Pantalla de inicio de Android VectorDrawable

Quiero mostrar un VectorDrawable en mi splash sreen

<?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>

Mi SVG tiene android:width="320dp"yandroid:height="238dp"

<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"/>
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        android:fillColor="#E6E6E6"/>
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        android:fillColor="#3F3D56"/>
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        android:strokeAlpha="0.2"
        android:fillColor="#000000"
        android:fillAlpha="0.2"/>
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        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>

Lo probé en Android 8 (dispositivo de 360dp x 640dp) y todo está bien, pero en Android 5.1.1 (dispositivo de 320dp x 480dp) está deformado, mi pantalla llena de VectorDrawable y pierdo su relación de aspecto, ¿cómo puedo solucionarlo?

y tema

<?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>

— Administrador de página web
fuente

@ManiKandan ¿Por qué 24dp? mi SVG no es un ícono, es una gran ilustración

— WebMaster

@ManiKandan Actualicé la publicación y agregué el vector completo

— WebMaster

Lo publiqué antes, el primer xml es mi diseño de bienvenida y el segundo xml es vector, el tercero es el tema

— WebMaster

Tuve el mismo problema, mira mi respuesta aquí stackoverflow.com/questions/50327633/…

— quealegriamasalegre

También puede ver una versión resumida de mi respuesta a este problema a continuación

— quealegriamasalegre

VectorDrawabledefine un objeto dibujable estático. Similar al formato SVG, cada gráfico vectorial se define como una jerarquía de árbol, que se compone de objetos de ruta y grupo. Cada ruta contiene la geometría del contorno del objeto y el grupo contiene detalles para la transformación.

Puede usar SDP , una unidad de tamaño escalable.

Un SDK de Android que proporciona una nueva unidad de tamaño: sdp (dp escalable). Esta unidad de tamaño se escala con el tamaño de la pantalla. Puede ayudar a los desarrolladores de Android a soportar múltiples pantallas.

Para agregar sdp a su proyecto (Uso de Android Studio y Gradle) build.gradle

dependencies {
  implementation 'com.intuit.sdp:sdp-android:1.0.6'
}

Ahora agregue sdp en lugar de dp .

<vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="@dimen/_300sdp"
    android:height="@dimen/_225sdp"
    android:viewportWidth="512"
    android:viewportHeight="512">

Nota: Use AppCompatImageView (With app:srcCompat) en lugar de ImageView en su diseño.

 <android.support.v7.widget.AppCompatImageView //Or androidx.appcompat.widget.AppCompatImageView
    app:srcCompat="@drawable/your_svg"
    />

— IntelliJ Amiya
fuente

pero ¿ayuda realmente viewview cuando se implementa una pantalla de bienvenida de la manera "correcta"? de todos modos si conserva la relación de aspecto en todas las API, supongo que funciona

— quealegriamasalegre

El problema tiene que ver con las API 21, 22 y 23 para aquellos que necesita para envolver el dibujo alrededor de un mapa de bits. lo que debe hacer es crear 2 versiones de su lista de capas dibujables y poner una en drawable-v22 y la otra en drawable-v24, si estas carpetas no existen, simplemente créelas dentro de res / y tenga en cuenta que necesita configurar el proyecto ver para señalar para verlos (ver imagen a continuación).

para v24 solo usa el que ya tiene:

<?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>

para drawable-v21 utiliza lo siguiente (tenga en cuenta que, por alguna razón, estos drawable no funcionarán en API superiores a 23)

<?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 tomará el primer o el segundo activo dependiendo de la API del dispositivo y luego su pantalla de presentación se verá genial en todos los dispositivos.

Por cierto, aquí está la documentación sobre otras personalizaciones que puede implementar no solo en la API del dispositivo, sino también en tamaños de pantalla, resolución y muchos más.

— quealegriamasalegre
fuente