初始化项目

android/app/build.gradle

@@ -5,40 +5,103 @@ plugins {
     id "dev.flutter.flutter-gradle-plugin"
 }
 
-android {
-    namespace = "com.example.vbvs_app"
-    compileSdk = flutter.compileSdkVersion
-    ndkVersion = flutter.ndkVersion
+def localProperties = new Properties()
+def localPropertiesFile = rootProject.file("local.properties")
+if (localPropertiesFile.exists()) {
+    localPropertiesFile.withReader("UTF-8") { reader ->
+        localProperties.load(reader)
+    }
+}
 
+def keystoreProperties = new Properties()
+def keystorePropertiesFile = rootProject.file("key.properties")
+if (keystorePropertiesFile.exists()) {
+    keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
+}
+
+def versionProperties = new Properties()
+def versionPropertiesFile = rootProject.file("version.properties")
+if (versionPropertiesFile.exists()) {
+    versionProperties.load(new FileInputStream(versionPropertiesFile))
+}
+
+def flutterVersionCode = versionProperties.getProperty("flutter.android.versionCode")
+if (flutterVersionCode == null) {
+    flutterVersionCode = "5"
+}
+
+def flutterVersionName = versionProperties.getProperty("flutter.android.versionName")
+if (flutterVersionName == null) {
+    flutterVersionName = "1.0.4"
+}
+
+android {
+    namespace = "com.taihe.vbvs_app"
+//    compileSdk = flutter.compileSdkVersion
+    compileSdk = localProperties.getProperty('flutter.compileSdkVersion').toInteger()
+//    ndkVersion = flutter.ndkVersion
+     ndkVersion = localProperties.getProperty('flutter.ndkVersion')
+
+    // 编译的jvm版本
     compileOptions {
         sourceCompatibility = JavaVersion.VERSION_1_8
         targetCompatibility = JavaVersion.VERSION_1_8
     }
 
+    // 指定Kotilin的jvm版本
     kotlinOptions {
-        jvmTarget = JavaVersion.VERSION_1_8
+        jvmTarget = JavaVersion.VERSION_1_8.toString()
     }
 
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
-        applicationId = "com.example.vbvs_app"
+        applicationId "com.taihe.vbvs_app"
         // You can update the following values to match your application needs.
-        // For more information, see: https://flutter.dev/to/review-gradle-config.
-        minSdk = flutter.minSdkVersion
-        targetSdk = flutter.targetSdkVersion
-        versionCode = flutter.versionCode
-        versionName = flutter.versionName
+        // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-gradle-build-configuration.
+//        minSdk = flutter.minSdkVersion
+//        targetSdk = flutter.targetSdkVersion
+        minSdk = localProperties.getProperty('flutter.minSdkVersion').toInteger()
+        targetSdk = localProperties.getProperty('flutter.targetSdkVersion').toInteger()
+        versionCode = flutterVersionCode.toInteger()
+        versionName = flutterVersionName
+    }
+
+    signingConfigs {
+        release {
+            keyAlias keystoreProperties['keyAlias']
+            keyPassword keystoreProperties['keyPassword']
+            storeFile keystoreProperties['storeFile'] ? file(keystoreProperties['storeFile']) : null
+            storePassword keystoreProperties['storePassword']
+        }
     }
 
     buildTypes {
         release {
+            debuggable false
+            minifyEnabled true//是否启动混淆 ture:打开   false:关闭
+            shrinkResources true  //删除无用资源(压缩)
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
             // TODO: Add your own signing config for the release build.
             // Signing with the debug keys for now, so `flutter run --release` works.
-            signingConfig = signingConfigs.debug
+//            signingConfig = signingConfigs.debug
+            signingConfig signingConfigs.release
+            android.applicationVariants.all { variant ->
+                variant.outputs.all {
+                    outputFileName = "ZHMHT_v${variant.versionName}-${releaseTime()}.apk"
+                }
+            }
+        }
+        debug {
+            debuggable true
+            signingConfig signingConfigs.release
         }
     }
 }
 
+static def releaseTime() {
+    return new Date().format("yyyyMMdd", TimeZone.getTimeZone("UTC"))
+}
+
 flutter {
     source = "../.."
 }