以下是我的 build.gradle 檔案

因為小弟我第一次嘗試寫 android 所以看教學！ 東補西補

最近在看 依賴的

app中沒有FB 登入的功能，想要刪除compile 'com.facebook.android:facebook-android-sdk:4.31.0' 但會出錯

還有 我的app中ImageView有些會變成 leakcanary 的 LOGO 想請教為什麼會這樣！？

dependencies {
    compile 'com.google.code.gson:gson:2.8.2'
    debugCompile 'com.amitshekhar.android:debug-db:1.0.2'
    compile fileTree(include: ['*.jar'], dir: 'libs')
    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
        exclude group: 'com.android.support', module: 'support-annotations'
    })

    compile 'com.android.support.constraint:constraint-layout:1.0.2'
    testCompile 'junit:junit:4.12'
    compile 'com.squareup.retrofit2:retrofit:2.3.0'
    compile 'com.squareup.retrofit2:converter-moshi:2.3.0'
    compile 'com.jakewharton:butterknife:8.6.0'
    annotationProcessor 'com.jakewharton:butterknife-compiler:8.6.0'
    compile 'com.basgeekball:awesome-validation:2.0'
    compile 'com.facebook.stetho:stetho:1.5.0'
    compile 'com.facebook.stetho:stetho-okhttp3:1.5.0'
    compile 'com.facebook.android:facebook-android-sdk:4.31.0'
    debugCompile 'com.squareup.leakcanary:leakcanary-android:1.5.1'
    releaseCompile 'com.squareup.leakcanary:leakcanary-android-no-op:1.5.1'
    testCompile 'com.squareup.leakcanary:leakcanary-android-no-op:1.5.1'
    //LeakCanary 檢測記憶體洩漏的工具
    compile "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"

    compile 'com.android.support:appcompat-v7:27.0.2'
    compile 'com.android.support:design:27.1.0'
    compile 'com.android.support:support-vector-drawable:27.1.0'
    compile 'com.android.support:cardview-v7:27.1.0'
    implementation 'com.android.support:recyclerview-v7:27.1.0'
}

apply plugin: 'kotlin-android'
apply plugin: 'kotlin-android-extensions'