界面显示是这样的
官网是这样的
执行了run ,模拟器也打开了,但是模拟器上没有界面显示呢
下面的报错原因是不是我没装JDK的原因呢?
报错:
Launching lib\\main.dart on sdk gphone x86 arm in debug mode...
Exception in thread "main" java.lang.RuntimeException: Timeout of 120000 reached waiting for exclusive access to file: C:\\Users\\33795\\.gradle\\wrapper\\dists\\gradle-5.6.2-all\\9st6wgf78h16so49nn74lgtbb\\gradle-5.6.2-all.zip
at org.gradle.wrapper.ExclusiveFileAccessManager.access(ExclusiveFileAccessManager.java:61) at org.gradle.wrapper.Install.createDist(Install.java:48) at org.gradle.wrapper.WrapperExecutor.execute(WrapperExecutor.java:128) at org.gradle.wrapper.GradleWrapperMain.main(GradleWrapperMain.java:61)
\[!\] Gradle threw an error while downloading artifacts from the network. Retrying to download...
Exception in thread "main" java.lang.RuntimeException: Timeout of 120000 reached waiting for exclusive access to file: C:\\Users\\33795\\.gradle\\wrapper\\dists\\gradle-5.6.2-all\\9st6wgf78h16so49nn74lgtbb\\gradle-5.6.2-all.zip
at org.gradle.wrapper.ExclusiveFileAccessManager.access(ExclusiveFileAccessManager.java:61) at org.gradle.wrapper.Install.createDist(Install.java:48) at org.gradle.wrapper.WrapperExecutor.execute(WrapperExecutor.java:128) at org.gradle.wrapper.GradleWrapperMain.main(GradleWrapperMain.java:61)
有没有大哥?????????????????????????