不判断蓝牙状态，

endian11

2020-12-10 ee53c583bc2176e04059adfd1b6a82a081ddc53e

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<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_pressed="true" android:drawable="@drawable/ic_btn_save_press"></item>
<item android:state_pressed="false" android:drawable="@drawable/ic_btn_save_nopress"></item>
</selector>