在今天因為要適配android 8.0的桌面圖示,所以升級了android studio到3.0,升級後就遇到了很多問題,要你升級開發gradle等等,這都還好,突然報了Failed to resolve這個錯誤,真的要命,就是下載不了第三方的元件,然後一直找找找,最後在build.gardle裡面添加了

repositories { 
maven { 
url "http://repo1.maven.org/maven2" 
} 
}後面就可以了,真的不容易

//下面得全部得程式碼,這個是主gradle得,其他再moudle.gradle中註釋了compile 'com.android.support:design:26.+'

buildscript {
    repositories {
        jcenter()
        maven {
            url "http://repo1.maven.org/maven2"
        }
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:2.3.3'

        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

allprojects {
    repositories {
        jcenter()
        maven {
            url "http://repo1.maven.org/maven2"
        }
    }
}

task clean(type: Delete) {
    delete rootProject.buildDir
}