[feat] share ayah as audio

app/src/main/AndroidManifest.xml

@@ -102,9 +102,11 @@
         android:authorities="@string/file_authority"
         android:grantUriPermissions="true"
         android:exported="false">
+      tools:replace="android:authorities">
       <meta-data
           android:name="android.support.FILE_PROVIDER_PATHS"
-          android:resource="@xml/file_paths"/>
+      android:resource="@xml/file_paths"
+      tools:replace="android:resource" />
     </provider>
 
     <receiver android:name="androidx.media.session.MediaButtonReceiver">

app/src/main/java/com/quran/labs/androidquran/presenter/audio/AudioPresenter.kt

@@ -87,7 +87,7 @@ constructor(private val quranDisplayData: QuranDisplayData,
     lastAudioRequest?.let { play(it) }
   }
 
-  private fun getDownloadIntent(context: Context, request: AudioRequest): Intent? {
+  fun getDownloadIntent(context: Context, request: AudioRequest): Intent? {
     val qari = request.qari
     val audioPathInfo = request.audioPathInfo
     val path = audioPathInfo.localDirectory

app/src/main/java/com/quran/labs/androidquran/util/AudioUtils.kt

@@ -2,17 +2,25 @@ package com.quran.labs.androidquran.util
 
 import android.content.Context
 import android.content.Intent
+import android.media.MediaMetadataRetriever
+import android.net.Uri
 import androidx.annotation.VisibleForTesting
+import androidx.core.content.ContextCompat.startActivity
+import androidx.core.content.FileProvider
 import com.quran.data.core.QuranInfo
 import com.quran.data.model.SuraAyah
 import com.quran.labs.androidquran.common.audio.model.AudioConfiguration
 import com.quran.labs.androidquran.common.audio.model.QariItem
 import com.quran.labs.androidquran.common.audio.util.QariUtil
+import com.quran.labs.androidquran.dao.audio.AudioPathInfo
 import com.quran.labs.androidquran.service.AudioService
+import com.quran.labs.androidquran.ui.PagerActivity
+import com.quran.labs.androidquran.util.audioConversionUtils.CheapSoundFile
 import timber.log.Timber
-import java.io.File
-import java.util.Locale
+import java.io.*
+import java.util.*
 import javax.inject.Inject
+import kotlin.math.roundToInt
 
 class AudioUtils @Inject constructor(
   private val quranInfo: QuranInfo,
@@ -283,6 +291,101 @@ class AudioUtils @Inject constructor(
     }
   }
 
+  fun getLocalAudioPathInfo(qari: QariItem): AudioPathInfo? {
+    val localPath = getLocalQariUrl(qari)
+    if (localPath != null) {
+      val databasePath = getQariDatabasePathIfGapless(qari)
+      val urlFormat = if (databasePath.isNullOrEmpty()) {
+        localPath + File.separator + "%d" + File.separator +
+            "%d" + AUDIO_EXTENSION
+      } else {
+        localPath + File.separator + "%03d" + AUDIO_EXTENSION
+      }
+      return AudioPathInfo(urlFormat, localPath, databasePath)
+    }
+    return null
+  }
+
+  fun getMergedAudioFromSegments(segments: ArrayList<String>): String {
+    var mergedAudioPath = segments[0]
+    if (segments.size > 1) {
+      for (i in 1 until segments.size) {
+        mergedAudioPath = mergeAudios(mergedAudioPath, segments[i])!!
+      }
+    }
+    return mergedAudioPath
+  }
+
+  private fun mergeAudios(path1: String, path2: String): String? {
+    val tempAudioName = UUID.randomUUID().toString() + ".mp3"
+    val destFile = File(PagerActivity.audioCacheDirectory.path + File.separator + tempAudioName)
+    try {
+      val fileInputStream = FileInputStream(path1)
+      val bArr = ByteArray(1048576)
+      val fileOutputStream = FileOutputStream(destFile)
+      while (true) {
+        val read = fileInputStream.read(bArr)
+        if (read == -1) {
+          break
+        }
+        fileOutputStream.write(bArr, 0, read)
+        fileOutputStream.flush()
+      }
+      fileInputStream.close()
+      val fileInputStream2 = FileInputStream(path2)
+      while (true) {
+        val read2 = fileInputStream2.read(bArr)
+        if (read2 == -1) {
+          break
+        }
+        fileOutputStream.write(bArr, 0, read2)
+        fileOutputStream.flush()
+      }
+      fileInputStream2.close()
+      fileOutputStream.close()
+      return destFile.path
+    } catch (e2: FileNotFoundException) {
+      e2.printStackTrace()
+    } catch (e: IOException) {
+      e.printStackTrace()
+    }
+    return null
+  }
+
+  fun getSurahSegment(path: String, lowerCut: Int, upperCut: Int): String? {
+    if (lowerCut == 0 && upperCut == 0) {
+      return null
+    }
+    val tempAudioName = UUID.randomUUID().toString() + ".mp3"
+    val destFile = File(PagerActivity.audioCacheDirectory.path + File.separator + tempAudioName)
+    val mSoundFile = arrayOfNulls<CheapSoundFile>(1)
+    try {
+      mSoundFile[0] = CheapSoundFile.create(path, null)
+      val startTime = lowerCut.toFloat() / 1000
+      val endTime = upperCut.toFloat() / 1000
+      val samplesPerFrame = mSoundFile[0]?.samplesPerFrame
+      val sampleRate = mSoundFile[0]?.sampleRate
+      val avg = sampleRate?.div(samplesPerFrame!!)
+      val startFrames = (startTime * avg!!).roundToInt()
+      val endFrames = (endTime * avg).roundToInt()
+      mSoundFile[0]?.WriteFile(destFile, startFrames, endFrames - startFrames)
+    } catch (e: IOException) {
+      e.printStackTrace()
+    }
+    return destFile.absolutePath
+  }
+
+  fun getSurahDuration(context: Context,path: String): Int {
+    val mmr = MediaMetadataRetriever()
+    mmr.setDataSource(context, Uri.parse(path))
+    val durationStr = mmr.extractMetadata(MediaMetadataRetriever.METADATA_KEY_DURATION)
+    return durationStr!!.toInt()
+  }
+
+  fun getSurahAudioPath(audioPathInfo: AudioPathInfo, surah: Int): String? {
+    return String.format(Locale.US, audioPathInfo.urlFormat, surah)
+  }
+
   companion object {
     const val ZIP_EXTENSION = ".zip"
     const val AUDIO_EXTENSION = ".mp3"

app/src/main/java/com/quran/labs/androidquran/util/ShareUtil.kt

@@ -7,14 +7,18 @@ import android.content.Context
 import android.content.Intent
 import android.widget.Toast
 import androidx.annotation.StringRes
+import androidx.core.content.ContextCompat
+import androidx.core.content.FileProvider
 import com.quran.data.model.QuranText
+import com.quran.labs.androidquran.BuildConfig
 import com.quran.labs.androidquran.R
 import com.quran.labs.androidquran.common.LocalTranslation
 import com.quran.labs.androidquran.common.QuranAyahInfo
 import com.quran.labs.androidquran.data.QuranDisplayData
 import com.quran.labs.androidquran.model.translation.ArabicDatabaseUtils
 import com.quran.labs.androidquran.ui.util.ToastCompat
 import dagger.Reusable
+import java.io.File
 import java.text.NumberFormat
 import java.util.Locale
 import javax.inject.Inject
@@ -124,4 +128,15 @@ class ShareUtil @Inject internal constructor(private val quranDisplayData: Quran
       append("]")
     }
   }
+
+
+  fun shareAudioFileIntent(activity: Activity, file: File) {
+    val authorities = BuildConfig.APPLICATION_ID + ".fileprovider"
+    val uri = FileProvider.getUriForFile(activity, authorities, file)
+    val shareIntent = Intent(Intent.ACTION_SEND)
+    shareIntent.putExtra(Intent.EXTRA_STREAM, uri)
+    shareIntent.type = "audio/mp3"
+    shareIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
+    activity.startActivity(Intent.createChooser(shareIntent, activity.getString(R.string.share_audio_file_title)))
+  }
 }