blocks|key|854892|text|若要使背景透明，请将shape设置为None。见下图：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|854893|​|854894|📷|atomic|854895|854896|编辑：|854897|对于AndroidStudio3.0，您可以通过Legacy选项卡设置它|854898|854899|854900|854901|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://developer.qcloudimg.com/http-save/yehe-900000/a552c7e3fda177806c388a6788e94207.png|imageAlt|1|https://developer.qcloudimg.com/http-save/yehe-900000/7f4ad92998a72789713435481c8d3c74.png^0|A|5|I|4|0|0|0|1|0|0|0|0|O|6|0|0|0|1|1|0|0^^$0|@$1|2|3|4|5|6|7|13|8|@$9|14|A|15|B|C]|$9|16|A|17|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|18|8|@]|D|@]|E|$]]|$1|H|3|I|5|J|7|19|8|@]|D|@$9|1A|A|1B|1|1C]]|E|$]]|$1|K|3|G|5|6|7|1D|8|@]|D|@]|E|$]]|$1|L|3|M|5|6|7|1E|8|@]|D|@]|E|$]]|$1|N|3|O|5|6|7|1F|8|@$9|1G|A|1H|B|C]]|D|@]|E|$]]|$1|P|3|G|5|6|7|1I|8|@]|D|@]|E|$]]|$1|Q|3|I|5|J|7|1J|8|@]|D|@$9|1K|A|1L|1|1M]]|E|$]]|$1|R|3|G|5|6|7|1N|8|@]|D|@]|E|$]]|$1|S|3|-4|5|6|7|1O|8|@]|D|@]|E|$]]]|T|$U|$5|V|W|X|E|$Y|Z|10|-4]]|11|$5|V|W|X|E|$Y|12|10|-4]]]]

To make background transparent, set <code>shape</code> as <code>None</code>.
See the image below:

<a href="https://i.stack.imgur.com/wThIh.png" rel="noreferrer"><img src="https://i.stack.imgur.com/wThIh.png" alt="enter image description here"></a>

EDIT:

For Android Studio 3.0,
you can set it from <code>Legacy</code> Tab

<a href="https://i.stack.imgur.com/A8ckx.png" rel="noreferrer"><img src="https://i.stack.imgur.com/A8ckx.png" alt="enter image description here"></a>

blocks|key|1608910|text|我使用的是Android+Studio+3.0.1，如果上面的答案不适用于您，请尝试将icon+type转换为Legacy并选择Shape到None，默认的答案是Adaptive+and+Legacy。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1608911|​|1608912|📷|atomic|1608913|1608914|注意:一些设备安装了一个自动在图标中添加白色背景的启动器，这是正常的。|1608915|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://developer.qcloudimg.com/http-save/yehe-900000/2d1aa4e8d5be323224f3c7233c1f646a.png|imageAlt^0|5|K|17|9|1J|6|1S|5|1Y|4|29|J|0|0|0|1|0|0|0|0^^$0|@$1|2|3|4|5|6|7|W|8|@$9|X|A|Y|B|C]|$9|Z|A|10|B|C]|$9|11|A|12|B|C]|$9|13|A|14|B|C]|$9|15|A|16|B|C]|$9|17|A|18|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|19|8|@]|D|@]|E|$]]|$1|H|3|I|5|J|7|1A|8|@]|D|@$9|1B|A|1C|1|1D]]|E|$]]|$1|K|3|G|5|6|7|1E|8|@]|D|@]|E|$]]|$1|L|3|M|5|6|7|1F|8|@]|D|@]|E|$]]|$1|N|3|-4|5|6|7|1G|8|@]|D|@]|E|$]]]|O|$P|$5|Q|R|S|E|$T|U|V|-4]]]]

I'm using <code>Android Studio 3.0.1</code> and if the above answer doesn't work for you, try to change the <code>icon type</code> into <code>Legacy</code> and select <code>Shape</code> to <code>None</code>, the default one is <code>Adaptive and Legacy</code>.

<a href="https://i.stack.imgur.com/5Ftkr.png" rel="noreferrer"><img src="https://i.stack.imgur.com/5Ftkr.png" alt="enter image description here"></a>

Note: Some device has installed a launcher with automatically adding white background in icon, that's normal.

blocks|key|1609052|text|你有两种方法：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1609053|1)在背景层>缩放中，将调整大小的减小为1|offset|length|style|BOLD|1609054|​|1609055|📷|atomic|1609056|1609057|然后在“遗产”>“遗产图标”中，将形状设置为None|1609058|1609059|1609060|1609061|2)在背景层>缩放>源资产中，可以将图像设置为1x1像素(或任何大小)+transparent.png图像(您已经创建)。|1609062|1609063|1609064|1609065|1609066|1609067|1609068|1609069|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://developer.qcloudimg.com/http-save/yehe-900000/7b8995472f98b95d0f6d0393c4963d67.png|imageAlt|1|https://developer.qcloudimg.com/http-save/yehe-900000/fd35fc5f63b230ca5b3d4a318b3d01b9.png|2|https://developer.qcloudimg.com/http-save/yehe-900000/645b1df555ed77cde5f6196865f5220a.png|3^0|0|C|5|K|1|0|0|0|1|0|0|0|H|2|M|4|0|0|0|1|1|0|0|0|0|0|1|2|0|0|H|2|M|4|0|0|0|1|3|0|0^^$0|@$1|2|3|4|5|6|7|1F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|1G|8|@$D|1H|E|1I|F|G]|$D|1J|E|1K|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|1L|8|@]|9|@]|A|$]]|$1|J|3|K|5|L|7|1M|8|@]|9|@$D|1N|E|1O|1|1P]]|A|$]]|$1|M|3|I|5|6|7|1Q|8|@]|9|@]|A|$]]|$1|N|3|O|5|6|7|1R|8|@$D|1S|E|1T|F|G]|$D|1U|E|1V|F|G]]|9|@]|A|$]]|$1|P|3|I|5|6|7|1W|8|@]|9|@]|A|$]]|$1|Q|3|K|5|L|7|1X|8|@]|9|@$D|1Y|E|1Z|1|20]]|A|$]]|$1|R|3|I|5|6|7|21|8|@]|9|@]|A|$]]|$1|S|3|T|5|6|7|22|8|@]|9|@]|A|$]]|$1|U|3|I|5|6|7|23|8|@]|9|@]|A|$]]|$1|V|3|K|5|L|7|24|8|@]|9|@$D|25|E|26|1|27]]|A|$]]|$1|W|3|I|5|6|7|28|8|@]|9|@]|A|$]]|$1|X|3|O|5|6|7|29|8|@$D|2A|E|2B|F|G]|$D|2C|E|2D|F|G]]|9|@]|A|$]]|$1|Y|3|I|5|6|7|2E|8|@]|9|@]|A|$]]|$1|Z|3|K|5|L|7|2F|8|@]|9|@$D|2G|E|2H|1|2I]]|A|$]]|$1|10|3|I|5|6|7|2J|8|@]|9|@]|A|$]]|$1|11|3|-4|5|6|7|2K|8|@]|9|@]|A|$]]]|12|$13|$5|14|15|16|A|$17|18|19|-4]]|1A|$5|14|15|16|A|$17|1B|19|-4]]|1C|$5|14|15|16|A|$17|1D|19|-4]]|1E|$5|14|15|16|A|$17|1B|19|-4]]]]

You have two ways:

1) In Background Layer > Scaling, reduce the Resize to 1

<a href="https://i.stack.imgur.com/0Vfo9.png" rel="noreferrer"><img src="https://i.stack.imgur.com/0Vfo9.png" alt="enter image description here"></a>

and then in Legacy > Legacy Icon set Shape as None

<a href="https://i.stack.imgur.com/oaU9j.png" rel="noreferrer"><img src="https://i.stack.imgur.com/oaU9j.png" alt="enter image description here"></a>

<hr>

2) in Background Layer > Scaling > Source Asset, you can set an image as a 1x1 pixel (or any size) transparent.png image (you've already created).

<a href="https://i.stack.imgur.com/jsFAW.png" rel="noreferrer"><img src="https://i.stack.imgur.com/jsFAW.png" alt="enter image description here"></a>

and then in Legacy > Legacy Icon set Shape as None

<a href="https://i.stack.imgur.com/oaU9j.png" rel="noreferrer"><img src="https://i.stack.imgur.com/oaU9j.png" alt="enter image description here"></a>

blocks|key|1608877|text|在AndroidStudio3.0上，上述方法对我不起作用。它仍然显示了背景。我刚做了一个空的背景文件|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1608878|<?xml+version="1.0"+encoding="utf-8"?>
<vector
android:height="108dp"
android:width="108dp"
android:viewportHeight="108"
android:viewportWidth="108"
xmlns:android="http://schemas.android.com/apk/res/android">
</vector>|code-block|syntax|javascript|1608879|这起作用了，除了全出血层。|1608880|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

the above approach didn't work for me on Android Studio 3.0. It still shows the background. I just made an empty background file

<pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
&lt;vector
android:height="108dp"
android:width="108dp"
android:viewportHeight="108"
android:viewportWidth="108"
xmlns:android="http://schemas.android.com/apk/res/android"&gt;
&lt;/vector&gt;
</code></pre>

This worked except the full bleed layers

blocks|key|833133|text|这只是另一个解决办法。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|833134|对于“前台层”，选择“资产类型”作为文本，并删除文本字段中的默认文本。|ordered-list-item|833135|​|833136|📷|atomic|offset|length|833137|833138|对于“背景层”，选择“Asset”作为图像，然后选择您想要的图像的路径作为图标。|833139|833140|833141|833142|你可以走了。|833143|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://developer.qcloudimg.com/http-save/yehe-900000/33f02de62e69ac86e4dd33cc8df6f056.png|imageAlt|1|https://developer.qcloudimg.com/http-save/yehe-900000/9043b3b8db36560057d54d949e0f1e9b.png^0|0|0|0|0|1|0|0|0|0|0|0|1|1|0|0|0^^$0|@$1|2|3|4|5|6|7|14|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|15|8|@]|9|@]|A|$]]|$1|E|3|F|5|6|7|16|8|@]|9|@]|A|$]]|$1|G|3|H|5|I|7|17|8|@]|9|@$J|18|K|19|1|1A]]|A|$]]|$1|L|3|F|5|6|7|1B|8|@]|9|@]|A|$]]|$1|M|3|N|5|D|7|1C|8|@]|9|@]|A|$]]|$1|O|3|F|5|6|7|1D|8|@]|9|@]|A|$]]|$1|P|3|H|5|I|7|1E|8|@]|9|@$J|1F|K|1G|1|1H]]|A|$]]|$1|Q|3|F|5|6|7|1I|8|@]|9|@]|A|$]]|$1|R|3|S|5|6|7|1J|8|@]|9|@]|A|$]]|$1|T|3|-4|5|6|7|1K|8|@]|9|@]|A|$]]]|U|$V|$5|W|X|Y|A|$Z|10|11|-4]]|12|$5|W|X|Y|A|$Z|13|11|-4]]]]

This is just another workaround. 

<ol>
<li>For the 'Foreground Layer', select 'Asset type' as text and delete the default text in the text field.</li>
</ol>

<a href="https://i.stack.imgur.com/cgFIv.png" rel="noreferrer"><img src="https://i.stack.imgur.com/cgFIv.png" alt="Browse to your image path"></a>

<ol start="2">
<li>For the 'Background Layer', select 'Asset type' as image and now choose the path of the image you want as an icon.</li>
</ol>

<a href="https://i.stack.imgur.com/RfqEg.png" rel="noreferrer"><img src="https://i.stack.imgur.com/RfqEg.png" alt="enter image description here"></a>

And you are good to go.

blocks|key|832494|text|Android+3.5.3它与此配置一起工作。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|832495|​|832496|📷|atomic|offset|length|832497|832498|832499|832500|832501|832502|832503|832504|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://developer.qcloudimg.com/http-save/yehe-900000/3ebab0935ccc3a4ee7672aee90dea060.jpg|imageAlt|1|https://developer.qcloudimg.com/http-save/yehe-900000/3ae773cb52064a92d63e61de5203a8f8.jpg|2|https://developer.qcloudimg.com/http-save/yehe-900000/6ee03fa4e9d9adc065bd7a86420bc839.jpg^0|0|0|0|1|0|0|0|0|0|1|1|0|0|0|0|1|2|0|0^^$0|@$1|2|3|4|5|6|7|12|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|13|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|14|8|@]|9|@$G|15|H|16|1|17]]|A|$]]|$1|I|3|C|5|6|7|18|8|@]|9|@]|A|$]]|$1|J|3|C|5|6|7|19|8|@]|9|@]|A|$]]|$1|K|3|E|5|F|7|1A|8|@]|9|@$G|1B|H|1C|1|1D]]|A|$]]|$1|L|3|C|5|6|7|1E|8|@]|9|@]|A|$]]|$1|M|3|C|5|6|7|1F|8|@]|9|@]|A|$]]|$1|N|3|E|5|F|7|1G|8|@]|9|@$G|1H|H|1I|1|1J]]|A|$]]|$1|O|3|C|5|6|7|1K|8|@]|9|@]|A|$]]|$1|P|3|-4|5|6|7|1L|8|@]|9|@]|A|$]]]|Q|$R|$5|S|T|U|A|$V|W|X|-4]]|Y|$5|S|T|U|A|$V|Z|X|-4]]|10|$5|S|T|U|A|$V|11|X|-4]]]]

Android Studio 3.5.3 
It works with this configuration.

<a href="https://i.stack.imgur.com/G7kPd.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/G7kPd.jpg" alt="enter image description here"></a>

<a href="https://i.stack.imgur.com/28JEA.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/28JEA.jpg" alt="enter image description here"></a>

<a href="https://i.stack.imgur.com/cHr6e.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/cHr6e.jpg" alt="enter image description here"></a>

blocks|key|855397|text|我只是把我的视图背景(颜色代码)作为ClipArt或图像背景，它看起来像透明的或没有背景，当两者有相同的颜色与背景。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|855398|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

I Just put my view background (color code) as ClipArt or Image background, and it looks like transparent or no background where both have the same color as background.

blocks|key|855107|text|以下是我为使图像透明所采取的步骤：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|855108|我使用了一个使图像透明的在线网站，有很多这样的网站。对我来说，我使用这个https://www241.lunapic.com/editor/?action=transparent，有时使用这个http://www.online-image-editor.com/help/transparency|offset|length|855109|2-在Android+(我使用的是3.1.3版本)中，打开app+>+res+(右键单击)>+New+>+Image的图像资产|855110|📷|atomic|855111|​|855112|3-在路径中，选择从在线网站下载的透明图像的位置，并按显示的其他选项，然后下一步，然后完成。将在res/mipmap-density文件夹中创建图像mdpi(48×48)、hdpi(72×72)、xhdpi(96×96)、xhdpi(144×144)和xxxhdpi(192×192)的五种不同大小的图像。|style|BOLD|855113|855114|855115|4-如果您需要的大小(尺寸)不同，您可以使用这个网站http://nsimage.brosteins.com/上传您的PNG图像的最大规模，将使用在xxxhdpi。上传后，您可以下载一个压缩文件，其中包含res/drawable-density文件夹中的五个不同大小的图像。|855116|855117|855118|entityMap|0|LINK|mutability|MUTABLE|url|https://www241.lunapic.com/editor/?action=transparent|1|http://www.online-image-editor.com/help/transparency|2|IMAGE|IMMUTABLE|imageUrl|https://developer.qcloudimg.com/http-save/yehe-900000/867abeda9b9d1fecb447423a04812949.jpg|imageAlt|3|https://developer.qcloudimg.com/http-save/yehe-900000/3218ceec96fcebe8554c332c382232d6.jpg|4|http://nsimage.brosteins.com/|5|https://developer.qcloudimg.com/http-save/yehe-900000/ab249fdffd6434d1244ca52d93ef010f.jpg^0|0|10|1H|0|2O|1G|1|0|0|0|1|2|0|0|1C|I|0|0|1|3|0|0|2U|K|Q|T|4|0|0|1|5|0|0^^$0|@$1|2|3|4|5|6|7|1I|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|1J|8|@]|9|@$D|1K|E|1L|1|1M]|$D|1N|E|1O|1|1P]]|A|$]]|$1|F|3|G|5|6|7|1Q|8|@]|9|@]|A|$]]|$1|H|3|I|5|J|7|1R|8|@]|9|@$D|1S|E|1T|1|1U]]|A|$]]|$1|K|3|L|5|6|7|1V|8|@]|9|@]|A|$]]|$1|M|3|N|5|6|7|1W|8|@$D|1X|E|1Y|O|P]]|9|@]|A|$]]|$1|Q|3|I|5|J|7|1Z|8|@]|9|@$D|20|E|21|1|22]]|A|$]]|$1|R|3|L|5|6|7|23|8|@]|9|@]|A|$]]|$1|S|3|T|5|6|7|24|8|@$D|25|E|26|O|P]]|9|@$D|27|E|28|1|29]]|A|$]]|$1|U|3|I|5|J|7|2A|8|@]|9|@$D|2B|E|2C|1|2D]]|A|$]]|$1|V|3|L|5|6|7|2E|8|@]|9|@]|A|$]]|$1|W|3|-4|5|6|7|2F|8|@]|9|@]|A|$]]]|X|$Y|$5|Z|10|11|A|$12|13]]|14|$5|Z|10|11|A|$12|15]]|16|$5|17|10|18|A|$19|1A|1B|-4]]|1C|$5|17|10|18|A|$19|1D|1B|-4]]|1E|$5|Z|10|11|A|$12|1F]]|1G|$5|17|10|18|A|$19|1H|1B|-4]]]]

These are the steps I took to make an image transparent:

1- I used an online website which makes the image transparent, there are a lot of them. For me, I use this <a href="https://www241.lunapic.com/editor/?action=transparent" rel="nofollow noreferrer">https://www241.lunapic.com/editor/?action=transparent</a> and sometimes this <a href="http://www.online-image-editor.com/help/transparency" rel="nofollow noreferrer">http://www.online-image-editor.com/help/transparency</a>

2- In Android Studio (I'm using version 3.1.3), open Image Asset from app > res (right click) > New > Image Asset
<a href="https://i.stack.imgur.com/GbacR.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/GbacR.jpg" alt="Image Asset"></a>

3- In the Path, choose the location of the transparent image which you downloaded from the online website, and make the other options as shown, then Next, then Finish. The five different sizes of image mdpi(48×48), hdpi(72×72), xhdpi(96×96), xxhdpi(144×144), and xxxhdpi(192×192) will be created in the res/mipmap-density folders. 
<a href="https://i.stack.imgur.com/Stnls.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Stnls.jpg" alt="Image Asset Configuration"></a>

4- If you need sizes (dimensions) different from above, you can use this website <a href="http://nsimage.brosteins.com/" rel="nofollow noreferrer">http://nsimage.brosteins.com/</a> to upload your PNG image of biggest size that will be used in xxxhdpi. After uploading, you can download a zip file containing the five different sizes of image in the res/drawable-density folders.
<a href="https://i.stack.imgur.com/bsWD3.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/bsWD3.jpg" alt="enter image description here"></a>

blocks|key|855196|text|首先，从Image创建一个启动图标(Adaptive+and+Legacy)：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|855197|为背景层选择一个image，并将其调整为0%25或1%25，并在旧式选项卡中将shape设置为none。|855198|然后，删除项目窗口中的文件夹res/mipmap/ic_laucher_round，打开AndroidManifest.xml并从application元素中删除属性android:roundIcon="@mipmap/ic_launcher_round"。|855199|最后，从ic_launcher.xml中删除mipmap-anydpi-v26。|855200|注意:一些设备，如Nexus5X(Android8.1)，自动添加白色背景，什么也做不了。|855201|entityMap^0|H|L|0|8|5|Z|5|17|4|0|E|R|1T|B|2B|19|0|4|F|M|H|0|0^^$0|@$1|2|3|4|5|6|7|P|8|@$9|Q|A|R|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|S|8|@$9|T|A|U|B|C]|$9|V|A|W|B|C]|$9|X|A|Y|B|C]]|D|@]|E|$]]|$1|H|3|I|5|6|7|Z|8|@$9|10|A|11|B|C]|$9|12|A|13|B|C]|$9|14|A|15|B|C]]|D|@]|E|$]]|$1|J|3|K|5|6|7|16|8|@$9|17|A|18|B|C]|$9|19|A|1A|B|C]]|D|@]|E|$]]|$1|L|3|M|5|6|7|1B|8|@]|D|@]|E|$]]|$1|N|3|-4|5|6|7|1C|8|@]|D|@]|E|$]]]|O|$]]

First, create a launcher icon <code>(Adaptive and Legacy)</code> from Image Asset:

Select an <code>image</code> for background layer and resize it to 0% or 1% and
In legacy tab set <code>shape</code> to <code>none</code>.

Then, delete folder <code>res/mipmap/ic_laucher_round</code> in the project window and Open AndroidManifest.xml and remove attribute <code>android:roundIcon="@mipmap/ic_launcher_round"</code> from the <code>application</code> element.

In the end, delete <code>ic_launcher.xml</code> from <code>mipmap-anydpi-v26</code>.

Notice that: Some devices like Nexus 5X (Android 8.1) adding a white background automatically and can't do anything.

blocks|key|855454|text|将"Asset“设置为"+image+"，尝试为前景层和背景层设置相同的图像，保持相同的”调整大小“百分比。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|855455|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

With &quot;Asset Type&quot; set to &quot;Image&quot;, try setting the same image for the foreground and background layers, keeping the same &quot;Resize&quot; percentage.

blocks|key|1609501|text|我刚将图标添加为普通图标:新的->向量资产|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1609502|然后在Manifest文件中更改应用程序图标。|1609503|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

I just added the icon as a normal icon: New -&gt; Vector Asset
and then change the app icon in the Manifest file.

blocks|key|1609518|text|对于前景层，选择“文本”，然后删除内容文本，最后选择所需图像的路径作为图标。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1609519|在这里输入图像描述|offset|length|1609520|entityMap|0|LINK|mutability|MUTABLE|url|https://i.stack.imgur.com/jaD3v.png^0|0|0|9|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|O|8|@]|9|@$D|P|E|Q|1|R]]|A|$]]|$1|F|3|-4|5|6|7|S|8|@]|9|@]|A|$]]]|G|$H|$5|I|J|K|A|$L|M]]]]

For Foreground Layer choose &quot;Text&quot; and then delete the content text
Finaly choose the path of the image you want as an icon.
<a href="https://i.stack.imgur.com/jaD3v.png" rel="nofollow noreferrer">enter image description here</a>

blocks|key|855174|text|使用Android3.0.1，我注意到了这种奇怪的行为(解决方案)，首先:在source_asset中的背景层中，将asset_type从图像更改为颜色，而不是将其更改为图像。第二:在缩放时启用修剪，然后将其调整到一个很小的百分比，它将完美地工作。PS:如果你没有做第一步，缩放就不会起作用。如果有人对此有任何解释，请提供。步骤|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|855175|entityMap|0|LINK|mutability|MUTABLE|url|https://i.stack.imgur.com/9uHHI.jpg^0|4I|2|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

Using android 3.0.1
I noticed this weird behavior(solution),
First: in background layer in the source_asset change the asset_type from image to color and than change it back to image.
second: enable trim in scaling and then resize it to a small percentage and it will work perfectly.
PS: If u didn't do the first step the scaling wont take affect.
and if anyone have an explanation for this please provide. 
<a href="https://i.stack.imgur.com/9uHHI.jpg" rel="nofollow noreferrer">steps</a>

I have a .png logo for my app which doesn't have a background, when I add it to android studio as an Image Asset I am forced to have a background. The hex field doesn't accept 8 digit color codes, 6 digits only. Is there anyway to keep the background invisible?

Android Studio Image Asset Launcher Icon Background Color

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我的应用程序有一个.png徽标，它没有背景，当我把它作为图像资产添加到安卓工作室时，我不得不有一个背景。十六进制字段不接受8位颜色代码，仅接受6位数字。有什么办法让背景隐形吗？

问Android Studio图像资产启动程序图标背景色
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