这里介绍一个简易的音乐播放器,供大家参考,具体内容如下
效果图如下:
但是,由于这是一个简易版的音乐播放器,所播放的音乐只有一首,且被写死,但,操作却十分简单,方便理解!
这是代码的主要设计:
音乐主要存放在这一个文件中:
下面就来介绍各部分代码:
activity-main.xml:
& lt; & # 63; xml version=" 1.0 " encoding=" utf - 8 " & # 63;比;
& lt; RelativeLayout xmlns: android=" http://schemas.android.com/apk/res/android "
xmlns:工具=" http://schemas.android.com/tools "
android: id=癅 + id/activity_main”
android: layout_width=" match_parent "
android: layout_height=" match_parent "
android:背景=" # 696969 "比;
LinearLayout & lt;
android: layout_width=" match_parent "
android: layout_height=" 60 dp "
android: layout_marginTop=" 10 dp”
android: layout_alignParentTop=" true "
android: id=癅 + id/标题”
面向android:="水平"比;
& lt; TextView
android: layout_width=" match_parent "
android: layout_height=" wrap_content "
android: layout_marginTop=" 15 dp "
android: layout_marginBottom=" 3 dp”
android:文本="生僻字”
android: textSize=" 25 dp "
android:重力="中心"
android:输入textColor=" # ffffff "/比;
& lt;/LinearLayout>
& lt; TextView
android: layout_width=" match_parent "
android: layout_height=" 0.5 dp "
android:背景=" # afafaf”
android: layout_below=癅 + id/标题”/比;
& lt; ImageView
android: id=癅 + id/盘”
android: layout_width=" 280 dp”
android: layout_height=" 280 dp”
android: layout_centerHorizontal=" true "
android: layout_below=癅 + id/标题”
android: layout_marginTop=" 50 dp”
android: src=" https://www.yisu.com/zixun/@drawable xcvb "/比;
& lt; ImageView
android: id=癅 + id/针”
android: layout_width=" 120 dp”
android: layout_height=" 120 dp”
android: layout_below=癅 + id/标题”
android: layout_marginLeft=" 150 dp/比;
& lt;使用
android: id=癅 + id/music1”
android: layout_width=" match_parent "
android: layout_height=" wrap_content "
android: layout_above=癅 + id/rl”
android: layout_marginTop=" 20 dp”
android: layout_marginBottom=" 10 dp”
android:重力="中心"的在
& lt; SeekBar
android: id=癅 + id/music_seek_bar”
android: layout_width=" 240 dp”
android: layout_height=" wrap_content "/比;
& lt; TextSwitcher
android: id=癅 + id/text_switcher”
android: layout_width=" 80 dp”
android: layout_height=" 50 dp”
android: layout_toRightOf=癅 + id/music_seek_bar”比;
& lt; TextView
android: layout_width=" match_parent "
android: layout_height=" wrap_content "
android:文本=" 00:00/2:00 "
输入textColor=癅color/colorAccent”android:/比;
& lt;/TextSwitcher>
& lt;/RelativeLayout>
LinearLayout & lt;
android: layout_width=" match_parent "
android: layout_height=" 70 dp”
android:重力="中心"
android: id=癅 + id/rl”
android: layout_marginBottom=" 20 dp”
android: layout_alignParentBottom=" true "
面向android:="水平"比;
& lt; ImageView
android: id=癅 + id/playing_pre”
android: layout_width=" wrap_content "
android: layout_height=" wrap_content "
android: layout_gravity=" center_vertical "
android: src=" https://www.yisu.com/zixun/@drawable music_previous "/比;
& lt; ImageView
android: id=癅 + id/playing_play”
android: layout_width=" wrap_content "
android: layout_height=" wrap_content "
android: layout_gravity=" center_vertical "
android: src=" https://www.yisu.com/zixun/@drawable music_play "/比;
& lt; ImageView
android: id=癅 + id/playing_next”
android: layout_width=" wrap_content "
android: layout_height=" wrap_content "
android: layout_gravity=" center_vertical "
android: src=" https://www.yisu.com/zixun/@drawable music_next "/比;
& lt;/LinearLayout>
& lt;/RelativeLayout>
