Android 未找到附加的属性fab

Android 未找到附加的属性fab,android,material-design,Android,Material Design,使用材质组件时无法运行项目 dependencies { implementation fileTree(dir: 'libs', include: ['*.jar']) implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version" implementation 'android.arch.lifecycle:extensions:1.1.1' implementation 'c

使用材质组件时无法运行项目

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
    implementation 'android.arch.lifecycle:extensions:1.1.1'

    implementation 'com.facebook.fresco:fresco:1.11.0'
    implementation 'com.theartofdev.edmodo:android-image-cropper:2.7.+'
    implementation  'com.fxn769:pix:1.2.5'




    implementation 'com.android.support:appcompat-v7:28.0.0'
    implementation 'com.android.support:design:28.0.0'
    implementation 'com.android.support:cardview-v7:28.0.0'
    implementation 'com.android.support:recyclerview-v7:28.0.0'
    implementation 'com.android.support.constraint:constraint-layout:1.1.3'
    implementation 'com.android.support:support-v4:28.0.0'

}
错误日志:

Android资源链接输出失败:D:\Android Projects\Ghar3\app\src\main\res\layout\main\u layout.xml:23:错误: 未找到fabAttached属性(又名com.reseaction.ghar:fabAttached)。 错误:链接文件资源失败

命令:C:\Users\Abdul Qadir.gradle\caches\transforms-1\files-1.1\aapt2-3.2.1-4818971-windows.jar\93d85fd8448aa5b91b30eb47e2faac6a\aapt2-3.2.1-4818971-windows\aapt2.exe 链接-I\ D:\sdk\Android\sdk\platforms\Android-28\Android.jar\ --显示\ D:\Android项目\Ghar3\app\build\intermediates\merged\u清单\debug\processDebugManifest\merged\AndroidManifest.xml\ -o\ D:\Android项目\Ghar3\app\build\mediates\processed\u res\debug\processDebugResources\out\resources-debug.ap_\ -R\ @D:\Android Projects\Ghar3\app\build\intermediates\incremental\processDebugResources\resources-debug.ap\uux.txt的资源列表\ --自动添加覆盖\ --爪哇\ D:\Android Projects\Ghar3\app\build\generated\not_namespaced\u r_class\u sources\debug\processDebugResources\r\n\ --定制包\ com.reseaction.ghar\ -0\ apk\ --输出文本符号\ D:\Android项目\Ghar3\app\build\intermediates\symbols\debug\R.txt\ --无版本向量守护程序:AAPT2 AAPT2-3.2.1-4818971-windows守护程序#0


看起来该属性已在androidx中删除。要附加操作栏,只需将属性app:layout_锚添加到晶圆厂

<com.google.android.material.floatingactionbutton.FloatingActionButton
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_margin="16dp"
        app:fabSize="normal"
        android:src="@drawable/ic_add_white_24dp"
        app:layout_anchor="@id/bottom_app_bar"/>