audioplayer/src/main/res/layout/activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:paddingTop="@dimen/medium_margin">
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="@dimen/medium_margin"
android:layout_weight="1"
android:background="?attr/selectableItemBackgroundBorderless"
android:paddingBottom="@dimen/medium_margin"
android:src="@mipmap/music" />
<ImageButton
android:id="@+id/play_pause_btn"
android:layout_width="49dp"
android:layout_height="49dp"
android:layout_gravity="center_horizontal"
android:layout_marginTop="@dimen/medium_margin"
android:background="?attr/selectableItemBackgroundBorderless"
android:paddingBottom="@dimen/medium_margin"
android:src="@android:drawable/ic_media_play" />
<TextView
android:id="@+id/song_title"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:ellipsize="end"
android:gravity="center_horizontal"
android:maxLines="1"
android:textSize="14sp" />
<TextView
android:id="@+id/song_artist"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center_horizontal"
android:maxLines="1"
android:text="Simple Rock"
android:textSize="16sp" />
<SeekBar
android:id="@+id/progressbar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingBottom="@dimen/medium_margin"
android:paddingTop="@dimen/medium_margin" />
<TextView
android:id="@+id/tv_progress"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/progressbar"
android:layout_marginBottom="@dimen/medium_margin"
android:layout_marginLeft="@dimen/medium_margin"
android:layout_marginRight="@dimen/medium_margin"
android:gravity="center_horizontal"
android:maxLines="1" />
</LinearLayout>