warning: [options] source value 7 is obsolete and will be removed in a future release
warning: [options] target value 7 is obsolete and will be removed in a future release
warning: [options] To suppress warnings about obsolete options, use -Xlint:-options.
error: warnings found and -Werror specified
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':connectivity:compileDebugJavaWithJavac'.
> Compilation failed; see the compiler error output for details.
将其添加到app/build.gradle文件中android {部分下
lintOptions {
disable 'InvalidPackage'
warning("all")
checkReleaseBuilds false
}
此代码将为您停止该问题，并将停止获得类似错误消息的警告。
这个错误消息意味着，您的java代码有警告。并且由于-Werror标志，它变为错误。
警告说，您的java目标版本太旧了。
因此，您可以升级该版本。或者，移除-Werror。