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Android 无法解析 Material 组件

转载 作者:塔克拉玛干 更新时间:2023-11-01 21:53:58 25 4
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我收到这个错误:

Cannot resolve symbol '@style/Widget.MaterialComponents.TextInputLayout.OutlineBox'

将此行添加到我的 XML 中的 TextInputLayout 后出现此错误:

style="@style/Widget.MaterialComponents.TextInputLayout.OutlineBox" 

这是我的完整 XML 代码(删除了不相关的约束/边距):

<android.support.design.widget.TextInputLayout
android:id="@+id/textInputLayout2"
style="@style/Widget.MaterialComponents.TextInputLayout.OutlineBox"
android:layout_width="match_parent"
android:layout_height="0dp"
app:counterEnabled="true"
app:counterMaxLength="300">

<android.support.design.widget.TextInputEditText
android:id="@+id/cheese_description"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="start"
android:hint="@string/cheese_description" />

</android.support.design.widget.TextInputLayout>

这是我的应用build.gradle:

    apply plugin: 'com.android.application'

android {
compileSdkVersion 27
defaultConfig {
applicationId "app.cheese.cheese.some.sample_cheese"
minSdkVersion 19
targetSdkVersion 27
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
buildToolsVersion '27.0.3'
}

dependencies {
implementation fileTree(include: ['*.jar'], dir: 'libs')
implementation 'com.android.support.constraint:constraint-layout:1.0.2'
compile 'com.google.firebase:firebase-auth:11.8.0'
testImplementation 'junit:junit:4.12'
androidTestImplementation 'com.android.support.test:runner:1.0.1'
androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
compile 'com.android.support:design:27.0.2'
compile 'com.google.firebase:firebase-core:11.8.0'
implementation 'com.android.support:appcompat-v7:27.0.2'
compile 'com.android.support:support-v4:27.0.2'
compile 'com.google.firebase:firebase-storage:11.8.0'
compile 'com.google.firebase:firebase-messaging:11.8.0'
compile 'com.firebaseui:firebase-ui-auth:3.1.3'
compile 'com.google.firebase:firebase-database:11.8.0'
implementation 'com.android.support:cardview-v7:27.0.2'
implementation 'com.android.support:recyclerview-v7:27.0.2'
implementation 'com.firebaseui:firebase-ui-database:3.2.1'
}

apply plugin: 'com.google.gms.google-services'

这是我的另一个build.gradle:

// Top-level build file where you can add configuration options common to all sub-projects/modules.

buildscript {

repositories {
google()
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:3.0.1'
classpath 'com.google.gms:google-services:3.1.1'


// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
}
}

allprojects {
repositories {
google()
jcenter()
maven {
url "https://maven.google.com"
}
}
}

task clean(type: Delete) {
delete rootProject.buildDir
}

我试过:

  • 将 buildToolsVersions 从“27.0.3”更改为“27.0.2”并同步
  • 使缓存无效/重新启动
  • 重建项目

我采用了导致错误的 XML 代码行 from the material.io components here .有谁知道我做错了什么?

谢谢你:)

最佳答案

Material Components尚未在 com.android.support:design 依赖项下发布新版本(或通过您可以包含在 build.gradle 文件中的任何其他官方依赖项)所以您在 27.0.2 中看到的内容不包含任何最近的更改 - 例如对 Widget.MaterialComponents.TextInputLayout.OutlineBox 的支持。

如果您想访问最新的更改,您必须将所需的 Material Components 库部分直接复制到您的项目中。

关于Android 无法解析 Material 组件,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/48603515/

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