相关疑难解决方法(0)

任何人都可以帮助为什么会出错？

一切都很好,突然间出现了这个错误.

我用Google搜索但无法得到任何东西!请帮忙

错误:(7,41)找不到与给定名称匹配的资源(在'dialogCornerRadius'中,值为'？android:attr/dialogCornerRadius').

apply plugin: 'com.android.application'

//Add these lines
def Base_URL = '"' + WEBServiceBaseURL + '"' ?: '"Define BASE URL"';
def SMS_Base_URL = '"' + WEBServiceBaseSMSURL + '"' ?: '"Define SMS BASE URL"';

android.buildTypes.each { type ->
    type.buildConfigField 'String', 'Base_URL', WEBServiceBaseURL
    type.buildConfigField 'String', 'SMS_Base_URL', WEBServiceBaseSMSURL
}

android {
    compileSdkVersion 26
    buildToolsVersion "26.0.1"
    defaultConfig {
        applicationId "com.bla.bla"
        minSdkVersion 19
        targetSdkVersion 26
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
        multiDexEnabled  true
    }
    buildTypes {
        release {
            minifyEnabled true
            shrinkResources true
            proguardFiles …

我刚刚开始学习和使用“Android Studio”软件并编辑项目。我们花了很长时间才弄清楚如何使用它。我刚刚修复了许多错误，现在我知道了很多关于错误的事情，但是一件事发生在我身上，这让我发疯了！我无法修复这个错误，也不知道出了什么问题。这是错误：

> Task :app:processReleaseResources FAILED
AGPBI: {"kind":"error","text":"Android resource linking failed","sources":[{"file":"C:\\Users\\****\\.gradle\\caches\\transforms-2\\files-2.1\\b635fd2d4b36b21da676271add72c19b\\material-1.4.0-alpha01\\res\\values\\values.xml"}],"original":"C:\\Users\\****\\.gradle\\caches\\transforms-2\\files-2.1\\b635fd2d4b36b21da676271add72c19b\\material-1.4.0-alpha01\\res\\values\\values.xml: AAPT: error: style attribute 'android:attr/contextPopupMenuStyle' not found.\n    ","tool":"AAPT"}
AGPBI: {"kind":"error","text":"Android resource linking failed","sources":[{"file":"C:\\Users\\****\\.gradle\\caches\\transforms-2\\files-2.1\\b635fd2d4b36b21da676271add72c19b\\material-1.4.0-alpha01\\res\\values\\values.xml"}],"original":"C:\\Users\\****\\.gradle\\caches\\transforms-2\\files-2.1\\b635fd2d4b36b21da676271add72c19b\\material-1.4.0-alpha01\\res\\values\\values.xml: AAPT: error: style attribute 'android:attr/contextPopupMenuStyle' not found.\n    ","tool":"AAPT"}
AGPBI: {"kind":"error","text":"Android resource linking failed","sources":[{"file":"C:\\Users\\****\\.gradle\\caches\\transforms-2\\files-2.1\\b635fd2d4b36b21da676271add72c19b\\material-1.4.0-alpha01\\res\\values\\values.xml"}],"original":"C:\\Users\\****\\.gradle\\caches\\transforms-2\\files-2.1\\b635fd2d4b36b21da676271add72c19b\\material-1.4.0-alpha01\\res\\values\\values.xml: AAPT: error: style attribute 'android:attr/contextPopupMenuStyle' not found.\n    ","tool":"AAPT"}
AGPBI: {"kind":"error","text":"Android resource linking failed","sources":[{"file":"C:\\Users\\****\\.gradle\\caches\\transforms-2\\files-2.1\\b635fd2d4b36b21da676271add72c19b\\material-1.4.0-alpha01\\res\\values\\values.xml"}],"original":"C:\\Users\\****\\.gradle\\caches\\transforms-2\\files-2.1\\b635fd2d4b36b21da676271add72c19b\\material-1.4.0-alpha01\\res\\values\\values.xml: AAPT: error: style attribute 'android:attr/contextPopupMenuStyle' not found.\n    ","tool":"AAPT"}
AGPBI: {"kind":"error","text":"Android resource linking failed","sources":[{"file":"C:\\Users\\****\\.gradle\\caches\\transforms-2\\files-2.1\\b635fd2d4b36b21da676271add72c19b\\material-1.4.0-alpha01\\res\\values\\values.xml"}],"original":"C:\\Users\\****\\.gradle\\caches\\transforms-2\\files-2.1\\b635fd2d4b36b21da676271add72c19b\\material-1.4.0-alpha01\\res\\values\\values.xml: AAPT: error: style attribute 'android:attr/dialogCornerRadius' not found.\n    ","tool":"AAPT"}
AGPBI: {"kind":"error","text":"Android resource linking failed","sources":[{"file":"C:\\Users\\****\\.gradle\\caches\\transforms-2\\files-2.1\\b635fd2d4b36b21da676271add72c19b\\material-1.4.0-alpha01\\res\\values\\values.xml"}],"original":"C:\\Users\\****\\.gradle\\caches\\transforms-2\\files-2.1\\b635fd2d4b36b21da676271add72c19b\\material-1.4.0-alpha01\\res\\values\\values.xml: AAPT: error: style attribute …