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- package com.trust.ywx.utils
- import android.content.Context
- import android.util.Log
- import com.trust.ywx.AppManager
- import java.io.File
- import java.io.FileInputStream
- import java.io.FileOutputStream
- import java.io.IOException
- import java.util.zip.ZipEntry
- import java.util.zip.ZipInputStream
- class FileHelper {
- companion object {
- fun getDirPath(context: Context?, type: String?): String {
- return (context ?: AppManager.lastActivity())?.getExternalFilesDir(type)?.absolutePath!!
- }
- fun getFilePath(name: String, context: Context?, type: String?): String {
- val path = getDirPath(context, type) + File.separator + name
- return path
- }
- fun copyAssetFileToInternalStorage(
- context: Context,
- assetFileName: String,
- destFile: File
- ) {
- val assetManager = context.assets
- try {
- assetManager.open(assetFileName).use { `in` ->
- FileOutputStream(destFile).use { out ->
- val buffer = ByteArray(1024)
- var read: Int
- while ((`in`.read(buffer).also { read = it }) != -1) {
- out.write(buffer, 0, read)
- }
- Log.d(
- ">>>>>>>>>>>>>>CopyAssets",
- "Copied: " + assetFileName + " to " + destFile.getAbsolutePath()
- )
- }
- }
- } catch (e: IOException) {
- Log.e(">>>>>>>>>>>>>>CopyAssets", "Failed to copy asset: $assetFileName", e)
- }
- }
- @Throws(IOException::class)
- fun unzip(zipFile: File, targetDir: File) {
- if (!targetDir.exists()) targetDir.mkdirs()
- ZipInputStream(FileInputStream(zipFile)).use { zipIn ->
- var entry: ZipEntry?
- while ((zipIn.getNextEntry().also { entry = it }) != null) {
- val file = File(targetDir, entry!!.name)
- if (entry.isDirectory) {
- file.mkdirs()
- } else {
- // 确保父目录存在
- val parent = file.getParentFile()
- if (!parent.exists()) parent.mkdirs()
- FileOutputStream(file).use { fos ->
- val buffer = ByteArray(1024)
- var len: Int
- while ((zipIn.read(buffer).also { len = it }) > 0) {
- fos.write(buffer, 0, len)
- }
- }
- }
- zipIn.closeEntry()
- }
- }
- }
- }
- }
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