Android Studio“无法解析：com.Android.support:support-core-utils:23.2.1”

Question

尝试添加时遇到此错误

compile "com.android.support:support-core-utils:23.2.1"

为我的移动应用程序建立.分级。下面是整个build.gradle（移动）应用插件：“com.android.application”

android {
    compileSdkVersion 23
    buildToolsVersion "21.1.2"
    defaultConfig {
        applicationId "com.xxxxxxx.sam.collegegrader"
        minSdkVersion 10
        targetSdkVersion 23
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}

dependencies {
    compile fileTree(dir: 'libs', include: ['*.jar'])
    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
        exclude group: 'com.android.support', module: 'support-annotations'
    })
    wearApp project(':wear')
    compile 'com.google.android.gms:play-services:9.8.0'
    compile 'com.android.support:appcompat-v7:23.4.0'
    compile 'com.android.support:design:23.4.0'
    testCompile 'junit:junit:4.12'
    compile 'com.android.support:support-core-utils:23.2.1'
}

这是我的第一个android应用程序，所以，我可能刚刚犯了一个初学者的错误。下面是我所采取的解决问题的步骤：

<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fitsSystemWindows="true"
    tools:context="com.xxxxxx.sam.collegegrader.ViewCollegeActivity">

    <android.support.design.widget.AppBarLayout
        android:id="@+id/app_bar_layout"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:theme="@style/ThemeOverlay.AppCompat.Dark.Actionbar"
        android:fitsSystemWindows="true" >
    </android.support.design.widget.AppBarLayout>

    <!--<TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_margin="@dimen/text_margin"
        android:text="@string/large_text" />-->


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

styles.xml

<resources>

    <!-- Base application theme. -->
    <style name="AppTheme" parent="Theme.AppCompat">
        <!-- Customize your theme here. -->
        <item name="colorPrimary">@color/colorPrimary</item>
        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
        <item name="colorAccent">@color/colorAccent</item>
    </style>

    <style name="AppTheme.NoActionBar">
        <item name="windowActionBar">false</item>
        <item name="windowNoTitle">true</item>
    </style>

    <style name="AppTheme.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar" />

    <style name="AppTheme.PopupOverlay" parent="ThemeOverlay.AppCompat.Light" />

</resources>

styles.xml(v21)

<resources>

    <style name="AppTheme.NoActionBar">
        <item name="windowActionBar">false</item>
        <item name="windowNoTitle">true</item>
        <item name="android:windowDrawsSystemBarBackgrounds">true</item>
        <item name="android:statusBarColor">@android:color/transparent</item>
    </style>
</resources>

Answer 1

出现此错误是因为support-core-utils库是V23.2.1中v4支持库的一部分。

随着V24.2.0的发布，v4支持库被拆分为几个较小的模块，其中之一是support-core-utils。有关拆分的更多信息，请查看以下链接:https://developer.android.com/topic/libraries/support-library/revisions.html#24-2-0-v4-refactor

因此，解决问题的方法是使用support-core-utils库的较新版本，如25.0.1。