首次安装Android Studio遇Gradle同步失败：找不到android()方法

Hey there, let's get this Gradle sync issue sorted out for your ICS (Android 4.0, API 15) project on Windows. That error pops up because there's a syntax mix-up in your Module: app build.gradle file—here's exactly what to do:

Why This Happens #

The error is telling you Gradle can't find an android() method to call. This almost always means one of two things:

• You used parentheses android(...) instead of curly braces android {} for your Android module configuration (Gradle expects a code block here, not a method call).
• You accidentally copied root-project level configuration (like buildscript sections) into your module's build.gradle file.

Step-by-Step Fixes #

1. Correct the Android Configuration Syntax #

Open your build.gradle(Module: app) file and fix the core syntax issue:

• Replace any lines starting with android() with the proper android {} block. For an ICS-targeted app, your config should look something like this:

  plugins {
      id 'com.android.application'
  }
  
  android {
      compileSdkVersion 15 // Match ICS's API level
      buildToolsVersion "30.0.3" // Use a build tools version compatible with API 15 (check your installed versions in SDK Manager)
  
      defaultConfig {
          applicationId "com.your.package.name"
          minSdkVersion 15
          targetSdkVersion 15
          versionCode 1
          versionName "1.0"
      }
  
      buildTypes {
          release {
              minifyEnabled false
              proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
          }
      }
  }
  
  dependencies {
      // Add your app dependencies here, e.g.,
      // implementation 'androidx.appcompat:appcompat:1.3.0'
  }
  

2. Separate Root vs. Module Gradle Configs #

Double-check that your root project's build.gradle and module's build.gradle have distinct roles:

• Root build.gradle should handle global repository and plugin setup (no android block here):

  buildscript {
      repositories {
          google()
          mavenCentral()
      }
      dependencies {
          classpath "com.android.tools.build:gradle:7.0.4" // Use a Gradle plugin version compatible with your Android Studio
      }
  }
  
  allprojects {
      repositories {
          google()
          mavenCentral()
      }
  }
  
  task clean(type: Delete) {
      delete rootProject.buildDir
  }
  

• Module build.gradle should only contain module-specific Android settings and dependencies (no buildscript section here).

3. Verify SDK Setup #

Since you're targeting ICS (API 15), open Android Studio's SDK Manager and make sure:

• The Android 4.0.3 (API 15) SDK platform is installed.
• A compatible Build Tools version (e.g., 30.0.3 or lower, since newer versions drop support for older APIs) is installed.

4. Sync Gradle #

Once you've made these changes, click the "Sync Now" button in the top-right corner of Android Studio to apply the fixes.

内容的提问来源于stack exchange，提问作者Sandeep Ranjan