發(fā)生于編譯時(shí)：錯(cuò)誤: 程序包androidx.lifecycle不存在

先貼一段報(bào)錯(cuò)log，讓你更加準(zhǔn)確的匹配問題所在，對(duì)癥下藥，藥，切克鬧。

D:\study\flutter\flutter\.pub-cache\hosted\pub.flutter-io.cn\flutter_plugin_android_lifecycle-1.0.8\android\src\main\java\io\flutter\embedding\engine\plugins\lifecycle\FlutterLifecycleAdapter.java:8: 錯(cuò)誤: 程序包androidx.lifecycle不存在
import androidx.lifecycle.Lifecycle;
                         ^
D:\study\flutter\flutter\.pub-cache\hosted\pub.flutter-io.cn\flutter_plugin_android_lifecycle-1.0.8\android\src\main\java\io\flutter\embedding\engine\plugins\lifecycle\FlutterLifecycleAdapter.java:22: 錯(cuò)誤: 找不到符
號(hào)
  public static Lifecycle getActivityLifecycle(
  符號(hào):   類 Lifecycle
  位置: 類 FlutterLifecycleAdapter
2 個(gè)錯(cuò)誤

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':compileReleaseJavaWithJavac'.
> Compilation failed; see the compiler error output for details.

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

* Get more help at https://help.gradle.org

BUILD FAILED in 1s

Exception: The plugin flutter_plugin_android_lifecycle could not be built due to the issue above.

既然問題已經(jīng)匹配上了，那就說下我下面的解決實(shí)踐吧。
上面的問題其實(shí)就是Androidx引用庫兼容問題，當(dāng)某些插件升級(jí)到一定版本時(shí)就會(huì)出現(xiàn)這個(gè)問題。

首先升級(jí)下sdk

實(shí)際上到這里就已經(jīng)解決了，但是可能有些包被墻了，下載不了，導(dǎo)致還是沒解決，則需要使用阿里云的代理了

到這里應(yīng)該是完全解決了，但是不排除個(gè)別釘子戶，根據(jù)github issure給出的解決方案就是需要升級(jí)一下
gradle的版本了

方便復(fù)制：

maven{ url 'https://maven.aliyun.com/repository/google'}
maven{ url 'https://maven.aliyun.com/repository/gradle-plugin'}
maven{ url 'https://maven.aliyun.com/repository/public'}
maven{ url 'https://maven.aliyun.com/repository/jcenter'}

distributionUrl = https://services.gradle.org/distributions/gradle-4.10.2-all.zip # 手動(dòng)更新Gradle版本

以上就是我實(shí)踐出來的解決方法，如果能幫到你，那真的是太好了。

總結(jié)

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