Android Activity透明背景主题
<style name="Activity_Transparent" parent="Theme.AppCompat.DayNight.NoActionBar"> <item name="android:windowBackground">@color/transparent</item> <item name="android:windowIsTranslucent">true</item> <item name="android:windowNoTitle">true</item> <item name="android:windowFullscreen">true</item> <item name="android:windowAnimationStyle">@android:style/Animation.Translucent</item> </style>