blocks|key|232017|text|好吧，可能没有其他方法可以使用API，除非我忘记了什么。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|232018|但是我可以使用调光，这也很酷，就像写的here一样|offset|length|232019|WindowManager.LayoutParams+lp+=+dialog.getWindow().getAttributes();++
lp.dimAmount=0.0f;++
dialog.getWindow().setAttributes(lp);++
dialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_BLUR_BEHIND);++|code-block|syntax|javascript|232020|entityMap|0|LINK|mutability|MUTABLE|url|http://www.stealthcopter.com/blog/2010/01/android-blurring-and-dimming-background-windows-from-dialogs/^0|0|J|4|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|T|8|@]|9|@$D|U|E|V|1|W]]|A|$]]|$1|F|3|G|5|H|7|X|8|@]|9|@]|A|$I|J]]|$1|K|3|-4|5|6|7|Y|8|@]|9|@]|A|$]]]|L|$M|$5|N|O|P|A|$Q|R]]]]

ok , there is probably no alternative that uses the API , unless maybe i've forgetting anything.

i can however use dimming , which is cool too, as written <a href="http://www.stealthcopter.com/blog/2010/01/android-blurring-and-dimming-background-windows-from-dialogs/" rel="noreferrer">here</a>:

<pre><code>WindowManager.LayoutParams lp = dialog.getWindow().getAttributes(); 
lp.dimAmount=0.0f; 
dialog.getWindow().setAttributes(lp); 
dialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_BLUR_BEHIND); 
</code></pre>

blocks|key|230612|text|当心|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|230613|WindowManager.LayoutParams.FLAG_BLUR_BEHIND|230614|已弃用..(至少在Android+4.0中，它会在背景中显示黑屏...)|230615|参考资料(来源)：http://developer.android.com/reference/android/view/WindowManager.LayoutParams.html|230616|230617|+int+FLAG_BLUR_BEHIND+此常量已弃用。不再支持模糊。|blockquote|230618|230619|230620|public+static+final+int+FLAG_BLUR_BEHIND

Since:+API+Level+1
This+constant+is+deprecated.
Blurring+is+no+longer+supported.

Window+flag:+blur+everything+behind+this+window.

Constant+Value:+4+(0x00000004)|code-block|syntax|javascript|230621|太可怜了..。:(+(效果不错;))|230622|entityMap|0|LINK|mutability|MUTABLE|url|http://developer.android.com/reference/android/view/WindowManager.LayoutParams.html^0|0|2|0|0|3|X|0|0|2K|9|2B|0|0|0|0|10|0|0|0|0|0|I|0^^$0|@$1|2|3|4|5|6|7|16|8|@$9|17|A|18|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|19|8|@]|D|@]|E|$]]|$1|H|3|I|5|6|7|1A|8|@$9|1B|A|1C|B|C]]|D|@]|E|$]]|$1|J|3|K|5|6|7|1D|8|@$9|1E|A|1F|B|C]]|D|@$9|1G|A|1H|1|1I]]|E|$]]|$1|L|3|-4|5|6|7|1J|8|@]|D|@]|E|$]]|$1|M|3|N|5|O|7|1K|8|@$9|1L|A|1M|B|C]]|D|@]|E|$]]|$1|P|3|-4|5|6|7|1N|8|@]|D|@]|E|$]]|$1|Q|3|-4|5|6|7|1O|8|@]|D|@]|E|$]]|$1|R|3|S|5|T|7|1P|8|@]|D|@]|E|$U|V]]|$1|W|3|X|5|6|7|1Q|8|@$9|1R|A|1S|B|C]]|D|@]|E|$]]|$1|Y|3|-4|5|6|7|1T|8|@]|D|@]|E|$]]]|Z|$10|$5|11|12|13|E|$14|15]]]]

watch out that 

WindowManager.LayoutParams.FLAG_BLUR_BEHIND

is deprecated.. (at least at Android 4.0 it leads to a black screen in background...)

Reference (Source):
<a href="http://developer.android.com/reference/android/view/WindowManager.LayoutParams.html" rel="nofollow">http://developer.android.com/reference/android/view/WindowManager.LayoutParams.html</a>

<blockquote>
 int FLAG_BLUR_BEHIND This constant is deprecated. Blurring is no longer supported.
</blockquote>

<pre><code>public static final int FLAG_BLUR_BEHIND

Since: API Level 1
This constant is deprecated.
Blurring is no longer supported.

Window flag: blur everything behind this window.

Constant Value: 4 (0x00000004)
</code></pre>

what a pitty .. :( (was a nice effect ;))

blocks|key|3101584|text|我觉得你应该试试ShowCaseView库。用于突出显示Android上的元素。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3101585|ShowcaseView库旨在向用户突出显示应用程序的特定部分，并提供独特而有吸引力的覆盖。这个库非常适合为用户指出兴趣点、手势或晦涩但有用的项目。|3101586|Github链接：https://github.com/amlcurran/ShowcaseView|offset|length|3101587|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/amlcurran/ShowcaseView^0|0|0|9|15|0|0^^$0|@$1|2|3|4|5|6|7|P|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|Q|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|R|8|@]|9|@$F|S|G|T|1|U]]|A|$]]|$1|H|3|-4|5|6|7|V|8|@]|9|@]|A|$]]]|I|$J|$5|K|L|M|A|$N|O]]]]

I Think u should try ShowCaseView Library. For Highlighting the Elements on Android.

The ShowcaseView library is designed to highlight and showcase specific parts of apps to the user with a distinctive and attractive overlay. This library is great for pointing out points of interest for users, gestures, or obscure but useful items.

Github Link : <a href="https://github.com/amlcurran/ShowcaseView" rel="nofollow">https://github.com/amlcurran/ShowcaseView</a>

I can see that when I use the same flag as shown on the API-demos for blurring the background, I get a warning that it's deprecated:

<blockquote>
 "The field WindowManager.LayoutParams.FLAG_BLUR_BEHIND is deprecated".
</blockquote>

I've read about it, and I've found that "Blurring is no longer supported".

Does it mean that it won't work on future versions? Why did they deprecate it? Is there an alternative? I really like this feature.

Alternative to "FLAG_BLUR_BEHIND" in Android?

Android

我可以看到，当我使用与API-demos中显示的相同的标志来模糊背景时，我得到了一个警告，表明它已被弃用：“字段WindowManager.LayoutParams.FLAG_BLUR_BEHIND已弃用”。我读到过它，我发现“模糊不再被支持”。这是否意味着它不能在未来的版本中工作？他们为什么要弃用它？有没有别的选择？...

问安卓系统中"FLAG_BLUR_BEHIND“的替代方案？
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问安卓系统中"FLAG_BLUR_BEHIND“的替代方案？
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