Flutter Release APK真机安装失败，提示包无效求助
2026-8-1
Flutter Release APK安装失败：提示"App is not installed as package appears to be invalid"
我通过图中所示方式打包Release APK，从build/flutter/Build apk路径获取的Release APK文件无法在任何真机安装，提示错误："App is not installed as package appears to be invalid"。该应用在debug模式下通过flutter run命令可正常运行，恳请协助解决此问题。
我已尝试以下解决方案：
- 卸载旧版本应用后重新安装
- 重启真机后尝试安装
- 重新生成Release APK文件后尝试安装
- 执行
flutter clean和flutter pub get命令 - 在5台以上真机尝试安装，均出现相同错误
内容的提问来源于stack exchange，提问作者Taki Rajani
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