应用启动器图标已更改为Oreo上的默认图标 [英] app launcher icon changed to default icon on Oreo

问题描述

我创建了一个带有自己的启动器图标的Android应用.它与牛轧糖效果很好.但是在Oreo中，我的图标已替换为默认的Android图标. 我已经在Mipmap资源中定义了ic_launcher.png和ic_launcher_round.png的几种密度.

I have created an Android app with its own launcher icon. It worked well with Nougat. But with Oreo, my icon is replaced by the default Android icon. I have defined ic_launcher.png and ic_launcher_round.png in the mipmap resources for several densities.

我的清单包含以下行:

android:roundIcon="@mipmap/ic_launcher_round"

我应该怎么做才能使自己的图标出现在奥利奥(Oreo)上?

What should I do to make my own icon appear on Oreo ?

推荐答案

对于API 26+，默认的Android应用程序模板定义了另一个图标资源文件夹

For API 26+ default Android application template defines another icon resource folder

mipmap-anydpi-v26

该文件夹(通常)包含两个xml文件ic_launcher和ic_launcher_round，它们与API 26+清单中声明的​​图标资源相匹配

That folder (usually) contains two xml files ic_launcher and ic_launcher_round that match icon resources declared in manifest for API 26+

这些文件的内容如下:

<?xml version="1.0" encoding="utf-8"?>
<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
    <background android:drawable="@drawable/ic_launcher_background"/>
    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
</adaptive-icon>

为了拥有图标，您还需要更改在那里列出的所有可绘制对象(在所有密度桶中)-即ic_launcher_background和ic_launcher_foreground

In order to have your icon you also need to change all drawables (in all density buckets) listed there - namely ic_launcher_background and ic_launcher_foreground

或者您可以只删除该文件夹，在这种情况下，android将回退到使用png图标，但它们不会原样显示，并且通常会绘制在白色背景上.

Or you can just delete that folder, in which case android will fallback to using your png icons, but they will not appear as-is and will be commonly drawn on top of white background.

您可以在以下位置阅读更多信息:自适应图标

You can read more at: Adaptive icons

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