1. pubspec.yqml version: 1.1.1+3 2. local.properties flutter.versionName=1.1.1 flutter.versionCode=3 Issue like this: 這個 APK 已由擁有更高版本代碼的一或多個 APK 完全覆蓋，因此不會提供給任何使用者。從您的版本移除這個 APK，或查看版本中所有 APK 的指定目標和版本代碼。 Remove just create version in play store console. Create new version again. Maybe success.
https://medium.com/flutterpub/flutter-andorid-keystore-path-on-different-os-d0fc30a24d4f https://blog.csdn.net/joye123/article/details/94588949 signingConfig signingConfigs.release Important is signingConfig signingConfigs.debug -> signingConfig signingConfigs.release signingConfigs { release { keyAlias keystoreProperties['keyAlias'] keyPassword keystoreProperties['keyPassword'] storeFile keystoreProperties['storeFile'] ? file(keystoreProperties['storeFile']) : null storePassword keystoreProperties['storePassword'] } } buildTypes { release { // TODO: Add your own signing config for the release build. // Signing with the debug keys for now, so `flutter run --release` works. signingConfig signingConfigs.release minifyEnabled true useProguard true } } }
https://stackoverflow.com/questions/51534616/how-to-change-package-name-in-flutter https://medium.com/@skyblazar.cc/how-to-change-the-package-name-of-your-flutter-app-4529e6e6e6fc EDITED : 27-Dec-18 for package name just change in build build.gradle only defaultConfig { applicationId "your.package.name" minSdkVersion 16 targetSdkVersion 27 versionCode 1 versionName "1.0" testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner" } flutter create --org com.yourdomain appname
https://codertw.com/%E7%A8%8B%E5%BC%8F%E8%AA%9E%E8%A8%80/644148/ 拆分widget 永遠不要使用方法返回的形式創建可重用的widget，始終將它們封裝到StatelessWidget中。 注意這個結論中的可重用。
https://zhuanlan.zhihu.com/p/70280813