image.ImageUtil.refresh
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import com.bumptech.glide.Glide
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import com.bumptech.glide.request.transition.Transition
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import java.io.*
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/**
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* @author 工藤
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* @email qinglingou@gmail.com
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* create at 2018/5/4 16:34
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* description:图片下载工具类
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*/
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object DownloadUtil {
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fun downloadPicture(context: Activity, currentItem: Int, url: String?) {
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Glide.with(context).downloadOnly().load(url).into(object : FileTarget() {
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override fun onLoadStarted(placeholder: Drawable?) {
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super.onLoadStarted(placeholder)
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if (ImagePreview.instance.downloadListener != null) {
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ImagePreview.instance.downloadListener?.onDownloadStart(context, currentItem)
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} else {
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ToastUtil.instance.showShort(
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context,
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context.getString(R.string.toast_start_download)
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)
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}
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super.onLoadStarted(placeholder)
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}
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override fun onLoadFailed(errorDrawable: Drawable?) {
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super.onLoadFailed(errorDrawable)
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if (ImagePreview.instance.downloadListener != null) {
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ImagePreview.instance.downloadListener?.onDownloadFailed(context, currentItem)
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} else {
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ToastUtil.instance.showShort(
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context,
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context.getString(R.string.toast_save_failed)
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)
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}
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}
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override fun onResourceReady(resource: File, transition: Transition<in File>?) {
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super.onResourceReady(resource, transition)
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saveImage(context, resource, currentItem)
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}
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})
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}
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private fun saveImage(context: Activity, resource: File, currentItem: Int) {
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// 传入的保存文件夹名
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val downloadFolderName = ImagePreview.instance.folderName
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// 保存的图片名称
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var name = System.currentTimeMillis().toString()
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val mimeType = ImageUtil.getImageTypeWithMime(resource.absolutePath)
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name = "$name.$mimeType"
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
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// 大于等于29版本的保存方法
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val resolver = context.contentResolver
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// 设置文件参数到ContentValues中
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val values = ContentValues()
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values.put(MediaStore.Images.Media.DISPLAY_NAME, name)
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values.put(MediaStore.Images.Media.DESCRIPTION, name)
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values.put(MediaStore.Images.Media.MIME_TYPE, "image/$mimeType")
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values.put(MediaStore.Images.Media.RELATIVE_PATH, Environment.DIRECTORY_PICTURES + "/" + downloadFolderName + "/")
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val insertUri = resolver.insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, values)
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var inputStream: BufferedInputStream? = null
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var os: OutputStream? = null
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try {
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inputStream = BufferedInputStream(FileInputStream(resource.absolutePath))
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os = insertUri?.let { resolver.openOutputStream(it) }
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os?.let {
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val buffer = ByteArray(1024 * 4)
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var len: Int
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while (inputStream.read(buffer).also { len = it } != -1) {
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os.write(buffer, 0, len)
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}
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os.flush()
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}
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if (ImagePreview.instance.downloadListener != null) {
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ImagePreview.instance.downloadListener?.onDownloadSuccess(context, currentItem)
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} else {
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ToastUtil.instance.showShort(
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context,
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context.getString(
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R.string.toast_save_success,
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"$downloadFolderName/$name"
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)
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)
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}
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insertUri?.refresh(resolver)
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} catch (e: IOException) {
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e.printStackTrace()
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if (ImagePreview.instance.downloadListener != null) {
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ImagePreview.instance.downloadListener?.onDownloadFailed(context, currentItem)
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} else {
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ToastUtil.instance.showShort(
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context,
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context.getString(R.string.toast_save_failed)
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)
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}
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} finally {
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try {
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os?.close()
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} catch (e: IOException) {
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e.printStackTrace()
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}
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try {
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inputStream?.close()
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} catch (e: IOException) {
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e.printStackTrace()
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}
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}
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} else {
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// 低于29版本的保存方法
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val path = Environment.getExternalStorageDirectory().toString() + "/" + downloadFolderName + "/"
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createFileByDeleteOldFile(path + name)
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val result = copyFile(resource, path, name)
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if (result) {
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if (ImagePreview.instance.downloadListener != null) {
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ImagePreview.instance.downloadListener?.onDownloadSuccess(context, currentItem)
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} else {
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ToastUtil.instance.showShort(
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context,
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context.getString(R.string.toast_save_success, path)
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)
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}
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SingleMediaScanner(context, path + name, object : SingleMediaScanner.ScanListener {
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override fun onScanFinish() {
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// scanning...
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}
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})
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} else {
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if (ImagePreview.instance.downloadListener != null) {
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ImagePreview.instance.downloadListener?.onDownloadFailed(context, currentItem)
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} else {
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ToastUtil.instance.showShort(
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context,
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context.getString(R.string.toast_save_failed)
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)
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}
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}
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}
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}
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fun downloadVideo(context: Activity, currentItem: Int, url: String?) {
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if (ImagePreview.instance.downloadListener != null) {
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ImagePreview.instance.downloadListener?.onDownloadStart(context, currentItem)
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} else {
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ToastUtil.instance.showShort(
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context,
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context.getString(R.string.toast_start_download)
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)
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}
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Thread {
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val saveDir = getAvailableCacheDir(context)?.absolutePath + File.separator + "video/"
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val fileFullName = System.currentTimeMillis().toString() + ".mp4"
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val downloadFile = downloadFile(url, fileFullName, saveDir)
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Handler(Looper.getMainLooper()).post {
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if (downloadFile != null && downloadFile.exists() && downloadFile.length() > 0) {
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// 通过urlConn下载完成
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saveVideo(context, downloadFile, currentItem)
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} else {
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if (ImagePreview.instance.downloadListener != null) {
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ImagePreview.instance.downloadListener?.onDownloadFailed(context, currentItem)
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} else {
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ToastUtil.instance.showShort(
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context,
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context.getString(R.string.toast_save_failed)
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)
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}
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}
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}
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}.start()
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}
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private fun saveVideo(context: Activity, resource: File, currentItem: Int) {
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// 传入的保存文件夹名
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val downloadFolderName = ImagePreview.instance.folderName
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// 保存的名称
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var name = System.currentTimeMillis().toString() + ".mp4"
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
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// 大于等于29版本的保存方法
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val resolver = context.contentResolver
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// 设置文件参数到ContentValues中
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val values = ContentValues()
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values.put(MediaStore.Video.Media.DISPLAY_NAME, name)
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values.put(MediaStore.Video.Media.DESCRIPTION, name)
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values.put(MediaStore.Video.Media.MIME_TYPE, "video/mp4")
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values.put(MediaStore.Video.Media.RELATIVE_PATH, Environment.DIRECTORY_MOVIES + "/" + downloadFolderName + "/")
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val insertUri = resolver.insert(MediaStore.Video.Media.EXTERNAL_CONTENT_URI, values)
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var inputStream: BufferedInputStream? = null
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var os: OutputStream? = null
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try {
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inputStream = BufferedInputStream(FileInputStream(resource.absolutePath))
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os = insertUri?.let { resolver.openOutputStream(it) }
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os?.let {
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val buffer = ByteArray(1024 * 4)
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var len: Int
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while (inputStream.read(buffer).also { len = it } != -1) {
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os.write(buffer, 0, len)
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}
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os.flush()
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}
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if (ImagePreview.instance.downloadListener != null) {
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ImagePreview.instance.downloadListener?.onDownloadSuccess(context, currentItem)
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} else {
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ToastUtil.instance.showShort(
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context,
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context.getString(
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R.string.toast_save_success,
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"$downloadFolderName/$name"
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)
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)
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}
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insertUri?.refresh(resolver)
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} catch (e: IOException) {
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e.printStackTrace()
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if (ImagePreview.instance.downloadListener != null) {
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ImagePreview.instance.downloadListener?.onDownloadFailed(context, currentItem)
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} else {
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ToastUtil.instance.showShort(
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context,
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context.getString(R.string.toast_save_failed)
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)
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}
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} finally {
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try {
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os?.close()
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} catch (e: IOException) {
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e.printStackTrace()
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}
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try {
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inputStream?.close()
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} catch (e: IOException) {
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e.printStackTrace()
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}
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}
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} else {
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// 低于29版本的保存方法
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val path = Environment.getExternalStorageDirectory().toString() + "/" + downloadFolderName + "/"
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createFileByDeleteOldFile(path + name)
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val result = copyFile(resource, path, name)
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if (result) {
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if (ImagePreview.instance.downloadListener != null) {
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ImagePreview.instance.downloadListener?.onDownloadSuccess(context, currentItem)
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} else {
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ToastUtil.instance.showShort(
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context,
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context.getString(R.string.toast_save_success, path)
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)
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}
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SingleMediaScanner(context, path + name, object : SingleMediaScanner.ScanListener {
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override fun onScanFinish() {
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// scanning...
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}
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})
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} else {
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if (ImagePreview.instance.downloadListener != null) {
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ImagePreview.instance.downloadListener?.onDownloadFailed(context, currentItem)
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} else {
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ToastUtil.instance.showShort(
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context,
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context.getString(R.string.toast_save_failed)
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)
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}
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}
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}
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}
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}
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