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社区首页 >问答首页 >安卓启动屏幕VectorDrawable

安卓启动屏幕VectorDrawable
EN

Stack Overflow用户
提问于 2020-03-02 22:09:21
回答 2查看 1.9K关注 0票数 12

我想在我的飞溅板上展示一个VectorDrawable

代码语言:javascript
代码运行次数:0
复制
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
    <item
        android:drawable="@android:color/white"
        android:gravity="fill" />

    <item
        android:drawable="@drawable/splash_screen"
        android:gravity="bottom|center" />
</layer-list>

我的SVG有android:width="320dp"android:height="238dp"

代码语言:javascript
代码运行次数:0
复制
<vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="320dp"
    android:height="238dp"
    android:viewportWidth="320"
    android:viewportHeight="238">
  <group>
    <clip-path android:pathData="M0,0h320v238h-320z M 0,0"/>
    <path
        android:pathData="M0,143.311a160,4.476 0,1 0,320 0a160,4.476 0,1 0,-320 0z"
        android:fillColor="#E6E6E6"/>
    <path
        android:pathData="M245.269,94.815C245.067,94.818 244.865,94.821 244.66,94.821C244.455,94.821 244.253,94.818 244.051,94.815C233.341,94.572 225.578,87.88 227.554,80.859L232.372,63.73L233.59,59.396L255.177,59.764L256.488,64.004L261.653,80.693C263.839,87.753 256.076,94.572 245.269,94.815Z"
        android:fillColor="#3F3D56"/>
    <path
        android:pathData="M256.488,64.004C248.993,68.288 239.768,68.184 232.372,63.73L233.59,59.396L255.177,59.764L256.488,64.004Z"
        android:strokeAlpha="0.2"
        android:fillColor="#000000"
        android:fillAlpha="0.2"/>
    <path
        android:pathData="M255.577,81.427C256.51,77.952 259.575,72.938 268.17,66.893C283.16,56.35 274.218,48.444 273.83,48.113C273.017,47.418 273.137,46.638 274.109,46.371C275.252,46.143 276.437,46.419 277.361,47.128C277.846,47.529 289.044,57.092 272.129,68.988C256.906,79.695 260.142,86.685 260.179,86.752C260.587,87.499 259.933,88.097 258.717,88.089C257.501,88.081 256.183,87.469 255.774,86.723C255.688,86.565 254.709,84.662 255.577,81.427Z"
        android:fillColor="#3F3D56"/>
    <path
        android:pathData="M234.697,97.312C234.036,97.312 233.403,97.049 232.935,96.582C232.468,96.115 232.206,95.481 232.206,94.821L232.206,84.027C232.206,82.652 233.321,81.537 234.697,81.537C236.072,81.537 237.187,82.652 237.187,84.027L237.187,94.821C237.187,95.481 236.925,96.115 236.458,96.582C235.991,97.049 235.357,97.312 234.697,97.312L234.697,97.312Z"
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        android:pathData="M236.881,71.688C236.604,72.288 236.101,72.754 235.482,72.983C234.862,73.212 234.177,73.185 233.577,72.909L223.771,68.398C222.523,67.822 221.977,66.344 222.552,65.095C223.127,63.846 224.604,63.299 225.853,63.872L235.659,68.384C236.259,68.66 236.725,69.163 236.954,69.783C237.183,70.402 237.157,71.087 236.881,71.688L236.881,71.688Z"
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        android:pathData="M252.439,71.688C252.715,72.288 253.218,72.754 253.838,72.983C254.458,73.212 255.143,73.185 255.743,72.909L265.548,68.398C266.798,67.823 267.345,66.344 266.77,65.094C266.195,63.844 264.716,63.297 263.466,63.872L253.661,68.384C253.061,68.66 252.595,69.163 252.366,69.783C252.137,70.402 252.163,71.087 252.439,71.688Z"
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        android:pathData="M230.751,11.308C230.603,11.308 230.457,11.335 230.318,11.386C229.904,11.537 229.603,11.9 229.532,12.335L227.888,22.006C227.814,22.44 227.978,22.88 228.317,23.161C228.656,23.442 229.119,23.52 229.531,23.367L238.728,19.955C239.141,19.802 239.441,19.441 239.514,19.007C239.588,18.573 239.425,18.133 239.086,17.852L239.086,17.852L231.533,11.593C231.313,11.409 231.037,11.308 230.751,11.308Z"
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        android:fillColor="#3F3D56"/>
    <path
        android:pathData="M120.602,54.125m-3.239,0a3.239,3.239 0,1 1,6.479 0a3.239,3.239 0,1 1,-6.479 0"
        android:fillColor="#6C63FF"/>
    <path
        android:pathData="M40.699,90.118m-3.239,0a3.239,3.239 0,1 1,6.479 0a3.239,3.239 0,1 1,-6.479 0"
        android:fillColor="#6C63FF"/>
    <path
        android:pathData="M104.765,162.103m-3.239,0a3.239,3.239 0,1 1,6.479 0a3.239,3.239 0,1 1,-6.479 0"
        android:fillColor="#6C63FF"/>
    <path
        android:pathData="M186.108,63.843m-3.239,0a3.239,3.239 0,1 1,6.479 0a3.239,3.239 0,1 1,-6.479 0"
        android:fillColor="#6C63FF"/>
    <path
        android:pathData="M281.488,159.223m-3.239,0a3.239,3.239 0,1 1,6.479 0a3.239,3.239 0,1 1,-6.479 0"
        android:fillColor="#6C63FF"/>
    <path
        android:pathData="M284.727,74.281m-3.239,0a3.239,3.239 0,1 1,6.479 0a3.239,3.239 0,1 1,-6.479 0"
        android:fillColor="#6C63FF"/>
    <path
        android:pathData="M243.696,132.589m-3.239,0a3.239,3.239 0,1 1,6.479 0a3.239,3.239 0,1 1,-6.479 0"
        android:fillColor="#6C63FF"/>
  </group>
</vector>

我在Android8(360 dpx640‘s设备)上测试过,一切都还好,但是在Android5.1.1(320 dpx480’s设备)中,它变形了,我的VectorDrawable填充屏幕和松长比,我该如何修复呢?

和主题

代码语言:javascript
代码运行次数:0
复制
<?xml version="1.0" encoding="utf-8"?>
<resources>
    <style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
        <!-- Show a splash screen on the activity. Automatically removed when
             Flutter draws its first frame -->
        <item name="android:windowBackground">@drawable/launch_background</item>
    </style>
</resources>
EN

回答 2

Stack Overflow用户

回答已采纳

发布于 2020-03-05 00:47:31

VectorDrawable定义了一个静态可绘制对象。与SVG格式类似,每个矢量图形都被定义为由路径和组对象组成的树级。每条路径都包含对象轮廓的几何形状,组包含用于转换的详细信息。

您可以使用SDP -一个可伸缩的大小单位。

一个android,它提供了一个新的大小单元- sdp (可伸缩dp)。此大小单位与屏幕大小成比例。它可以帮助Android开发者支持多个屏幕。

将sdp添加到项目(使用Android和Gradle) build.gradle

代码语言:javascript
代码运行次数:0
复制
dependencies {
  implementation 'com.intuit.sdp:sdp-android:1.0.6'
}

现在添加sdp而不是dp

代码语言:javascript
代码运行次数:0
复制
<vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="@dimen/_300sdp"
    android:height="@dimen/_225sdp"
    android:viewportWidth="512"
    android:viewportHeight="512">

注意-在布局中使用AppCompatImageView (与app:srcCompat)一起使用而不是ImageView )。

代码语言:javascript
代码运行次数:0
复制
 <android.support.v7.widget.AppCompatImageView //Or androidx.appcompat.widget.AppCompatImageView
    app:srcCompat="@drawable/your_svg"
    />
票数 7
EN

Stack Overflow用户

发布于 2020-03-07 21:18:24

这个问题与API的21、22和23有关,因为您需要将绘图包在位图上。您需要做的是创建两个版本的可绘制层-列表,并将其中一个放入可绘制-V22和其他可绘制-v24,如果这些文件夹不存在,只需创建他们在res/和注意,您需要设置项目视图为poject,以看到他们(见下图)。

对于v24,只需使用您已经拥有的一个:

代码语言:javascript
代码运行次数:0
复制
<?xml version="1.0" encoding="utf-8"?><layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item
    android:drawable="@android:color/white"
    android:gravity="fill" />

<item

    android:gravity="center"
    android:src="@drawable/splash_screen" >
</item>

</layer-list>

对于draable-v21,您可以使用以下内容(请注意,由于某些原因,这些可绘制的API不能在API的更高( 23)上工作)

代码语言:javascript
代码运行次数:0
复制
<?xml version="1.0" encoding="utf-8"?><layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item
    android:drawable="@android:color/white"
    android:gravity="fill" />

<item android:gravity="center">
    <bitmap
        android:gravity="center"
        android:src="@drawable/splash_screen" />
</item>

</layer-list>

android将获得第一个或第二个资产,这取决于设备的API,然后在所有设备上你的屏幕都会看起来很棒。

顺便说一句,这里是关于其他自定义的文档,您不仅可以在设备API上实现,还可以在屏幕大小、分辨率等方面实现。

票数 3
EN
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接:

https://stackoverflow.com/questions/60501023

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