code commit.

demos/multi-track/src/main/AndroidManifest.xml

@@ -18,8 +18,8 @@
  </intent-filter>
  </activity>
 
- <activity android:name=".MultiMusicActivity" />
- <activity android:name=".SimpleMultiTrackActivity" />
+ <activity android:name=".ui.MultiMusicActivity" />
+ <activity android:name=".ui.MultiTrackMainActivity" />
  </application>
 
 </manifest>

demos/multi-track/src/main/java/com/github/qingmei2/exoplayer/multi_track/MainActivity.kt

@@ -3,6 +3,8 @@ package com.github.qingmei2.exoplayer.multi_track
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
 import android.view.View
+import com.github.qingmei2.exoplayer.multi_track.ui.MultiMusicActivity
+import com.github.qingmei2.exoplayer.multi_track.ui.MultiTrackMainActivity
 
 class MainActivity : AppCompatActivity() {
 
@@ -21,6 +23,6 @@ class MainActivity : AppCompatActivity() {
  }
 
  private fun onSingleSongListClicked(view: View) {
- SimpleMultiTrackActivity.launch(this)
+ MultiTrackMainActivity.launch(this)
  }
 }

demos/multi-track/src/main/java/com/github/qingmei2/exoplayer/multi_track/entity/SongItem.kt

@@ -5,8 +5,11 @@ data class SongItem(val songName: String,
  val partItems: List<SongPartItem>)
 
 
-data class SongPartItem(val partName: String,
- val partType: String,
- val partPath: String,
- val mainType: Boolean,
- val defaultPlay: Boolean)
+data class SongPartItem(
+ val partId: String,
+ val partName: String,
+ val partType: String,
+ val partPath: String,
+ val mainType: Boolean,
+ val defaultPlay: Boolean
+)

demos/multi-track/src/main/java/com/github/qingmei2/exoplayer/multi_track/MultiMusicActivity.kt → demos/multi-track/src/main/java/com/github/qingmei2/exoplayer/multi_track/ui/MultiMusicActivity.kt

@@ -1,11 +1,12 @@
-package com.github.qingmei2.exoplayer.multi_track
+package com.github.qingmei2.exoplayer.multi_track.ui
 
 import android.content.Context
 import android.content.Intent
 import android.os.Bundle
 import android.view.View
 import android.widget.SeekBar
 import androidx.appcompat.app.AppCompatActivity
+import com.github.qingmei2.exoplayer.multi_track.R
 import com.github.qingmei2.exoplayer.multi_track.common.SimpleSeekBarListener
 import com.github.qingmei2.exoplayer.multi_track.utils.DemoDataSources
 import com.google.android.exoplayer2.DefaultRenderersFactory

demos/multi-track/src/main/java/com/github/qingmei2/exoplayer/multi_track/ui/MultiTrackListAdapter.kt

@@ -0,0 +1,59 @@
+package com.github.qingmei2.exoplayer.multi_track.ui
+
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.SeekBar
+import android.widget.TextView
+import androidx.annotation.MainThread
+import androidx.recyclerview.widget.DiffUtil
+import androidx.recyclerview.widget.ListAdapter
+import androidx.recyclerview.widget.RecyclerView
+import com.github.qingmei2.exoplayer.multi_track.R
+import com.github.qingmei2.exoplayer.multi_track.entity.SongPartItem
+
+class MultiTrackListAdapter(
+ diffUtil: DiffUtil.ItemCallback<SongPartItem> = MultiTrackListDiffUtil
+) : ListAdapter<SongPartItem, MultiTrackListViewHolder>(diffUtil) {
+
+ @MainThread
+ fun bindItems(items: List<SongPartItem>) {
+ this.submitList(items)
+ }
+
+ override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): MultiTrackListViewHolder {
+ return LayoutInflater.from(parent.context)
+ .inflate(R.layout.layout_listitem_song_track, parent, false)
+ .let { MultiTrackListViewHolder(it) }
+ }
+
+ override fun onBindViewHolder(holder: MultiTrackListViewHolder, position: Int) {
+ holder.binds(getItem(position))
+ }
+}
+
+private object MultiTrackListDiffUtil : DiffUtil.ItemCallback<SongPartItem>() {
+
+ override fun areItemsTheSame(oldItem: SongPartItem, newItem: SongPartItem): Boolean {
+ return oldItem.partId == newItem.partId
+ }
+
+ override fun areContentsTheSame(oldItem: SongPartItem, newItem: SongPartItem): Boolean {
+ return oldItem == newItem
+ }
+}
+
+class MultiTrackListViewHolder(view: View) : RecyclerView.ViewHolder(view) {
+
+ private lateinit var seekbar: SeekBar
+ private lateinit var trackName: TextView
+
+ init {
+ seekbar = view.findViewById(R.id.seek_bar)
+ trackName = view.findViewById(R.id.tv_track_name)
+ }
+
+ fun binds(trackItem: SongPartItem) {
+
+ }
+}

demos/multi-track/src/main/java/com/github/qingmei2/exoplayer/multi_track/ui/MultiTrackMainActivity.kt

@@ -0,0 +1,35 @@
+package com.github.qingmei2.exoplayer.multi_track.ui
+
+import android.content.Context
+import android.content.Intent
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+import com.github.qingmei2.exoplayer.multi_track.R
+import java.util.*
+
+/**
+ * 同时播放单曲多个音轨文件
+ */
+class MultiTrackMainActivity : AppCompatActivity() {
+
+ companion object Launcher {
+
+ fun launch(context: Context) {
+ val intent = Intent(context, MultiTrackMainActivity::class.java)
+ context.startActivity(intent)
+ }
+ }
+
+ private var mTimer: Timer? = null
+
+ override fun onCreate(savedInstanceState: Bundle?) {
+ super.onCreate(savedInstanceState)
+ setContentView(R.layout.activity_multi_track)
+
+ initVideoPlayer()
+ }
+
+ private fun initVideoPlayer() {
+
+ }
+}

demos/multi-track/src/main/res/layout/activity_multi_track.xml

@@ -12,6 +12,8 @@
  app:layout_constraintBottom_toBottomOf="parent"
  app:layout_constraintLeft_toLeftOf="parent"
  app:layout_constraintRight_toRightOf="parent"
- app:layout_constraintTop_toTopOf="parent" />
+ app:layout_constraintTop_toTopOf="parent"
+ tools:itemCount="5"
+ tools:listitem="@layout/layout_listitem_song_track" />
 
 </androidx.constraintlayout.widget.ConstraintLayout>

demos/multi-track/src/main/res/layout/layout_listitem_song_track.xml

@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http:https://schemas.android.com/apk/res/android"
+ xmlns:app="http:https://schemas.android.com/apk/res-auto"
+ xmlns:tools="http:https://schemas.android.com/tools"
+ android:layout_width="match_parent"
+ android:layout_height="match_parent">
+
+ <SeekBar
+ android:id="@+id/seek_bar"
+ android:layout_width="0dp"
+ android:layout_height="wrap_content"
+ android:progress="50"
+ app:layout_constraintLeft_toRightOf="@+id/tv_track_distance"
+ app:layout_constraintRight_toRightOf="parent"
+ app:layout_constraintTop_toBottomOf="@+id/tv_track_name" />
+
+ <TextView
+ android:id="@+id/tv_track_distance"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:layout_marginTop="4dp"
+ android:layout_marginBottom="4dp"
+ android:layout_marginLeft="16dp"
+ android:layout_marginRight="16dp"
+ android:text="Dis"
+ android:textSize="10sp"
+ app:layout_constraintLeft_toLeftOf="parent"
+ app:layout_constraintTop_toBottomOf="@+id/tv_track_name" />
+
+ <TextView
+ android:id="@+id/tv_track_name"
+ android:layout_width="0dp"
+ android:layout_height="wrap_content"
+ android:layout_marginTop="4dp"
+ android:layout_marginLeft="16dp"
+ android:layout_marginRight="16dp"
+ app:layout_constraintLeft_toLeftOf="parent"
+ app:layout_constraintRight_toRightOf="parent"
+ app:layout_constraintTop_toTopOf="parent"
+ tools:text="吉他" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>