Tela inicial do Android VectorDrawable

11

Quero mostrar um VectorDrawable no meu 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>

Meu SVG tem android:width="320dp"eandroid: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"/>
    <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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    <path
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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>

Testei no Android 8 (dispositivo 360dp x 640dp) e está tudo bem, mas no Android 5.1.1 (dispositivo 320dp x 480dp) está deformado, minha tela cheia do VectorDrawable e perde a proporção, como posso corrigi-lo?

e 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>
android  svg  splash-screen  android-vectordrawable 
— WebMaster
fonte
@ManiKandan Why 24dp ?? meu SVG não é um ícone, é uma grande ilustração
— WebMaster 3/03
@ManiKandan Atualizei a postagem e adicionei vetor completo
— WebMaster
Eu publiquei antes, o primeiro xml é o meu layout de splash e o segundo xml é o vetor, o terceiro é o tema
— WebMaster
Eu tive o mesmo problema, por favor veja a minha resposta aqui stackoverflow.com/questions/50327633/…
— quealegriamasalegre
você também pode olhar para uma versão resumida da minha resposta para esta questão abaixo
— quealegriamasalegre

Respostas:

6

VectorDrawabledefine um objeto desenhável estático. Semelhante ao formato SVG, cada gráfico de vetor é definido como uma hierarquia de árvore, composta de objetos de caminho e grupo. Cada caminho contém a geometria do contorno do objeto e o grupo contém detalhes para transformação.

Você pode usar o SDP - uma unidade de tamanho escalável.

Um SDK do Android que fornece uma nova unidade de tamanho - sdp (dp escalável). Essa unidade de tamanho é dimensionada com o tamanho da tela. Ele pode ajudar os desenvolvedores do Android a oferecer suporte a várias telas.

Para adicionar sdp ao seu projeto (usando o Android Studio e o Gradle) build.gradle

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

Agora adicione sdp em vez 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) em vez de ImageView no seu layout.

 <android.support.v7.widget.AppCompatImageView //Or androidx.appcompat.widget.AppCompatImageView
    app:srcCompat="@drawable/your_svg"
    />
— IntelliJ Amiya
fonte
mas o imageview realmente ajuda na implementação de uma tela inicial da maneira "certa"? de qualquer maneira, se preservar a proporção em todas as APIs, acho que funciona
— quealegriamasalegre
3

A questão tem a ver com as APIs 21, 22 e 23 para aqueles que você precisa envolver o drawable em torno de um bitmap. o que você precisa fazer é criar 2 versões da sua lista de camadas desenháveis ​​e colocar uma no drawable-v22 e a outra no drawable-v24, se essas pastas ainda não existirem, apenas crie-as dentro de res / e observe que você precisa definir o projeto visualizar para projetar para vê-los (veja a imagem abaixo).

para a v24, basta usar o que você já possui:

<?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, você usa o seguinte (observe que, por algum motivo, esses drawable não funcionarão nas APIs 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>

o Android utilizará o primeiro ou o segundo recurso, dependendo da API do dispositivo, e sua tela inicial ficará ótima em todos os dispositivos.

BTW aqui é a documentação em outras personalizações que você pode implementar não só na API dispositivo, mas também em tamanhos de tela, resolução e muito mais.

insira a descrição da imagem aqui

— quealegriamasalegre
fonte
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