Allow downloading lyrics locally

app/src/main/AndroidManifest.xml

@@ -2,6 +2,8 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
 
     <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
+
 
     <application
         android:name=".FastLyricsApp"

app/src/main/java/io/github/teccheck/fastlyrics/ui/fastlyrics/FastLyricsFragment.kt

@@ -1,17 +1,30 @@
 package io.github.teccheck.fastlyrics.ui.fastlyrics
 
+import android.graphics.Color
 import android.os.Bundle
 import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.widget.TextView
 import androidx.appcompat.content.res.AppCompatResources
 import androidx.fragment.app.Fragment
 import androidx.lifecycle.ViewModelProvider
 import androidx.recyclerview.widget.LinearLayoutManager
 import com.squareup.picasso.Picasso
 import dev.forkhandles.result4k.Failure
 import dev.forkhandles.result4k.Success
+import android.widget.Toast
+
+import android.Manifest
+import android.content.Context
+import android.content.pm.PackageManager
+import android.os.Build
+import android.os.Environment
+import androidx.core.app.ActivityCompat
+import androidx.core.content.ContextCompat
+import java.io.File
+import java.io.FileOutputStream
 import dev.forkhandles.result4k.Result
 import io.github.teccheck.fastlyrics.R
 import io.github.teccheck.fastlyrics.Settings
@@ -28,12 +41,20 @@ import io.github.teccheck.fastlyrics.utils.Utils
 import io.github.teccheck.fastlyrics.utils.Utils.copyToClipboard
 import io.github.teccheck.fastlyrics.utils.Utils.openLink
 import io.github.teccheck.fastlyrics.utils.Utils.share
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.time.delay
+import kotlinx.coroutines.delay
+import java.time.Duration
+import kotlin.time.Duration.Companion.seconds
 
 
 class FastLyricsFragment : Fragment() {
 
     private lateinit var lyricsViewModel: FastLyricsViewModel
     private var _binding: FragmentFastLyricsBinding? = null
+    lateinit var song: SongWithLyrics
 
     // This property is only valid between onCreateView and onDestroyView.
     private val binding get() = _binding!!
@@ -88,7 +109,7 @@ class FastLyricsFragment : Fragment() {
         binding.header.container.visibility = View.GONE
         binding.errorView.container.visibility = View.GONE
         binding.lyricsView.container.visibility = View.GONE
-
+        
         when (result) {
             is Failure -> displayError(result.reason)
             is Success -> displaySongMeta(result.value)
@@ -161,7 +182,7 @@ class FastLyricsFragment : Fragment() {
             return
         }
 
-        val song = (result as Success).value
+         song = (result as Success).value
 
         binding.header.container.visibility = View.VISIBLE
         binding.lyricsView.container.visibility = View.VISIBLE
@@ -197,7 +218,47 @@ class FastLyricsFragment : Fragment() {
                 song.title, song.artist, song.lyrics
             )
         }
+        binding.lyricsView.download.setOnClickListener {
+            if (ContextCompat.checkSelfPermission(
+                    requireContext(),
+                    Manifest.permission.WRITE_EXTERNAL_STORAGE
+                ) != PackageManager.PERMISSION_GRANTED
+            ) {
+
+                Toast.makeText(requireContext(), "Tap download again after allowing", Toast.LENGTH_SHORT).show()
+                CoroutineScope(Dispatchers.Main).launch {
+                    delay(1000) // Delay for 1 second
+                    // After delay, request permission
+                    ActivityCompat.requestPermissions(
+                        requireActivity(),
+                        arrayOf(Manifest.permission.WRITE_EXTERNAL_STORAGE),
+                        PERMISSION_REQUEST_CODE
+                    )
+            }
+            } else {
+                // Permission is already granted, proceed with saving the lyrics to a file
+                saveLyricsToFile(requireContext(), song.title, song.lyrics)
+            }
+        }
     }
+    private fun saveLyricsToFile(context: Context, title: String, lyrics: String) {
+        val externalStorageState = Environment.getExternalStorageState()
+        if (externalStorageState == Environment.MEDIA_MOUNTED) {
+            val file = File(
+                Environment.getExternalStorageDirectory(),
+                "$title.txt"
+            )
+            FileOutputStream(file).use { fos ->
+                fos.write(lyrics.toByteArray())
+            }
+            Toast.makeText(context, "Lyrics saved to $title.txt", Toast.LENGTH_SHORT).show()
+        } else {
+            Toast.makeText(context, "External storage not available", Toast.LENGTH_SHORT).show()
+        }
+    }
+
+
+
 
     private fun displayLyrics(song: SongWithLyrics) {
         binding.lyricsView.syncedRecycler.visibility = View.GONE
@@ -235,5 +296,6 @@ class FastLyricsFragment : Fragment() {
     companion object {
         private const val TAG = "FastLyricsFragment"
         private const val SCROLL_DURATION = 1000
+        private const val PERMISSION_REQUEST_CODE = 1001
     }
 }

app/src/main/java/io/github/teccheck/fastlyrics/ui/fastlyrics/FastLyricsViewModel.kt

@@ -15,13 +15,15 @@ import io.github.teccheck.fastlyrics.model.SongWithLyrics
 import io.github.teccheck.fastlyrics.service.DummyNotificationListenerService
 import java.util.Timer
 import kotlin.concurrent.scheduleAtFixedRate
+import kotlin.math.log
 
 class FastLyricsViewModel : ViewModel() {
 
     private val _songMeta = MutableLiveData<Result<SongMeta, LyricsApiException>>()
     private val _songWithLyrics = MutableLiveData<Result<SongWithLyrics, LyricsApiException>>()
     private val _songWithLyricsSynced = MutableLiveData<Result<SongWithLyrics, LyricsApiException>>()
     private val _songPosition = MutableLiveData<Long>()
+     var storeLyric=""
 
     private var songPositionTimer: Timer? = null
 
@@ -55,6 +57,9 @@ class FastLyricsViewModel : ViewModel() {
 
         if (songMetaResult is Success) {
             loadLyrics(songMetaResult.value)
+            storeLyric=songMetaResult.value.toString()
+
+            Log.d(TAG, "Stored lyric: $storeLyric")
         }
 
         return songMetaResult is Success

app/src/main/java/io/github/teccheck/fastlyrics/ui/viewlyrics/ViewLyricsFragment.kt

@@ -1,11 +1,18 @@
 package io.github.teccheck.fastlyrics.ui.viewlyrics
 
+import android.Manifest
+import android.content.Context
+import android.content.pm.PackageManager
 import android.os.Build
 import android.os.Bundle
+import android.os.Environment
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.widget.Toast
 import androidx.appcompat.content.res.AppCompatResources
+import androidx.core.app.ActivityCompat
+import androidx.core.content.ContextCompat
 import androidx.fragment.app.Fragment
 import androidx.lifecycle.ViewModelProvider
 import com.squareup.picasso.Picasso
@@ -17,10 +24,17 @@ import io.github.teccheck.fastlyrics.model.LyricsType
 import io.github.teccheck.fastlyrics.model.SearchResult
 import io.github.teccheck.fastlyrics.model.SongWithLyrics
 import io.github.teccheck.fastlyrics.model.SyncedLyrics
+import io.github.teccheck.fastlyrics.ui.fastlyrics.FastLyricsFragment
 import io.github.teccheck.fastlyrics.utils.Utils
 import io.github.teccheck.fastlyrics.utils.Utils.copyToClipboard
 import io.github.teccheck.fastlyrics.utils.Utils.openLink
 import io.github.teccheck.fastlyrics.utils.Utils.share
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
+import java.io.File
+import java.io.FileOutputStream
 
 class ViewLyricsFragment : Fragment() {
 
@@ -96,8 +110,46 @@ class ViewLyricsFragment : Fragment() {
                 song.lyrics
             )
         }
+        binding.lyricsView.download.setOnClickListener {
+            if (ContextCompat.checkSelfPermission(
+                    requireContext(),
+                    Manifest.permission.WRITE_EXTERNAL_STORAGE
+                ) != PackageManager.PERMISSION_GRANTED
+            ) {
+
+                Toast.makeText(requireContext(), "Tap download again after allowing", Toast.LENGTH_SHORT).show()
+                CoroutineScope(Dispatchers.Main).launch {
+                    delay(1000) // Delay for 1 second
+                    // After delay, request permission
+                    ActivityCompat.requestPermissions(
+                        requireActivity(),
+                        arrayOf(Manifest.permission.WRITE_EXTERNAL_STORAGE),
+                        ViewLyricsFragment.PERMISSION_REQUEST_CODE
+                    )
+                }
+            } else {
+                // Permission is already granted, proceed with saving the lyrics to a file
+                saveLyricsToFile(requireContext(), song.title, song.lyrics)
+            }
+        }
+    }
+    private fun saveLyricsToFile(context: Context, title: String, lyrics: String) {
+        val externalStorageState = Environment.getExternalStorageState()
+        if (externalStorageState == Environment.MEDIA_MOUNTED) {
+            val file = File(
+                Environment.getExternalStorageDirectory(),
+                "$title.txt"
+            )
+            FileOutputStream(file).use { fos ->
+                fos.write(lyrics.toByteArray())
+            }
+            Toast.makeText(context, "Lyrics saved to $title.txt", Toast.LENGTH_SHORT).show()
+        } else {
+            Toast.makeText(context, "External storage not available", Toast.LENGTH_SHORT).show()
+        }
     }
 
+
     private fun displayLyrics(song: SongWithLyrics) {
         binding.lyricsView.textLyrics.text = if (song.type == LyricsType.LRC) {
             val syncedLyrics = SyncedLyrics.parseLrc(song.lyrics)
@@ -120,5 +172,6 @@ class ViewLyricsFragment : Fragment() {
         private const val TAG = "ViewLyricsFragment"
         const val ARG_SONG_ID = "song_id"
         const val ARG_SEARCH_RESULT = "search_result"
+        const val PERMISSION_REQUEST_CODE = 1001
     }
 }

app/src/main/java/io/github/teccheck/fastlyrics/utils/Utils.kt

@@ -1,5 +1,11 @@
 package io.github.teccheck.fastlyrics.utils
 
+import android.content.Context
+import android.os.Environment
+import java.io.File
+import java.io.FileWriter
+import java.io.IOException
+
 import android.content.ClipData
 import android.content.ClipboardManager
 import android.content.Intent

app/src/main/res/drawable/baseline_file_download_24.xml

@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#000000"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M19,9h-4V3H9v6H5l7,7 7,-7zM5,18v2h14v-2H5z"/>
+</vector>

app/src/main/res/layout/layout_lyrics.xml

@@ -75,9 +75,21 @@
                     android:text="@string/share"
                     app:cornerRadius="32dp"
                     app:icon="?attr/actionModeShareDrawable" />
+
+                <com.google.android.material.button.MaterialButton
+                    android:id="@+id/download"
+                    style="@style/Widget.MaterialComponents.Button.OutlinedButton"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_marginStart="16dp"
+                    android:text="Download"
+                    app:cornerRadius="32dp"
+                    app:icon="@drawable/baseline_file_download_24" />
             </LinearLayout>
+
         </HorizontalScrollView>
 
+
         <androidx.constraintlayout.widget.ConstraintLayout
             android:layout_width="match_parent"
             android:layout_height="wrap_content"