flutter常见问题

Finished with error: ProcessException: Process "F:\flutter\example\first_flutter_app\android\gradlew.bat" exited abnormally:
Exception in thread "main" java.lang.NullPointerException
	at org.gradle.wrapper.BootstrapMainStarter.findLauncherJar(BootstrapMainStarter.java:34)
	at org.gradle.wrapper.BootstrapMainStarter.start(BootstrapMainStarter.java:25)
	at org.gradle.wrapper.WrapperExecutor.execute(WrapperExecutor.java:129)
	at org.gradle.wrapper.GradleWrapperMain.main(GradleWrapperMain.java:61)
  Command: F:\flutter\example\first_flutter_app\android\gradlew.bat -v

解决办法:https\://services.gradle.org/distributions/gradle-4.10.2-all.zip 改成 https\://services.gradle.org/distributions/gradle-4.6-all.zip即可。

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