Could not find com.android.tools.build:aapt2:3.3.1-5013011.

Could not find com.android.tools.build:aapt2:3.3.1-5013011.

Could not find com.android.tools.build:aapt2:3.3.1-5013011.
Searched in the following locations:
  - file:/E:/Android/sdk/extras/m2repository/com/android/tools/build/aapt2/3.3.1-5013011/aapt2-3.3.1-5013011.pom
  - file:/E:/Android/sdk/extras/m2repository/com/android/tools/build/aapt2/3.3.1-5013011/aapt2-3.3.1-5013011-windows.jar
  - file:/E:/Android/sdk/extras/google/m2repository/com/android/tools/build/aapt2/3.3.1-5013011/aapt2-3.3.1-5013011.pom
  - file:/E:/Android/sdk/extras/google/m2repository/com/android/tools/build/aapt2/3.3.1-5013011/aapt2-3.3.1-5013011-windows.jar
  - file:/E:/Android/sdk/extras/android/m2repository/com/android/tools/build/aapt2/3.3.1-5013011/aapt2-3.3.1-5013011.pom
  - file:/E:/Android/sdk/extras/android/m2repository/com/android/tools/build/aapt2/3.3.1-5013011/aapt2-3.3.1-5013011-windows.jar
  - https://jcenter.bintray.com/com/android/tools/build/aapt2/3.3.1-5013011/aapt2-3.3.1-5013011.pom
  - https://jcenter.bintray.com/com/android/tools/build/aapt2/3.3.1-5013011/aapt2-3.3.1-5013011-windows.jar
Required by:
    project :app

原因是AS版本升3.0後會報這個錯

在你的bulid.gradle文件裏面添加google()這句話

加入位置：Android大括號內

apply plugin: 'com.android.application'

android {
    compileSdkVersion 25
    defaultConfig {
        applicationId "com.will.bluetoothprinterdemo"
        minSdkVersion 16
        targetSdkVersion 25
        versionCode 1
        versionName "1.0"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
    allprojects {
        repositories {
            jcenter()
            google()//新增這一行
        }
    }
}

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation 'com.android.support:appcompat-v7:25.3.1'
    implementation 'com.github.promeg:tinypinyin:1.0.0'
    testImplementation 'junit:junit:4.12'
}