87 lines
3.3 KiB
Kotlin
87 lines
3.3 KiB
Kotlin
package sushi.hardcore.droidfs.file_viewers
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import android.media.MediaPlayer
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import android.os.Handler
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import android.widget.SeekBar
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import androidx.core.content.ContextCompat
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import kotlinx.android.synthetic.main.activity_audio_player.*
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import sushi.hardcore.droidfs.ConstValues
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import sushi.hardcore.droidfs.R
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import sushi.hardcore.droidfs.widgets.ColoredAlertDialog
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import java.io.File
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import java.io.IOException
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class AudioPlayer: FileViewerActivity(){
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private lateinit var player: MediaPlayer
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private var isPrepared = false
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override fun viewFile() {
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setContentView(R.layout.activity_audio_player)
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val filename = File(filePath).name
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val pos = filename.lastIndexOf('.')
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music_title.text = if (pos != -1){
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filename.substring(0,pos)
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} else {
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filename
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}
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val tmpFileUri = exportFile(filePath)
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tmpFileUri?.let {
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player = MediaPlayer()
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player.setDataSource(this, tmpFileUri)
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try {
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player.prepare()
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isPrepared = true
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} catch (e: IOException){
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ColoredAlertDialog(this)
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.setTitle(R.string.error)
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.setMessage(getString(R.string.media_player_prepare_failed))
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.setCancelable(false)
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.setPositiveButton(R.string.ok) { _, _ -> finish() }
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.show()
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}
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if (isPrepared){
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player.isLooping = true
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button_pause.setOnClickListener {
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if (player.isPlaying) {
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player.pause()
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button_pause.setImageDrawable(ContextCompat.getDrawable(this, R.drawable.icon_play))
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} else {
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player.start()
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button_pause.setImageDrawable(ContextCompat.getDrawable(this, R.drawable.icon_pause))
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}
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}
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button_stop.setOnClickListener { finish() }
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seekbar.max = player.duration / ConstValues.seek_bar_inc
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val handler = Handler()
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runOnUiThread(object : Runnable {
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override fun run() {
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if (isPrepared) {
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seekbar.progress = player.currentPosition / ConstValues.seek_bar_inc
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}
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handler.postDelayed(this, ConstValues.seek_bar_inc.toLong())
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}
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})
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seekbar.setOnSeekBarChangeListener(object : SeekBar.OnSeekBarChangeListener {
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override fun onProgressChanged(seekBar: SeekBar, progress: Int, fromUser: Boolean) {
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if (::player.isInitialized && fromUser) {
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player.seekTo(progress * ConstValues.seek_bar_inc)
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}
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}
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override fun onStartTrackingTouch(seekBar: SeekBar) {}
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override fun onStopTrackingTouch(seekBar: SeekBar) {}
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})
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player.start()
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}
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}
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}
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override fun onDestroy() {
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super.onDestroy()
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if (::player.isInitialized) {
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if (player.isPlaying) {
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player.stop()
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}
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isPrepared = false
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player.release()
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}
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}
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} |