在Android中，设置高程仍在ActionBar下方显示阴影 [英] Set elevation still display shadow below ActionBar in Android

问题描述

在values/styles.xml内部，我已将<item name="elevation">0dp</item>设置为我的AppTheme样式.在values-21/styles.xml里面，我已经设置了<item name="android:elevation">0dp</item>，我也尝试了这个 <item name="android:windowContentOverlay">@null</item>.我还尝试了Clean项目和Rebuild项目.并尝试Invalidate Caches and Restart.但是我的模拟器仍然显示阴影，请参见以下屏幕.

Inside values/styles.xml I have set <item name="elevation">0dp</item> to my AppTheme style. and inside values-21/styles.xml I have set <item name="android:elevation">0dp</item> and I Have also try this <item name="android:windowContentOverlay">@null</item>.I have also try to Clean the Project and Rebuild the Project. and also try to Invalidate Caches and Restart. But my Emulator still display shadow see the below screen.

问题:

如何将下面的阴影删除到ActionBar.

How to remove that shadow below to ActionBar.

ScreenShot:

推荐答案

我不知道为什么elevation在style中不起作用.但是当我以编程方式设置它时，一切正常.

I don't know why elevation is not work in style. but When I set it programatically It's just work fine.

 getSupportActionBar().setElevation(0);

输出:

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