v 0.0.1

README.md

@@ -1,10 +1,15 @@
+![展示](./show_01.webp)
+
 ### 功能
-- [x] 缓存转换 
+- [x] 缓存读取转换
+- [x] 记录转换历史 
 - [x] 写入歌曲信息
 - [ ] 写入歌词
 - [ ] 写入封面
 - [ ] 修改文件名
 
+没写存储权限申请😓就不写了
+
 ### 参考
 [用python从网易云音乐缓存文件中得到MP3](https://blog.csdn.net/marvellousbinary/article/details/79182946)
 

app/build.gradle

@@ -13,7 +13,7 @@ android {
  minSdkVersion 16
  targetSdkVersion 27
  versionCode 1
- versionName "1.0"
+ versionName "0.0.1"
  testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
  }
  dataBinding {

app/src/main/java/com/wittyneko/neteasemusiccache/MainActivity.kt

@@ -75,12 +75,14 @@ class MainActivity : AppCompatActivity() {
  if (job.isActive) {
 
  binding.btnDecrypt.text = "等待取消"
+ binding.btnDecrypt.isEnabled = false
  Log.e(TAG, "cancel")
  job.cancelAndJoin()
  Log.e(TAG, "cancel join")
  stop().join()
  Log.e(TAG, "write join")
  binding.btnDecrypt.text = "开始"
+ binding.btnDecrypt.isEnabled = true
  } else {
  binding.btnDecrypt.text = "取消"
  binding.tvProgress.text = ""
@@ -356,87 +358,6 @@ class MainActivity : AppCompatActivity() {
  binding.lvList.scrollToPosition(adapter.list.size - 1)
  }
 
- fun readMetadata(file: File) {
-
- val retriever = MediaMetadataRetriever()
- retriever.setDataSource(file.absolutePath)
- val title = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_TITLE)
- val album = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_ALBUM)
- val artist = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_ARTIST)
- val duration = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_DURATION)
- val pic = retriever.embeddedPicture
- Log.e(TAG, "MediaMetadata: $title, $album, $artist")
- }
-
- fun testID3() = launch() {
- val musicDir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_MUSIC)
- Log.e(TAG, "music: ${musicDir.absolutePath}")
- val list = musicDir.listFiles()
- var flac: File? = null
- var mp3: File? = null
- Log.e(TAG, "size ${list.size}")
- list.forEach {
- Log.e(TAG, "name: ${it.name}")
- if (it.name.endsWith(".tag.flac")) {
- mp3 = it
- } else
- if (it.name.endsWith(".flac")) {
- flac = it
- }
- }
- Log.e(TAG, "${flac?.absolutePath}\n${mp3?.absolutePath}")
-
- val audio = AudioFileIO.read(mp3)
- val header = audio.audioHeader
- Log.e(TAG, "format: ${header.format}")
- val tag = audio.tag as FlacTag
- tag.fields.forEach {
- Log.e(TAG, "tag: ${it.id}, $it")
- }
- tag.images.forEach {
- Log.e(TAG, "img: $it")
- }
- tag.setField(FieldKey.TITLE, "可能世界论")
- audio.commit()
- Unit
-
- }
-
- fun readID3() {
- var mp3: File? = null
- val id3Bytes = mp3?.inputStream()?.use { input ->
- val headBytes = input.readBytes(10)
- Log.e(TAG, "head: ${headBytes.joinToString { Integer.toHexString(it.toInt()) }}")
- val tag = String(headBytes.sliceArray(0..2))
- val ver = headBytes[3]
- Log.e(TAG, "tag: $tag, ver: $ver")
- val size = headBytes.sliceArray(6..9).let {
- ((it[0].toInt() and 0xff) shl 24) or
- ((it[1].toInt() and 0xff) shl 16) or
- ((it[2].toInt() and 0xff) shl 8) or
- (it[3].toInt())
- }
- size.also {
- val hex = byteArrayOf(
- (it shr 24).and(0xff).toByte(),
- (it shl 16).and(0xff).toByte(),
- (it shr 8).and(0xff).toByte(),
- it.and(0xff).toByte()
- ).joinToString { Integer.toHexString(it.toInt()) }
- Log.e(TAG, "size: $size, hex: $hex")
- }
- val labelBypes = input.readBytes(size)
- headBytes + labelBypes
- }
- }
-
- @Suppress("NOTHING_TO_INLINE")
- inline fun InputStream.readBytes(estimatedSize: Int = DEFAULT_BUFFER_SIZE): ByteArray {
- val buffer = ByteArray(estimatedSize)
- read(buffer)
- return buffer
- }
-
  inline fun uiThread(crossinline block: () -> Unit) {
  if (Looper.getMainLooper().thread == Thread.currentThread()) {
  block()