Flutter 我的应用在某些设备上从 Play 商店下载后卡在白屏

Question

我为 android 发布了一个应用程序。我想进行一些更新，更新后，它开始冻结在白屏中。 当我调试时，它在从商店下载后冻结的同一设备中完美运行。 在模拟器中，我从商店下载了该应用程序并且它可以运行。 可能是什么问题导致的？

我使用命令flutter build appbundle --obfuscate --split-debug-info=somepath

build.gradle：

buildscript {
    repositories {
        google()
        jcenter()
    }

    dependencies {
        classpath 'com.android.tools.build:gradle:3.5.0'
        classpath 'com.google.gms:google-services:4.3.5'
    }
}

allprojects {
    repositories {
        google()
        jcenter()
    }
}

rootProject.buildDir = '../build'
subprojects {
    project.buildDir = "${rootProject.buildDir}/${project.name}"
}
subprojects {
    project.evaluationDependsOn(':app')
}

task clean(type: Delete) {
    delete rootProject.buildDir
}

pubspec.yaml：

environment:
  sdk: ">=2.10.0 <3.0.0"

dependencies:
  flutter:
    sdk: flutter
  http: ^0.13.1
  url_launcher: ^6.0.2
  flutter_secure_storage: ^3.3.5
  shared_preferences: ^2.0.5
  provider: ^5.0.0
  toast: ^0.1.5
  onesignal_flutter: ^2.6.2
  fl_chart: ^0.20.1
  intl: ^0.17.0
  device_info: ^2.0.0
  synchronized: ^3.0.0
  firebase_core: ^1.0.3
  firebase_performance: ^0.6.0+2
  flutter_localizations:
    sdk: flutter
  workmanager: ^0.4.0
  get_it: ^7.1.3
  image_picker: ^0.8.0+3


  

  # The following adds the Cupertino Icons font to your application.
  # Use with the CupertinoIcons class for iOS style icons.
  cupertino_icons: ^1.0.2
  google_fonts: ^2.0.0



dev_dependencies:
  flutter_test:
    sdk: flutter


# For information on the generic Dart part of this file, see the
# following page: https://dart.dev/tools/pub/pubspec

# The following section is specific to Flutter.
flutter:
  generate: true
  # The following line ensures that the Material Icons font is
  # included with your application, so that you can use the icons in
  # the material Icons class.
  uses-material-design: true

  # To add assets to your application, add an assets section, like this:
  assets:
    - assets/
  #  - images/a_dot_ham.jpeg
  fonts:
    - family: Roboto
      fonts:
        - asset: fonts/Roboto-Medium.ttf
        - asset: fonts/Roboto-Regular.ttf
  # An image asset can refer to one or more resolution-specific "variants", see
  # https://flutter.dev/assets-and-images/#resolution-aware.

  # For details regarding adding assets from package dependencies, see
  # https://flutter.dev/assets-and-images/#from-packages

  # To add custom fonts to your application, add a fonts section here,
  # in this "flutter" section. Each entry in this list should have a
  # "family" key with the font family name, and a "fonts" key with a
  # list giving the asset and other descriptors for the font. For
  # example:
  # fonts:
  #   - family: Schyler
  #     fonts:
  #       - asset: fonts/Schyler-Regular.ttf
  #       - asset: fonts/Schyler-Italic.ttf
  #         style: italic
  #   - family: Trajan Pro
  #     fonts:
  #       - asset: fonts/TrajanPro.ttf
  #       - asset: fonts/TrajanPro_Bold.ttf
  #         weight: 700
  #
  # For details regarding fonts from package dependencies,
  # see https://flutter.dev/custom-fonts/#from-packages

我试图让我的 gradle 版本 3.5.1 我也试图删除我添加的包但是从商店下载时它仍然冻结。

编辑：当应用程序启动时，我在 logcat 中看到该错误：

[ERROR:flutter/lib/ui/ui_dart_state.cc(186)] Unhandled Exception: PlatformException(Exception encountered, read, javax.crypto.BadPaddingException: error:1e000065:Cipher functions:OPENSSL_internal:BAD_DECRYPT
        at com.android.org.conscrypt.NativeCrypto.EVP_CipherFinal_ex(Native Method)
        at com.android.org.conscrypt.OpenSSLCipher$EVP_CIPHER.doFinalInternal(OpenSSLCipher.java:602)
        at com.android.org.conscrypt.OpenSSLCipher.engineDoFinal(OpenSSLCipher.java:365)
        at javax.crypto.Cipher.doFinal(Cipher.java:2055)
        at c.b.a.b.b.b(Unknown Source:32)
        at c.b.a.a.b(Unknown Source:11)
        at c.b.a.a.d(Unknown Source:7)
        at c.b.a.a.a(Unknown Source:0)
        at c.b.a.a$b.run(Unknown Source:134)
        at android.os.Handler.handleCallback(Handler.java:883)
        at android.os.Handler.dispatchMessage(Handler.java:100)
        at android.os.Looper.loop(Looper.java:237)
        at android.os.HandlerThread.run(HandlerThread.java:67)
    , null)

编辑 2：当我查找时，这可能是由于flutter_secure_storage package 引起的。我正在我的 main 中执行.read ，正如我所见，许多人都遇到了这个问题。 我现在做的是，只要找到可用的版本，我就会尝试更改flutter_secure_storage版本。

Answer 1

您需要在AndroidManifest.xml中允许 HTTP traffic.network 访问权限。

检查这个答案。

Answer 2

导致此错误的最常见原因是设备的 android API 版本。

解决此问题的步骤：

• 将targetSdkVersion和compileSdkVersion都升级到最新版本（答案贴30是最新版本）。

• 使用终端显示错误的设备以发布模式运行应用程序

flutter 运行——发布

.

• 可以使用 firebase Crashlytics 。 跟踪这样的问题/错误。