Android MID BootSound

1.在init.rc中添加：

service bootsound /system/bin/bootsound

        user media

        group audio

        disabled

        oneshot

on property:init.svc.bootanim=running 

        start bootsound

on property:init.svc.bootanim=stopped

        stop bootsound

可根据环境变量在适当的地方开始bootsound服务，如：

on property:init.svc.bootanim=running

on property:init.svc.bootanim=stopped

on property:dev.bootcomplete=1

2.在/system/bin创建bootsound，并给予权限

#!/system/bin/sh

#bootsound - plays a sound at boot

stagefright -a -o /system/media/boot.mp3

3.在/system/media中添加boot.mp3文件，并给予权限