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Scene Eclipse when you import a project, the item appears with a red exclamation mark. Open the class file, there will be countless "the type ... cannot be resolved." and other bizarre compilation errors."Analysis" the class library for project references is not found in the current eclipse environment."Resolve" to re-reference the class library, the JRE System Library will also make this error, re-reference.Take the JRE System library as an example:1

app出现红叉提示找不到Android SDKI. Direct and effective1. ?File -> Invalidate Caches -> Invalidate2. ?File -> Close Project.3. ?Remove the project from the AS project selector window.4. ?Quit from Android Studio5. ?Start AS and open project againIi. Fundamental AnalysisItem switch to: Project mode, in the app module found a file name: App.iml file, click Ctrl+f, Search Jdkname, if the dependency here is not the Android SDK related, it is pr

Error message:Reported description Resource Path location Type Java compiler level does not match the version of the installed Java project FAC ET. This problem occurs because the JDK build version of Eclipse/myeclipse is inconsistent with the problematic JDK compilation version of the project!Tools/Materials Eclipse/myeclipse Baidu Experience: jingyan.baidu.comMethod/Step 1Set up the JDK first, need to determine the project, Eclipse/myeclipse, the system is using the same

Failure phenomenon: Lenovo 7, 8 series notebook computer, after entering the system, a period of time will appear optical drive is not available, sometimes the CD-ROM icon has a red fork, and sometimes the optical drive icon disappears, there are two phenomena when the Device Manager does not have an optical drive. The optical drive can be found each time at post. Is it normal? Figure: Solution: This behavior is normal, is the notebook produ

Error message:Reported description Resource Path location Type Java compiler level does not match the version of the installed Java project FAC ET. This problem occurs because the JDK build version of Eclipse/myeclipse is inconsistent with the problematic JDK compilation version of the project!Tools/Materials Eclipse/myeclipse Baidu Experience: jingyan.baidu.comMethod/Step 1Set up the JDK first, need to determine the project, Eclipse/myeclipse, the system is using the same