程序类型已存在：android.util.FloatProperty

Question

1. 这是普通文字。
2. 这是，但现在遵循代码块：

略过一行并缩进八个空格。这是列表的四个空格，四个是触发代码块。

apply plugin: 'com.android.application'

apply plugin: 'kotlin-android'

apply plugin: 'kotlin-android-extensions'

android {
    compileSdkVersion 27
    defaultConfig {
        applicationId "com.wasalnyshokra"
        minSdkVersion 16
        targetSdkVersion 27
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
        vectorDrawables.useSupportLibrary = true
        multiDexEnabled true //important
        javaCompileOptions {
            annotationProcessorOptions {
                includeCompileClasspath false
            }
        }
    }
    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
    dexOptions { jumboMode true }

}

dependencies {
    implementation project(':library')
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation"org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
    //noinspection GradleCompatible
    implementation 'com.android.support:appcompat-v7:27.0.2'
    implementation 'com.android.support:design:27.1.0'
    implementation 'com.android.support:support-annotations:27.1.1'

    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'com.android.support.test:runner:1.0.2'
    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'

    implementation 'com.github.Q42:AndroidScrollingImageView:1.2'
    implementation 'com.jakewharton:butterknife:8.5.1'
    annotationProcessor 'com.jakewharton:butterknife-compiler:8.5.1'
    implementation 'com.andkulikov:transitionseverywhere:1.7.4'
    implementation 'com.github.bumptech.glide:glide:3.7.0'
    implementation 'com.android.support:recyclerview-v7:27.1.1'
    implementation 'net.yslibrary.keyboardvisibilityevent:keyboardvisibilityevent:2.1.0'
    implementation 'com.android.support.constraint:constraint-layout:1.1.0'


    implementation 'com.google.firebase:firebase-core:16.0.0'
    implementation 'com.google.firebase:firebase-database:16.0.1'
    implementation 'com.google.firebase:firebase-auth:16.0.1'

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